Abstract: A convolution acceleration operation method and an apparatus, a storage medium and a terminal device are provided.

Abstract: A convolution acceleration operation method and an apparatus, a storage medium and a terminal device are provided.

Abstract: An image processing method includes: grouping input image data of a dilation convolution to obtain Dh×Dw grouped image data; wherein Dh is a dilation rate of a convolution kernel corresponding to the dilation convolution on a height dimension thereof, Dw is a dilation rate of a convolution kernel corresponding to the dilation convolution on a width dimension thereof, and both Dh and Dw are positive integers; performing a convolution calculation on the Dh×Dw grouped image data respectively by a first convolution kernel, to obtain Dh×Dw grouped 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 Dh×Dw grouped convolution calculation results. The present disclosure can reduce power consumption, improve efficiency of the dilation convolution calculation.

Abstract: An image processing method includes: grouping input image data of a dilation convolution to obtain Dh×Dw grouped image data; wherein Dh is a dilation rate of a convolution kernel corresponding to the dilation convolution on a height dimension thereof, Dw is a dilation rate of a convolution kernel corresponding to the dilation convolution on a width dimension thereof, and both Dh and Dw are positive integers; performing a convolution calculation on the Dh×Dw grouped image data respectively by a first convolution kernel, to obtain Dh×Dw grouped 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 Dh×Dw grouped convolution calculation results. The present disclosure can reduce power consumption, improve efficiency of the dilation convolution calculation.

Abstract: 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.

Abstract: 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.

Abstract: 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 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.

Abstract: The present invention discloses a method and apparatus for implementing automatic frequency control. The method comprises: 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. Compared with prior art, with the method and apparatus of the present invention, a new method of small-scope frequency offset estimation is selected, which makes frequency offset estimation more accurate; by using CORDIC, hardware resources are saved and calculation accuracy is improved; the stability of system is enhanced by the frequency offset adjustment and control policy.