A Robust Optical Flow Calculation Method Based on Wavelet

Hongyan WANG; Jia ZHENG; Bingnan PEI

doi:10.11999/JEIT180077

Volume 40 Issue 12

Nov. 2018

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Article Navigation > Journal of Electronics & Information Technology > 2018 > 40(12): 2945-2953

Hongyan WANG, Jia ZHENG, Bingnan PEI. A Robust Optical Flow Calculation Method Based on Wavelet[J]. Journal of Electronics & Information Technology, 2018, 40(12): 2945-2953. doi: 10.11999/JEIT180077

Citation:

Hongyan WANG, Jia ZHENG, Bingnan PEI. A Robust Optical Flow Calculation Method Based on Wavelet[J]. Journal of Electronics & Information Technology, 2018, 40(12): 2945-2953. doi: 10.11999/JEIT180077

Hongyan WANG, Jia ZHENG, Bingnan PEI. A Robust Optical Flow Calculation Method Based on Wavelet[J]. Journal of Electronics & Information Technology, 2018, 40(12): 2945-2953. doi: 10.11999/JEIT180077

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A Robust Optical Flow Calculation Method Based on Wavelet

doi: 10.11999/JEIT180077

1.
Liaoning Engineering Laboratory of BeiDou High-precision Location Service, Dalian University, Dalian 116622, China
2.
Dalian Key Laboratory of Environmental Perception and Intelligent Control, Dalian University, Dalian 116622, China

Funds: The National Natural Science Foundation of China (61301258, 61271379), China Postdoctoral Science Foundation (2016M590218)

Received Date: 2018-01-19
Rev Recd Date: 2018-09-18

Available Online: 2018-09-21

Publish Date: 2018-12-01

Abstract

Abstract

Focusing on the issue that the systematic errors lead to poor robustness and low accuracy of optical flow calculation, a robust optical flow calculation method is proposed in this paper, which is based on the wavelet multi-resolution theory. With the multi-resolution characteristics of wavelet, the system error caused by variation of illumination conditions and sensor noise is incorporated into the calculation of optical flow to improve the robustness and estimation accuracy. In what follows, the total least square method is used to solve the over-determined wavelet optical flow equations to obtain the optical flow vector. As compared to the traditional Lucas-Kanade approach, Horn-Schunck method and optical flow estimation in omnidirectional images using wavelet approach, simulation results show that the proposed algorithm can significantly improve the accuracy of optical flow estimation and the robustness of the optical flow field.
- Optical flow calculation,
- Wavelet multi-resolution,
- System error,
- Total least squares

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References(22)

References

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