The following publications are possibly variants of this publication:
- Field Programmable Gate Arrays (FPGA) for Pixel Purity Index Using Blocks of Skewers for Endmember Extraction in Hyperspectral ImageryMingkai Hsueh, Chein-I Chang. ijhpca, 22(4):408-423, 2008. [doi]
- Parallel Optimization of Pixel Purity Index Algorithm for Hyperspectral Unmixing Based on SparkJinping Gu, Zebin Wu, Yonglong Li, Yufeng Chen, Zhihui Wei, Wubin Wang. cbd 2015: 159-166 [doi]
- Fast FPGA Implementation for Computing the Pixel Purity Index of Hyperspectral ImagesJie Guo, Yunsong Li, Kai Liu, Jie Lei, Keyan Wang. jcsc, 27(3):1-10, 2018. [doi]
- Progressive Band Processing of Fast Iterative Pixel Purity Index for Finding EndmembersChein-I Chang, Yao Li, Yulei Wang. lgrs, 14(9):1464-1468, 2017. [doi]
- Iterative Pixel Purity IndexChein-I Chang, Chao-Cheng Wu. whispers 2012: 1-4 [doi]
- Random Pixel Purity IndexChein-I Chang, Chao-Cheng Wu, Hsian-Min Chen. lgrs, 7(2):324-328, 2010. [doi]