A SoPC-Based Mini VGA Video Capture and Storage System

被引：0

作者：

Gao, Kun ^{[1
]}

Cai, Junbo ^{[1
]}

Zhang, Long ^{[2
]}

Sheng, Ren-nong ^{[2
]}

机构：

[1] Beijing Inst Technol, Sch Optoelect, Minist Educ China, Key Lab Photoelect Imaging Technol & Syst, Beijing 100081, Peoples R China

[2] Beijing Inst Technol, Res Dept, Beijing 100081, Peoples R China

来源：

2010 3RD INTERNATIONAL CONFERENCE ON BIOMEDICAL ENGINEERING AND INFORMATICS (BMEI 2010), VOLS 1-7 | 2010年

基金：

中国国家自然科学基金;

关键词：

VGA; SoPC; Image Capture; Image Storage; SD Card; FPGA;

D O I：

10.1109/BMEI.2010.5639844

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

A mini VGA video capture and storage system is proposed, which can capture and convert the analog RGB video signals from VGA input port into 24-bit true-color digital image stream and store it into a mini-SD card in BMP file format. The power supply is one Lithium battery and can be recharged via USB port. The full control logic is realized inside one EP2C35 FPGA chip based on SoPC (System on a Programmable Chip) architecture and internal Nios II processer core acts as the control center, in charge of multi-channel synchronous A/D sample control, SD card read-write operation through SPI bus, BMP file system and other peripheral regulation. Detailed information is focused on the system architecture, hardware design and software programming. The test result shows that this mini-system can process VGA sampling with the resolution up to 1280x1024x24bit and the capturing and storing time of 7 seconds.

引用

页码：2770 / 2774

页数：5

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