Method and device for obtaining temporal motion vector, inter-frame prediction, and video coding
A technology of motion vector and acquisition method, which is applied in the fields of inter-frame prediction, video coding, and time-domain motion vector acquisition, and can solve problems affecting the accuracy of inter-frame prediction, etc.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0092] In this embodiment, the Merge mode is used for inter prediction. see Figure 9 , Figure 9 It is a schematic diagram of time-domain motion vector scaling in the embodiment of the present application. In this embodiment, C0 and K0 at the lower right corner of C0 are selected as candidate location blocks. If these two locations are not available, the C1 location is selected, and the candidate location block is confirmed according to the search order of C0->K0->C1. available.
[0093] Two reference frames cur_ref0 and cur_ref1 are designated and selected from the reference frame list list0 of the current frame to obtain the distances td0 and td1 between the current frame and the reference frame of the current frame.
[0094] Two col_ref0 and col_ref1 closest to the current frame are selected to obtain the distances tb0 and tb1 between the co-located frame and the reference frames (col_ref0 and col_ref1) of the co-located frame.
[0095] In the co-located frame, the tim...
Embodiment 2
[0099] In this embodiment, the Merge mode is used for inter prediction. And use scheme c to obtain the reference frame of the current frame, use scheme D to select the co-located frame, select the co-located block corresponding to C0, A0, A1, B2, D2 in the co-located frame, and follow C0->A0->A1->B2 -> The search order of D2 confirms whether the candidate location block is available. Assuming that the reference frames of A0 and D2 are cur_ref1 after the statistics of scheme c, the reference frames of A1 and B2 are both cur_ref0, and only one reference frame is taken, then since the order of A0 is the first, the reference frame is cur_ref1. Assuming that only one co-located frame is taken, and the first inter-frame coded block is A0 after searching in sequence through scheme D, then the co-located frame of A0 is taken as the co-located frame of the current coding block, and then the time domain of the co-located block is obtained. MV, the time domain MV of the current coding b...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com