com.emphysic.myriad.core.data.ops

Class SobelOperation

java.lang.Object

com.emphysic.myriad.core.data.ops.ConvolutionOperation

com.emphysic.myriad.core.data.ops.SobelOperation

All Implemented Interfaces:

DatasetOperation, ObjectMap, com.esotericsoftware.kryo.KryoSerializable

Direct Known Subclasses:

PrewittOperation, ScharrOperation

public class SobelOperation
extends ConvolutionOperation

SobelOperation - applies the Sobel operator to an input. Primarily used for edge detection.

Field Summary

Fields

Modifier and Type	Field and Description
protected double[][]	Gx
protected double[][]	Gy
protected ConvolutionOperation	horizontal
protected ConvolutionOperation	vertical

Fields inherited from class com.emphysic.myriad.core.data.ops.ConvolutionOperation

kernel

Constructor Summary

Constructors

Constructor and Description
SobelOperation() Creates a new SobelOperation.

Method Summary

Modifier and Type	Method and Description
double[][]	getGx() Horizontal gradient kernel
double[][]	getGy() Vertical gradient kernel
ConvolutionOperation	getHorizontal() Horizontal ConvolutionOperation - applies the Gx kernel.
ConvolutionOperation	getVertical() Vertical ConvolutionOperation - applies the Gy kernel.
Dataset	run(Dataset input) Runs the Sobel operator on the input.

Methods inherited from class com.emphysic.myriad.core.data.ops.ConvolutionOperation

getHeight, getKernel, getObjectMap, getSerializationVersion, getVersion, getWidth, initCurrentVersion

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.emphysic.myriad.core.data.util.ObjectMap

init, initPreviousVersion, initUnknownVersion, load, read, save, write

Field Detail

Gx

protected double[][] Gx

Gy

protected double[][] Gy

horizontal

protected ConvolutionOperation horizontal

vertical

protected ConvolutionOperation vertical

Constructor Detail

SobelOperation

public SobelOperation()

Creates a new SobelOperation.

Method Detail

run

public Dataset run(Dataset input)

Runs the Sobel operator on the input.

Specified by:

run in interface DatasetOperation

Overrides:

run in class ConvolutionOperation

Parameters:

input - Dataset to convolve

Returns:

edge-enhanced Dataset, or null if input was null.

getGx

public double[][] getGx()

Horizontal gradient kernel

Returns:

horizontal gradient kernel

getGy

public double[][] getGy()

Vertical gradient kernel

Returns:

vertical gradient kernel

getHorizontal

public ConvolutionOperation getHorizontal()

Horizontal ConvolutionOperation - applies the Gx kernel.

Returns:

convolution operation that applies the horizontal gradient

getVertical

public ConvolutionOperation getVertical()

Vertical ConvolutionOperation - applies the Gy kernel.

Returns:

convolution operation that applies the vertical gradient