Invention Grant
- Patent Title: Method and apparatus for noise reduction in video systems
-
Application No.: US16988978Application Date: 2020-08-10
-
Publication No.: US11051046B2Publication Date: 2021-06-29
- Inventor: Soyeb Nagori , Shyam Jagannathan , Deepak Kumar Poddar , Arun Shankar Kudana , Pramod Swami , Manoj Koul
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Ebby Abraham; Charles A. Brill; Frank D. Cimino
- Priority: IN3248/CHE/2013 20130722
- Main IPC: H04N19/86
- IPC: H04N19/86 ; H04N19/176 ; H04N19/117 ; H04N19/139 ; H04N19/82

Abstract:
The disclosure provides a noise filter. The noise filter includes a motion estimation (ME) engine. The ME receives a current frame and a reference frame. The current frame comprising a current block and the reference frame includes a plurality of reference blocks. The ME engine generates final motion vectors. The current block comprises a plurality of current pixels. A motion compensation unit generates a motion compensated block based on the final motion vectors and the reference frame. The motion compensated block includes a plurality of motion compensated pixels. A weighted average filter multiplies each current pixel of the plurality of current pixels and a corresponding motion compensated pixel of the plurality of motion compensated pixels with a first weight and a second weight respectively. The weighted average filter generates a filtered block. A blockiness removal unit is coupled to the weighted average filter and removes artifacts in the filtered block.
Public/Granted literature
- US20200374564A1 METHOD AND APPARATUS FOR NOISE REDUCTION IN VIDEO SYSTEMS Public/Granted day:2020-11-26
Information query