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Image compressing apparatus, image compressing method and program

  • US 20070217698A1
  • Filed: 03/12/2007
  • Published: 09/20/2007
  • Est. Priority Date: 03/15/2006
  • Status: Active Grant
First Claim
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1. An image compressing apparatus carrying out code amount control upon JPEG2000 coding, in which a number of coding passes and a code amount for each code block generated by a MQ (arithmetic) coder are input, and a number of coding passes and a code amount are determined based on a first code amount control standard and a second code amount control standard given for each code block, comprising:

  • a part using, for a specific code block, the second code amount control standard to determine the number of coding passes and the code amount, and using, for the other code blocks, the first code amount control standard to determine the number of coding passes and the code amount.

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