Studies on Automatic Image Segmentation Method for Canopy Density Measurement of Chinese Alligator (Alligator sinensis) Habitat
Studies on Automatic Image Segmentation Method for Canopy Density Measurement of Chinese Alligator (Alligator sinensis) Habitat
Ke Sun, Guangwei Fan, Yujie Zhang, Ji Luo, Xiaobing Wu and Tao Pan*
Fig. 1.
Distribution map of Chinese alligator.
Fig. 2.
Image for canopy degree detection.
Fig. 3.
Gray histogram of three canopy density images.
Fig. 4.
Histogram process for noise peak elimination.
Fig. 5.
Absolute error of canopy density calculating using self-adaptive bimodal threshold segmentation method with different best threshold position parameter.
Fig. 6.
Measuring accuracy of different automatic threshold segmenting methods.
Fig. 7.
Segmentation result of self-adaptive bimodal threshold segmentation method for images taken on the cloudy day and the sunny day.
Fig. 8.
Segmentation result of self-adaptive bimodal threshold segmentation method for images taken from the place with different canopy density.
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