org.deeplearning4j.util

Class MovingWindowMatrix

java.lang.Object

org.deeplearning4j.util.MovingWindowMatrix

public class MovingWindowMatrix
extends java.lang.Object

Moving window on a matrix (usually used for images) Given a: This is a list of flattened arrays: 1 1 1 1 1 1 2 2 2 2 2 2 ----> 1 1 2 2 3 3 3 3 3 3 4 4 4 4 4 4 3 3 4 4

Constructor Summary

Constructors

Constructor and Description
MovingWindowMatrix(org.nd4j.linalg.api.ndarray.INDArray toSlice, int windowRowSize, int windowColumnSize) Same as calling new MovingWindowMatrix(toSlice,windowRowSize,windowColumnSize,false)
MovingWindowMatrix(org.nd4j.linalg.api.ndarray.INDArray toSlice, int windowRowSize, int windowColumnSize, boolean addRotate)

Method Summary

Modifier and Type	Method and Description
java.util.List<org.nd4j.linalg.api.ndarray.INDArray>	windows() Returns a list of non flattened moving window matrices
java.util.List<org.nd4j.linalg.api.ndarray.INDArray>	windows(boolean flattened) Moving window, capture a row x column moving window of a given matrix

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MovingWindowMatrix

public MovingWindowMatrix(org.nd4j.linalg.api.ndarray.INDArray toSlice,
                          int windowRowSize,
                          int windowColumnSize,
                          boolean addRotate)

Parameters:

toSlice - matrix to slice

windowRowSize - the number of rows in each window

windowColumnSize - the number of columns in each window

addRotate - whether to add the possible rotations of each moving window

MovingWindowMatrix

public MovingWindowMatrix(org.nd4j.linalg.api.ndarray.INDArray toSlice,
                          int windowRowSize,
                          int windowColumnSize)

Same as calling new MovingWindowMatrix(toSlice,windowRowSize,windowColumnSize,false)

Parameters:

toSlice -

windowRowSize -

windowColumnSize -

Method Detail

windows

public java.util.List<org.nd4j.linalg.api.ndarray.INDArray> windows()

Returns a list of non flattened moving window matrices

Returns:

the list of matrices

windows

public java.util.List<org.nd4j.linalg.api.ndarray.INDArray> windows(boolean flattened)

Moving window, capture a row x column moving window of a given matrix

Parameters:

flattened - whether the arrays should be flattened or not

Returns:

the list of moving windows