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https://github.com/dgtlmoon/changedetection.io.git
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dgtlmoon
33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
"""
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Visual/screenshot change detection using fast image comparison algorithms.
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This processor compares screenshots using OpenCV (cv2.absdiff),
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which is 10-100x faster than SSIM while still detecting meaningful visual changes.
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"""
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import os
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from pathlib import Path
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processor_description = "Visual/Screenshot change detection (Fast)"
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processor_name = "image_ssim_diff"
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processor_weight = 2 # Lower weight = appears at top, heavier weight = appears lower (bottom)
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PROCESSOR_CONFIG_NAME = f"{Path(__file__).parent.name}.json"
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# Subprocess timeout settings
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# Maximum time to wait for subprocess operations (seconds)
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POLL_TIMEOUT_ABSOLUTE = int(os.getenv('OPENCV_SUBPROCESS_TIMEOUT', '20'))
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# Template tracking filename
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CROPPED_IMAGE_TEMPLATE_FILENAME = 'cropped_image_template.png'
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SCREENSHOT_COMPARISON_THRESHOLD_OPTIONS = [
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('200', 'Low sensitivity (only major changes)'),
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('80', 'Medium sensitivity (moderate changes - recommended)'),
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('20', 'High sensitivity (small changes)'),
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('0', 'Very high sensitivity (any change)')
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]
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SCREENSHOT_COMPARISON_THRESHOLD_OPTIONS_DEFAULT=0.999
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OPENCV_BLUR_SIGMA=float(os.getenv("OPENCV_BLUR_SIGMA", "3.0"))
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