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[Special Effects] video_process_base_on_DSPandFPGA DL : 0: 基于高速数字信号处理器(DSP) 和大规模现场可编程门阵列( FPGA) ,成功地研制了小型化、低功耗的实时视频采集、处理和显示平台. 其中的DSP 负责图像处理,其外围的全部数字逻辑功能都集成在一片FPGA 内,包括高速视频流FIFO、同步时序产生与控制、接口逻辑转换和对视频编/ 解码器进行设置的I2 C 控制核等. 通过增大FIFO 位宽、提高传输带宽,降低了占用EMIF 总线的时间利用数字延迟锁相环逻辑,提高了显示接口时序控制精度. 系统软件由驱动层、管理层和应用层组成,使得硬件管理与算法程序设计彼此分离,并能协同工作. 系统中的图像缓冲区采用了三帧的配置方案,使得该平台最终具有对PAL/ N TSC 两种制式的全分辨率彩色复合视频信号进行实时采集、显示和处理的能力.-Based on high-speed digital signal processor (DSP) and large-scale field programmable gate array (FPGA), successfully developed a smaller, low-power real-time video capture, processing and display platform. One of the DSP is responsible for image processing, all its external digital logic functions are integrated in a FPGA, including high-speed video streaming FIFO, synchronous sequential generate and control, conversion and interface logic for video encoder/decoder to set up the control of nuclear and other I2 C. through increased FIFO bit width, increase the transmission bandwidth, reducing the time occupied by EMIF bus delay phase-locked loop using digital logic,
Date : 2025-12-21 Size : 534kb User : John
[Special Effects] image-FIFO-SDRAM DL : 0: 图像缓存是图像处理系统设计的重点和难点，包括SDRAM和FIFO的设计，本PDF是设计图像缓存设计的好资料-sdram and fifo design for real-time image processing system
Date : 2025-12-21 Size : 1.09mb User : 张荣奎
[Special Effects] s DL : 0: 近年来，随着DSP的快速发展，被广泛的应用于图像处理及目标定位[11][13][21]上，极大地提高图像处理的实时性。DSP主要用来实现扩展算法和数字信号处理的功能，其最典型的用途是实现数字图像处理算法。DSP芯片内采用大容量的SRAM作为系统的高速缓存，高达64位的数据总线带宽。在片外采用了目前流行的SDRAM、DDR2等高速大容量存储器的无缝连接，同时还支持SRAM、FIFO等各种类型的存储器，大大提高了图像的存储容量及速度。-In recent years, with the rapid development of DSP, has been widely used in image processing and target location [11] [13] [21], and greatly improve the image processing in real time. Mainly used to implement DSP algorithms and digital signal processing expansion of the function, the most typical use digital image processing algorithms. DSP chip with large-capacity SRAM cache as a system, up to 64-bit data bus bandwidth. Chip used in the popular SDRAM, DDR2 memory and other high-speed large-capacity seamless connection, and also supports SRAM, FIFO, and other types of memory, greatly improving the image storage capacity and speed.
Date : 2025-12-21 Size : 1.43mb User : 侯国强
[Special Effects] main DL : 0: 基于OV7670(FIFO)摄像头模块的图像采集程序-Based image acquisition program OV7670 (FIFO) camera module
Date : 2025-12-21 Size : 3kb User : MXK