采用双向移位寄存器实现的二维神经网络卷积运算系统

The two-dimensional neural network convolution operation system implemented through bidirectional shift registers solves the problem of low operation efficiency of convolutional neural networks, realizes fast and efficient convolution operation, is suitable for AI accelerator chip design, and enhances the application potential of terminal and edge computing.

CN115329946BActive Publication Date: 2026-07-17JIAXING ZHENHE TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIAXING ZHENHE TECH CO LTD
Filing Date
2022-08-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the field of terminal and edge computing, existing technologies for convolutional neural networks have low computational efficiency, require a large amount of data caching and high data bandwidth, which leads to increased system power consumption and latency, thus limiting the promotion and application of AI technology.

Method used

A two-dimensional neural network convolution operation system implemented with bidirectional shift registers performs convolution operations using cascaded bidirectional shift registers through N parallel operation units, local data cache units, and parameter cache units, alternating between forward and reverse shift operations to reduce memory usage and improve computational efficiency.

Benefits of technology

It achieves fast and efficient convolution operations in real-time image and video processing scenarios, improving computational efficiency and reducing memory usage, making it suitable for AI accelerator chip design.

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Abstract

本发明公开了一种采用双向移位寄存器实现的二维神经网络卷积运算系统,包括N个并行的运算单元、本地数据缓存单元和参数缓存单元,N个运算单元可同时处理水平方向N个相邻的像素数据;本地数据缓存单元可同时加载N个像素数据,且参数缓存单元提供相同的系数;每个运算单元由乘法器、累加寄存器和选项开关组成,乘法器的输入端为像素数据及系数,乘法器的输出端连接累加寄存器的输入端,累加寄存器的另一输入端通过选项开关连接本运算单元、上一级运算单元或下一级运算单元的累加寄存器输出。本发明采用并行双向移位寄存器方式实现二维卷积神经网络运算,可在实时图像及视频处理场景下快速高效地完成卷积运算,减少内存占用。
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