NearestNeighbors
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Seleciona os k centros mais próximos para cada ponto.
As linhas de pontos são consideradas pontos de entrada. As linhas de centros são consideradas a lista de centros candidatos. Para cada ponto, são calculados os k centros que possuem menor distância L2 até ele.
Constantes
| Corda | OP_NAME | O nome desta operação, conforme conhecido pelo mecanismo principal do TensorFlow |
Métodos herdados
Da classe java.lang.Object | boleano | é igual (objeto arg0) |
| aula final<?> | getClass () |
| interno | código hash () |
| vazio final | notificar () |
| vazio final | notificar todos () |
| Corda | para sequenciar () |
| vazio final | espere (long arg0, int arg1) |
| vazio final | espere (arg0 longo) |
| vazio final | espere () |
Constantes
String final estática pública OP_NAME
O nome desta operação, conforme conhecido pelo mecanismo principal do TensorFlow
Valor constante: "NearestNeighbors"
Métodos Públicos
Método de fábrica para criar uma classe que envolve uma nova operação NearestNeighbors.
Parâmetros
| escopo | escopo atual |
|---|
| pontos | Matriz de forma (n, d). As linhas são consideradas pontos de entrada. |
|---|
| centros | Matriz de forma (m, d). As linhas são consideradas centros. |
|---|
| k | Número de centros mais próximos a serem retornados para cada ponto. Se k for maior que m, apenas m centros serão retornados. |
|---|
Devoluções
- uma nova instância de NearestNeighbours
Saída pública <TFloat32> mais próximaCenterDistances ()
Matriz de forma (n, min(m, k)). Cada linha contém a distância L2 quadrada ao centro correspondente em índices_centro_mais próximos.
Saída pública < TInt64 > mais próximoCenterIndices ()
Matriz de forma (n, min(m, k)). Cada linha contém os índices dos centros mais próximos do ponto correspondente, ordenados por distância crescente.
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Última atualização 2025-07-26 UTC.
[null,null,["Última atualização 2025-07-26 UTC."],[],[],null,["# NearestNeighbors\n\npublic final class **NearestNeighbors** \nSelects the k nearest centers for each point.\n\n\nRows of points are assumed to be input points. Rows of centers are assumed to be\nthe list of candidate centers. For each point, the k centers that have least L2\ndistance to it are computed.\n\n\u003cbr /\u003e\n\n### Constants\n\n|--------|--------------------------------------------------------------------------------|---------------------------------------------------------|\n| String | [OP_NAME](/jvm/api_docs/java/org/tensorflow/op/image/NearestNeighbors#OP_NAME) | The name of this op, as known by TensorFlow core engine |\n\n### Public Methods\n\n|--------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| static [NearestNeighbors](/jvm/api_docs/java/org/tensorflow/op/image/NearestNeighbors) | [create](/jvm/api_docs/java/org/tensorflow/op/image/NearestNeighbors#create(org.tensorflow.op.Scope, org.tensorflow.Operand\u003corg.tensorflow.types.TFloat32\u003e, org.tensorflow.Operand\u003corg.tensorflow.types.TFloat32\u003e, org.tensorflow.Operand\u003corg.tensorflow.types.TInt64\u003e))([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TFloat32](/jvm/api_docs/java/org/tensorflow/types/TFloat32)\\\u003e points, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TFloat32](/jvm/api_docs/java/org/tensorflow/types/TFloat32)\\\u003e centers, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TInt64](/jvm/api_docs/java/org/tensorflow/types/TInt64)\\\u003e k) Factory method to create a class wrapping a new NearestNeighbors operation. |\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TFloat32](/jvm/api_docs/java/org/tensorflow/types/TFloat32)\\\u003e | [nearestCenterDistances](/jvm/api_docs/java/org/tensorflow/op/image/NearestNeighbors#nearestCenterDistances())() Matrix of shape (n, min(m, k)). |\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TInt64](/jvm/api_docs/java/org/tensorflow/types/TInt64)\\\u003e | [nearestCenterIndices](/jvm/api_docs/java/org/tensorflow/op/image/NearestNeighbors#nearestCenterIndices())() Matrix of shape (n, min(m, k)). |\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\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: \"NearestNeighbors\"\n\nPublic Methods\n--------------\n\n#### public static [NearestNeighbors](/jvm/api_docs/java/org/tensorflow/op/image/NearestNeighbors)\n**create**\n([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TFloat32](/jvm/api_docs/java/org/tensorflow/types/TFloat32)\\\u003e points, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TFloat32](/jvm/api_docs/java/org/tensorflow/types/TFloat32)\\\u003e centers, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003c[TInt64](/jvm/api_docs/java/org/tensorflow/types/TInt64)\\\u003e k)\n\nFactory method to create a class wrapping a new NearestNeighbors operation. \n\n##### Parameters\n\n| scope | current scope |\n| points | Matrix of shape (n, d). Rows are assumed to be input points. |\n| centers | Matrix of shape (m, d). Rows are assumed to be centers. |\n| k | Number of nearest centers to return for each point. If k is larger than m, then only m centers are returned. |\n|---------|--------------------------------------------------------------------------------------------------------------|\n\n##### Returns\n\n- a new instance of NearestNeighbors \n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TFloat32](/jvm/api_docs/java/org/tensorflow/types/TFloat32)\\\u003e\n**nearestCenterDistances**\n()\n\nMatrix of shape (n, min(m, k)). Each row contains the squared L2 distance to the\ncorresponding center in nearest_center_indices. \n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003c[TInt64](/jvm/api_docs/java/org/tensorflow/types/TInt64)\\\u003e\n**nearestCenterIndices**\n()\n\nMatrix of shape (n, min(m, k)). Each row contains the indices of the centers\nclosest to the corresponding point, ordered by increasing distance."]]
