Tencent Technology (Shenzhen) Company Limited

Tencent Technology Company Limited

Yuanli Zheng

Nianhua Xie

Zhaopeng Gu

Jie Liu

Jianping Xie

Zelong Yin

Zedong Xiao

Zonghao Chen

This application provides a pose determining method performed by an electronic device. The method includes: determining a first two-dimensional plane point in a first video frame captured by a camera, in response to a user-selected point within a display region of a target horizontal plane in a real world captured in the first video frame; obtaining first orientation information of the camera when acquiring the first video frame; determining a first three-dimensional space point corresponding to the first two-dimensional plane point in the real world and first coordinates of the first three-dimensional space point in a camera coordinate system; and determining a pose of the camera when acquiring the first video frame in the world coordinate system, according to the first orientation information of the camera and the first coordinates of the first three-dimensional space point in the real world.

Pose determining method and apparatus, electronic device, and storage medium

An image display method includes: obtaining a homography matrix between a first target plane and a second target plane according to the first target plane and the second target plane; obtaining a target displacement according to the homography matrix and an attitude; obtaining a target pose according to the target displacement, the target pose including a position and an attitude of a camera coordinate system of a current frame image in a world coordinate system; and displaying an AR image according to the target pose.

Image display method and apparatus, computer device, and storage medium

The present disclosure provides an image processing method and apparatus, an electronic device, and a computer-readable storage medium. The method includes: placing 3D model on a target plane of a first frame of the video, a plurality of feature points of a model surface of the 3D model falling on the target plane; determining a pose of a camera coordinate system of the first frame of the video relative to a world coordinate system; for a jframe: determining pixel coordinates of the plurality of feature points of the model surface on the jframe of the video; determining, a pose of a camera coordinate system of the jframe of the video relative to a world coordinate system; and replacing the 3D model with a target model and placing the target model on the world coordinate system to generate, according to the pose of the camera coordinate system of each frame of the video relative to the world coordinate system, a target video comprising the target model.

Image processing method and apparatus, electronic device, and computer-readable storage medium

Embodiments of this application disclose a video data processing method and apparatus, and a storage medium. The method includes determining, in response to a trigger operation on a target video, a target pixel in a key video frame, and obtaining multimedia information associated with the target pixel, the key video frame being a video frame in which the trigger operation is located, and the target pixel corresponding to the trigger operation in the key video frame; identifying a trajectory obtaining request corresponding to the target pixel based on location information of the target pixel; obtaining target trajectory information associated with the location information of the target pixel, the target trajectory information comprising location information of the target pixel in a next video frame following the key video frame; and displaying the multimedia information based on the location information of the target pixel in the next video frame.

Video data processing method and related apparatus

The present disclosure provides an image processing method and apparatus, an electronic device, and a computer-readable storage medium. The method includes: obtaining a to-be-processed video comprising m frames of images, m being a positive integer greater than or equal to 2; placing a three-dimensional model on a target plane of a first frame of image of the to-be-processed video, a plurality of feature points of a model surface of the three-dimensional model falling on the target plane; determining three-dimensional coordinates of the plurality of feature points of the model surface in a world coordinate system and pixel coordinates of the plurality of feature points of the model surface on the first frame of image; determining, according to the three-dimensional coordinates of the plurality of feature points of the model surface in the world coordinate system and the pixel coordinates of the plurality of feature points of the model surface on the first frame of image, a pose of a camera coordinate system of the first frame of image relative to the world coordinate system; determining, according to the target plane, the three-dimensional coordinates of the plurality of feature points of the model surface in the world coordinate system, and the pixel coordinates of the plurality of feature points of the model surface on the first frame of image, poses of camera coordinate systems of a second frame of image to an mframe of image of the to-be-processed video relative to the world coordinate system; and replacing the three-dimensional model with a target model and placing the target model on the world coordinate system to generate, according to the pose of the camera coordinate system of each frame of image of the to-be-processed video relative to the world coordinate system, a target video comprising the target model.

A data processing method is performed at a terminal. The method includes: generating a supplementary signal frame according to a first original signal frame of a first data collector when a first frame rate of the first data collector in a terminal is less than a second frame rate of a second data collector, and determining an input time stamp of the supplementary signal frame according to the second frame rate; inputting the supplementary signal frame into a first input queue of the first data collector when a current time reaches the input time stamp of the supplementary signal frame; obtaining a second original signal frame that is currently input into a second input queue and that is of the second data collector; and performing signal fusion on the supplementary signal frame in the first input queue and a second original signal frame in the second input queue.

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Shenzhen, China

Yuanli Zheng