Peking University

Alibaba Group Holding Limited

Yun Jiang

Zhi Hong Li

Jin Zhang

Wei Lin

Lan Luo

Bo Teng

Jianhui Chang

This application discloses an image processing method, device, system, electronic equipment, and storage medium, applied at the encoding end. The method includes extracting a one-dimensional feature vector from an original image block; transforming the original image block into a multidimensional feature map based on the one-dimensional feature vector; quantizing and encoding the one-dimensional feature vector to generate a first code stream; discretely encoding the multidimensional feature map to generate a second code stream, thereby efficiently compressing the spatial-independent vector and the multidimensional feature map; and sending the first and second code streams to the decoding end. Since the encoding stream comprises two layers each representing different types of image information, image reconstruction from the two-layer code streams maintains information integrity even at low bit rates, thus improving visual effects and experience.

Method, device, system, electronic device, and storage medium for image processing

The disclosure describes a method and device for signal processing. The method includes generating a signal time series associated with a terminal device based on time points for signal collection and intensities of signals collected at the time points collected from the terminal device by signal collection devices deployed in a spatial object; obtaining at least one segment of the signal time series by segmenting the signal time series according to a pre-generated segmenting interval; and determining, for the at least one segment, if a user of the terminal device is located in the spatial object during a continuous period of time included in the at least one segment. The disclosure may be used to statistically analyze user traffic in a spatial object and reduce resource consumption.

Method and device for signal processing

Growing community of inventors

Hangzhou, China

Yun Jiang