Topics
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What a digital image actually is (arrays, tensors, channels)
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Grayscale vs RGB vs RGBA
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Color spaces: RGB, BGR, HSV, LAB — why conversions matter
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Image resolution, aspect ratio, DPI
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Pixel intensity scaling & normalization
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Understanding histograms (contrast, exposure, dynamic range)
Practical Work
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Load and inspect images with OpenCV
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Convert between color spaces
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Visualize histograms and adjust brightness/contrast