The following publications are possibly variants of this publication:
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- Quaternion Exponent Moments and Their Invariants for Color ImageHong-Ying Yang, Lin-lin Liang, Yong-Wei Li, Xiang-Yang Wang. FUIN, 145(2):189-205, 2016. [doi]
- Quaternion polar harmonic Fourier moments for color imagesChun-peng Wang, Xingyuan Wang, Yongwei Li, Zhi-qiu Xia, Chuan Zhang. isci, 450:141-156, 2018. [doi]