Update irpythermal.py dead_pixels_mask to also include hot pixels#4
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mdarnold1 wants to merge 1 commit into
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Update irpythermal.py dead_pixels_mask to also include hot pixels#4mdarnold1 wants to merge 1 commit into
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diminDDL
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Nov 19, 2025
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diminDDL
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Good idea, but on my end it detects way too many hot pixels for my liking on my camera:
python ./pyplot.py -r -o -12.3
Found a camera 0 with resolution 256x196
Waiting for camera to stabilize...
Min: 0.0, Max: 7528.0, Avg: 6297.91455078125
Min: 0.0, Max: 7551.0, Avg: 6312.3125
Camera is stable with std: 2.8034488371369637
Min: 0.0, Max: 7566.0, Avg: 6325.80419921875
Found 580 dead pixels
At: [[ 1 237]
[ 2 117]
[ 3 36]
...
[ 77 201]
[ 78 99]
[ 81 120]]
Maybe have separate hot and colt margins? Considering that hot pixels are usually not an issue maybe don't enable it by default and have a command line option to enable it if needed?
tdamsma
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Mar 24, 2026
irpythermal.py changes: - calibrate_raw() now detects both cold AND hot stuck pixels using symmetric 5% threshold (previously only detected cold pixels) Source: diminDDL/IR-Py-Thermal PR stawel#4 diminDDL#4 - Add save_calibration() and load_calibration() methods to persist reference frame and dead pixel mask as .npy files across restarts Source: MCMH2000/OpenHD_HT301_Driver noise_pattern_calibration.npy approach https://github.com/MCMH2000/OpenHD_HT301_Driver - Fix resource leak in find_device(): release cameras that don't match supported resolutions instead of leaving them open - Replace bare except with except Exception
This was referenced Mar 24, 2026
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