Iqbal K, Khurshid K. Automatic Signature Extraction from Document Images using Hyperspectral Unmixing: Automatic Signature Extraction Using Hyperspectral Unmixing. PPASA [Internet]. 2021 Apr. 22 [cited 2024 Nov. 9];54(3):269–276. Available from: https://ppaspk.org/index.php/PPAS-A/article/view/227