发明名称 |
Image processing device, method, and program |
摘要 |
<p>An image processing device includes: a step calculator configured to calculate, as a step, a difference in pixel values of pixels in a neighborhood with respect to each pixel in an image; a classifier configured to classify the pixels into classes for areas of the steps; a boundary ratio calculator configured to calculate, as a boundary ratio, a ratio of the number of pixels at a block boundary for each of the classes; and a block noise strength determinator configured to determine, as a block noise strength of the image, the step that is larger than a predetermined threshold and that is at a class having a largest value.</p> |
申请公布号 |
EP2101505(A2) |
申请公布日期 |
2009.09.16 |
申请号 |
EP20090003496 |
申请日期 |
2009.03.10 |
申请人 |
SONY CORPORATION |
发明人 |
AOYAMA, KOJI;WATANABE, HIDEKI;YAMAJO, HIROAKI;KUROKAWA, MASUYOSHI |
分类号 |
H04N19/117;H04N19/00;H04N19/134;H04N19/136;H04N19/142;H04N19/167;H04N19/189;H04N19/196;H04N19/423;H04N19/625;H04N19/80;H04N19/86;H04N19/87 |
主分类号 |
H04N19/117 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|