High-Quality Medical Image Compression Using Discrete Orthogonal Cosine Stockwell Transform and Optimal Integer Bit Allocated Quantization. - Vikrant Singh Thakur; Kavita Thakur; Shubhrata Gupta (MIKE, 2017)

Hybrid WPT-BDCT transform for high-quality image compression. - Vikrant Singh Thakur; Shubhrata Gupta; Kavita Thakur (IET Image Process., 2017)

Improved Optimum Nonnegative Integer Bit Allocation Algorithm Using Fuzzy Domain Variance Estimation and Refinement for the Wavelet-Based Image Compression. - Vikrant Singh Thakur; Kavita Thakur; Shubhrata Gupta; Kamisetty Ramamohan Rao (Circuits Syst. Signal Process., 2019)

Image-independent optimal non-negative integer bit allocation technique for the DCT-based image transform coders. - Vikrant Singh Thakur; Kavita Thakur; Shubhrata Gupta; Kamisetty R. Rao (IET Image Process., 2020)

An improved symbol reduction technique based Huffman coder for efficient entropy coding in the transform coders. - Vikrant Singh Thakur; Kavita Thakur; Shubhrata Gupta (IET Image Process., 2021)