a fast contour detection model inspired by biological mechanisms in primary vision system
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ID: 199600
2018
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Abstract
Compared to computer vision systems, the human visual system is more fast and accurate. It is well accepted that V1 neurons can well encode contour information. There are plenty of computational models about contour detection based on the mechanism of the V1 neurons. Multiple-cue inhibition operator is one well-known model, which is based on the mechanism of V1 neurons' non-classical receptive fields. However, this model is time-consuming and noisy. To solve these two problems, we propose an improved model which integrates some additional other mechanisms of the primary vision system. Firstly, based on the knowledge that the salient contours only occupy a small portion of the whole image, the prior filtering is introduced to decrease the running time. Secondly, based on the physiological finding that nearby neurons often have highly correlated responses and thus include redundant information, we adopt the uniform samplings to speed up the algorithm. Thirdly, sparse coding is introduced to suppress the unwanted noises. Finally, to validate the performance, we test it on Berkeley Segmentation Data Set. The results show that the improved model can decrease running time as well as keep the accuracy of the contour detection.
| Reference Key |
kang2018frontiersa
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|---|---|
| Authors | ;Xiaomei Kang;Xiaomei Kang;Qingqun Kong;Qingqun Kong;Yi Zeng;Yi Zeng;Yi Zeng;Yi Zeng;Bo Xu;Bo Xu;Bo Xu |
| Journal | population health management |
| Year | 2018 |
| DOI |
10.3389/fncom.2018.00028
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| URL | |
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