針對嵌入式機器視覺系統向獨立化、智能化發展的要求,介紹了一種嵌入式視覺系統--智能相機?;趯χ悄芟鄼C體系結構、組成模塊和圖像采集、傳輸和處理技術的分析,對國內外的幾款智能相機進行比較。綜合技術發展現狀,提出基于FPGA+DSP模式的硬件平臺,并提出智能相機的發展方向。分析結果表明,該系統設計可以實現脫離PC運行,完成圖像獲取與分析,并作出相應輸出。 Abstract: This paper introduced an embedded vision system-intelligent camera ,which was for embedded machine vision systems to an independent and intelligent development requirements. Intelligent camera architecture, component modules and image acquisition, transmission and processing technology were analyzed. After comparing integrated technology development of several intelligent cameras at home and abroad, the paper proposed the hardware platform based on FPGA+DSP models and made clear direction of development of intelligent cameras. On the analysis of the design, the results indicate that the system can run from the PC independently to complete the image acquisition and analysis and give a corresponding output.
上傳時間: 2013-10-24
上傳用戶:bvdragon
Prakash Rashinkar has over 15 years experience in system design and verificationof embedded systems for communication satellites, launch vehicles and spacecraftground systems, high-performance computing, switching, multimedia, and wirelessapplications. Prakash graduated with an MSEE from Regional Engineering College,Warangal, in India. He lead the team that was responsible for delivering themethodologies for SOC verification at Cadence Design Systems. Prakash is anactive member of the VSIA Functional Verification DWG. He is currently Architectin the Vertical Markets and Design Environments Group at Cadence.
上傳時間: 2014-01-24
上傳用戶:xinhaoshan2016
The Tri-Mode Ethernet MAC (TEMAC) UltraController-II module is a minimal footprint,embedded network processing engine based on the PowerPC™ 405 (PPC405) processor coreand the TEMAC core embedded within a Virtex™-4 FX Platform FPGA. The TEMACUltraController-II module connects to an external PHY through Gigabit Media IndependentInterface (GMII) and Management Data Input/Output (MDIO) interfaces and supports tri-mode(10/100/1000 Mb/s) Ethernet. Software running from the processor cache reads and writesthrough an On-Chip Memory (OCM) interface to two FIFOs that act as buffers between thedifferent clock domains of the PPC405 OCM and the TEMAC.
上傳時間: 2013-10-26
上傳用戶:yuzsu
為提升虛擬儀器傳輸速率與實時性能,擴展監測范圍,在VC的軟件平臺上設計了一種全功能虛擬示波器。與傳統虛擬示波器相比,該系統采用嵌入式系統完成信號采集,采用工業以太網為傳輸介質,通過線性插值算法和多線程編程思想,實現波形顯示、參數計算、頻譜分析以及波形存儲及回放功能。實驗結果表明,該虛擬示波器可以實現20 kHz采樣頻率下的波形精確顯示,達到預期的各項指標。 Abstract: o enhance the transfer rate and real-time of virtual instrument performance, expand scope of monitoring, this paper uses the VCs software platform to design a fully functional virtual oscilloscope. Compared with traditional virtual oscilloscope, this system adopts the embedded system to complete the data acquisition, industrial Ethernet as the transmission medium used by the linear interpolation algorithm and multi-threaded programming ideas, namely to achieve waveform display, parameter calculation, spectrum analysis and waveform storage and playback. Experimental results show that the virtual oscilloscope can accurately display the waveform with 20kHz sampling frequency, and achieve the desired targets.
上傳時間: 2013-11-25
上傳用戶:wbwyl
嵌入式系統(Embedded System)是以應用為中心,以計算機技術為基礎,并且軟硬件是可裁剪的,適用于對功能、可靠性、成本、體積、功耗等有嚴格要求的專用計算機系統。嵌入式系統最典型的特點是與人們的日常生活緊密相關,任何一個普通人都可能擁有各類形形色色運用了嵌入式技術的電子產品,小到MP3、PDA等微型數字化設備,大到信息家電、智能電器、車載GIS。 雖然嵌入式系統是近幾年才開始真正風靡起來的,但事實上嵌入式這個概念卻很早就已經存在了,從上個世紀70年代單片機的出現到今天各種嵌入式微處理器、微控制器的廣泛應用,嵌入式系統少說也有了近30年的歷史??v觀嵌入式系統的發展歷程,大致經歷了以下四個階段:
標簽: Windows_CE 嵌入式系統
上傳時間: 2014-12-29
上傳用戶:wangzeng
提出一種基于S3C2410和Linux的智能家居系統的設計,該系統通過ARM9微處理器和各種傳感器模塊實現溫濕度的采集顯示和控制、入侵防盜檢測、液化氣泄露檢測;通過GPRS通訊將煙霧、煤氣、紅外等傳感器的異常報警信息以短信方式通知用戶;結合嵌入式Web服務器和CGI技術,以及USB攝像頭的使用,通過連接PC實現實時遠程視頻、傳感器數據信息的監控;同時通過QT-embedded GUI編寫的GUI程序,可以將室內各種傳感器采集的各項參數,以圖形化的方式顯示到LCD觸摸屏上,實現本地監控。通過測試,該系統運行穩定、可靠,便于實際應用,市場前景廣闊。
上傳時間: 2013-11-19
上傳用戶:sqq
A Computer-On-Module, or COM, is a Module with all components necessary for a bootable host computer, packaged as a super component. A COM requires a Carrier Board to bring out I/O and to power up. COMs are used to build single board computer solutions and offer OEMs fast time-to-market with reduced development cost. Like integrated circuits, they provide OEMs with significant freedom in meeting form-fit-function requirements. For all these reasons the COM methodology has gained much popularity with OEMs in the embedded industry. COM Express® is an open industry standard for Computer-On-Modules. It is designed to be future proof and to provide a smooth transition path from legacy parallel interfaces to LVDS (Low Voltage Differential Signaling) interfaces. These include the PCI bus and parallel ATA on the one hand and PCI Express and Serial ATA on the other hand.
上傳時間: 2013-11-05
上傳用戶:Wwill
很好的資源
上傳時間: 2013-12-28
上傳用戶:yanyueshen
eZ430-F2013 是一款完整的 MSP430 開發工具,其在小巧的便攜式 USB 棒狀盒內提供了評估 MSP430F2013 以及完成整個項目所需的全部軟硬件。eZ430-F2013 集成了 IAR Embedded Workbench 或 Code Composer Studio 集成開發環境 (IDE),通過選擇設計一個獨立的系統,或選擇分離可移動的目標板并整合到現有設計中來提供完全仿真。USB 端口可為超低功耗 MSP430 提供所需的工作電源,因而無需使用外接電源。MSP430F2013 上的所有 14 個引腳都可在 MSP-EZ430D 目標板上進行訪問,可輕松實現調試并與外設接口相連。此外,還可將其中的一個數字 I/O 引腳連接至可提供視覺反饋的 LED。MSP430F2013 擁有出色的 16 MIPS 性能,并高度集成了16 位 Δ-Σ 模數轉換器、16 位定時器、看門狗定時器、掉電檢測器、支持 SPI 和 I2C 的 USI 模塊,以及待機電流僅 0.5微安的 5 種低功耗模式。
上傳時間: 2013-10-24
上傳用戶:wanglf7409
基于嵌入式Linux環境下圖像采集及在嵌入式開發板上對圖像顯示的目的,本文研究了視頻采集及顯示的一般方法,并將飛凌公司OK6410開發板與嵌入式Linux操作系統相結合,通過對內核的定制、交叉編譯程序及基于Qt/Embedded設計圖像顯示GUI,最終實現了嵌入式Linux平臺下USB攝像頭對圖像的采集以及在開發板上的顯示,并且在開發板上實現了對顯示圖像的簡單操作。
上傳時間: 2013-11-12
上傳用戶:europa_lin