MantisBT - ITK | |||||
View Issue Details | |||||
ID | Project | Category | View Status | Date Submitted | Last Update |
0009431 | ITK | public | 2009-08-17 06:56 | 2010-10-21 12:31 | |
Reporter | Charl Botha | ||||
Assigned To | Bradley Lowekamp | ||||
Priority | normal | Severity | major | Reproducibility | always |
Status | closed | Resolution | fixed | ||
Platform | OS | OS Version | |||
Product Version | |||||
Target Version | Fixed in Version | ||||
Resolution Date | |||||
Sprint | |||||
Sprint Status | |||||
Summary | 0009431: CannyEdgeDetectionImageFilter gives different output for same parameters and input after repeated runs | ||||
Description | In short, the canny filter's behaviour changes depending on whether it has been freshly instantiated or whether it has been used with a different parameter setting before. Setting the threshold back to a previous value after having executed the filter with different values will yield incorrect results. Running the attached Python script on Insight/Testing/Data/Input/cthead1.png yields 4 images on disc, of which canny_t0.png and canny_t0_after.png should be identical, as they are using the same thresholds, and otherwise identical parameters. However, they are wildly different, see the attached images. | ||||
Steps To Reproduce | |||||
Additional Information | |||||
Tags | No tags attached. | ||||
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Attached Files | CannyEdgeDetectionImageFilter_repeat_bug.py (1,102) 2009-08-17 06:56 https://public.kitware.com/Bug/file/2414/CannyEdgeDetectionImageFilter_repeat_bug.py canny_t0.png (10,986) 2009-08-17 06:57 https://public.kitware.com/Bug/file/2415/canny_t0.png canny_t0_after.png (15,670) 2009-08-17 06:57 https://public.kitware.com/Bug/file/2416/canny_t0_after.png | ||||
Issue History | |||||
Date Modified | Username | Field | Change | ||
2009-08-17 06:56 | Charl Botha | New Issue | |||
2009-08-17 06:56 | Charl Botha | File Added: CannyEdgeDetectionImageFilter_repeat_bug.py | |||
2009-08-17 06:57 | Charl Botha | File Added: canny_t0.png | |||
2009-08-17 06:57 | Charl Botha | File Added: canny_t0_after.png | |||
2009-08-17 07:57 | Bradley Lowekamp | Note Added: 0017143 | |||
2009-08-17 08:05 | Charl Botha | Note Added: 0017144 | |||
2009-08-17 08:20 | Bradley Lowekamp | Note Added: 0017145 | |||
2009-08-17 08:20 | Bradley Lowekamp | Note Edited: 0017145 | |||
2009-08-17 10:05 | Bradley Lowekamp | Note Added: 0017148 | |||
2009-08-17 10:14 | Luis Ibanez | Project | @1@ => ITK | ||
2009-08-17 10:14 | Luis Ibanez | Status | new => assigned | ||
2009-08-17 10:14 | Luis Ibanez | Assigned To | => Bradley Lowekamp | ||
2009-08-17 10:35 | Bradley Lowekamp | Status | assigned => confirmed | ||
2009-08-18 14:41 | Bradley Lowekamp | Note Added: 0017156 | |||
2009-08-18 14:41 | Bradley Lowekamp | Status | confirmed => resolved | ||
2009-08-18 14:41 | Bradley Lowekamp | Resolution | open => fixed | ||
2010-10-21 12:31 | Gabe Hart | Status | resolved => closed |
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