公开(公告)号：US20210182539A1

公开(公告)日：2021-06-17

申请号：US16712579

申请日：2019-12-12

Applicant: REALNETWORKS, INC.

Inventor： Reza RASSOOL

IPC: G06K9/00 ,  G06N3/08 ,  G06F21/32 ,  G06N3/04 ,  G06K9/66 ,  G06K9/62

Abstract: Systems and methods are provided for determining a candidate identity of a person in video data based on a biometric motion signature corresponding to motion of a face of the person in the video data. Motion information is obtained corresponding to motion of the face in the video data. The motion information is provided as input to a neural network and the neural network generates the biometric motion signature in response. The biometric motion signature is compared with a plurality of biometric signatures stored in data storage. The candidate identity of the person is determined as a result of a correspondence between the biometric motion signature and a stored biometric signature of the plurality of biometric signatures.

公开(公告)号：US20220207916A1

公开(公告)日：2022-06-30

申请号：US17694536

申请日：2022-03-14

Applicant: REALNETWORKS, INC.

Inventor： Reza RASSOOL

IPC: G06V40/16 ,  G06F21/32 ,  G06K9/62 ,  G06N3/04 ,  G06N3/08 ,  G06V20/40 ,  G06V30/194

Abstract: Systems and methods are provided for determining a candidate identity of a person in video data based on a biometric motion signature corresponding to motion of a face of the person in the video data. Motion information is obtained corresponding to motion of the face in the video data. The motion information is provided as input to a neural network and the neural network generates the biometric motion signature in response. The biometric motion signature is compared with a plurality of biometric signatures stored in data storage. The candidate identity of the person is determined as a result of a correspondence between the biometric motion signature and a stored biometric signature of the plurality of biometric signatures.

公开(公告)号：US20220239915A1

公开(公告)日：2022-07-28

申请号：US17617242

申请日：2019-06-10

Applicant: REALNETWORKS, INC.

Inventor： Xin HUANG ,  Reza RASSOOL ,  Leon SHI ,  Chao KUANG

IPC: H04N19/124 ,  H04N19/176 ,  H04N19/136

Abstract: An unencoded video frame of a sequence of video frames is encoded to generate an encoded bit-stream representative of the unencoded video frame. The unencoded video frame is divided into a plurality of coding blocks. A local sensitivity measurement may be determined for each of the coding blocks. Based on the local sensitivity measurement, an encoder may determining one or more quantization parameters, one or more adaptive rounding offsets, or one or more quantization steps. The determined parameters may be provided to a quantizer of a video encoder for use in encoding the coding block of the unencoded video frame.