An image encryption algorithm based on XOR operation with approximation component in wavelet transform. - Piyush Kumar Singh; Ravi Shankar Singh; Kabindra Nath Rai (NCVPRIPG, 2015)

A Parallel Algorithm for Wavelet Transform-Based Color Image Compression. - Piyush Kumar Singh; Ravi Shankar Singh; Kabindra Nath Rai (J. Intell. Syst., 2018)

Digital image watermarking technique based on adaptive median filter and HL sub-band of two-stage DWT. - Rajeev Kumar; Piyush Kumar Singh; Jainath Yadav (Int. J. Comput. Aided Eng. Technol., 2023)

Prompt Smart, Pay Less: Cost-Aware APO for Real-World Applications. - Jayesh Choudhari; Piyush Kumar Singh; Douglas McIlwraith; Snehal Nair (CoRR, 2025)