白丝美女被狂躁免费视频网站,500av导航大全精品,yw.193.cnc爆乳尤物未满,97se亚洲综合色区,аⅴ天堂中文在线网官网

Framework for video conferencing based on face restoration

專利號
US11659193B2
公開日期
2023-05-23
申請人
TENCENT AMERICA LLC(US CA Palo Alto)
發(fā)明人
Wei Jiang; Wei Wang; Shan Liu
IPC分類
H04N19/29; H04N19/30; H04N19/85; H04N19/17; G06T3/40; G06T7/62; G06V40/16; G06N3/045
技術(shù)領(lǐng)域
video,efa,facial,prediction,coded,landmark,intra,in,picture,be
地域: CA CA Palo Alto

摘要

There is included a method and apparatus comprising computer code configured to cause a processor or processors to perform obtaining video data, detecting at least one face from at least one frame of the video data, determining a set of facial landmark features of the at least one face from the at least one frame of the video data, and coding the video data at least partly by a neural network based on the determined set of facial landmark features.

說明書

As S101, given an input video sequence X=x1, x2, . . . , such as data 121, a Face Detection & Facial Landmark Extraction module 122 first, at S102 determines one or a plurality of valid faces from each video frame xi. In one embodiment, only the most prominent (e.g., largest) face are detected, and in another embodiment, all faces in the frame satisfying a condition (e.g., with a large enough size exceeding a threshold) are detected. At S103, for the j-th face in xi, a set of facial landmarks are determined and a set of facial landmark features fl,i,j, are computed correspondingly, which will be used by the decoder for restoring the j-th face in xi. At S103, all facial landmark features of all faces are put together as Fl,i=fl,i,1, fl,i,2, . . . , data 124, which is encoded and transmitted by a Landmark Feature Compression & Transmission module 126. At S105, at the same time, for the j-th face in xi, an Extended Face Area (EFA) can be computed by extending the bounding area (boundary as a rectangle, eclipse, or fine-grained segmentation boundary) of the original detected face to include additional hair, body parts, or even backgrounds. At S106 and S107, a set of EFA features fb,i,j can be computed correspondingly, which will be used by the decoder for restoring the EFA of the j-th face in xi. At S107, all EFA features of all faces are put together as Fb,i=fb,i,1, fb,i,2, . . . , data 125, which is encoded and transmitted by an EFA Compression & Transmission module 127.

權(quán)利要求

1
微信群二維碼
意見反饋