发明名称 |
Method and apparatus for error concealment for JPEG 2000 compressed images and data block-based video data |
摘要 |
A method for concealing errors in compressed images in the JPEG 2000 format diosclosed. JPEG2000 (ISO/IEC 15444) is the new standard for image compression catering to different needs of various applications. This standard is much more advanced than JPEG and is rich in features. An Error concealment method in JPEG 2000 is provided which mainly deals with estimating the lost regions in a Wavelet Transformed image and works in Wavelet Transform Domain. This results in optimum error concealment and therefore, The method is applied before taking Inverse DWT.
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申请公布号 |
US7693345(B2) |
申请公布日期 |
2010.04.06 |
申请号 |
US20050067855 |
申请日期 |
2005.02.28 |
申请人 |
NVIDIA CORPORATION |
发明人 |
PORE VINAYAK JAYARAM;PANVALKAR JAYA SHRIKRISHNA;KARANDIKAR PRAVIN GANGADHAR;NATH SHANTANU;CHAURASIA PARAG |
分类号 |
G06K9/40;G06K9/36 |
主分类号 |
G06K9/40 |
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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