Patent ID: 11924455
Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The method of claim 1, wherein parsing the bitstream to obtain the coordinate information of the last significant coefficient comprises:
parsing the bitstream to obtain prefix information of a horizontal coordinate of the last significant coefficient, prefix information of a vertical coordinate of the last significant coefficient, suffix information of the horizontal coordinate of the last significant coefficient, and suffix information of the vertical coordinate of the last significant coefficient;
determining the horizontal coordinate of the last significant coefficient according to the prefix information of the horizontal coordinate of the last significant coefficient and the suffix information of the horizontal coordinate of the last significant coefficient;
determining the vertical coordinate of the last significant coefficient according to the prefix information of the vertical coordinate of the last significant coefficient and the suffix information of the vertical coordinate of the last significant coefficient; and
determining the coordinate information of the last significant coefficient according to the horizontal coordinate of the last significant coefficient and the vertical coordinate of the last significant coefficient.