公开(公告)号：US20220358679A1

公开(公告)日：2022-11-10

申请号：US17854506

申请日：2022-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yilun Chen ,  Han Li

IPC: G06T7/80 ,  G06T7/73

Abstract: This application provides a parameter calibration method and apparatus, which may be applied to calibration of an intrinsic parameter and an extrinsic parameter of an image shooting device. According to the method and apparatus, with a position of a calibration pattern fixed, a position and an angle of the image shooting device relative to the calibration pattern are accurately adjusted by changing a pose parameter of the image shooting device, so that the image shooting device photographs the calibration pattern at each given position and angle relative to the calibration pattern, to obtain at least one shooting result. The shooting result can correspond to coordinate in a pixel coordinate system and a world coordinate system, so that accuracy of an intrinsic parameter and an extrinsic parameter is correspondingly calculated.

公开(公告)号：US20240020369A1

公开(公告)日：2024-01-18

申请号：US18363532

申请日：2023-08-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Han Li ,  Zhiyuan Wu ,  Jun Wang ,  Lei Wang

IPC: G06F21/32 ,  G10L15/30 ,  G10L15/22 ,  G10L15/18

CPC classification number: G06F21/32 ,  G10L15/30 ,  G10L15/22 ,  G10L15/1815 ,  G10L2015/223

Abstract: A speech control system includes a first client running on a mobile terminal, a server end running on a server, and a second client running on a controlled terminal. The first client obtains identity information of a user, and sends the identity information of the user to the server end. The server end verifies the identity information of the user. The first client further collects speech data of the user, generates a speech control request based on the speech data, and sends the speech control request to the server end. When verification on the identity information succeeds, the server end generates a control instruction based on the speech control request, and sends the control instruction to the second client. The second client indicates the controlled terminal to execute the control instruction.