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Linux Resource Special (VIII) Linux Video Development Special

Linux is a free-to-use and freely-distributed Unix-like operating system. It is a multi-user, multi-tasking, multi-threaded and multi-CPU operating system based on POSIX and UNIX. It can run major UNIX tool software, applications and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits the network-centric design concept of Unix and is a multi-user network operating system with stable performance. Linux is widely used: network programming, embedded operating systems, device drivers, etc., especially in embedded ARM system applications, where Linux can be seen everywhere. The \"Linux Resource Special\" series of articles we have compiled covers classic textbooks, books, tutorials, application examples, etc. It can be said that through this collection, everyone can not only learn from entry to mastery, but also use it as a reference material at hand, which can be viewed and read at any time.

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Video acquisition system based on PXA270 and Linux: Points it Requires : 1 Type:Application DocumentsUploader:baidu_linkerDate:2013-09-22; Introduction:Video acquisition system based on PXA270 and Linux

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Linux Embedded Video Live Monitoring System: Points it Requires : 1 Type:Application DocumentsUploader:电子爱好者IKDate:2013-09-22; Introduction:This paper takes embedded processor and Linux as development platform, and uses embedded software development technology, image acquisition technology under Linux, MPEG-4 compression technology, RTP transmission technology, Linux framebuffer mechanism, etc. to design and implement an embedded video living monitoring system. Keywords: Video Monitoring, MPEG-4, RTP/RTCP, framebufferAbstract：This paper described how to design and complete an Embedded Video LivingMonitoring System, which depended on embedded software developing, Linux graph collection, MPEG-4 compression, RTP translation, Linux framebuffer and use embedded CPU and Linux as developing platform.Key words: Video Monitoring，MPEG-4，RTP/RTCP，framebuffer

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Video Acquisition Based on Embedded Linux and S3C2410 Platform: Points it Requires : 1 Type:Application DocumentsUploader:baidu_linkerDate:2013-09-22; Introduction:First, we introduce the S3C2410 platform based on embedded Linux system and the software environment required for development on the platform. Then we discuss in detail how to realize the video acquisition application on this platform, and give a specific introduction to the implementation of the video acquisition program. Finally, we complete the migration of the application to the target platform.

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Security Video Monitoring System Based on LINUX and H.264: Points it Requires : 1 Type:Application DocumentsUploader:电子爱好者IKDate:2013-09-22; Introduction:Using DSP TMS320C6711 and ARM920T, a secure video surveillance system supporting H.264 encryption is designed and implemented. A design scheme for a secure video encryption system combining the Advanced Encryption Standard AES with H.264 is proposed and implemented on the ARM-Linux embedded platform. The problems of video data confidentiality in the video surveillance system are solved, and the experimental results of the improved encryption algorithm are given. [Keywords] H.264; Linux; video surveillance; video encryption; With the improvement of social security awareness, more and more departments are beginning to use video surveillance systems. Some video surveillance system users, such as government agencies, defense agencies, and industrial and mining enterprises, often use video surveillance content involving state secrets, military intelligence, corporate secrets, etc., so the video content must be encrypted before it can be transmitted on the network. Due to the need for real-time transmission and access of video data, the use of encryption and decryption algorithms cannot cause excessive delays in transmission and access. H.264 is the latest international video data compression standard [2], and its compression efficiency is also the highest. With similar image quality, it is nearly twice as efficient as H.263 and MPEG4, greatly enhancing the image compression efficiency. Therefore, this paper selects H.264 as the compression standard for video surveillance systems. Aiming at the application requirements of some departments for high video security, this paper proposes an embedded security video surveillance solution that integrates DSP and embedded ARM microcontrollers. This solution combines new technologies in video encryption and embedded systems to design and implement a security video surveillance system with good security performance and high efficiency. The embedded design also has the advantages of high reliability, small size, and strong environmental adaptability. Experiments show that the improved encryption scheme used by the system has a good encryption effect on H.264 video streams and can meet the real-time requirements of video.

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High-speed radar video acquisition and display on Linux platform: Points it Requires : 1 Type:Application DocumentsUploader:nkyqslDate:2013-09-21; Introduction:【Abstract】 This paper discusses radar video data acquisition and display system based on Linux platform, including data acquisition card design, Linux driver design and display technology. Important points of the system are discussed in details.【Key words】 data acquisition；PCI bus；DMA transmission；Framebuffer High speed radar video data acquisition and display on Linux platform Gong Pu，Wang De-sheng (Dept. of Electronic Engineering，Tsinghua University，Beijing 100084，China) 【Abstract】 This paper discusses radar video data acquisition and display system based on Linux platform, including data acquisition card design, Linux driver design and display technology. Important points of the system are discussed in details.【Key words】 data acquisition；PCI bus；DMA transmission；Framebuffer

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Video Image Acquisition and Transmission Based on Embedded Linux: Points it Requires : 1 Type:Application DocumentsUploader:flexbuilderDate:2013-09-17; Introduction:Video Image Acquisition and Transmission Based on Embedded Linux

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Remote Video Monitoring System Based on ARM-Linux and CDMA: Points it Requires : 1 Type:Application DocumentsUploader:老夫子Date:2013-07-31; Introduction:Remote video surveillance system based on ARM-Linux and CDMA - Wireless sensor network, routing protocol, gateway... Remote video surveillance system based on ARM-Linux and CDMA 2

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Research on Network Video Monitoring System Based on Embedded Linux.pdf: Points it Requires : 1 Type:Application DocumentsUploader:老夫子Date:2013-08-24; Introduction:Linus and embedded systems are both research hotspots in the field of computer technology. The combination of the two has opened up new development space for them.

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Network Remote Video Monitoring System Based on Embedded Linux: Points it Requires : 1 Type:Application DocumentsUploader:bananaDate:2013-08-31; Introduction:Abstract: In order to design a network remote video monitoring system, the S3C2440 embedded processor is used as the core, and the USB interface of S3C2440 is used as the input and output channel of the camera to realize the video acquisition of the camera. The BOA server is set up on Linux for remote video acquisition and transmission, equipment control and environmental detection, and the intelligent control and video monitoring of remote equipment through the Internet are realized; the system plays videos and controls remote equipment through the Internet, has the functions of visual interface and automatic IP acquisition, and has the function of penetrating routing through NAT programming; the system works stably and reliably in the experiment, meeting the design requirements.

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Design and implementation of video acquisition system based on embedded Linux: Points it Requires : 1 Type:Application DocumentsUploader:电子制作Date:2013-08-31; Introduction:Abstract: This paper introduces a video data acquisition system developed on embedded Linux and Liod platform. After briefly introducing Liod development platform, this paper discusses in detail how to realize video data acquisition on this platform, and its implementation from system hardware design to system software design. Real-time video is obtained through USB camera, and the API function provided by Video4Linux is used to design the video data acquisition program. The specific implementation method and process of the video data acquisition program are introduced in detail, and finally the application program is transplanted to the target platform.

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Research on Video Capture and Transmission System Based on ARM11-Linux: Points it Requires : 1 Type:Application DocumentsUploader:PKelectDate:2013-11-06; Introduction: A video acquisition and wireless transmission system based on ARM11 was studied! The main home gateway can effectively monitor each scattered room through the camera.

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DSP Design of Video Monitoring System Based on Embedded Linux: Points it Requires : 1 Type:Application DocumentsUploader:sunyzzDate:2013-06-02; Introduction:DSP Design of Video Monitoring System Based on Embedded Linux

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V4L video programming guide under Linux: Points it Requires : 1 Type:Application DocumentsUploader:sinceyouloveDate:2014-03-05; Introduction:The V4L video programming guide under Linux is helpful for friends who are engaged in video development under Linux.

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Design of H.264 video surveillance system based on Linux: Points it Requires : 1 Type:Application DocumentsUploader:jujuyaya222Date:2014-03-05; Introduction:Design of H.264 video surveillance system based on Linux

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Design of embedded remote video monitoring system based on ARM and Linux: Points it Requires : 1 Type:Technical DocumentationUploader:bootloaderDate:2013-06-20; Introduction:Design of embedded remote video monitoring system based on ARM and Linux

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Research on the design of high-definition video wireless transmission system based on Linux: Points it Requires : 1 Type:Application DocumentsUploader:欣之Date:2013-08-22; Introduction:Abstract: This paper describes the embedded high-definition video acquisition and compression principle based on ARM Cortex-M3 and AT2061, and completes the design and implementation process of wireless transmission of high-definition video signals through CDMA wireless network. It solves the problem that the transmission cannot be carried out in non-fixed scenes, and the communication speed of CDMA network is much higher than that of GPRS network, which is easy to smoothly transition to 3G mobile communication system. The system is studied to make corresponding tailoring to Linux to improve the real-time processing capability of the system. After compressing the high-definition video signal, the transmission result of high video resolution is still obtained.

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Linux Dynamic Extension MPEG-4 Intelligent Video Surveillance System: Points it Requires : 1 Type:Application DocumentsUploader:火龙果Date:2013-08-23; Introduction:Abstract: This paper introduces a dynamically expandable MPEG-4 intelligent video surveillance system based on Linux operating system. The intelligent video surveillance system adopts master-slave design to achieve dynamic expansion. It uses moving object detection and tracking algorithm to intelligently detect and track the monitored objects, and realizes intelligent alarm and intelligent storage functions. The system has the advantages of small design, digitization and networking. Intelligent alarm, intelligent storage and dynamic expansion are its innovations.

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