Wavelet Decomposition of b1 and b2 Images Using wavedec2() Function
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In this implementation, we can utilize the wavedec2() function to perform wavelet decomposition on both b1 and b2 images. The function employs the 'db1' (Haar) wavelet basis and decomposes the images to the third level, which generates approximation coefficients and detailed coefficients (horizontal, vertical, and diagonal) at each decomposition level. This multi-resolution analysis helps in capturing image features at different scales. Furthermore, we can implement image fusion by combining corresponding coefficients from both decomposed images using appropriate fusion rules (such as averaging or selecting maximum coefficients), then reconstruct the fused image using waverec2() function to better represent the relationship between the original images.
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