Search Images Maps Play YouTube Gmail Drive Calendar More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberCN102186011 A
Publication typeApplication
Application numberCN 201110124515
Publication date14 Sep 2011
Filing date13 May 2011
Priority date13 May 2011
Publication number201110124515.9, CN 102186011 A, CN 102186011A, CN 201110124515, CN-A-102186011, CN102186011 A, CN102186011A, CN201110124515, CN201110124515.9
Inventors董宁, 唐世悦, 唐麟
Applicant合肥埃科光电科技有限公司
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Digital high-definition camera based on full hardware
CN 102186011 A
Abstract
The invention discloses a digital high-definition camera based on full hardware, comprising a charge coupling module, a variable gain amplifying module, an analogue digital conversion module, an FPGA (field programmable gate array) module, a random access memory module, a network cache module and a network controller module, wherein the charge coupling module is connected with the variable gain amplifying module; the variable gain amplifying module sends signals to the FPGA module by the analogue digital conversion module; the random access memory module and the network cache module both are connected with the FPGA module; the FPGA module sends data to the network controller module for output after analyzing image data; and the network cache module is used for temporarily storing data to be sent when the network is used. The FPGA module is taken as the core of the digital high-definition camera, thus controlling the whole camera system and processing the signals. Compared with a high-definition camera system adopting a DSP (digital signal processor), the digital high-definition camera provided by the invention has the advantages of low cost and high reliability.
Claims(7)  translated from Chinese
1. 一种基于全硬件的高清数字摄像机,其特征在于,包括电荷耦合模块、可变增益放大模块、模拟数字转换模块、现场可编程门阵列模块、随机存取存储模块、网络缓存模块和网络控制器模块;电荷耦合模块与可变增益放大模块连接,可变增益放大模块与模拟数字转换模块连接,模拟数字转换模块与现场可编程门阵列模块连接,现场可编程门阵列模块与随机存储模块连接;现场可编程门阵列模块将经分析处理后的图像流数据输出到网络控制器,当网络传输出现占用时,现场可编程门阵列模块将经分析处理后的图像流数据通过网络缓存模块适当缓存后再输出到网络控制器。 A hardware-based Full HD digital video camera, characterized in that the module comprises a charge-coupled variable gain amplifier module, analog-digital conversion module, a field programmable gate array module, a random access memory modules, network caching and network modules The controller module; a charge-coupled module variable gain amplifier module is connected, the variable gain amplifier module and an analog-digital converter module is connected, analog-digital conversion module and field-programmable gate array module is connected, a field programmable gate array module and the random access memory modules connection; a field programmable gate array module outputs the image stream data analysis processing to the network controller, transmission occurs when the network occupancy, field programmable gate array module by analyzing the image stream data processing through the network cache module suitable Cache and then output to the network controller.
2.根据权利要求1所述的一种基于全硬件的高清数字摄像机,其特征在于,所述的现场可编程门阵列模块为系统控制模块。 2. According to one claim 1, wherein the full hardware-based high-definition digital video camera, wherein said field programmable gate array module for the system control module.
3.根据权利要求2所述的一种基于全硬件的高清数字摄像机,其特征在于,所述的现场可编程门阵列模块为电荷耦合模块提供时序控制信号,为随机存取存储模块提供读出和写入控制信号,为网络缓存模块提供读出和写入控制信号;所述的现场可编程门阵列模块通过串口控制可变增益放大模块,通过串口控制模拟数字转换模块,通过串口控制网络控制器模块。 3. Read according to claim 2, wherein a full hardware-based high-definition digital video camera, wherein said field programmable gate array module provides timing control signals to the charge-coupled module provides random access memory modules and the write control signal to provide read and write control signal for the network cache module; the field-programmable gate array module amplifier module through the serial port control variable gain control via serial analog-digital converter module, network control via serial control module.
4.根据权利要求1所述的一种基于全硬件的高清数字摄像机,其特征在于,所述的现场可编程门阵列模块对图像流数据实时处理和压缩编码。 4. According to one claim 1, wherein the full hardware-based high-definition digital video camera, wherein said field programmable gate array module for real-time image processing and compression encoding stream data.
5.根据权利要求4所述的一种基于全硬件的高清数字摄像机,其特征在于,所述的现场可编程门阵列模块采用JPEG标准对图像流数据压缩编码。 5. According to one of claim 4 full hardware-based high-definition digital video camera, wherein said field programmable gate array module uses standard JPEG image stream data compression.
6.根据权利要求4所述的一种基于全硬件的高清数字摄像机,其特征在于,所述的现场可编程门阵列模块采用MPEG标准对图像流数据进行压缩编码。 According to claim 4, wherein a full hardware-based high-definition digital video camera, wherein said field programmable gate array module uses MPEG standard image stream data compression.
7.根据权利要求4所述的一种基于全硬件的高清数字摄像机,其特征在于,所述的现场可编程门阵列模块采用H. 264标准对图像流数据压缩编码。 According to claim 4, wherein a full hardware-based high-definition digital video camera, wherein said field programmable gate array module H. 264 standard for image compression encoding stream data.
Description  translated from Chinese
一种基于全硬件的数字高清摄像机 A full hardware-based digital high-definition cameras

[技术领域] [Technical Field]

[0001] 本发明涉及数字摄像机,尤其涉及一种基于全硬件的数字高清摄像机。 [0001] The present invention relates to a digital camera, in particular to a full hardware-based digital high-definition cameras. [背景技术] [Background]

[0002] 现目前,国内市场对于安防监控产品高清晰度和数字化的需求是十分迫切的,特别在一些民用市场和政府市场领域对于数字百万高清都有着非常强烈的渴望。 [0002] is now present, the domestic market for the security monitoring products and digital high-definition demand is very urgent, especially in some of the civilian market and government markets for digital one million high definition have a very strong desire. 现在的安防产品中,绝大多数的模拟摄像设备均不能满足使用环境的需要,导致大量的监控都是无效监控、形同虚设,每当事件发生时都起不到提供重要线索的关键作用。 Now security products, the vast majority of analog video devices can not meet the needs of the environment, resulting in a large number of surveillance monitoring are invalid, non-existent, are not achieve whenever events provide important clues to the key role. 在交通系统中也存在相同的问题,交通部门必须采用清晰度较高的视频监控产品,而目前国内缺乏性能优秀的产品,进口产品价格又很高,急需性价比高的产品。 Also present in the same transportation system problems, the transport sector must adopt high-definition video surveillance products, and the current lack of domestic outstanding performance of products, and the high prices of imported products, in urgent need of cost-effective products.

[0003] 在线检测领域,由于检测质量的要求不断提高,对相机的分辨率要求也不断提高。 [0003] The online testing field, since the detection quality requirements continue to increase, the resolution of the camera is also rising. 相机是检测中信息获取的关键设备,无论后端处理多么强大,没有足够的信息也无法实现良好的检测,这就对相机的分辨率提出了越来越高的要求。 The camera is the key equipment to detect the information obtained, no matter how powerful back-end processing, not enough information can not achieve good detection, which the camera resolution put forward higher requirements. 因此,相机也随之由几十万像素不断发展到几百万像素的高清相机。 Thus, the camera also will be growing by the hundreds of thousands of pixels to several megapixels HD camera.

[0004] 虽然高清相机的优势明显,但其昂贵的价格使得应用受到巨大的限制。 [0004] While the obvious advantage of high-definition camera, but its high price makes the application under great restrictions. 目前主流的产品均采用DSP作为相机中的信号处理器件,高清摄像机中的高速大容量数据流必然要求功能强大的DSP,而对应的DSP价格很贵,这就导致了高清相机的成本无法得到合理的控制。 The current mainstream products are used as a camera DSP signal processing devices, high-definition camera, high-speed large-capacity data streams necessary requirement for powerful DSP, and the corresponding DSP is very expensive, which leads to a high-definition camera costs can not be reasonably control.

[发明内容] [SUMMARY]

[0005] 本发明要解决的技术问题是提供一种基于全硬件的数字高清摄像机,其以现场可编程门阵列模块为系统核心来实现整个相机的控制和信号处理。 [0005] The technical problem to be solved by the present invention is to provide a hardware-based all-digital high-definition cameras, its field programmable gate array module for the system kernel to achieve control and signal processing the entire camera.

[0006] 为了解决上述技术问题,本发明采用的技术方案是:一种基于全硬件的高清数字摄像机,包括电荷耦合模块、可变增益放大模块、模拟数字转换模块、现场可编程门阵列模块、随机存取存储模块、网络缓存模块和网络控制器模块。 [0006] In order to solve the above problems, the technical aspect of the present invention is used: a fully hardware-based high-definition digital video camera, including a charge-coupled module, a variable gain amplifier module, analog-digital conversion module, a field programmable gate array module, random access memory modules, network cache module and network controller module. 电荷耦合模块与可变增益放大模块连接,可变增益放大模块与模拟数字转换模块连接,模拟数字转换模块与现场可编程门阵列模块连接,现场可编程门阵列模块与随机存储模块连接。 CCD module and variable gain amplifier module is connected, the variable gain amplifier module and an analog-digital converter module is connected, analog-digital conversion module and field-programmable gate array module is connected, a field programmable gate array module with random memory modules. 现场可编程门阵列模块对图像流数据分析处理后,根据网络控制器的状态将数据发送到网络控制器模块输出,当网络传输出现占用时,现场可编程门阵列模块将经分析处理后的图像流数据通过网络缓存模块适当缓存后再输出到网络控制器,以防止数据丢失。 After a field programmable gate array module for image streaming data analysis and processing, depending on the state of the network controller sends the data to the network controller module output, transmission occurs when the network occupancy, field programmable gate array module will analyze the processed image by stream data output cache module through the network to the appropriate network controller cache and then, in order to prevent data loss. 网络控制器除了实现数据流的输出功能,还能够将外部的配置参数输入到现场可编程门阵列模块,实现对摄像机的参数配置,以控制摄像机的工作方式。 The network controller in addition to the output data stream, but also to the external configuration parameters input to a field programmable gate array module, camera configuration parameters to control the work of the camera.

[0007] 上述的现场可编程门阵列模块为系统控制模块。 [0007] above the field programmable gate array module for the system control module.

[0008] 上述的现场可编程门阵列模块为电荷耦合模块提供时序控制信号,为随机存取存储模块提供读出和写入控制信号,为网络缓存模块提供读出和写入控制信号;所述的现场可编程门阵列模块通过串口控制可变增益放大模块,通过串口控制模拟数字转换模块,通过串口控制网络控制器模块。 [0008] The above-mentioned field-programmable gate array module provides timing control signals to provide read and write control signal is a random access memory modules to provide read and write control signal for the network buffer module is a charge-coupled module; the field-programmable gate array module through the serial-controlled variable gain amplifier module control via serial analog-digital converter module, control via serial network controller module.

[0009] 上述的现场可编程门阵列模块对图像流数据实时处理和压缩编码。 [0009] The above-mentioned field-programmable gate array module for real-time processing and compression coded image stream data.

[0010] 上述的现场可编程门阵列模块采用JPEG标准对图像流数据压缩编码。 [0010] said field programmable gate array module using the JPEG standard for image compression coding data stream.

[0011] 上述的现场可编程门阵列模块采用MPEG标准对图像流数据进行压缩编码。 [0011] said field programmable gate array module uses MPEG standard for image streaming data compression.

[0012] 上述的现场可编程门阵列模块采用H. 264标准对图像流数据压缩编码。 [0012] The above-mentioned field-programmable gate array module H. 264 standard for image compression coding data stream.

[0013] 本发明的有益效果是,采用全硬件体系实现高清摄像机系统,以现场可编程门阵列为系统核心,实现整个相机的控制和信号处理。 [0013] The beneficial effect of the invention is the use of full hardware system for HD camera system, field programmable gate arrays core of the system for control and signal processing the entire camera. 相对于采用DSP的高清摄像机系统,具有低成本,高可靠性的优点。 With respect to the use of DSP HD camera system, low cost, and high reliability.

[附图说明] [Brief Description]

[0014] 下面结合附图和具体实施方式对本发明作进一步详细的说明。 [0014] below in conjunction with the accompanying drawings and specific embodiments of the present invention will be further described in detail.

[0015] 图1是本发明一种基于全硬件的高清数字摄像机实施例方框图。 [0015] FIG. 1 is a block diagram illustrating an embodiment of the present invention is a hardware-based full-HD digital camcorder.

[0016] 图2是本发明一种基于全硬件的高清数字摄像机实施例现场可编程门阵列(FPGA)模块的控制线路连接方框图。 [0016] FIG. 2 is an embodiment of the present invention implement scene control block diagram of the gate line connection array (FPGA) module of programmable hardware-based full-HD digital camcorder.

[具体实施方式] [DETAILED DESCRIPTION]

[0017] 在图1中,一种基于全硬件的高清数字摄像机,包括电荷耦合模块(CXD)、可变增益放大模块(VGA)、模拟数字转换模块(ADC)、现场可编程门阵列模块(FPGA)、随机存取存储模块(RAM)、网络缓存模块和网络控制器模块;电荷耦合模块(CCD)与可变增益放大模块(VGA)连接,可变增益放大模块(VGA)与模拟数字转换模块(ADC)连接,模拟数字转换模块(ADC)与现场可编程门阵列模块(FPGA)连接,随机存取存储模块(RAM)和网络缓存模块与现场可编程门阵列模块(FPGA)连接,由其控制图像数据的读写和分析处理,并根据网络控制器的状态输出数据。 [0017] In Figure 1, a full hardware-based high-definition digital video camera, including a charge-coupled module (CXD), a variable gain amplifier module (VGA), analog to digital conversion module (ADC), a field programmable gate array modules ( FPGA), a random access memory modules (RAM), a network and a network controller module cache module; charge-coupled module (CCD) and a variable gain amplifier module (VGA) connector, a variable gain amplifier module (VGA) and analog to digital conversion Module (ADC) connected to an analog-digital converter module (ADC) connected to the Field Programmable Gate Array module (FPGA), a random access memory modules (RAM), and network caching module with a field programmable gate array module (FPGA) connected by a its control of the image data read and write and analysis processing, and output data in accordance with the state of the network controller. 当需要对摄像机进行参数配置时,外部命令通过网络控制器作为外界控制信号发往现场可编程门阵列模块,对摄像机参数进行配置。 When the need for camera configuration parameters, external commands via the network controller external control signal sent to a field programmable gate array module, camera parameters to be configured as.

[0018] 如图2所示,现场可编程门阵列(FPGA)模块为系统控制模块,其具体控制方式如下: [0018] As shown, a field programmable gate array (FPGA) modules for the system control module 2, the specific control method is as follows:

[0019] 现场可编程门阵列模块(FPGA)给电荷耦合模块(CCD)提供时序控制; [0019] Field Programmable Gate Array module (FPGA) module to a charge-coupled (CCD) provides timing control;

[0020] 现场可编程门阵列模块(FPGA)控制随机存取存储模块(RAM)的读出和写入; [0020] Field Programmable Gate Array module (FPGA) control module random access memory (RAM), read and write;

[0021] 现场可编程门阵列模块(FPGA)控制网络缓存的读出和写入; [0021] Field Programmable Gate Array module (FPGA) control network cache read and write;

[0022] 现场可编程门阵列模块(FPGA)通过串口控制可变增益放大模块(VGA); [0022] Field Programmable Gate Array module (FPGA) through the serial-controlled variable gain amplifier module (VGA);

[0023] 现场可编程门阵列模块(FPGA)通过串口控制模拟数字转换模块(ADC); [0023] Field Programmable Gate Array module (FPGA) conversion module (ADC) through the serial port control analog and digital;

[0024] 现场可编程门阵列模块(FPGA)通过串口控制网络控制器。 [0024] Field Programmable Gate Array module (FPGA) control via serial network controller.

[0025] 现场可编程门阵列模块(FPGA)对图像数据实时处理和压缩编码。 [0025] Field Programmable Gate Array module (FPGA) and the real-time processing of the image data compression-encoded.

[0026] 压缩编码方式为JPEG压缩编码方式。 [0026] The compression coding is JPEG compression encoding. 本实例所采用的压缩编码方式还可以是MPEG或H264压缩编码方式。 Compression encoding scheme of this example may also be employed H264 or MPEG compression encoding scheme.

[0027] 本实施例中所采用的装有电荷耦合模块(CCD)的数字摄像机是灰度摄像机或彩色摄像机。 Digital Camera [0027] The module is equipped with a charge-coupled (CCD) used in the embodiment example is a grayscale cameras or color cameras.

[0028] 工作原理: [0028] works:

[0029] 电荷耦合模块(CCD)首先将镜头成像的光信号转换为模拟电信号,然后通过可变增益放大模块(VGA)对模拟电信号进行预处理,然后再通过模拟数字转换模块(ADC)将模拟电信号转换为数字信号。 [0029] The charge-coupled module (CCD) first imaging lens optical signal is converted into an analog electrical signal is then amplified by a variable gain module (VGA) analog electrical signal preprocessing, and then through an analog-digital converter module (ADC) The analog electrical signal into a digital signal. 转换后的数字信号存入内存,现场可编程门阵列模块(FPGA)再读取内存中的数据进行图像处理和JPEG(或MPEG或H264)压缩编码,最后通过网络控制器传出。 The converted digital signal is stored in memory, field programmable gate array module (FPGA) and then read the data in memory for image processing and JPEG (or MPEG or H264) encoding, and finally came through the network controller. 当网络传输出现占用时,现场可编程门阵列模块之(FPGA)能够通过网络缓存模块进行适当的缓存,避免数据丢失。 Transmission occurs when the network occupancy, field programmable gate array module of (FPGA) to permit adequate buffer cache module through the network, to avoid data loss. 当需要对摄像机进行参数配置时,外部命令通过网络控制器发往可编程门阵列模块,对摄像机参数进行配置。 When the need for camera configuration parameters, external commands sent to the programmable gate array module through the network controller, camera configuration parameters.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
CN101227625A *4 Feb 200823 Jul 2008长春理工大学Stereoscopic picture processing equipment using FPGA
CN101478670A *30 Dec 20088 Jul 2009西安交通大学Network real-time video collecting apparatus developed based on FPGA chip and DSP chip
CN101543396A *24 Mar 200930 Sep 2009奥林巴斯医疗株式会社Image pickup system and method for maintaining the same
CN101577050A *25 Dec 200811 Nov 2009四川川大智胜软件股份有限公司Intelligent traffic digital monitor and application thereof
CN102006420A *17 Dec 20106 Apr 2011四川川大智胜软件股份有限公司Design method capable of using external synchronous for cameral with various data output formats
CN102044155A *20 Oct 20094 May 2011西安费斯达自动化工程有限公司Vehicle configuration dimension image detection and analysis device based on field programmable gate array (FPGA)
CN201467278U *7 Aug 200912 May 2010安防制造(中国)有限公司;广东响石数码科技有限公司Digital high-definition camera
CN201548484U *20 Oct 200911 Aug 2010西安瑞日电子发展有限公司Universal multi-path digital image simulating source
CN201682557U *11 Dec 200922 Dec 2010四川川大智胜软件股份有限公司CCD camera device for resisting longitudinal halo
CN202059481U *13 May 201130 Nov 2011合肥埃科光电科技有限公司Digital high definition video camera based on general hardware
US20080144185 *31 Aug 200719 Jun 2008Hand Held Products, Inc.Apparatus and method comprising deformable lens element
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
CN104506815A *30 Dec 20148 Apr 2015黑龙江大学Remote image monitoring device and monitoring method based on FPGA
Classifications
International ClassificationH04N19/42, H04N5/225
Legal Events
DateCodeEventDescription
14 Sep 2011C06Publication
2 Nov 2011C10Entry into substantive examination
11 Dec 2013C02Deemed withdrawal of patent application after publication (patent law 2001)