Module imagingbook_plugins_book

Package Ch23_Image_Matching

Class Chamfer_Matching

java.lang.Object

Ch23_Image_Matching.Chamfer_Matching

All Implemented Interfaces:

PlugInFilter, JavaDocHelp

public class Chamfer_Matching
extends Object
implements PlugInFilter, JavaDocHelp

This ImageJ plugin demonstrates the use of the ChamferMatcher class. The active (search) image is assumed to be binary (checked). The reference (template) image is extracted from the required rectangular selection (ROI) in the search image and then corrupted with binary (salt-and-pepper) noise (i.e., a certain percentage of its pixels is randomly flipped). Increasing noise leads to poorer match results and matching eventually fails when the noise level is too high. Detected matches are shown as graphic overlays on the input image. Also, the matching score surface and its local minima are optionally displayed. See Sec. 23.2.3 (Alg. 23.3) of [1] for details on Chamfer matching.

[1] W. Burger, M.J. Burge, Digital Image Processing – An Algorithmic Introduction, 3rd ed, Springer (2022).

Version:

2022/12/16

See Also:

• ChamferMatcher
• LocalMinMaxFinder

Field Summary

Fields inherited from interface ij.plugin.filter.PlugInFilter

CONVERT_TO_FLOAT, DOES_16, DOES_32, DOES_8C, DOES_8G, DOES_ALL, DOES_RGB, DOES_STACKS, DONE, FINAL_PROCESSING, KEEP_THRESHOLD, NO_CHANGES, NO_IMAGE_REQUIRED, NO_UNDO, NO_UNDO_RESET, PARALLELIZE_IMAGES, PARALLELIZE_STACKS, ROI_REQUIRED, SNAPSHOT, STACK_REQUIRED, SUPPORTS_MASKING

Constructor Summary

Constructors

Constructor	Description
Chamfer_Matching()	Constructor, asks to open a predefined sample image if no other image is currently open.

Method Summary

Modifier and Type	Method	Description
void	run(ImageProcessor ipI)
int	setup(String arg, ImagePlus imp)

Methods inherited from class java.lang.Object

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

Methods inherited from interface imagingbook.core.jdoc.JavaDocHelp

getJavaDocUrl

Constructor Details

Chamfer_Matching

public Chamfer_Matching()

Constructor, asks to open a predefined sample image if no other image is currently open.

Method Details

setup

public int setup(String arg,
 ImagePlus imp)

Specified by:

setup in interface PlugInFilter

run

public void run(ImageProcessor ipI)

Specified by:

run in interface PlugInFilter