The statistical features of the texture images is computed directly from DCT coefficients, and used for image retrieval.
该方法在DCT压缩域,通过直接对DCT系数计算,获得图像纹理的统计特征,并作为检索的依据。
Methods Ultrasonic images of fatty and normal liver were identified by adopting texture analysis with statistical features and getting features parameter from gray histogram.
方法采用纹理分析法,从灰度直方图中提取特征参数,对脂肪肝和正常肝脏B超图像进行识别。
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