Invention Grant
- Patent Title: Method and apparatus for processing analytical-form compression noise in images with known statistics
- Patent Title (中): 用已知统计图像处理分析型压缩噪声的方法和装置
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Application No.: US11621889Application Date: 2007-01-10
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Publication No.: US07899263B2Publication Date: 2011-03-01
- Inventor: Dunling Li , Murray H. Loew
- Applicant: Dunling Li , Murray H. Loew
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Steven A. Shaw; W. James Brady; Frederick J. Telecky, Jr.
- Main IPC: G06K9/36
- IPC: G06K9/36 ; G06K9/46
Abstract:
Embodiments of the invention provide methods to calculate compression noise statistics of decompressed images in transform coding. They can be used in compressed image quality assessment, compression algorithm optimization, compression noise reduction, and other quantization and compression related applications.
Public/Granted literature
- US20080013847A1 Method and Apparatus for Processing Analytical-Form Compression Noise in Images with Known Statistics Public/Granted day:2008-01-17
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