Advanced Techniques for Liver Fibrosis Detection: Spectral Photoacoustic Imaging and Superpixel Photoacoustic Unmixing Analysis for Collagen Tracking. - Laith R. Sultan; Valeria Grasso; Jithin Jose; Maryam Al-Hasani; Mrigendra B. Karmacharya; Chandra M. Sehgal (Sensors, 2024)