@article{acoupledfourthordertelegraphdiffusionfra, title = {A Coupled Fourth Order Telegraph Diffusion Framework Using Grayscale Indicators for Image Despeckling}, author = {Manish Kumar and Rajendra K. Ray}, year = {2026}, eprint = {2605.00881}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.00881}, }