Module imagingbook.common

Package imagingbook.common.mser.components

Class PixelMap

java.lang.Object

imagingbook.common.mser.components.PixelMap

public class PixelMap
extends Object

Basically a 2D array of pixels which holds all necessary information about the image geometry, keeps track of which pixels have been visited and knows how to access neighboring pixels (currently 4-neighborhood only).

Version:

2022/11/19

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	PixelMap.Pixel	A pixel value which knows its coordinates.

Field Summary

Fields

Modifier and Type	Field	Description
final int	height	Image height
final int	width	Image width

Constructor Summary

Constructors

Constructor	Description
PixelMap(ImageProcessor ip)	Constructor.

Method Summary

Modifier and Type	Method	Description
PixelMap.Pixel	getPixel(int u, int v)	Returns the PixelMap.Pixel instance at the specified position.
PixelMap.Pixel[]	getPixelVector()	Returns a new 1D array (i.e., a "flattened" vector in row-first order) of PixelMap.Pixel elements, e.g., for sorting pixels by value.

Methods inherited from class java.lang.Object

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

Field Details

width

public final int width

Image width

height

public final int height

Image height

Constructor Details

PixelMap

public PixelMap(ImageProcessor ip)

Constructor.

Parameters:

ip - source image

Method Details

getPixel

public PixelMap.Pixel getPixel(int u,
 int v)

Returns the PixelMap.Pixel instance at the specified position.

Parameters:

u - horizontal position

v - vertical position

Returns:

the PixelMap.Pixel instance

getPixelVector

public PixelMap.Pixel[] getPixelVector()

Returns a new 1D array (i.e., a "flattened" vector in row-first order) of PixelMap.Pixel elements, e.g., for sorting pixels by value.

Returns:

a 1D array of pixels