Solving bird image overlapping for automatic population counts of birds using image processing

Nattapon Tidmerng, Wararat Songpan, Monlica Wattana
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引用次数: 3

Abstract

The counting bird population for assessment of the abundance of ecosystem is very important. The problem is overlapped bird in images. This research is purposed to solve bird image overlapping for counting population of birds using image processing. There are 4 techniques of image processing. Firstly, noisy dot and background are removed in bird image using multilevel thresholding. Secondly, the Region growing finds size of the bird by finding area value for segment of the image. Thirdly, the distance transform finds distance between images for segment of object. Finally, the erosion technique is used for object reduction which relationship of pixels in 4 directions. The experimental results have high precision as 0.96 and accuracy as 0.89 as recall 0.92 with different 6 images. The benefit of this research increases the performance of counting bird population which is one of the factors to discover an abundance of ecosystem.
利用图像处理技术解决鸟类图像重叠问题,实现鸟类自动种群计数
鸟类数量的统计对生态系统丰度的评价具有重要意义。问题是图像中的重叠鸟。本研究旨在利用图像处理技术解决鸟类图像重叠问题,实现鸟类种群统计。有4种图像处理技术。首先,采用多级阈值法去除鸟类图像中的噪点和背景;其次,区域增长算法通过寻找图像片段的面积值来确定鸟的大小。第三,距离变换求出目标段图像之间的距离。最后,利用侵蚀技术对4个方向像素之间的关系进行对象约简。实验结果表明,在不同的6幅图像下,精密度为0.96,正确率为0.89,查全率为0.92。这项研究的好处是提高了鸟类种群计数的性能,这是发现丰富生态系统的因素之一。
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