org.deeplearning4j.util

Class MovingWindowMatrix

java.lang.Object

org.deeplearning4j.util.MovingWindowMatrix

public class MovingWindowMatrix
extends 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

Author:

Adam Gibson

Constructor Summary

Constructors

Constructor and Description
MovingWindowMatrix(INDArray toSlice, int windowRowSize, int windowColumnSize) Same as calling new MovingWindowMatrix(toSlice,windowRowSize,windowColumnSize,false)
MovingWindowMatrix(INDArray toSlice, int windowRowSize, int windowColumnSize, boolean addRotate)

Method Summary

Modifier and Type	Method and Description
List<INDArray>	windows() Returns a list of non flattened moving window matrices
List<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(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(INDArray toSlice,
                          int windowRowSize,
                          int windowColumnSize)

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

Parameters:

toSlice -

windowRowSize -

windowColumnSize -

Method Detail

windows

public List<INDArray> windows()

Returns a list of non flattened moving window matrices

Returns:

the list of matrices

windows

public List<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