Homomorphic filters are often applied to grayscale images in image processing because they are designed to enhance the contrast in an image by separating its illumination and reflectance components. When applied to color images, the filtering process may disrupt the natural color balance, leading to unintended color artifacts or distortions. Additionally, the complexity of handling multiple color channels makes the application of homomorphic filters on color images more challenging and less straightforward.
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Why Homomorphic filter is always applied on Gray-scale images? What will happen if a color image is input?
Homomorphic filters are often applied to grayscale images in image processing because they are designed to enhance the contrast in an image by separating its illumination and reflectance components. When applied to color images, the filtering process may disrupt the natural color balance, leading to unintended color artifacts or distortions. Additionally, the complexity of handling multiple color channels makes the application of homomorphic filters on color images more challenging and less straightforward.
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