公开(公告)号：US20150195579A1

公开(公告)日：2015-07-09

申请号：US14662737

申请日：2015-03-19

申请人： PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

发明人： Zhong XUE ,  Sheng Mei SHEN ,  Teck Wee FOO ,  Chak Joo LEE ,  Shinya KADONO

IPC分类号： H04N19/86 ,  H04N19/182 ,  H04N19/124

摘要： An image decoding apparatus is provided that decodes a coded image, the coded image being generated by coding an image segmented into a plurality of blocks on a block basis. The image decoding apparatus includes a quantization parameter obtaining unit that obtains a quantization parameter for each block of the plurality of blocks, a decoding unit that decodes the coded image to obtain a reconstructed image, and a pixel difference value obtaining unit that obtains a pixel difference value. The image decoding apparatus also includes a comparing unit that compares the pixel difference value with a threshold value, and a removing unit that removes a coding distortion in an area disposed on both sides of a block boundary between the first block and the second block, by applying a filter for coding distortion removal.

摘要翻译： 提供一种图像解码装置，其对编码图像进行解码，所述编码图像是通过以块为基础对分割成多个块的图像进行编码而生成的。 图像解码装置包括获取多个块中的每个块的量化参数的量化参数获取单元，对编码图像进行解码以获得重构图像的解码单元和获得像素差异的像素差值获取单元 值。 图像解码装置还包括将像素差值与阈值进行比较的比较单元，以及去除第一块和第二块之间的块边界两侧的区域中的编码失真的去除单元，通过 应用滤波器进行编码失真去除。