VIDEO TRANSMISSION BASED ON INDEPENDENTLY ENCODED BACKGROUND UPDATES

摘要

Systems and methods are provided for alleviating bandwidth limitations of video transmission and enhancing the quality of videos at a receiver. In particular, an improved video transmission system is provided for generating high-resolution videos. The systems have therein a transmitter and a receiver; the transmitter includes an outer encoder and a core encoder, while the receiver includes a core decoder and an outer decoder. The outer encoder is adapted to receive the video from a source and separately output a salient video and an encoded background, and the outer decoder is adapted to merge the background with the salient video thereby producing an enhanced video. Also provided is a system that simulates pan-tilt-zoom (PTZ) operations without PTZ hardware. Further provided are methods for video transmission whereby a background model is initialized, a background independently encoded, updated incrementally, and the background and the updates transmitted independently from the video.

主权项

1. A method for transmitting a video of a scene, comprising: initializing a background model by determining from said video a static background of said scene; and transmitting a background of said scene as said background model by encoding said background model independently from said video, wherein said background model is incrementally updated, and wherein said update is further encoded and transmitted independently from said video.