发明名称 |
Method and system for automatic detection and display of aspect ratio |
摘要 |
Certain embodiments of the invention may be found in a method and system for automatic aspect ratio detection and may comprise scanning lines in at least a selected portion of an image and locating a first reference pixel in one of the scanned lines. A corresponding sliding sum and a sliding number may be generated starting from the first reference pixel and a white edge determined based on the generated sliding sum and/or the generated sliding number. The first reference pixel may be a non-black pixel and a value which corresponds to and defines non-black may be variably defined. The sliding sum and the sliding number may utilize m bins, where m is greater than one (1). A luma sum threshold may be compared with the generated sliding sum to locate the white edge for aspect ratio detection.
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申请公布号 |
US7339627(B2) |
申请公布日期 |
2008.03.04 |
申请号 |
US20040754311 |
申请日期 |
2004.01.09 |
申请人 |
BROADCOM CORPORATION |
发明人 |
SCHONER BRIAN;NEUMAN DARREN |
分类号 |
H04N5/46;G06K9/38;H04N5/14;H04N5/44 |
主分类号 |
H04N5/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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