Abstract
Nonlinear processing of high-dimensional data is quite common in image filtering algorithms. Bilateral, joint bilateral, and non-local means filters are the examples of the same. Real-time implementation of high-dimensional filters has always been a research challenge due to its computational complexity. In this paper, we have proposed a solution utilizing both color sparseness and color dominance in an image which ensures a faster algorithm for generic high-dimensional filtering. The solution speeds up the filtering algorithm further by psycho-visual saliency-based deep encoded dominant color gamut, learned for different subject classes of images. The proposed bilateral filter has been proved to be efficient both in terms of psycho-visual quality and performance for edge-preserving smoothing and denoising of color images. The results demonstrate competitiveness of our proposed solution with the existing fast bilateral algorithms in terms of the CTQ (critical to quality) parameters.
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The authors are thankful to Pallavi Saha for helping us in data collection, annotation, and simulation.
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Das, A., Shylaja, S.S. CDDA: color-dominant deep autoencoder for faster and efficient bilateral image filtering. SIViP 15, 1189–1195 (2021). https://doi.org/10.1007/s11760-020-01848-4
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DOI: https://doi.org/10.1007/s11760-020-01848-4