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Virtual view synthesis is an important technique for multi-view 3D display. This makes that multi-view images for 3D display can be created by only two-view images. An efficient virtual view synthesis method was proposed based on disparity map and image interpolation. An adaptive weight stereo matching approach was adopted to obtain the initial disparity map. Cross-checking technique was utilized...
Detecting vanishing points in digital image is important for 3D reconstruction of a scene using no calibrated cameras. A new vanishing point detection algorithm based on twice Hough Transform was presented in this paper. Hough Transform has been recognized as one more popular method for the detection of straight lines. Firstly, the straight lines that in the image are detected by first Hough Transform...
An efficient measuring method for live plant leaf area was proposed based on image processing technique. Image geometric distortions were corrected firstly using mapping function. For this, Hough transformation was exploited to acquire the coordinates of quadrangle corner points in distorted image. Then, image segmentation was performed using threshold method. To eliminate the influence of holes in...
Mine fire poses a serious impact on production safety of the mine and personal safety. Mine fire includes internal and external fire. Current monitoring methods can not satisfy the safe production due to their lower accuracy and validity. A new method was proposed to monitor and forecast the mine external fire in this paper. The proposed method analyzed the mine fire infrared image and several parameters...
The process of background subtraction is always a key step in surveillance. Currently, the mixture of Gaussians (MOG) works well in the background modeling and has been widely used in practice. In this paper, some new additional constrains are imposed on the updating process of statistics of Gaussian models. To reduce computational cost, the numbers of Gaussian models are selected dynamically based...
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