Registered
METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE, AND RECORDING MEDIUM FOR STORING BITSTREAM
- Inventors
-
Jun Dong-San, Lee Hahyun, Kang Jung Won, Hyunsuk Ko, Sung-Chang Lim, Jinho Lee, Cho Seunghyun, Kim Hui Yong, Choi Jin Soo
- Application No.
-
16336264 (2017.09.26)
- Publication No.
-
20190246103 (2019.08.08)
- Registration No.
- 11477442 (2022.10.18)
- Country
- UNITED STATES
- Project Code
-
16MR2100, Development and Standardization of 5th Generation Video/Audio Coding Technology for Ultra Gifh Quality Media Services,
Kim Hui Yong
- Abstract
- An image encoding method and an image decoding method are provided. The image decoding method includes deriving a temporal merge candidate from a co-located block of a current block, generating a merge candidate list of the current block based on the derived temporal merge candidate, and generating a prediction block of the current block based on the generated merge candidate list. The deriving a temporal merge candidate includes scaling a motion vector derived from the co-located block based on a POC difference value between the current block and a reference picture of the current block and a POC difference value between the co-located block and a reference picture of the co-located block, and modifying the scaled motion vector based on motion vector scaling information between a neighboring block of the current block and a co-located block of the neighboring block.