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To deal with the problem of inaccuracy in current object contour extraction algorithms, a new approach based on difference multiplication and Gradient Vector Flow (GVF) Snake is proposed. It firstly eliminates most background boundaries through difference multiplication of four consecutive frames. Then median filer is used to remove residual strong noise in the image. Finally, it operates the GVF...
This paper proposes a real-time object segmentation method based on SOFM network for MPEG compressed video. First, we introduce the macro-block structure of the MPEG encoded video and the preprocession of motion vectors, then the motion vectors are given as input to the self-organizing feature maps (SOFM) models which can automatically estimate the number of objects of the motion model, and the motion...
We propose a real-time object segmentation method based on Gaussian Mixture Model(GMM) for MPEG compressed video. Computational superiority and multi video objects are the main advantages of compressed domain processing. In the paper, first, we introduce the macro-block structure of the MPEG encoded video and the preprocession of video vectors, then we build a GMM of motion vectors and adopt the genetic-based...
We propose a real-time object segmentation method based on Gaussian mixture model(GMM) for MPEG compressed video. Computational superiority and multi video objects are the main advantages of compressed domain processing. In the paper, first, we introduce the macro-block structure of the MPEG encoded video and the preprocession of video vectors, then we build a GMM of motion vectors and adopt the genetic-based...
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