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Improved Local Segmentation Method for Image Quality Evaluation
Author(s): 
Pages: 268-271
Year: Issue:  8
Journal: Computer Simulation

Abstract: 研究了图像质量评估精度问题.针对图像采集,压缩传输中出现的畸变,在视觉上的感受特征不清,导致了图像效果差,难以识别图像特征.提出了一种全新的针对JPEG编码压缩并利用基于局部特征和分割的无参照模型图像质量评价模型,给出了对训练和测试样本集设置分割阈值的新方法.首先通过粒子群优化算法(PSO)方法对图像进行分割,然后针对不同区域,计算不同特征值,最后依据特征值计算整幅图像所对应的质量评估值.方法具有...
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