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1. 吉林大学, 通信学院,吉林 长春,130022
2. 中国科学院, 长春光学精密机械与物理研究所,吉林 长春,130033
收稿日期:2003-03-16,
修回日期:2003-06-07,
网络出版日期:2003-10-15,
纸质出版日期:2003-10-15
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顾海军, 林明秀, 宋建中, 赵晓晖, 王欣刚. 图像采集卡硬件参数基于熵的自动优化[J]. 光学精密工程, 2003,(5): 523-526
GU Hai-jun, LIN Ming-xiu, SONG Jian-zhong, ZHAO Xiao-hui, WANG Xin-gang. Automatic optimization of image board parameters based on entropy[J]. Editorial Office of Optics and Precision Engineering, 2003,(5): 523-526
为降低计算复杂度和系统响应时间
提出了图像采集卡硬件参数自动优化的工程实现算法。通过统计图像直方图两端的数据量获得信息熵的九种状态
并依据所处状态的不同对采集卡硬件参数进行动态调整
从而改变图像的亮度和对比度获得图像最大熵。实验结果表明在单帧时间延迟的条件下
此种方法可以完成对图像采集卡硬件参数的自适应优化。
In order to simplify computation and reduce system response time
an algorithm has been proposed for automatic optimization of image board parameters. Maximum entropy is obtained by establishing nine different states of image entropy from statistics at both ends of image histograms
dynamically adjusting the image board parameters in accordance with the states of image entropy
and then changing the brightness and contrast of images. Experimental results indicate that under the condition of single-frame time delay
this algorithm can be applied for adaptive optimization of image board parameters.
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