Mr. Peng Yan Profile

Peng Yan

at Institute of Optics and Electronics CAS

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Proceedings Article | 8 February 2005 Paper

Real-time target detection against strong background under daytime conditions

Zhenming Peng, Qiheng Zhang, Xianrong Peng, Junping Xu, Peng Yan

Proceedings Volume 5637, (2005) https://doi.org/10.1117/12.572424

KEYWORDS: Image segmentation, Target detection, Image enhancement, Imaging systems, Image processing, Detection and tracking algorithms, Target recognition, Optical filters, Binary data, Signal to noise ratio

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Real-time target detection against strong (bright) background under daytime is a challenging and leading edge subject, and also is a key technique for imaging tracking system. Strong background makes CCD image sensor work in critical saturation state, and imaging target contrast is very low. It's very difficult to accurately and stably track due to the complex characteristics of imaging target, such as strong clutter background, low contrast, and low signal to noise radio (SNR). So the key techniques for detecting and tracking target are eliminating the disturbance of diffuse reflection and beacon, synchronous detection, improving the performance of real-time image processing with high frame rate and high sampling rate. A robust strategy for detecting and tracking day-time target was proposed in this paper. A series of efficient approaches ware presented to improve performance of detection and tracking in precision and stability, including strong background and noise suppression, image enhancement, adaptive thresholding, region merging based on morphology, recognition and tracking algorithm and so on. In the end, we summarized and built the effictive flow for detecting and tracking target against strong background under daytime. The results of combining computer simulation with practical detection experiments show that the above-mentioned approaches are feasible and significant for real-time tracking system.

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