A new coupled fourth-order telegraph diffusion model using grayscale indicators outperforms prior second-order and fourth-order PDE despeckling methods on grayscale, SAR, ultrasound, and color images according to PSNR, MSSIM, and Speckle Index.
A gray level indicator-based reg- ularized telegraph diffusion model: Application to image despeckling,
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Weighted and coupled second- and fourth-order PDE models outperform existing telegraph diffusion models for speckle removal across grayscale, color, SAR, and ultrasound images.
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A Coupled Fourth Order Telegraph Diffusion Framework Using Grayscale Indicators for Image Despeckling
A new coupled fourth-order telegraph diffusion model using grayscale indicators outperforms prior second-order and fourth-order PDE despeckling methods on grayscale, SAR, ultrasound, and color images according to PSNR, MSSIM, and Speckle Index.
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Comparative Study of Weighted and Coupled Second- and Fourth-Order PDEs for Image Despeckling in Grayscale, Color, SAR, and Ultrasound
Weighted and coupled second- and fourth-order PDE models outperform existing telegraph diffusion models for speckle removal across grayscale, color, SAR, and ultrasound images.