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DecodeGif
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Decodifique o (s) quadro (s) de uma imagem codificada por GIF em um tensor uint8.
Imagens GIF com compressão de quadro ou transparência não são suportadas. Em sistemas Linux e MacOS, converta GIFs animados de compactados para descompactados executando:
convert $ src.gif -coalesce $ dst.gif
Esta op também suporta decodificação JPEGs e PNGs, embora seja mais limpo para uso tf.io.decode_image
.
Constantes
Fragmento | OP_NAME | O nome desta operação, conforme conhecido pelo motor principal TensorFlow |
Métodos herdados
Da classe java.lang.Object boleano | equals (arg0 Object) |
aula final <?> | getClass () |
int | hashCode () |
vazio final | notificar () |
vazio final | notifyAll () |
Fragmento | toString () |
vazio final | wait (longa arg0, int arg1) |
vazio final | wait (arg0 de comprimento) |
vazio final | wait () |
Constantes
nome_op final String public static
O nome desta operação, conforme conhecido pelo motor principal TensorFlow
Valor constante: "DecodeGif"
Métodos Públicos
pública Output < TUint8 > asOutput ()
Retorna o identificador simbólico do tensor.
As entradas para as operações do TensorFlow são saídas de outra operação do TensorFlow. Este método é usado para obter um identificador simbólico que representa o cálculo da entrada.
Método de fábrica para criar uma classe envolvendo uma nova operação DecodeGif.
Parâmetros
alcance | escopo atual |
---|
conteúdo | 0-D. A imagem codificada em GIF. |
---|
Devoluções
- uma nova instância de DecodeGif
4-D com forma `[núm_frames, altura, largura, 3]`. Ordem dos canais RGB.
Exceto em caso de indicação contrária, o conteúdo desta página é licenciado de acordo com a Licença de atribuição 4.0 do Creative Commons, e as amostras de código são licenciadas de acordo com a Licença Apache 2.0. Para mais detalhes, consulte as políticas do site do Google Developers. Java é uma marca registrada da Oracle e/ou afiliadas.
Última atualização 2021-11-29 UTC.
[null,null,["Última atualização 2021-11-29 UTC."],[],[],null,["# DecodeGif\n\npublic final class **DecodeGif** \nDecode the frame(s) of a GIF-encoded image to a uint8 tensor.\n\n\nGIF images with frame or transparency compression are not supported.\nOn Linux and MacOS systems, convert animated GIFs from compressed to\nuncompressed by running:\n\n\nconvert $src.gif -coalesce $dst.gif\n\n\nThis op also supports decoding JPEGs and PNGs, though it is cleaner to use\n[`tf.io.decode_image`](https://www.tensorflow.org/api_docs/python/tf/io/decode_image).\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n### Constants\n\n|--------|-------------------------------------------------------------------------|---------------------------------------------------------|\n| String | [OP_NAME](/jvm/api_docs/java/org/tensorflow/op/image/DecodeGif#OP_NAME) | The name of this op, as known by TensorFlow core engine |\n\n### Public Methods\n\n|----------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e | [asOutput](/jvm/api_docs/java/org/tensorflow/op/image/DecodeGif#asOutput())() Returns the symbolic handle of the tensor. |\n| static [DecodeGif](/jvm/api_docs/java/org/tensorflow/op/image/DecodeGif) | [create](/jvm/api_docs/java/org/tensorflow/op/image/DecodeGif#create(org.tensorflow.op.Scope, org.tensorflow.Operand\u003corg.tensorflow.types.TString\u003e))([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TString](/jvm/api_docs/java/org/tensorflow/types/TString)\\\u003e contents) Factory method to create a class wrapping a new DecodeGif operation. |\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e | [image](/jvm/api_docs/java/org/tensorflow/op/image/DecodeGif#image())() 4-D with shape \\`\\[num_frames, height, width, 3\\]\\`. |\n\n### Inherited Methods\n\nFrom class [org.tensorflow.op.RawOp](/jvm/api_docs/java/org/tensorflow/op/RawOp) \n\n|----------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| final boolean | [equals](/jvm/api_docs/java/org/tensorflow/op/RawOp#equals(java.lang.Object))(Object obj) |\n| final int | [hashCode](/jvm/api_docs/java/org/tensorflow/op/RawOp#hashCode())() |\n| [Operation](/jvm/api_docs/java/org/tensorflow/Operation) | [op](/jvm/api_docs/java/org/tensorflow/op/RawOp#op())() Return this unit of computation as a single [Operation](/jvm/api_docs/java/org/tensorflow/Operation). |\n| final String | [toString](/jvm/api_docs/java/org/tensorflow/op/RawOp#toString())() |\n\nFrom class java.lang.Object \n\n|------------------|---------------------------|\n| boolean | equals(Object arg0) |\n| final Class\\\u003c?\\\u003e | getClass() |\n| int | hashCode() |\n| final void | notify() |\n| final void | notifyAll() |\n| String | toString() |\n| final void | wait(long arg0, int arg1) |\n| final void | wait(long arg0) |\n| final void | wait() |\n\nFrom interface [org.tensorflow.op.Op](/jvm/api_docs/java/org/tensorflow/op/Op) \n\n|-----------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [ExecutionEnvironment](/jvm/api_docs/java/org/tensorflow/ExecutionEnvironment) | [env](/jvm/api_docs/java/org/tensorflow/op/Op#env())() Return the execution environment this op was created in. |\n| abstract [Operation](/jvm/api_docs/java/org/tensorflow/Operation) | [op](/jvm/api_docs/java/org/tensorflow/op/Op#op())() Return this unit of computation as a single [Operation](/jvm/api_docs/java/org/tensorflow/Operation). |\n\nFrom interface [org.tensorflow.Operand](/jvm/api_docs/java/org/tensorflow/Operand) \n\n|-------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e | [asOutput](/jvm/api_docs/java/org/tensorflow/Operand#asOutput())() Returns the symbolic handle of the tensor. |\n| abstract [TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8) | [asTensor](/jvm/api_docs/java/org/tensorflow/Operand#asTensor())() Returns the tensor at this operand. |\n| abstract [Shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shape) | [shape](/jvm/api_docs/java/org/tensorflow/Operand#shape())() Returns the (possibly partially known) shape of the tensor referred to by the [Output](/jvm/api_docs/java/org/tensorflow/Output) of this operand. |\n| abstract Class\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e | [type](/jvm/api_docs/java/org/tensorflow/Operand#type())() Returns the tensor type of this operand |\n\nFrom interface [org.tensorflow.ndarray.Shaped](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped) \n\n|-------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract int | [rank](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#rank())() |\n| abstract [Shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shape) | [shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#shape())() |\n| abstract long | [size](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#size())() Computes and returns the total size of this container, in number of values. |\n\nConstants\n---------\n\n#### public static final String\n**OP_NAME**\n\nThe name of this op, as known by TensorFlow core engine \nConstant Value: \"DecodeGif\"\n\nPublic Methods\n--------------\n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e\n**asOutput**\n()\n\nReturns the symbolic handle of the tensor.\n\nInputs to TensorFlow operations are outputs of another TensorFlow operation. This method is\nused to obtain a symbolic handle that represents the computation of the input.\n\n\u003cbr /\u003e\n\n#### public static [DecodeGif](/jvm/api_docs/java/org/tensorflow/op/image/DecodeGif)\n**create**\n([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TString](/jvm/api_docs/java/org/tensorflow/types/TString)\\\u003e contents)\n\nFactory method to create a class wrapping a new DecodeGif operation. \n\n##### Parameters\n\n| scope | current scope |\n| contents | 0-D. The GIF-encoded image. |\n|----------|-----------------------------|\n\n##### Returns\n\n- a new instance of DecodeGif \n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TUint8](/jvm/api_docs/java/org/tensorflow/types/TUint8)\\\u003e\n**image**\n()\n\n4-D with shape \\`\\[num_frames, height, width, 3\\]\\`. RGB channel order."]]