Methods and Devices for Coding or Decoding Image
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United States of America Patent
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Issued Date -
Feb 23, 2017
app pub date -
Feb 16, 2015
filing date -
Feb 16, 2014
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Abstract
Provided are methods and devices for coding or decoding an image. The coding method includes that: one coding manner is selected for predictive or matching coding of a current CU, according to characteristics of pixel samples of the current CU and an adjacent CU of the current CU, from A predetermined predictive coding manners and matching coding manners including at least one predictive coding manner with different prediction characteristics and matching coding manners with mutually different matching characteristics, and the selected coding manner is determined as an optimal coding manner, wherein the A predictive coding manners and matching coding manners include: a predictive coding manner, matching coding manner 1, matching coding manner 2, . . . and matching coding manner A-1, and A is an integer more than or equal to 2; and predictive coding or matching coding is performed on the current CU by adopting the optimal coding manner.
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