diff --git a/.travis.yml b/.travis.yml
index 352800c4..3faf431f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,4 @@
+sudo: required
 language: node_js
 node_js:
   - '6'
@@ -26,6 +27,10 @@ addons:
     packages:
       - g++-4.8
       - xvfb # for tape-run
+before_install:
+  - sudo apt-get update
+  - sudo apt-get install xserver-xorg-dev libxext-dev libxi-dev
+  - sudo apt-get install -y build-essential libxi-dev libglu1-mesa-dev libglew-dev pkg-config libglu1-mesa-dev freeglut3-dev mesa-common-dev
 install:
   - export DISPLAY=':99.0' # for tape-run
   - Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 & # for tape-run
diff --git a/package-lock.json b/package-lock.json
index 11d68989..474827ce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,205 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
+      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/core": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.4.3.tgz",
+      "integrity": "sha512-oDpASqKFlbspQfzAE7yaeTmdljSH2ADIvBlb0RwbStltTuWa0+7CCI1fYVINNv9saHPa1W7oaKeuNuKj+RQCvA==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.4.0",
+        "@babel/helpers": "^7.4.3",
+        "@babel/parser": "^7.4.3",
+        "@babel/template": "^7.4.0",
+        "@babel/traverse": "^7.4.3",
+        "@babel/types": "^7.4.0",
+        "convert-source-map": "^1.1.0",
+        "debug": "^4.1.0",
+        "json5": "^2.1.0",
+        "lodash": "^4.17.11",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/generator": {
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.4.0.tgz",
+      "integrity": "sha512-/v5I+a1jhGSKLgZDcmAUZ4K/VePi43eRkUs3yePW1HB1iANOD5tqJXwGSG4BZhSksP8J9ejSlwGeTiiOFZOrXQ==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.4.0",
+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.11",
+        "source-map": "^0.5.0",
+        "trim-right": "^1.0.1"
+      }
+    },
+    "@babel/helper-function-name": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz",
+      "integrity": "sha512-A95XEoCpb3TO+KZzJ4S/5uW5fNe26DjBGqf1o9ucyLyCmi1dXq/B3c8iaWTfBk3VvetUxl16e8tIrd5teOCfGw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-get-function-arity": "^7.0.0",
+        "@babel/template": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz",
+      "integrity": "sha512-r2DbJeg4svYvt3HOS74U4eWKsUAMRH01Z1ds1zx8KNTPtpTL5JAsdFv8BNyOpVqdFhHkkRDIg5B4AsxmkjAlmQ==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-plugin-utils": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0.tgz",
+      "integrity": "sha512-CYAOUCARwExnEixLdB6sDm2dIJ/YgEAKDM1MOeMeZu9Ld/bDgVo8aiWrXwcY7OBh+1Ea2uUcVRcxKk0GJvW7QA==",
+      "dev": true
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.0.tgz",
+      "integrity": "sha512-7Cuc6JZiYShaZnybDmfwhY4UYHzI6rlqhWjaIqbsJGsIqPimEYy5uh3akSRLMg65LSdSEnJ8a8/bWQN6u2oMGw==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.4.0"
+      }
+    },
+    "@babel/helpers": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.4.3.tgz",
+      "integrity": "sha512-BMh7X0oZqb36CfyhvtbSmcWc3GXocfxv3yNsAEuM0l+fAqSO22rQrUpijr3oE/10jCTrB6/0b9kzmG4VetCj8Q==",
+      "dev": true,
+      "requires": {
+        "@babel/template": "^7.4.0",
+        "@babel/traverse": "^7.4.3",
+        "@babel/types": "^7.4.0"
+      }
+    },
+    "@babel/highlight": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
+      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^4.0.0"
+      }
+    },
+    "@babel/parser": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.4.3.tgz",
+      "integrity": "sha512-gxpEUhTS1sGA63EGQGuA+WESPR/6tz6ng7tSHFCmaTJK/cGK8y37cBTspX+U2xCAue2IQVvF6Z0oigmjwD8YGQ==",
+      "dev": true
+    },
+    "@babel/plugin-proposal-object-rest-spread": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.4.3.tgz",
+      "integrity": "sha512-xC//6DNSSHVjq8O2ge0dyYlhshsH4T7XdCVoxbi5HzLYWfsC5ooFlJjrXk8RcAT+hjHAK9UjBXdylzSoDK3t4g==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0",
+        "@babel/plugin-syntax-object-rest-spread": "^7.2.0"
+      }
+    },
+    "@babel/plugin-syntax-object-rest-spread": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.2.0.tgz",
+      "integrity": "sha512-t0JKGgqk2We+9may3t0xDdmneaXmyxq0xieYcKHxIsrJO64n1OiMWNUtc5gQK1PA0NpdCRrtZp4z+IUaKugrSA==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0"
+      }
+    },
+    "@babel/template": {
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.4.0.tgz",
+      "integrity": "sha512-SOWwxxClTTh5NdbbYZ0BmaBVzxzTh2tO/TeLTbF6MO6EzVhHTnff8CdBXx3mEtazFBoysmEM6GU/wF+SuSx4Fw==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/parser": "^7.4.0",
+        "@babel/types": "^7.4.0"
+      }
+    },
+    "@babel/traverse": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.4.3.tgz",
+      "integrity": "sha512-HmA01qrtaCwwJWpSKpA948cBvU5BrmviAief/b3AVw936DtcdsTexlbyzNuDnthwhOQ37xshn7hvQaEQk7ISYQ==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.4.0",
+        "@babel/helper-function-name": "^7.1.0",
+        "@babel/helper-split-export-declaration": "^7.4.0",
+        "@babel/parser": "^7.4.3",
+        "@babel/types": "^7.4.0",
+        "debug": "^4.1.0",
+        "globals": "^11.1.0",
+        "lodash": "^4.17.11"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "dev": true
+        }
+      }
+    },
+    "@babel/types": {
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.4.0.tgz",
+      "integrity": "sha512-aPvkXyU2SPOnztlgo8n9cEiXW755mgyvueUPcpStqdzoSPm0fjO0vQBjLkt3JKJW7ufikfcnMTTPsN1xaTsBPA==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2",
+        "lodash": "^4.17.11",
+        "to-fast-properties": "^2.0.0"
+      }
+    },
     "@juliangruber/tap-finished": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/@juliangruber/tap-finished/-/tap-finished-0.0.2.tgz",
@@ -111,7 +310,6 @@
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/ajax-request/-/ajax-request-1.2.3.tgz",
       "integrity": "sha1-mfy+wdbSeS+F+pSVNTMr0U9fN5A=",
-      "dev": true,
       "requires": {
         "file-system": "^2.1.1",
         "utils-extend": "^1.0.7"
@@ -128,16 +326,6 @@
         "json-schema-traverse": "^0.3.0"
       }
     },
-    "align-text": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
-      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
-      "requires": {
-        "kind-of": "^3.0.2",
-        "longest": "^1.0.1",
-        "repeat-string": "^1.5.2"
-      }
-    },
     "amdefine": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
@@ -201,6 +389,20 @@
         }
       }
     },
+    "aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+    },
+    "are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -395,6 +597,12 @@
         "is-buffer": "^1.1.5"
       }
     },
+    "babelify": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/babelify/-/babelify-10.0.0.tgz",
+      "integrity": "sha512-X40FaxyH7t3X+JFAKvb1H9wooWKLRCi8pg3m8poqtdZaIng+bjzp9RvKQCvRjF9isHiPkXspbbXT/zwXLtwgwg==",
+      "dev": true
+    },
     "backo2": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz",
@@ -477,7 +685,6 @@
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/base64-img/-/base64-img-1.0.4.tgz",
       "integrity": "sha1-PiLVXWx0okVT2EDSsbwSp9sHjTU=",
-      "dev": true,
       "requires": {
         "ajax-request": "^1.2.0",
         "file-system": "^2.1.0"
@@ -523,17 +730,42 @@
       "integrity": "sha512-DYWGk01lDcxeS/K9IHPGWfT8PsJmbXRtRd2Sx72Tnb8pcYZQFF1oSDb8hJtS1vhp212q1Rzi5dUf9+nq0o9UIg==",
       "dev": true
     },
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
     "bit-twiddle": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bit-twiddle/-/bit-twiddle-1.0.2.tgz",
       "integrity": "sha1-DGwfq+KyPRcXPZpht7cJPrnhdp4="
     },
+    "bl": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
+      "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
+      "requires": {
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
+      }
+    },
     "blob": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.4.tgz",
-      "integrity": "sha1-vPEwUspURj8w+fx+lbmkdjCpSSE=",
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
+      "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig==",
       "dev": true
     },
+    "block-stream": {
+      "version": "0.0.9",
+      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
+      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
+      "requires": {
+        "inherits": "~2.0.0"
+      }
+    },
     "bluebird": {
       "version": "3.5.3",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
@@ -639,7 +871,7 @@
       "dependencies": {
         "minimist": {
           "version": "0.0.5",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.5.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.5.tgz",
           "integrity": "sha1-16oye87PUY+RBqxrjwA/o7zqhWY=",
           "dev": true
         },
@@ -709,13 +941,13 @@
       }
     },
     "browser-sync": {
-      "version": "2.26.3",
-      "resolved": "https://registry.npmjs.org/browser-sync/-/browser-sync-2.26.3.tgz",
-      "integrity": "sha512-VLzpjCA4uXqfzkwqWtMM6hvPm2PNHp2RcmzBXcbi6C9WpkUhhFb8SVAr4CFrCsFxDg+oY6HalOjn8F+egyvhag==",
+      "version": "2.26.4",
+      "resolved": "https://registry.npmjs.org/browser-sync/-/browser-sync-2.26.4.tgz",
+      "integrity": "sha512-L80yePIGJCQFEmAqfXenCmc4byS7up/SqmbL5geRa7Vm6iKog4iNIO3K5qe3TVmXnl3wVHYAfjEB1lgZPo5Nig==",
       "dev": true,
       "requires": {
-        "browser-sync-client": "^2.26.2",
-        "browser-sync-ui": "^2.26.2",
+        "browser-sync-client": "^2.26.4",
+        "browser-sync-ui": "^2.26.4",
         "bs-recipes": "1.3.4",
         "bs-snippet-injector": "^2.0.1",
         "chokidar": "^2.0.4",
@@ -730,7 +962,7 @@
         "http-proxy": "1.15.2",
         "immutable": "^3",
         "localtunnel": "1.9.1",
-        "micromatch": "2.3.11",
+        "micromatch": "^4.0.2",
         "opn": "5.3.0",
         "portscanner": "2.1.1",
         "qs": "6.2.3",
@@ -746,18 +978,61 @@
         "yargs": "6.4.0"
       },
       "dependencies": {
+        "braces": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
+          "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+          "dev": true,
+          "requires": {
+            "fill-range": "^7.0.1"
+          }
+        },
+        "fill-range": {
+          "version": "7.0.1",
+          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
+          "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
+          "dev": true,
+          "requires": {
+            "to-regex-range": "^5.0.1"
+          }
+        },
+        "is-number": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+          "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+          "dev": true
+        },
+        "micromatch": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.2.tgz",
+          "integrity": "sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==",
+          "dev": true,
+          "requires": {
+            "braces": "^3.0.1",
+            "picomatch": "^2.0.5"
+          }
+        },
         "qs": {
           "version": "6.2.3",
           "resolved": "https://registry.npmjs.org/qs/-/qs-6.2.3.tgz",
           "integrity": "sha1-HPyyXBCpsrSDBT/zn138kjOQjP4=",
           "dev": true
+        },
+        "to-regex-range": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
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diff --git a/package.json b/package.json
index 3cf8baa4..e4615058 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
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+    "test": "TEST=true istanbul cover tape test/core/*.js test/core/ui/user-interface.js test/core/modules/canvas-resize.js test/core/modules/QR.js test/core/modules/crop.js | tap-spec; browserify test/core/modules/image-sequencer.js test/core/modules/chain.js test/core/modules/meta-modules.js test/core/modules/replace.js test/core/modules/import-export.js test/core/modules/run.js test/core/modules/dynamic-imports.js test/core/util/*.js test/core/modules/benchmark.js| tape-run --render=\"tap-spec\"",
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     "start": "grunt serve"
@@ -24,6 +24,7 @@
     "url": "https://github.com/publiclab/image-sequencer/issues"
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   },
   "devDependencies": {
-    "base64-img": "^1.0.4",
+    "@babel/core": "^7.4.3",
+    "@babel/plugin-proposal-object-rest-spread": "^7.4.3",
+    "@babel/plugin-syntax-object-rest-spread": "^7.2.0",
+    "babelify": "^10.0.0",
     "browserify": "16.2.3",
     "grunt": "^1.0.3",
     "grunt-browser-sync": "^2.2.0",
diff --git a/src/modules/Blur/Blur.js b/src/modules/Blur/Blur.js
index 2c4ef4d0..ba15a91d 100755
--- a/src/modules/Blur/Blur.js
+++ b/src/modules/Blur/Blur.js
@@ -1,84 +1,62 @@
 module.exports = exports = function(pixels, blur) {
-    let kernel = kernelGenerator(blur, 1), oldpix = require('lodash').cloneDeep(pixels);
-    kernel = flipKernel(kernel);
-
-    for (let i = 0; i < pixels.shape[0]; i++) {
-        for (let j = 0; j < pixels.shape[1]; j++) {
-            let neighboutPos = getNeighbouringPixelPositions([i, j]);
-            let acc = [0.0, 0.0, 0.0, 0.0];
-            for (let a = 0; a < kernel.length; a++) {
-                for (let b = 0; b < kernel.length; b++) {
-                    acc[0] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 0) * kernel[a][b]);
-                    acc[1] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 1) * kernel[a][b]);
-                    acc[2] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 2) * kernel[a][b]);
-                    acc[3] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 3) * kernel[a][b]);
-                }
-            }
-            pixels.set(i, j, 0, acc[0]);
-            pixels.set(i, j, 1, acc[1]);
-            pixels.set(i, j, 2, acc[2]);
-        }
-    }
-    return pixels;
-
-
-
-    //Generates a 3x3 Gaussian kernel
-    function kernelGenerator(sigma, size) {
-
-        /*
-        Trying out a variable radius kernel not working as of now
-        */
-        // const coeff = (1.0/(2.0*Math.PI*sigma*sigma))
-        // const expCoeff = -1 * (1.0/2.0 * sigma * sigma)
-        // let e = Math.E
-        // let result = []
-        // for(let i = -1 * size;i<=size;i++){
-        //     let arr = []
-        //     for(let j= -1 * size;j<=size;j++){
-        //         arr.push(coeff * Math.pow(e,expCoeff * ((i * i) + (j*j))))
-        //     }
-        //     result.push(arr)
-        // }
-        // let sum = result.reduce((sum,val)=>{
-        //     return val.reduce((sumInner,valInner)=>{
-        //         return sumInner+valInner
-        //     })
-        // })
-        // result = result.map(arr=>arr.map(val=>(val + 0.0)/(sum + 0.0)))
-
-        // return result
-
-        return [
-            [2.0 / 159.0, 4.0 / 159.0, 5.0 / 159.0, 4.0 / 159.0, 2.0 / 159.0],
-            [4.0 / 159.0, 9.0 / 159.0, 12.0 / 159.0, 9.0 / 159.0, 4.0 / 159.0],
-            [5.0 / 159.0, 12.0 / 159.0, 15.0 / 159.0, 12.0 / 159.0, 5.0 / 159.0],
-            [4.0 / 159.0, 9.0 / 159.0, 12.0 / 159.0, 9.0 / 159.0, 4.0 / 159.0],
-            [2.0 / 159.0, 4.0 / 159.0, 5.0 / 159.0, 4.0 / 159.0, 2.0 / 159.0]
-        ];
-    }
-    function getNeighbouringPixelPositions(pixelPosition) {
-        let x = pixelPosition[0], y = pixelPosition[1], result = [];
-
-        for (let i = -2; i <= 2; i++) {
-            let arr = [];
-            for (let j = -2; j <= 2; j++)
-                arr.push([x + i, y + j]);
-
-            result.push(arr);
-        }
-        return result;
+  let kernel = kernelGenerator(blur),
+    pixs = {
+      r: [],
+      g: [],
+      b: [],
     }
 
-    function flipKernel(kernel) {
-        let result = [];
-        for (let i = kernel.length - 1; i >= 0; i--) {
-            let arr = [];
-            for (let j = kernel[i].length - 1; j >= 0; j--) {
-                arr.push(kernel[i][j]);
-            }
-            result.push(arr);
-        }
-        return result;
+  for (let y = 0; y < pixels.shape[1]; y++){
+    pixs.r.push([])
+    pixs.g.push([])
+    pixs.b.push([])
+
+    for (let x = 0; x < pixels.shape[0]; x++){
+      pixs.r[y].push(pixels.get(x, y, 0))
+      pixs.g[y].push(pixels.get(x, y, 1))
+      pixs.b[y].push(pixels.get(x, y, 2))
     }
-}
\ No newline at end of file
+  }
+
+  const convolve = require('../_nomodule/gpuUtils').convolve
+
+  const conPix = convolve([pixs.r, pixs.g, pixs.b], kernel)
+
+  for (let y = 0; y < pixels.shape[1]; y++){
+    for (let x = 0; x < pixels.shape[0]; x++){
+      pixels.set(x, y, 0, Math.max(0, Math.min(conPix[0][y][x], 255)))
+      pixels.set(x, y, 1, Math.max(0, Math.min(conPix[1][y][x], 255)))
+      pixels.set(x, y, 2, Math.max(0, Math.min(conPix[2][y][x], 255)))
+    }
+  }
+
+  return pixels;
+
+  //Generates a 5x5 Gaussian kernel
+  function kernelGenerator(sigma = 1) {
+
+    let kernel = [],
+      sum = 0;
+
+    if (sigma == 0) sigma += 0.05
+
+    const s = 2 * Math.pow(sigma, 2);
+
+    for (let y = -2; y <= 2; y++) {
+      kernel.push([])
+      for (let x = -2; x <= 2; x++) { 
+        let r = Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2))
+        kernel[y + 2].push(Math.exp(-(r / s)))
+        sum += kernel[y + 2][x + 2]
+      } 
+    }
+
+    for (let x = 0; x < 5; x++){
+      for (let y = 0; y < 5; y++){
+        kernel[y][x] = (kernel[y][x] / sum)
+      }
+    }
+
+    return kernel;
+  }
+}
diff --git a/src/modules/Blur/Module.js b/src/modules/Blur/Module.js
index 15d68e37..4844e501 100755
--- a/src/modules/Blur/Module.js
+++ b/src/modules/Blur/Module.js
@@ -5,6 +5,7 @@ module.exports = function Blur(options, UI) {
 
     var defaults = require('./../../util/getDefaults.js')(require('./info.json'));
     options.blur = options.blur || defaults.blur;
+    options.blur = parseFloat(options.blur);
     var output;
 
     function draw(input, callback, progressObj) {
diff --git a/src/modules/Blur/info.json b/src/modules/Blur/info.json
index d915ff93..655a8d5f 100755
--- a/src/modules/Blur/info.json
+++ b/src/modules/Blur/info.json
@@ -8,7 +8,7 @@
             "default": 2,
             "min": 0,
             "max": 5,
-            "step": 0.25
+            "step": 0.05
         }
     },
     "docs-link":"https://github.com/publiclab/image-sequencer/blob/main/docs/MODULES.md#blur-module"
diff --git a/src/modules/Convolution/Convolution.js b/src/modules/Convolution/Convolution.js
index 78202ee0..449c3dd1 100644
--- a/src/modules/Convolution/Convolution.js
+++ b/src/modules/Convolution/Convolution.js
@@ -1,71 +1,50 @@
 var _ = require('lodash');
-module.exports = exports = function(pixels, constantFactor, kernelValues) {
-    let kernel = kernelGenerator(constantFactor, kernelValues), oldpix = _.cloneDeep(pixels);
-    kernel = flipKernel(kernel);
-
-    for (let i = 0; i < pixels.shape[0]; i++) {
-        for (let j = 0; j < pixels.shape[1]; j++) {
-            let neighboutPos = getNeighbouringPixelPositions([i, j]);
-            let acc = [0.0, 0.0, 0.0, 0.0];
-            for (let a = 0; a < kernel.length; a++) {
-                for (let b = 0; b < kernel.length; b++) {
-                    acc[0] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 0) * kernel[a][b]);
-                    acc[1] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 1) * kernel[a][b]);
-                    acc[2] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 2) * kernel[a][b]);
-                    acc[3] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 3) * kernel[a][b]);
-                }
-            }
-            acc[0] = Math.min(acc[0], 255);
-            acc[1] = Math.min(acc[1], 255);
-            acc[2] = Math.min(acc[2], 255);
-            pixels.set(i, j, 0, acc[0]);
-            pixels.set(i, j, 1, acc[1]);
-            pixels.set(i, j, 2, acc[2]);
-        }
-    }
-    return pixels;
-
-
-    function kernelGenerator(constantFactor, kernelValues) {
-        kernelValues = kernelValues.split(" ");
-        for (i = 0; i < 9; i++) {
-            kernelValues[i] = Number(kernelValues[i]) * constantFactor;
-        }
-        let k = 0;
-        let arr = [];
-        for (i = 0; i < 3; i++) {
-            let columns = [];
-            for (j = 0; j < 3; j++) {
-                columns.push(kernelValues[k]);
-                k += 1;
-            }
-            arr.push(columns);
-        }
-        return arr;
+module.exports = exports = function(pixels, constantFactor, kernelValues, texMode) {
+  let kernel = kernelGenerator(constantFactor, kernelValues),
+    pixs = {
+      r: [],
+      g: [],
+      b: [],
     }
 
-    function getNeighbouringPixelPositions(pixelPosition) {
-        let x = pixelPosition[0], y = pixelPosition[1], result = [];
+  for (let y = 0; y < pixels.shape[1]; y++){
+    pixs.r.push([])
+    pixs.g.push([])
+    pixs.b.push([])
 
-        for (let i = -1; i <= 1; i++) {
-            let arr = [];
-            for (let j = -1; j <= 1; j++)
-                arr.push([x + i, y + j]);
-
-            result.push(arr);
-        }
-        return result;
+    for (let x = 0; x < pixels.shape[0]; x++){
+      pixs.r[y].push(pixels.get(x, y, 0))
+      pixs.g[y].push(pixels.get(x, y, 1))
+      pixs.b[y].push(pixels.get(x, y, 2))
     }
+  }
 
-    function flipKernel(kernel) {
-        let result = [];
-        for (let i = kernel.length - 1; i >= 0; i--) {
-            let arr = [];
-            for (let j = kernel[i].length - 1; j >= 0; j--) {
-                arr.push(kernel[i][j]);
-            }
-            result.push(arr);
-        }
-        return result;
+  const convolve = require('../_nomodule/gpuUtils').convolve;
+  const conPix = convolve([pixs.r, pixs.g, pixs.b], kernel, (pixels.shape[0] * pixels.shape[1]) < 400000 ? true : false)
+
+  for (let y = 0; y < pixels.shape[1]; y++){
+    for (let x = 0; x < pixels.shape[0]; x++){
+      pixels.set(x, y, 0, Math.max(0, Math.min(conPix[0][y][x], 255)))
+      pixels.set(x, y, 1, Math.max(0, Math.min(conPix[1][y][x], 255)))
+      pixels.set(x, y, 2, Math.max(0, Math.min(conPix[2][y][x], 255)))
     }
+  }
+
+  return pixels;
+}
+function kernelGenerator(constantFactor, kernelValues) {
+  kernelValues = kernelValues.split(" ");
+  for (i = 0; i < 9; i++) {
+    kernelValues[i] = Number(kernelValues[i]) * constantFactor;
+  }
+  let k = 0;
+  let arr = [];
+  for (y = 0; y < 3; y++) {
+    arr.push([])
+    for (x = 0; x < 3; x++) {
+      arr[y].push(kernelValues[k]);
+      k += 1;
+    }
+  }
+  return arr;
 }
\ No newline at end of file
diff --git a/src/modules/Convolution/Module.js b/src/modules/Convolution/Module.js
index 540bd4a0..e86153ea 100644
--- a/src/modules/Convolution/Module.js
+++ b/src/modules/Convolution/Module.js
@@ -4,6 +4,7 @@ module.exports = function Convolution(options, UI) {
 
     options.kernelValues = options.kernelValues || defaults.kernelValues;
     options.constantFactor = options.constantFactor || defaults.constantFactor;
+    options.texMode = options.texMode || defaults.texMode;
     var output;
 
     function draw(input, callback, progressObj) {
@@ -14,7 +15,7 @@ module.exports = function Convolution(options, UI) {
         var step = this;
 
         function extraManipulation(pixels) {
-            pixels = require('./Convolution')(pixels, options.constantFactor, options.kernelValues);
+            pixels = require('./Convolution')(pixels, options.constantFactor, options.kernelValues, options.texMode);
             return pixels;
         }
 
diff --git a/src/modules/Convolution/info.json b/src/modules/Convolution/info.json
index 4f81838f..719df699 100644
--- a/src/modules/Convolution/info.json
+++ b/src/modules/Convolution/info.json
@@ -5,10 +5,11 @@
   		"constantFactor":{
   			"type": "float",
   			"desc": "a constant factor, multiplies all the kernel values by that factor",
-  			"default": 0.1111,
-        "placeholder": 0.1111
+  			"default": 0.111,
+        "min": 0.001,
+        "max": 2,
+        "step": 0.001     
   		},
-        
       "kernelValues": {
         "type": "string",
         "desc": "nine space separated numbers representing the kernel values in left to right and top to bottom format.",
diff --git a/src/modules/EdgeDetect/EdgeUtils.js b/src/modules/EdgeDetect/EdgeUtils.js
index 09c9ca06..8d70e352 100644
--- a/src/modules/EdgeDetect/EdgeUtils.js
+++ b/src/modules/EdgeDetect/EdgeUtils.js
@@ -12,8 +12,9 @@ kernely = [
 
 let pixelsToBeSupressed = [];
 
-module.exports = function(pixels, highThresholdRatio, lowThresholdRatio, hysteresis) {
+module.exports = function(pixels, highThresholdRatio, lowThresholdRatio, useHysteresis) {
   let angles = [], grads = [], strongEdgePixels = [], weakEdgePixels = [];
+  
   for (var x = 0; x < pixels.shape[0]; x++) {
     grads.push([]);
     angles.push([]);
@@ -31,7 +32,7 @@ module.exports = function(pixels, highThresholdRatio, lowThresholdRatio, hystere
   }
   nonMaxSupress(pixels, grads, angles);
   doubleThreshold(pixels, highThresholdRatio, lowThresholdRatio, grads, strongEdgePixels, weakEdgePixels);
-  if(hysteresis.toLowerCase() == 'true') hysteresis(strongEdgePixels, weakEdgePixels);
+  if(useHysteresis.toLowerCase() == 'true') hysteresis(strongEdgePixels, weakEdgePixels);
 
   strongEdgePixels.forEach(pixel => preserve(pixels, pixel));
   weakEdgePixels.forEach(pixel => supress(pixels, pixel));
@@ -83,7 +84,7 @@ function sobelFilter(pixels, x, y) {
   return {
     pixel: [val, val, val, grad],
     angle: angle
-  };
+  }
 }
 
 function categorizeAngle(angle){
diff --git a/src/modules/EdgeDetect/Module.js b/src/modules/EdgeDetect/Module.js
index 3f97bdb3..1194a971 100644
--- a/src/modules/EdgeDetect/Module.js
+++ b/src/modules/EdgeDetect/Module.js
@@ -19,30 +19,40 @@ module.exports = function edgeDetect(options, UI) {
 
     var step = this;
 
+    // Blur the image
+    const internalSequencer = ImageSequencer({ inBrowser: false, ui: false });
+    return internalSequencer.loadImage(input.src, function () {
+      internalSequencer.importJSON([{ 'name': 'blur', 'options': {blur: options.blur} }]);
+      return internalSequencer.run(function onCallback(internalOutput) {
+         require('get-pixels')(internalOutput, function(err, blurPixels){
+          if (err){
+            return;
+          }
 
-    // Extra Manipulation function used as an enveloper for applying gaussian blur and Convolution
-    function changePixel(r, g, b, a) {
-      return [(r + g + b) / 3, (r + g + b) / 3, (r + g + b) / 3, a];
-    }
+          // Extra Manipulation function used as an enveloper for applying gaussian blur and Convolution
+          function changePixel(r, g, b, a) {
+            return [(r + g + b) / 3, (r + g + b) / 3, (r + g + b) / 3, a];
+          }
 
-    function extraManipulation(pixels) {
-      pixels = require('ndarray-gaussian-filter')(pixels, options.blur);
-      pixels = require('./EdgeUtils')(pixels, options.highThresholdRatio, options.lowThresholdRatio, options.hysteresis);
-      return pixels;
-    }
+          function extraManipulation(){
+            return require('./EdgeUtils')(blurPixels, options.highThresholdRatio, options.lowThresholdRatio, options.hysteresis);
+          }
 
-    function output(image, datauri, mimetype) {
-      step.output = { src: datauri, format: mimetype };
-    }
-
-    return require('../_nomodule/PixelManipulation.js')(input, {
-      output: output,
-      changePixel: changePixel,
-      extraManipulation: extraManipulation,
-      format: input.format,
-      image: options.image,
-      inBrowser: options.inBrowser,
-      callback: callback
+          function output(image, datauri, mimetype) {
+            step.output = { src: datauri, format: mimetype };
+          }
+      
+          return require('../_nomodule/PixelManipulation.js')(input, {
+            output: output,
+            changePixel: changePixel,
+            extraManipulation: extraManipulation,
+            format: input.format,
+            image: options.image,
+            inBrowser: options.inBrowser,
+            callback: callback
+          });
+        })
+      });
     });
   }
 
diff --git a/src/modules/EdgeDetect/info.json b/src/modules/EdgeDetect/info.json
index 3e8486c9..592a03c9 100644
--- a/src/modules/EdgeDetect/info.json
+++ b/src/modules/EdgeDetect/info.json
@@ -6,9 +6,9 @@
             "type": "float",
             "desc": "Amount of gaussian blur(Less blur gives more detail, typically 0-5)",
             "default": 2,
-            "min": 0,
+            "min": 0.05,
             "max": 5,
-            "step": 0.25
+            "step": 0.05
         },
         "highThresholdRatio":{
             "type": "float",
@@ -16,7 +16,7 @@
             "default": 0.2,
             "min": 0,
             "max": 1,
-            "step": 0.25
+            "step": 0.01
         },
         "lowThresholdRatio": {
             "type": "float",
@@ -24,7 +24,7 @@
             "default": 0.15,
 	    "min": 0,
 	    "max": 1,
-	    "step": 0.05
+	    "step": 0.01
         },
 	"hysteresis": {
 	    "type": "select",
diff --git a/src/modules/_nomodule/gpuUtils.js b/src/modules/_nomodule/gpuUtils.js
new file mode 100644
index 00000000..ae967beb
--- /dev/null
+++ b/src/modules/_nomodule/gpuUtils.js
@@ -0,0 +1,94 @@
+const GPU = require('gpu.js').GPU
+
+/**
+ * @method convolve
+ * @param {Float32Array|Unit8Array|Float64Array} arrays Array of matrices all of the same size.
+ * @param {Float32Array|Unit8Array|Float64Array} kernel kernelto be convolved on all the matrices.
+ * @param {Boolean} pipeMode Whether to save the output to a texture.
+ * @param {Boolean} normalize Whether to normailize the output by dividing it by the total value of the kernel.
+ * @returns {Float32Array} 
+ */
+const convolve = (arrays, kernel, options = {}) => {
+  const pipeMode = options.pipeMode || false,
+  mode = options.mode || 'gpu'
+
+  const gpu = new GPU(mode != 'gpu' ? {mode} : {})
+  
+  const arrayX = arrays[0][0].length,
+    arrayY = arrays[0].length,
+    kernelX = kernel[0].length,
+    kernelY = kernel.length,
+    paddingX = Math.floor(kernelX / 2),
+    paddingY = Math.floor(kernelY / 2);
+
+  const matConvFunc = `function (array, kernel) {
+    let sum = 0;
+    for (let i = 0; i < ${kernelX}; i++){
+      for (let j = 0; j < ${kernelY}; j++){
+        sum += kernel[j][i] * array[this.thread.y + j][this.thread.x + i];
+      }
+    }
+    return sum;
+  }`;
+
+  const padIt = (array) => {
+    let out = []
+
+    for (var y = 0; y < array.length + paddingY * 2; y++){
+      out.push([])
+      for (var x = 0; x < array[0].length + paddingX * 2; x++){
+        const positionX = Math.min(Math.max(x - paddingX, 0), array[0].length - 1);
+        const positionY = Math.min(Math.max(y - paddingY, 0), array.length - 1);
+
+        out[y].push(array[positionY][positionX])
+      }
+    }
+
+    return out
+  }
+
+  const convolveKernel = gpu.createKernel(matConvFunc, {
+    output: [arrayX, arrayY],
+    pipeline: pipeMode
+  })
+  
+  let outs = [];
+  for (var i = 0; i < arrays.length; i++){
+    const paddedArray = padIt(arrays[i])
+
+    const outArr = convolveKernel(paddedArray, kernel)
+
+    if (pipeMode) outs.push(outArr.toArray())
+    else outs.push(outArr)
+  }
+
+  return outs
+}
+
+/**
+ * 
+ * @param {Float32Array|'Object'} outputSize Output size of the compute function.
+ * @param {Function} computeFunc The compute function. Cannot be an arrow function.
+ * @param {'Object'} constants Constants to be passed to the function. Can be accessed inside the compute function using `this.constants`.
+ * @param {Boolean} pipeMode Whether to save output array to a texture.
+ * @returns {Float32Array}
+ */
+const compute = (outputSize, computeFunc, constants, pipeMode) => {
+  computeFunc = computeFunc.toString()
+
+  const compute = gpu.createKernel(computeFunc, {
+    output: outputSize,
+    constants,
+    pipeline: pipeMode
+  })
+
+  compute.build()
+
+  if (pipeMode) return compute().toArray()
+  else return compute()
+}
+
+module.exports = {
+  convolve,
+  compute
+}
\ No newline at end of file
diff --git a/test/core/util/gpuUtils.js b/test/core/util/gpuUtils.js
new file mode 100644
index 00000000..5b8e09c9
--- /dev/null
+++ b/test/core/util/gpuUtils.js
@@ -0,0 +1,96 @@
+const test = require('tape');
+const { convolve, compute } = require('../../../src/modules/_nomodule/gpuUtils')
+
+test('convolve works with 1x1 array', t => {
+  const array = [[1]],
+  kernel = [
+    [1, 1, 1],
+    [1, 1, 1],
+    [1, 1, 1]
+  ],
+  expectedOut = [
+    [9]
+  ]
+
+  const out = convolve([array], kernel);
+
+  t.equal(out.length, 1, 'convolve returns a single output array')
+  t.equal(out[0][0].length, 1, 'ouput array width is correct')
+  t.equal(out[0].length, 1, 'ouput array height is correct')
+  t.deepEqual(out[0], expectedOut, 'convolve outputs correct array')
+  t.end()
+})
+
+test('convolve works with 3x4 array', t => {
+  const array = [
+    [1, 2, 3],
+    [1, 2, 4],
+    [1, 3, 3],
+    [1, 2, 3]
+  ],
+  kernel = [
+    [1, 1, 1],
+    [1, 1, 1],
+    [1, 1, 1]
+  ],
+  expectedOut = [
+    [12, 19, 26],
+    [13, 20, 27],
+    [13, 20, 27],
+    [13, 19, 25]
+  ]
+
+  const out = convolve([array], kernel);
+
+  t.equal(out.length, 1, 'convolve returns a single output array')
+  t.equal(out[0][0].length, 3, 'ouput array width is correct')
+  t.equal(out[0].length, 4, 'ouput array height is correct')
+  t.deepEqual(out[0], expectedOut, 'convolve outputs correct array')
+  t.end()
+})
+
+test('convolve works with multiple 3x4 arrays', t => {
+  const array1 = [
+    [1, 2, 3],
+    [1, 2, 4],
+    [1, 3, 3],
+    [1, 2, 3]
+  ],
+  array2 = [
+    [1, 2, 4],
+    [2, 2, 1],
+    [1, 0, 0],
+    [2, 3, 1]
+  ],
+  kernel = [
+    [1, 1, 1],
+    [1, 1, 1],
+    [1, 1, 1]
+  ],
+  expectedOut1 = [
+    [12, 19, 26],
+    [13, 20, 27],
+    [13, 20, 27],
+    [13, 19, 25]
+  ],
+  expectedOut2 = [
+    [14, 19, 24],
+    [12, 13, 14],
+    [15, 12,  9],
+    [16, 13, 10]
+  ]
+
+  const out = convolve([array1, array2], kernel);
+
+  t.equal(out.length, 2, 'convolve returns 2 output array')
+
+  t.equal(out[0][0].length, 3, 'ouput array1 width is correct')
+  t.equal(out[0].length, 4, 'ouput array1 height is correct')
+
+  t.equal(out[1][0].length, 3, 'ouput array2 width is correct')
+  t.equal(out[1].length, 4, 'ouput array2 height is correct')
+
+  t.deepEqual(out[0], expectedOut1, 'convolve outputs correct array1')
+  t.deepEqual(out[1], expectedOut2, 'convolve outputs correct array2')
+  t.end()
+})
\ No newline at end of file