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Robust audio localization with phase unwrapping
2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2017Most of multichannel sound source Direction Of Arrival (DOA) estimation algorithms suffer from spatial aliasing problems. The phase differences between a pair of microphones are wrapped beyond the spatial aliasing frequency. A common solution is to adjust the distance between the microphones to obtain a suitable aliasing frequency, and take only the ...
Kainan Chen +2 more
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PhaseNet: A Deep Convolutional Neural Network for Two-Dimensional Phase Unwrapping
IEEE Signal Processing Letters, 2019Phase unwrapping is a crucial signal processing problem in several applications that aims to restore original phase from the wrapped phase. In this letter, we propose a novel framework for unwrapping the phase using deep fully convolutional neural ...
G. Spoorthi +2 more
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SPIE Proceedings, 1987
An algorithm has been developed for phase unwrapping data that has significant noise content or phase variations. Existing unwrapping algorithms typically operate on a point by point basis. A faulty unwrapping decision will produce an error which will propagate through the rest of the array.
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An algorithm has been developed for phase unwrapping data that has significant noise content or phase variations. Existing unwrapping algorithms typically operate on a point by point basis. A faulty unwrapping decision will produce an error which will propagate through the rest of the array.
openaire +1 more source
A Phase Unwrapping Algorithm for Interferometric Phase Images
2015Phase unwrapping is the most complicated and unreliable stage of interferometric data processing, which is often used in remote sensing techniques. For real radar scenes, the phase unwrapping problem doesn’t have a unique solution due to phase discontinuity caused by the phase noise and aliasing.
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PHASE UNWRAPPING DEVICE AND PHASE UNWRAPPING METHOD
2022TANAKA TAICHI, HOSHUYAMA OSAMU
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A complementary binary code based phase unwrapping method
Optoelectronics LettersWen-Jie Li +5 more
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Robust phase unwrapping algorithm based on least squares
Optics and Lasers in Engineering, 2014Yuan Guo
exaly
Phase-unwrapping algorithm for the measurement of three-dimensional object shapes
Applied Optics, 1994Hong Zhao
exaly