Zte Corporation

Shenzhen Intellifusion Technologies Co., Ltd.

Sanechips Technology Co., Ltd.

Liqiang Yi

A convolution acceleration operation method and an apparatus, a storage medium and a terminal device are provided. The method includes: acquiring convolution parameters of a target convolution layer and device parameters of a target hardware equipment, wherein the target convolution layer is any convolution layer of a preset convolutional neural network, and the preset convolutional neural network is to be run in the target hardware equipment; according to the convolution parameters and device parameters, pre-estimating a running time of performing convolution operation on the target convolution layer in the target hardware equipment by using each preset acceleration algorithm; according to the running time, determining a target acceleration algorithm corresponding to the target convolution layer and target acceleration parameters corresponding to the target acceleration algorithm; and using the target acceleration algorithm and the target acceleration parameters corresponding to the target acceleration algorithm to perform convolution acceleration operation on the target convolution layer.

Convolution acceleration operation method and apparatus, storage medium and terminal device

An image processing method includes: grouping input image data of a dilation convolution to obtain D&#xd7;Dgrouped image data; wherein Dis a dilation rate of a convolution kernel corresponding to the dilation convolution on a height dimension thereof, Dis a dilation rate of a convolution kernel corresponding to the dilation convolution on a width dimension thereof, and both Dand Dare positive integers; performing a convolution calculation on the D&#xd7;Dgrouped image data respectively by a first convolution kernel, to obtain D&#xd7;Dgrouped convolution calculation results; wherein the first convolution kernel is a convolution kernel before the dilation convolution is dilated; and obtaining a dilation convolution calculation result of the input image data according to the D&#xd7;Dgrouped convolution calculation results. The present disclosure can reduce power consumption, improve efficiency of the dilation convolution calculation.

Image processing method and related device

The present invention discloses a method for implementing automatic frequency control, and an apparatus thereof. The method discloses: calculating a correlation value of common pilot symbols in a reception signal of each path and a frequency offset value, calculating a combined frequency offset value according to the frequency offset value of each path, and determining, according to the combined frequency offset value, a frequency offset adjustment value for a voltage controlled oscillator, a frequency offset adjustment value for overall reception signals and a frequency offset adjustment value for the reception signal of each path. The present invention selects a method of small-scope frequency offset estimation, which makes frequency offset estimation more accurate.

Method and device for implementing automatic frequency control

a method and apparatus for detecting a secondary synchronization signal, the method including: calculating a channel estimation compensation value of each sub-carrier of a Secondary Synchronization Signal (SSS) symbol in different Cyclic Prefix (CP) modes; obtaining-a coherent accumulative results of even half frames and odd half frames of each sub-carrier according to the channel estimation compensation value of each sub-carrier of said SSS symbol; generating a SSS sequence; obtaining an index of the SSS sequence corresponding to an over-threshold value of a first round detection, determining indexes composed of the SSS sequence used in a second round detection according to said index, using coherent accumulative results of all the sub-carriers in the even and odd half frames and SSS sequences of all the sub-carriers to obtain an over-threshold value of the second round detection; and obtaining a CP mode, and calculating a cell ID and a radio frame boundary.

Growing community of inventors

Guangdong, China

Liqiang Yi