Beijing Jingdong Century Trading Co., Ltd.

Beijing Jingdong Shangke Information Technology Co., Ltd.

Beijing Wodong Tianjun Information Technology Co., Ltd.

Beijing Yizhen Xuesi Education Technology Co., Ltd.

Shan An

Yu Chen

Zhi Weng

Guangfu Che

Qiang Liu

Gang Xue

Mei Yang

Guowei Fu

Yuemei Li

Zhaoqi Zhu

Mingxiu Meng

Yujia Song

Yangang Feng

Shishuang Li

Xu Meng

Xiaozhen Ma

Fangru Zhou

The present disclosure provides an image processing method and an image processing apparatus. The image processing method including replacing an object in a scene image with a preset template image to generate a virtual image; dividing the scene image into a plurality of image blocks with a preset size; determining pixel residuals of the scene image according to an average pixel value of pixel points in an area where the object is located in the scene image and an average pixel value of pixel points falling into the area where the object is located in each of the plurality of image blocks; determining illumination offsets according to the pixel residuals; and updating pixel values of pixel points in the virtual image according to the illumination offsets to implement illumination transfer.

Image processing method and image processing apparatus

A video image segmentation method includes: obtaining an image segmentation model by performing machine learning based on a historical video image and a mask image of the historical video image; adjusting the image segmentation model based on an initial frame of an image to be segmented, a previous frame of a frame to be segmented and a mask image of the previous image; and performing segmentation on the image to be segmented using the image segmentation model after the adjusting.

Video image segmentation method and apparatus, storage medium and electronic device

A high-dimensional image feature matching method and device relating to the field of image retrieval. The method includes extracting a high-dimensional image feature of an image to be retrieved; dividing the high-dimensional image feature of the image to be retrieved into a plurality of low-dimensional image features; comparing each of the low-dimensional image features of the image to be retrieved with clustering centers at each layer of the low-dimensional image features of the images in a database; and determining a similarity the low-dimensional image feature between the image to be retrieved and each of some images in the database according to a comparison result, so that at least one feature matching the high-dimensional image feature of the image to be retrieved is retrieved in the database.

High-dimensional image feature matching method and device

The disclosure relates to the technical field of data processing. Disclosed are a pedestrian flow funnel generation method and apparatus, a storage medium and an electronic device. The method can comprise: acquiring a current frame of image, and tracking and updating, according to a multi-target tracking algorithm, a head and shoulder area in a tracking sequence set in the current frame of image; acquiring, according to a head and shoulder recognition model, a head and shoulder area in the current frame of image, and updating, according to the head and shoulder area in the current frame of image, the tracking sequence set; analysing a motion track of each head and shoulder area in the tracking sequence set so as to count pedestrians, and when the current frame of image is the last frame of image, generating a pedestrian flow funnel based on a counting result of pedestrians.

Pedestrian flow funnel generation method and apparatus, storage medium and electronic device

The present disclosure relates to a method and apparatus for determining a target rotation direction. Said method for determining the target rotation direction comprises: inputting successive video frames which comprise a rotation target; establishing a background model for the first image frame in said video frames; performing foreground detection on the video frames other than the first frame by means of said background model so as to determine the rotation axis of said rotation target; obtaining the distribution of optical flow points within a preset region of said rotation axis; determining the direction of rotation of said rotation target according to the distribution of optical flow points within said preset region. By means of the present disclosure, it is possible to simply and efficiently determine the clock direction of a rotation target in a video.

Method and apparatus for determining target rotation direction, computer readable medium and electronic device

A playback method, a playback device and computer-readable storage medium related to the data processing field. The playback method includes acquiring several frames in a video and device movement information of a shooting device when the video is shot; acquiring an initial viewing angle and a current viewing angle of a playback terminal used for playing the several frames; determining a frame corresponding to the current viewing angle according to the device movement information and a difference between the current viewing angle and the initial viewing angle; and playing the frame corresponding to the current viewing angle.

Playback method, playback device and computer-readable storage medium

A method and apparatus for monitoring learning and an electronic device are provided. The method for monitoring learning includes: acquiring a class image of a class student; recognizing the class image to acquire characteristic data of the class student, where the characteristic data includes at least one of the following: facial characteristic data of the class student, visual characteristic data of the class student, and body characteristic data of the class student; and determining, based on the characteristic data of the class student, a class status of the class student. The listening status of a student learning via a computer and the Internet in a class can be effectively and accurately monitored, and an effective reference is provided for subsequent learning and teaching to further improve the learning or teaching process.

Method and apparatus for monitoring learning and electronic device

Growing community of inventors

Beijing, China

Shan An