@tensorflow-models/coco-ssd/.yalc/@tensorflow/tfjs-converter/dist/tf-converter.min.js

Object detection model (coco-ssd) in TensorFlow.js

/**
 * @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
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this._push(writeByte,1,0);if(minimal.isString(e)){var a=Writer.alloc(t=base64.length(e));base64.decode(e,a,0),e=a}return this.uint32(t)._push(writeBytes,t,e)},Writer.prototype.string=function(e){var t=utf8.length(e);return t?this.uint32(t)._push(utf8.write,t,e):this._push(writeByte,1,0)},Writer.prototype.fork=function(){return this.states=new State(this),this.head=this.tail=new Op(noop,0,0),this.len=0,this},Writer.prototype.reset=function(){return this.states?(this.head=this.states.head,this.tail=this.states.tail,this.len=this.states.len,this.states=this.states.next):(this.head=this.tail=new Op(noop,0,0),this.len=0),this},Writer.prototype.ldelim=function(){var e=this.head,t=this.tail,a=this.len;return this.reset().uint32(a),a&&(this.tail.next=e.next,this.tail=t,this.len+=a),this},Writer.prototype.finish=function(){for(var e=this.head.next,t=this.constructor.alloc(this.len),a=0;e;)e.fn(e.val,t,a),a+=e.len,e=e.next;return t},Writer._configure=function(e){BufferWriter=e};var writer_buffer=BufferWriter$1;(BufferWriter$1.prototype=Object.create(writer.prototype)).constructor=BufferWriter$1;var Buffer$1=minimal.Buffer;function BufferWriter$1(){writer.call(this)}BufferWriter$1.alloc=function(e){return(BufferWriter$1.alloc=minimal._Buffer_allocUnsafe)(e)};var writeBytesBuffer=Buffer$1&&Buffer$1.prototype instanceof Uint8Array&&"set"===Buffer$1.prototype.set.name?function(e,t,a){t.set(e,a)}:function(e,t,a){if(e.copy)e.copy(t,a,0,e.length);else for(var r=0;r<e.length;)t[a++]=e[r++]};function writeStringBuffer(e,t,a){e.length<40?minimal.utf8.write(e,t,a):t.utf8Write(e,a)}BufferWriter$1.prototype.bytes=function(e){minimal.isString(e)&&(e=minimal._Buffer_from(e,"base64"));var t=e.length>>>0;return this.uint32(t),t&&this._push(writeBytesBuffer,t,e),this},BufferWriter$1.prototype.string=function(e){var t=Buffer$1.byteLength(e);return this.uint32(t),t&&this._push(writeStringBuffer,t,e),this};var reader=Reader,BufferReader,LongBits$2=minimal.LongBits,utf8$1=minimal.utf8;function indexOutOfRange(e,t){return RangeError("index out of range: "+e.pos+" + "+(t||1)+" > "+e.len)}function Reader(e){this.buf=e,this.pos=0,this.len=e.length}var create_array="undefined"!=typeof Uint8Array?function(e){if(e instanceof Uint8Array||Array.isArray(e))return new Reader(e);throw Error("illegal buffer")}:function(e){if(Array.isArray(e))return new Reader(e);throw Error("illegal buffer")},value;function readLongVarint(){var e=new LongBits$2(0,0),t=0;if(!(this.len-this.pos>4)){for(;t<3;++t){if(this.pos>=this.len)throw indexOutOfRange(this);if(e.lo=(e.lo|(127&this.buf[this.pos])<<7*t)>>>0,this.buf[this.pos++]<128)return e}return e.lo=(e.lo|(127&this.buf[this.pos++])<<7*t)>>>0,e}for(;t<4;++t)if(e.lo=(e.lo|(127&this.buf[this.pos])<<7*t)>>>0,this.buf[this.pos++]<128)return e;if(e.lo=(e.lo|(127&this.buf[this.pos])<<28)>>>0,e.hi=(e.hi|(127&this.buf[this.pos])>>4)>>>0,this.buf[this.pos++]<128)return e;if(t=0,this.len-this.pos>4){for(;t<5;++t)if(e.hi=(e.hi|(127&this.buf[this.pos])<<7*t+3)>>>0,this.buf[this.pos++]<128)return e}else for(;t<5;++t){if(this.pos>=this.len)throw indexOutOfRange(this);if(e.hi=(e.hi|(127&this.buf[this.pos])<<7*t+3)>>>0,this.buf[this.pos++]<128)return e}throw Error("invalid varint encoding")}function readFixed32_end(e,t){return(e[t-4]|e[t-3]<<8|e[t-2]<<16|e[t-1]<<24)>>>0}function readFixed64(){if(this.pos+8>this.len)throw indexOutOfRange(this,8);return new LongBits$2(readFixed32_end(this.buf,this.pos+=4),readFixed32_end(this.buf,this.pos+=4))}Reader.create=minimal.Buffer?function(e){return(Reader.create=function(e){return minimal.Buffer.isBuffer(e)?new BufferReader(e):create_array(e)})(e)}:create_array,Reader.prototype._slice=minimal.Array.prototype.subarray||minimal.Array.prototype.slice,Reader.prototype.uint32=(value=4294967295,function(){if(value=(127&this.buf[this.pos])>>>0,this.buf[this.pos++]<128)return value;if(value=(value|(127&this.buf[this.pos])<<7)>>>0,this.buf[this.pos++]<128)return value;if(value=(value|(127&this.buf[this.pos])<<14)>>>0,this.buf[this.pos++]<128)return value;if(value=(value|(127&this.buf[this.pos])<<21)>>>0,this.buf[this.pos++]<128)return value;if(value=(value|(15&this.buf[this.pos])<<28)>>>0,this.buf[this.pos++]<128)return value;if((this.pos+=5)>this.len)throw this.pos=this.len,indexOutOfRange(this,10);return value}),Reader.prototype.int32=function(){return 0|this.uint32()},Reader.prototype.sint32=function(){var e=this.uint32();return e>>>1^-(1&e)|0},Reader.prototype.bool=function(){return 0!==this.uint32()},Reader.prototype.fixed32=function(){if(this.pos+4>this.len)throw indexOutOfRange(this,4);return readFixed32_end(this.buf,this.pos+=4)},Reader.prototype.sfixed32=function(){if(this.pos+4>this.len)throw indexOutOfRange(this,4);return 0|readFixed32_end(this.buf,this.pos+=4)},Reader.prototype.float=function(){if(this.pos+4>this.len)throw indexOutOfRange(this,4);var e=minimal.float.readFloatLE(this.buf,this.pos);return this.pos+=4,e},Reader.prototype.double=function(){if(this.pos+8>this.len)throw indexOutOfRange(this,4);var e=minimal.float.readDoubleLE(this.buf,this.pos);return this.pos+=8,e},Reader.prototype.bytes=function(){var e=this.uint32(),t=this.pos,a=this.pos+e;if(a>this.len)throw indexOutOfRange(this,e);return this.pos+=e,Array.isArray(this.buf)?this.buf.slice(t,a):t===a?new this.buf.constructor(0):this._slice.call(this.buf,t,a)},Reader.prototype.string=function(){var e=this.bytes();return utf8$1.read(e,0,e.length)},Reader.prototype.skip=function(e){if("number"==typeof e){if(this.pos+e>this.len)throw indexOutOfRange(this,e);this.pos+=e}else do{if(this.pos>=this.len)throw indexOutOfRange(this)}while(128&this.buf[this.pos++]);return this},Reader.prototype.skipType=function(e){switch(e){case 0:this.skip();break;case 1:this.skip(8);break;case 2:this.skip(this.uint32());break;case 3:for(;4!=(e=7&this.uint32());)this.skipType(e);break;case 5:this.skip(4);break;default:throw Error("invalid wire type "+e+" at offset "+this.pos)}return this},Reader._configure=function(e){BufferReader=e;var t=minimal.Long?"toLong":"toNumber";minimal.merge(Reader.prototype,{int64:function(){return readLongVarint.call(this)[t](!1)},uint64:function(){return readLongVarint.call(this)[t](!0)},sint64:function(){return readLongVarint.call(this).zzDecode()[t](!1)},fixed64:function(){return readFixed64.call(this)[t](!0)},sfixed64:function(){return readFixed64.call(this)[t](!1)}})};var reader_buffer=BufferReader$1;function BufferReader$1(e){reader.call(this,e)}(BufferReader$1.prototype=Object.create(reader.prototype)).constructor=BufferReader$1,minimal.Buffer&&(BufferReader$1.prototype._slice=minimal.Buffer.prototype.slice),BufferReader$1.prototype.string=function(){var e=this.uint32();return this.buf.utf8Slice(this.pos,this.pos=Math.min(this.pos+e,this.len))};var service=Service;function Service(e,t,a){if("function"!=typeof e)throw TypeError("rpcImpl must be a function");minimal.EventEmitter.call(this),this.rpcImpl=e,this.requestDelimited=Boolean(t),this.responseDelimited=Boolean(a)}(Service.prototype=Object.create(minimal.EventEmitter.prototype)).constructor=Service,Service.prototype.rpcCall=function e(t,a,r,n,o){if(!n)throw TypeError("request must be specified");var s=this;if(!o)return minimal.asPromise(e,s,t,a,r,n);if(s.rpcImpl)try{return s.rpcImpl(t,a[s.requestDelimited?"encodeDelimited":"encode"](n).finish(),function(e,a){if(e)return s.emit("error",e,t),o(e);if(null!==a){if(!(a instanceof r))try{a=r[s.responseDelimited?"decodeDelimited":"decode"](a)}catch(e){return s.emit("error",e,t),o(e)}return s.emit("data",a,t),o(null,a)}s.end(!0)})}catch(e){return s.emit("error",e,t),void setTimeout(function(){o(e)},0)}else setTimeout(function(){o(Error("already ended"))},0)},Service.prototype.end=function(e){return this.rpcImpl&&(e||this.rpcImpl(null,null,null),this.rpcImpl=null,this.emit("end").off()),this};var rpc_1=createCommonjsModule(function(e,t){t.Service=service}),roots={},indexMinimal=createCommonjsModule(function(e,t){var a=t;function r(){a.Reader._configure(a.BufferReader),a.util._configure()}a.build="minimal",a.Writer=writer,a.BufferWriter=writer_buffer,a.Reader=reader,a.BufferReader=reader_buffer,a.util=minimal,a.rpc=rpc_1,a.roots=roots,a.configure=r,a.Writer._configure(a.BufferWriter),r()}),minimal$1=indexMinimal,minimal_1=minimal$1.roots,minimal_2=minimal$1.Reader,minimal_3=minimal$1.util,$Reader=minimal$1.Reader,$util=minimal$1.util,$root=minimal$1.roots.default||(minimal$1.roots.default={}),valuesById,values,tensorflow;$root.tensorflow=(tensorflow={},tensorflow.Any=function(){function e(e){if(e)for(var t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}return e.prototype.typeUrl="",e.prototype.value=$util.newBuffer([]),e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a=void 0===t?e.len:e.pos+t,r=new $root.tensorflow.Any;e.pos<a;){var n=e.uint32();switch(n>>>3){case 1:r.typeUrl=e.string();break;case 2:r.value=e.bytes();break;default:e.skipType(7&n)}}return r},e}(),tensorflow.DataType=(valuesById={},(values=Object.create(valuesById))[valuesById[0]="DT_INVALID"]=0,values[valuesById[1]="DT_FLOAT"]=1,values[valuesById[2]="DT_DOUBLE"]=2,values[valuesById[3]="DT_INT32"]=3,values[valuesById[4]="DT_UINT8"]=4,values[valuesById[5]="DT_INT16"]=5,values[valuesById[6]="DT_INT8"]=6,values[valuesById[7]="DT_STRING"]=7,values[valuesById[8]="DT_COMPLEX64"]=8,values[valuesById[9]="DT_INT64"]=9,values[valuesById[10]="DT_BOOL"]=10,values[valuesById[11]="DT_QINT8"]=11,values[valuesById[12]="DT_QUINT8"]=12,values[valuesById[13]="DT_QINT32"]=13,values[valuesById[14]="DT_BFLOAT16"]=14,values[valuesById[101]="DT_FLOAT_REF"]=101,values[valuesById[102]="DT_DOUBLE_REF"]=102,values[valuesById[103]="DT_INT32_REF"]=103,values[valuesById[104]="DT_UINT8_REF"]=104,values[valuesById[105]="DT_INT16_REF"]=105,values[valuesById[106]="DT_INT8_REF"]=106,values[valuesById[107]="DT_STRING_REF"]=107,values[valuesById[108]="DT_COMPLEX64_REF"]=108,values[valuesById[109]="DT_INT64_REF"]=109,values[valuesById[110]="DT_BOOL_REF"]=110,values[valuesById[111]="DT_QINT8_REF"]=111,values[valuesById[112]="DT_QUINT8_REF"]=112,values[valuesById[113]="DT_QINT32_REF"]=113,values[valuesById[114]="DT_BFLOAT16_REF"]=114,values),tensorflow.TensorShape=function(){function e(e){if(this.dim=[],e)for(var t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}return e.prototype.dim=$util.emptyArray,e.prototype.unknownRank=!1,e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a=void 0===t?e.len:e.pos+t,r=new $root.tensorflow.TensorShape;e.pos<a;){var n=e.uint32();switch(n>>>3){case 2:r.dim&&r.dim.length||(r.dim=[]),r.dim.push($root.tensorflow.TensorShape.Dim.decode(e,e.uint32()));break;case 3:r.unknownRank=e.bool();break;default:e.skipType(7&n)}}return r},e.Dim=function(){function e(e){if(e)for(var t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}return e.prototype.size=$util.Long?$util.Long.fromBits(0,0,!1):0,e.prototype.name="",e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a=void 0===t?e.len:e.pos+t,r=new $root.tensorflow.TensorShape.Dim;e.pos<a;){var n=e.uint32();switch(n>>>3){case 1:r.size=e.int64();break;case 2:r.name=e.string();break;default:e.skipType(7&n)}}return r},e}(),e}(),tensorflow.Tensor=function(){function e(e){if(this.floatVal=[],this.doubleVal=[],this.intVal=[],this.stringVal=[],this.scomplexVal=[],this.int64Val=[],this.boolVal=[],this.uint32Val=[],this.uint64Val=[],e)for(var t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}return e.prototype.dtype=0,e.prototype.tensorShape=null,e.prototype.versionNumber=0,e.prototype.tensorContent=$util.newBuffer([]),e.prototype.floatVal=$util.emptyArray,e.prototype.doubleVal=$util.emptyArray,e.prototype.intVal=$util.emptyArray,e.prototype.stringVal=$util.emptyArray,e.prototype.scomplexVal=$util.emptyArray,e.prototype.int64Val=$util.emptyArray,e.prototype.boolVal=$util.emptyArray,e.prototype.uint32Val=$util.emptyArray,e.prototype.uint64Val=$util.emptyArray,e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a=void 0===t?e.len:e.pos+t,r=new $root.tensorflow.Tensor;e.pos<a;){var n=e.uint32();switch(n>>>3){case 1:r.dtype=e.int32();break;case 2:r.tensorShape=$root.tensorflow.TensorShape.decode(e,e.uint32());break;case 3:r.versionNumber=e.int32();break;case 4:r.tensorContent=e.bytes();break;case 5:if(r.floatVal&&r.floatVal.length||(r.floatVal=[]),2==(7&n))for(var o=e.uint32()+e.pos;e.pos<o;)r.floatVal.push(e.float());else r.floatVal.push(e.float());break;case 6:if(r.doubleVal&&r.doubleVal.length||(r.doubleVal=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.doubleVal.push(e.double());else r.doubleVal.push(e.double());break;case 7:if(r.intVal&&r.intVal.length||(r.intVal=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.intVal.push(e.int32());else r.intVal.push(e.int32());break;case 8:r.stringVal&&r.stringVal.length||(r.stringVal=[]),r.stringVal.push(e.bytes());break;case 9:if(r.scomplexVal&&r.scomplexVal.length||(r.scomplexVal=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.scomplexVal.push(e.float());else r.scomplexVal.push(e.float());break;case 10:if(r.int64Val&&r.int64Val.length||(r.int64Val=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.int64Val.push(e.int64());else r.int64Val.push(e.int64());break;case 11:if(r.boolVal&&r.boolVal.length||(r.boolVal=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.boolVal.push(e.bool());else r.boolVal.push(e.bool());break;case 16:if(r.uint32Val&&r.uint32Val.length||(r.uint32Val=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.uint32Val.push(e.uint32());else r.uint32Val.push(e.uint32());break;case 17:if(r.uint64Val&&r.uint64Val.length||(r.uint64Val=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.uint64Val.push(e.uint64());else r.uint64Val.push(e.uint64());break;default:e.skipType(7&n)}}return r},e}(),tensorflow.AttrValue=function(){function e(e){if(e)for(var t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}var t;return e.prototype.list=null,e.prototype.s=$util.newBuffer([]),e.prototype.i=$util.Long?$util.Long.fromBits(0,0,!1):0,e.prototype.f=0,e.prototype.b=!1,e.prototype.type=0,e.prototype.shape=null,e.prototype.tensor=null,e.prototype.placeholder="",e.prototype.func=null,Object.defineProperty(e.prototype,"value",{get:$util.oneOfGetter(t=["list","s","i","f","b","type","shape","tensor","placeholder","func"]),set:$util.oneOfSetter(t)}),e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a=void 0===t?e.len:e.pos+t,r=new $root.tensorflow.AttrValue;e.pos<a;){var n=e.uint32();switch(n>>>3){case 1:r.list=$root.tensorflow.AttrValue.ListValue.decode(e,e.uint32());break;case 2:r.s=e.bytes();break;case 3:r.i=e.int64();break;case 4:r.f=e.float();break;case 5:r.b=e.bool();break;case 6:r.type=e.int32();break;case 7:r.shape=$root.tensorflow.TensorShape.decode(e,e.uint32());break;case 8:r.tensor=$root.tensorflow.Tensor.decode(e,e.uint32());break;case 9:r.placeholder=e.string();break;case 10:r.func=$root.tensorflow.NameAttrList.decode(e,e.uint32());break;default:e.skipType(7&n)}}return r},e.ListValue=function(){function e(e){if(this.s=[],this.i=[],this.f=[],this.b=[],this.type=[],this.shape=[],this.tensor=[],this.func=[],e)for(var t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}return e.prototype.s=$util.emptyArray,e.prototype.i=$util.emptyArray,e.prototype.f=$util.emptyArray,e.prototype.b=$util.emptyArray,e.prototype.type=$util.emptyArray,e.prototype.shape=$util.emptyArray,e.prototype.tensor=$util.emptyArray,e.prototype.func=$util.emptyArray,e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a=void 0===t?e.len:e.pos+t,r=new $root.tensorflow.AttrValue.ListValue;e.pos<a;){var n=e.uint32();switch(n>>>3){case 2:r.s&&r.s.length||(r.s=[]),r.s.push(e.bytes());break;case 3:if(r.i&&r.i.length||(r.i=[]),2==(7&n))for(var o=e.uint32()+e.pos;e.pos<o;)r.i.push(e.int64());else r.i.push(e.int64());break;case 4:if(r.f&&r.f.length||(r.f=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.f.push(e.float());else r.f.push(e.float());break;case 5:if(r.b&&r.b.length||(r.b=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.b.push(e.bool());else r.b.push(e.bool());break;case 6:if(r.type&&r.type.length||(r.type=[]),2==(7&n))for(o=e.uint32()+e.pos;e.pos<o;)r.type.push(e.int32());else r.type.push(e.int32());break;case 7:r.shape&&r.shape.length||(r.shape=[]),r.shape.push($root.tensorflow.TensorShape.decode(e,e.uint32()));break;case 8:r.tensor&&r.tensor.length||(r.tensor=[]),r.tensor.push($root.tensorflow.Tensor.decode(e,e.uint32()));break;case 9:r.func&&r.func.length||(r.func=[]),r.func.push($root.tensorflow.NameAttrList.decode(e,e.uint32()));break;default:e.skipType(7&n)}}return r},e}(),e}(),tensorflow.NameAttrList=function(){function e(e){if(this.attr={},e)for(var t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}return e.prototype.name="",e.prototype.attr=$util.emptyObject,e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a,r=void 0===t?e.len:e.pos+t,n=new $root.tensorflow.NameAttrList;e.pos<r;){var o=e.uint32();switch(o>>>3){case 1:n.name=e.string();break;case 2:e.skip().pos++,n.attr===$util.emptyObject&&(n.attr={}),a=e.string(),e.pos++,n.attr[a]=$root.tensorflow.AttrValue.decode(e,e.uint32());break;default:e.skipType(7&o)}}return n},e}(),tensorflow.NodeDef=function(){function e(e){if(this.input=[],this.attr={},e)for(var t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}return e.prototype.name="",e.prototype.op="",e.prototype.input=$util.emptyArray,e.prototype.device="",e.prototype.attr=$util.emptyObject,e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a,r=void 0===t?e.len:e.pos+t,n=new $root.tensorflow.NodeDef;e.pos<r;){var o=e.uint32();switch(o>>>3){case 1:n.name=e.string();break;case 2:n.op=e.string();break;case 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t=Object.keys(e),a=0;a<t.length;++a)null!=e[t[a]]&&(this[t[a]]=e[t[a]])}return e.prototype.metaGraphVersion="",e.prototype.strippedOpList=null,e.prototype.anyInfo=null,e.prototype.tags=$util.emptyArray,e.prototype.tensorflowVersion="",e.prototype.tensorflowGitVersion="",e.decode=function(e,t){e instanceof $Reader||(e=$Reader.create(e));for(var a=void 0===t?e.len:e.pos+t,r=new $root.tensorflow.MetaGraphDef.MetaInfoDef;e.pos<a;){var n=e.uint32();switch(n