diff --git a/package-lock.json b/package-lock.json
index aa0e33d..5d7f474 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -64,50 +64,47 @@
       "integrity": "sha512-gmBbZ8QpUTLP4SqQah+c4KC56bTicgZEUUVsGvzTKunrHxI5339kFeFQ/XgCW2/pYPb3/tqjGSXEP272n/VTjw=="
     },
     "@tensorflow/tfjs": {
-      "version": "0.14.2",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs/-/tfjs-0.14.2.tgz",
-      "integrity": "sha512-d+kBdhn3L/BOIwwc44V1lUrs0O5s49ujhYXVHT9Hs6y3yq+OqPK10am16H1fNcxeMn12/3gGphebglObTD0/Sg==",
+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs/-/tfjs-1.7.4.tgz",
+      "integrity": "sha512-XWGwRQ/ECEoQacd74JY/dmbLdnMpwtq3H8tls45dQ+GJ553Advir1FDo/aQt0Yr6fTimQDeiOIG4Mcb5KduP/w==",
       "requires": {
-        "@tensorflow/tfjs-converter": "0.7.2",
-        "@tensorflow/tfjs-core": "0.14.5",
-        "@tensorflow/tfjs-data": "0.1.7",
-        "@tensorflow/tfjs-layers": "0.9.2"
+        "@tensorflow/tfjs-converter": "1.7.4",
+        "@tensorflow/tfjs-core": "1.7.4",
+        "@tensorflow/tfjs-data": "1.7.4",
+        "@tensorflow/tfjs-layers": "1.7.4"
       }
     },
     "@tensorflow/tfjs-converter": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-converter/-/tfjs-converter-0.7.2.tgz",
-      "integrity": "sha512-m46mtaF57x2NcxlNUKdJOCUp3ZSJU9bp9MzyEQ0Iz1bW2kKIxx1DDRjuP0fAeHX5H5Mh/tWIHB9yK6NwLz+aQQ==",
-      "requires": {
-        "@types/long": "~3.0.32",
-        "protobufjs": "~6.8.6"
-      }
+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-converter/-/tfjs-converter-1.7.4.tgz",
+      "integrity": "sha512-B/Ux9I3osI0CXoESGR0Xe5C6BsEfC04+g2xn5zVaW9KEuVEnGEgnuBQxgijRFzkqTwoyLv4ptAmjyIghVARX0Q=="
     },
     "@tensorflow/tfjs-core": {
-      "version": "0.14.5",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-core/-/tfjs-core-0.14.5.tgz",
-      "integrity": "sha512-CSUgKuC17J1Ylr1s6iD1k2/tJr9lD16sUEjtzJbtiuTYCELOwujGK/1htunA7o3BwLuU7aqEI92MoKElEKa7qA==",
+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-core/-/tfjs-core-1.7.4.tgz",
+      "integrity": "sha512-3G4VKJ6nPs7iCt6gs3bjRj8chihKrYWenf63R0pm7D9MhlrVoX/tpN4LYVMGgBL7jHPxMLKdOkoAZJrn/J88HQ==",
       "requires": {
+        "@types/offscreencanvas": "~2019.3.0",
         "@types/seedrandom": "2.4.27",
         "@types/webgl-ext": "0.0.30",
         "@types/webgl2": "0.0.4",
+        "node-fetch": "~2.1.2",
         "seedrandom": "2.4.3"
       }
     },
     "@tensorflow/tfjs-data": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-data/-/tfjs-data-0.1.7.tgz",
-      "integrity": "sha512-RENjeBdBLq7GS9594kQx2GbM0WQV16VfxzzB0j2sq5vJh9GZQi2DB5Emq2LqZWs5rSeh7PDHZylGOn/ve6f8PA==",
+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-data/-/tfjs-data-1.7.4.tgz",
+      "integrity": "sha512-WFYG9wWjNDi62x6o3O20Q0XJxToCw2J4/fBEXiK/Gr0hIqVhl2oLQ1OjTWq7O08NUxM6BRzuG+ra3gWYdQUzOw==",
       "requires": {
         "@types/node-fetch": "^2.1.2",
-        "node-fetch": "~2.1.2",
-        "seedrandom": "~2.4.3"
+        "node-fetch": "~2.1.2"
       }
     },
     "@tensorflow/tfjs-layers": {
-      "version": "0.9.2",
-      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-layers/-/tfjs-layers-0.9.2.tgz",
-      "integrity": "sha512-peB824cEXRBy5IgZPIodd8zpQ/54VGOYbR+zY+Q1Le7v3Np05EoDcL8Z98MtpBHo6jOM7b/3Lf2zjfJVv2qxJA=="
+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-layers/-/tfjs-layers-1.7.4.tgz",
+      "integrity": "sha512-5/K8Z8RBfXsucL6EaSeb3/8jB/I8oPaaXkxwKVsBPQ+u6lB6LEtSKzeiFc57nDr5OMtVaUZV+pKDNEzP0RUQlg=="
     },
     "@tensorflow/tfjs-node-gpu": {
       "version": "0.2.3",
@@ -124,6 +121,59 @@
         "tar": "^4.4.6"
       },
       "dependencies": {
+        "@tensorflow/tfjs": {
+          "version": "0.14.2",
+          "resolved": "https://registry.npmjs.org/@tensorflow/tfjs/-/tfjs-0.14.2.tgz",
+          "integrity": "sha512-d+kBdhn3L/BOIwwc44V1lUrs0O5s49ujhYXVHT9Hs6y3yq+OqPK10am16H1fNcxeMn12/3gGphebglObTD0/Sg==",
+          "requires": {
+            "@tensorflow/tfjs-converter": "0.7.2",
+            "@tensorflow/tfjs-core": "0.14.5",
+            "@tensorflow/tfjs-data": "0.1.7",
+            "@tensorflow/tfjs-layers": "0.9.2"
+          }
+        },
+        "@tensorflow/tfjs-converter": {
+          "version": "0.7.2",
+          "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-converter/-/tfjs-converter-0.7.2.tgz",
+          "integrity": "sha512-m46mtaF57x2NcxlNUKdJOCUp3ZSJU9bp9MzyEQ0Iz1bW2kKIxx1DDRjuP0fAeHX5H5Mh/tWIHB9yK6NwLz+aQQ==",
+          "requires": {
+            "@types/long": "~3.0.32",
+            "protobufjs": "~6.8.6"
+          }
+        },
+        "@tensorflow/tfjs-core": {
+          "version": "0.14.5",
+          "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-core/-/tfjs-core-0.14.5.tgz",
+          "integrity": "sha512-CSUgKuC17J1Ylr1s6iD1k2/tJr9lD16sUEjtzJbtiuTYCELOwujGK/1htunA7o3BwLuU7aqEI92MoKElEKa7qA==",
+          "requires": {
+            "@types/seedrandom": "2.4.27",
+            "@types/webgl-ext": "0.0.30",
+            "@types/webgl2": "0.0.4",
+            "seedrandom": "2.4.3"
+          }
+        },
+        "@tensorflow/tfjs-data": {
+          "version": "0.1.7",
+          "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-data/-/tfjs-data-0.1.7.tgz",
+          "integrity": "sha512-RENjeBdBLq7GS9594kQx2GbM0WQV16VfxzzB0j2sq5vJh9GZQi2DB5Emq2LqZWs5rSeh7PDHZylGOn/ve6f8PA==",
+          "requires": {
+            "@types/node-fetch": "^2.1.2",
+            "node-fetch": "~2.1.2",
+            "seedrandom": "~2.4.3"
+          },
+          "dependencies": {
+            "node-fetch": {
+              "version": "2.1.2",
+              "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
+              "integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U="
+            }
+          }
+        },
+        "@tensorflow/tfjs-layers": {
+          "version": "0.9.2",
+          "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-layers/-/tfjs-layers-0.9.2.tgz",
+          "integrity": "sha512-peB824cEXRBy5IgZPIodd8zpQ/54VGOYbR+zY+Q1Le7v3Np05EoDcL8Z98MtpBHo6jOM7b/3Lf2zjfJVv2qxJA=="
+        },
         "node-fetch": {
           "version": "2.3.0",
           "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.3.0.tgz",
@@ -137,18 +187,24 @@
       "integrity": "sha512-ZXyOOm83p7X8p3s0IYM3VeueNmHpkk/yMlP8CLeOnEcu6hIwPH7YjZBvhQkR0ZFS2DqZAxKtJ/M5fcuv3OU5BA=="
     },
     "@types/node": {
-      "version": "10.12.18",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.18.tgz",
-      "integrity": "sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ=="
+      "version": "13.13.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-13.13.4.tgz",
+      "integrity": "sha512-x26ur3dSXgv5AwKS0lNfbjpCakGIduWU1DU91Zz58ONRWrIKGunmZBNv4P7N+e27sJkiGDsw/3fT4AtsqQBrBA=="
     },
     "@types/node-fetch": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.1.4.tgz",
-      "integrity": "sha512-tR1ekaXUGpmzOcDXWU9BW73YfA2/VW1DF1FH+wlJ82BbCSnWTbdX+JkqWQXWKIGsFPnPsYadbXfNgz28g+ccWg==",
+      "version": "2.5.7",
+      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.5.7.tgz",
+      "integrity": "sha512-o2WVNf5UhWRkxlf6eq+jMZDu7kjgpgJfl4xVNlvryc95O/6F2ld8ztKX+qu+Rjyet93WAWm5LjeX9H5FGkODvw==",
       "requires": {
-        "@types/node": "*"
+        "@types/node": "*",
+        "form-data": "^3.0.0"
       }
     },
+    "@types/offscreencanvas": {
+      "version": "2019.3.0",
+      "resolved": "https://registry.npmjs.org/@types/offscreencanvas/-/offscreencanvas-2019.3.0.tgz",
+      "integrity": "sha512-esIJx9bQg+QYF0ra8GnvfianIY8qWB0GBx54PK5Eps6m+xTj86KLavHv6qDhzKcu5UUOgNfJ2pWaIIV7TRUd9Q=="
+    },
     "@types/seedrandom": {
       "version": "2.4.27",
       "resolved": "https://registry.npmjs.org/@types/seedrandom/-/seedrandom-2.4.27.tgz",
@@ -259,6 +315,11 @@
       "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0=",
       "dev": true
     },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    },
     "atob": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
@@ -541,6 +602,14 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "requires": {
+        "delayed-stream": "~1.0.0"
+      }
+    },
     "commander": {
       "version": "2.15.1",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
@@ -680,6 +749,11 @@
         }
       }
     },
+    "delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+    },
     "diff": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
@@ -894,6 +968,16 @@
       "integrity": "sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=",
       "dev": true
     },
+    "form-data": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-3.0.0.tgz",
+      "integrity": "sha512-CKMFDglpbMi6PyN+brwB9Q/GOw0eAnsrEZDgcsH5Krhz5Od/haKHAX0NmQfha2zPPz0JpWzA7GJHGSnvCRLWsg==",
+      "requires": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "mime-types": "^2.1.12"
+      }
+    },
     "fragment-cache": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",
@@ -936,7 +1020,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -957,12 +1042,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -977,17 +1064,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -1104,7 +1194,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1116,6 +1207,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -1130,6 +1222,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -1137,12 +1230,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -1161,6 +1256,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1241,7 +1337,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1253,6 +1350,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -1338,7 +1436,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1374,6 +1473,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -1393,6 +1493,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1436,12 +1537,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -1941,6 +2044,19 @@
         "to-regex": "^3.0.2"
       }
     },
+    "mime-db": {
+      "version": "1.44.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.44.0.tgz",
+      "integrity": "sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg=="
+    },
+    "mime-types": {
+      "version": "2.1.27",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.27.tgz",
+      "integrity": "sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==",
+      "requires": {
+        "mime-db": "1.44.0"
+      }
+    },
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -2240,9 +2356,9 @@
       "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA=="
     },
     "protobufjs": {
-      "version": "6.8.8",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.8.8.tgz",
-      "integrity": "sha512-AAmHtD5pXgZfi7GMpllpO3q1Xw1OYldr+dMUlAnffGTAhqkg72WdmSY71uKBF/JuyiKs8psYbtKrhi0ASCD8qw==",
+      "version": "6.8.9",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.8.9.tgz",
+      "integrity": "sha512-j2JlRdUeL/f4Z6x4aU4gj9I2LECglC+5qR2TrWb193Tla1qfdaNQTZ8I27Pt7K0Ajmvjjpft7O3KWTGciz4gpw==",
       "requires": {
         "@protobufjs/aspromise": "^1.1.2",
         "@protobufjs/base64": "^1.1.2",
@@ -2260,9 +2376,14 @@
       },
       "dependencies": {
         "@types/long": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.0.tgz",
-          "integrity": "sha512-1w52Nyx4Gq47uuu0EVcsHBxZFJgurQ+rTKS3qMHxR1GY2T8c2AJYd6vZoZ9q1rupaDjU0yT+Jc2XTyXkjeMA+Q=="
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.1.tgz",
+          "integrity": "sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w=="
+        },
+        "@types/node": {
+          "version": "10.17.21",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.21.tgz",
+          "integrity": "sha512-PQKsydPxYxF1DsAFWmunaxd3sOi3iMt6Zmx/tgaagHYmwJ/9cRH91hQkeJZaUGWbvn0K5HlSVEXkn5U/llWPpQ=="
         }
       }
     },
diff --git a/package.json b/package.json
index e947790..7737a39 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     },
     "dependencies": {
         "@tensorflow-models/mobilenet": "^0.2.2",
-        "@tensorflow/tfjs": "^0.14.2",
+        "@tensorflow/tfjs": "^1.7.4",
         "@tensorflow/tfjs-node-gpu": "^0.2.3",
         "jpeg-js": "^0.3.4"
     }