imagej / imagej/ImageJ

Index error when performing Equalization of stacked histogram

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#271 1 comment 0 reactions 0 assignees View on GitHub
Dominant language
Java
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Forks
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Description

Hi,

Fiji just returns me a index out of bounds when applying a equalization of the stacked image with the stacked histogram, but my image contain the correct size.

# Error
(Fiji Is Just) ImageJ 2.16.0/1.54p; Java 1.8.0_322 [64-bit]; Windows 10 10.0; 437MB of 23552MB (1%)

java.lang.ArrayIndexOutOfBoundsException: 256
at ij.plugin.ContrastEnhancer.getWeightedValue(ContrastEnhancer.java:333)
at ij.plugin.ContrastEnhancer.equalize(ContrastEnhancer.java:316)
at ij.plugin.ContrastEnhancer.equalize(ContrastEnhancer.java:279)
at ij.plugin.ContrastEnhancer.run(ContrastEnhancer.java:33)
at ij.IJ.runPlugIn(IJ.java:216)
at ij.Executer.runCommand(Executer.java:152)
at ij.Executer.run(Executer.java:70)
at java.lang.Thread.run(Thread.java:750)

# Image info
(Fiji Is Just) ImageJ 2.16.0/1.54p; Java 1.8.0_322 [64-bit]; Windows 10 10.0; 451MB of 23552MB (1%)

Title: C4_ZDF_NM_14Oct2022_Acq002.img
Width: 258 pixels
Height: 258 pixels
Depth: 588 pixels
Size: 75MB
Voxel size: 1x1x1 pixel^3
ID: -29
Bits per pixel: 16 (signed, grayscale LUT)
Display range: -1789 - 15823
Raw pixel value range: -2099 - 17761
Image: 68/588
No threshold
ScaleToFit: false

Calibration function: y = a+bx
a: -32768.000000
b: 1.000000
Unit: "Gray Value"
Path: D:\Ratas Carol\Diabetica+Fructosa\4NM\C4_ZDF_NM_14Oct2022_Acq002.img
Screen location: 826,247 (1920x1080)
Coordinate origin: 0,0,0
No properties
No overlay

No selection

Contributor guide

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Research direction

Start with ij.plugin.ContrastEnhancer.getWeightedValue and the equalize entry points named in the stack trace, using the reported stacked 16-bit image configuration as the reproduction context. Confirm the index-out-of-bounds failure and verify that equalization of a stacked image with a stacked histogram completes without the exception.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
computer-vision
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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