Canonical Huffman Coding Based Image Compression using Wavelet. - Rajiv Ranjan 002 (Wirel. Pers. Commun., 2021)

An Efficient Compression of Gray Scale Images Using Wavelet Transform. - Rajiv Ranjan 002; Prabhat Kumar (Wirel. Pers. Commun., 2022)

An Improved Image Compression Algorithm Using 2D DWT and PCA with Canonical Huffman Encoding. - Rajiv Ranjan 002; Prabhat Kumar (Entropy, 2023)