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"A Quaternion Gradient Operator and Its Applications."
Danilo P. Mandic, Cyrus Jahanchahi, Clive Cheong Took (2011)
- Danilo P. Mandic, Cyrus Jahanchahi, Clive Cheong Took:
A Quaternion Gradient Operator and Its Applications. IEEE Signal Process. Lett. 18(1): 47-50 (2011)
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