327 results about "Video Graphics Array" patented technology

The invention discloses a method for realizing data sharing between a power distribution main station system and a power distribution GIS (Geographic Information System). The method comprises the following steps of: establishing a pattern model: establishing a corresponding model scanning file and a figure scanning file for power equipment belonging to a power distribution grid in the GIS; exporting files: exporting the model scanning file and the figure scanning file into a model information file in the format of xml and a pattern information file in the format of SVG (Video Graphics Array) which follows the IEC 61970/IEC 6196I standard; transmitting files: transmitting the exported model information file and the pattern information file from the GIS to the main station system; and converting files: after the main station system receives the model information file and the pattern information file, converting the files into a model file and a pattern file of private formats of the main station system for saving respectively. The invention further discloses a system for realizing data sharing between a power distribution main station system and a power distribution GIS. By adopting the method and the system, system combination and data sharing inside a power grid information system can be realized effectively, and the investment and maintenance costs are lowered greatly.

The invention discloses an optical flow-based gesture motion direction recognition method. The method comprises the following steps of acquiring an image sequence on the front of a computer by using a common camera with video graphics array resolution, and preprocessing the image sequence; distributing skin samples in an approximately elliptical area in a CbCr plane in a concentrated way, and determining whether to accord with skin colors according to a fact whether a pixel point falls in the elliptical area in the CbCr plane; performing morphological reconstruction on binary images subjected to skin color detection, and adopting closed operation in morphology; marking each white connected region, calculating an area of each white connected region, arraying white connected regions from large to small, and reserving three largest connected regions; reducing the resolution of the images, and acquiring an optical flow motion vector in a skin color area by using a pyramid LK optical flow method; judging the direction of the optical flow motion vector; judging the direction once every other two frames, and giving a result if directions are consistent twice; after a user is familiar with and masters the gesture motion operation rule, moving the gesture in the upper, lower, left and right directions before the camera. According to the method, real-time interaction can be completed, and the gesture motion direction recognition accuracy can be higher than 95 percent.

The present invention relates to a power management method of portable computer and detects the electric power consumption of portable computer through a detection circuit during the operation of portable computer, in addition, dynamically changes any one of the followings: the voltage and frequency of portable computer CPU, the frequency and efficacy of Video Graphics Array (VGA), or the frequency of memory. What is more, the invention provides a plurality of power management modes of portable computer for achieving the object of managing electric power consumption of portable computer.

The invention discloses an ultrahigh-definition signal conversion device and a conversion method thereof. The ultrahigh-definition signal conversion device is connected with a movement board of a television and comprises a signal receiving module and a signal conversion module, wherein the signal receiving module is used for receiving V-BY-ONE signals outputted by a mainboard, performing data initialization on the V-BY-ONE signals and outputting the V-BY-ONE signals subjected to data initialization to the signal conversion module, and the signal conversion module is used for converting the V-BY-ONE signals into LVDS (low-voltage differential signaling) to output and converting the LVDS into HDMI (high-definition multimedia interface) signals and VGA (video graphics array) signals to output. All maintenance points can know maintenance conditions by the aid of common FHD (full-high-definition) screen tooling equipment supportive to LVDS, HDMI signal or VGA signal input, so that the maintenance requirements of mainboards of ultrahigh-definition televisions are met, configuration of an ultrahigh-definition screen is unneeded, after-sales maintenance cost is reduced greatly and the device and the method are high in universality and convenient for maintaining the mainboards of the kind.

The invention relates to an intelligent home controller based on eye-movement tracking and an intelligent home control method based on eye-movement tracking, and belongs to the field of wireless control. The problem that the existing intelligent home controller adopts a press key or touch input mode, so that the existing intelligent home controller cannot be applicable to special user groups with limb obstacles. The intelligent home controller based on eye-movement tracking comprises an image collecting module, an image processing module, a communication module, an FPGA (Field Programmable Gate Array) module and a sub module, wherein the sub module is integrated inside an FPGA chip. The intelligent home control method based on the eye-movement tracking comprises the steps that: the image processing module performs binarization processing on collected face images; the human eye pupils and the light spot positions, displayed on the human eye scleras, of an infrared lamp are found out; the sight line direction of the human eye is estimated; and in a VGA (Video Graphics Array) liquid crystal display, the designed user interface and the user slight line position are displayed in the liquid crystal display screen by the image display module, and the human-computer interaction is realized. A non-contact control mode is adopted, so that the interference on users is reduced to the greatest degree, and the burden of the user is lightened.

A high-speed vision capture apparatus of a moving object characteristic belongs to the image processing field and the machine vision image measurement field. In the high-speed vision measurement, a real-time processing speed is not fast, a data volume is large and a transmission speed is low. By using the apparatus of the invention, the above problems can be solved. The apparatus comprises: a field-programmable gate array (FPGA), a digital signal processor (DSP), an advanced RISC machines (ARM) microprocessor, a network chip, an original image video graphics array (VGA) interface module, a processing image VGA interface module, a digital camera interface module, a first and a second first in first out (FIFO) data buffers. A digital camera collects an original image to the FPGA. The FPGA is connected with the original image VGA interface module and the processing image VGA interface module. A cached output terminal of the FPGA is connected with input terminals of the first and a secondFIFO data buffers respectively and is connected with the DSP. The DSP is connected with the ARM microprocessor. The ARM microprocessor is connected with a control signal input terminal of the FPGA. The ARM microprocessor is connected with a computer through the network chip.

A VGA card assembly includes a VGA card (90) having a heat-generating electronic component (94) mounted thereon and a heat dissipating device thermally connecting with the electronic component. The assembly includes a flow director (50) defining a receiving room (57) therein. A thermal module (10) is received in the receiving room. A bottom of the thermal module contacts with the heat-generating electronic component. A cover (80) is movably mounted on the flow director to cover the thermal module in the flow director. The cover is capable of rotating or sliding relative to the flow director to facilitate open or close of the receiving room. When the receiving room is opened, the thermal module is exposed.

The invention provides a display debug system and a debug method thereof. The display debug system of the invention comprises a host computer and a target display, wherein, the host computer comprises a graphics card unit, a driver layer and an application program layer; the graphic card unit comprises a video graphic array interface; the target display comprises an image zooming chip and a video graphic array interface; wherein, the application program layer comprises a plurality of chip type data and a graphic user interface; the host computer and the target display are connected and communicated with each other through the video graphic array interfaces of each other; the application program layer is communicated with the driver layer through an input and output control channel; the driver layer controls and drives the graphics card unit for reading and writing the image zooming chip; data of the image zooming chip is displayed on the target display through the graphic user interface; after modification and debugging, a debug result is directly displayed on the target display. The display debug system of the invention has the advantages of time saving and convenience of the display debug process and is universally used for a plurality of chips.

The invention relates to an automatic test method and a system of television flow line production. The method includes that a control instruction generated by a personal computer (PC) is converted to a wireless control signal, the wireless control signal is used for controlling a signal generator which is arranged on a test flow line and connected with a television to be tested to output audio/video (AV), super-video (S-VIDEO), component, high-definition multimedia interface (HDMI), display port (DP) and video graphics array (VGA) video signal or audio signal to the television to be tested, and a display image and a voice signal which are output by the television to be tested are collected through an industrial camera and a microphone to be tested. According to the automatic test method and the system of the television flow line production, an operator at each station of a prior flowline production is replaced by an existing device to achieve automatic test and control, the full automation of the television image detection is achieved, the flowline production can be achieved, the television arriving at station can be automatically detected, the manpower is saved, and the detection efficiency is improved.

The invention relates to a portable wireless mobile emergency command platform based on multiple 3G networks. The command platform is in a suitcase type structure, wherein the case body comprises an upper cover and a lower case which are connected in a hinge opening-closing manner; the back side of an inner panel of the upper cover is provided with a data processing and interchanging master control unit, a data storage hard disk, a liquid crystal display, a VGA (Video Graphics Array) distribution unit and a fan set rack; the panel is mainly provided with a USB (Universal Serial Bus) interface, an RS 232 interface and an external display VGA output interface; the panel of the lower case consists of vertically splitlevel table boards, the higher table board is provided with a card interface, and the upper corner is provided with heat discharging and radiating fan holes and internal loudspeaker sound outlet holes; an interface board and an audio preprocessing unit are arranged below the higher table board; a connector socket is arranged on the lower table board; and an audio/video encoding unit, a network interchange unit and a communication unit are arranged below the lower table board. The invention solves the problem that emergency video meetings cannot be held in the traditional emergency command centers and incident sites and can be used for replacing an expensive satellite communication vehicle for the emergency command of sudden events.

The invention relates to a cross-platform numerical control system, which is technically characterized in that a display screen, a MDI (Multiple Document Interface) keyboard box, a machine tool operation panel box, a soft key box and a hand wheel box are all mounted on a control panel of a case of the cross-platform numerical control system; a control circuit in the case comprises a PCI (Peripheral Component Interconnect) numerical control operation element state scanning main board, an industrial control main board and a motion control card, which are orderly connected in a RS232 mode; the PCI numerical control operation element state scanning main board is connected with the MDI keyboard box, the machine tool operation panel box, the hand wheel box and the soft key box through a serial port, the industrial control main board is connected with the display screen via a VGA (Video Graphics Array) port, and the motion control card is connected with a numerical control machine tool main body through a driver interface and a coder interface. According to the invention, different types of numerical control systems can be reconstructed quickly by replacing the MDI keyboard box, the machine tool operation panel box and the soft key box and changing the function mappings, so that the cross-platform numerical control system has wide market and application prospect in the fields of numerical control system development, function demonstration, simulation, vocational skill training and the like.

The invention discloses a server display method and device, and relates to the technical field of a computer application. The server display device disclosed by the invention comprises a bridge PCH, a single board management controller BMC, and a newly increased display unit connected with the PCH and the BMC. When the BMC is not started fully, if the newly increased display unit detects that the PCH sends out a starting state signal, the newly increased display unit outputs pre-stored information to a display screen. When the newly increased display unit detects that the display module of the BMC is initialized completely, the newly increased display unit switches the video graphics array VGA signals output by the display module of the BMC to the display screen. The invention also discloses a server display method. According to the technical scheme, the display blank in an electrified self-detection time period is filled up, the user experience of the product is improved, error indication in the self-detection period is output to the display screen, and the failure of the product can be positioned rapidly and conveniently.

An image pickup apparatus includes a plurality of output channels and appropriately operates depending on use situation. The image pickup apparatus includes a system control for determining whether a condition is set on a resolution representing a first speed mode, a resolution representing a second speed mode faster than VGA (Video Graphics Array), or an HDTV (High Definition TeleVision) to generate a control signal depending on the determination result. The control signal controls a drive mode control. Under the control of a timing signal generator responsive to a control signal supplied from the drive mode control, an image sensor and a driver therefor provides image signals captured on two outputs or a single output. The drive mode control controls processing of the image signals in a preprocessor so as to correspond to the number of the output channels of the image sensor.

The invention provides a blade server KVW (keyboard, video and mouse) device. The device comprises a KM (keyboard and mouse) system and a VGA (video graphics array) system, wherein a CPU1 (central processing unit) receives a switching command of the device, and switches the KM system and the VGA system into the same computing blade at the same time; the KM system carries out local and remote control on a keyboard and a mouse, and the VGA system carries out local and remote control on the VGA. The device is low in cost, simple in structure, simple to achieve and low in cost, and the used chips are common ICs. Meanwhile, various KVM control modes are achieved. A user can automatically compile codes according to the understanding; no OSD (on-screen-display) menu mode exists in the existing BMC (baseboard management controller) management mode at present, and the problems such as intellectual property cost are also related.

An embodiment of the invention discloses a VGA (Video Graphics Array) full-resolution locked display system, which comprises a three-way ADC (Analog to Digital Converter), a video format conversion unit, a zoom unit, an output post-processing and display unit, a DDS (Direct Digital Synthesizer), a row lock unit, an automatic display adjustment unit and a video detection unit. The invention also provides a VGA full-resolution locked display method. According to the system and the method, an input VGA signal can be displayed and output without limitation of resolution.

The invention discloses a novel interactive medical ultrasound display and input system. The system is characterized by comprising a tablet PC, video glasses, a motion sensor, a wireless router and an ultrasound machine, wherein the tablet PC establishes a network connection with the ultrasound machine through Wifi and performs communication through a network socket; the ultrasound machine sends scanned images and scanning parameters to the tablet PC for real-time display; the tablet PC sends control commands or measuring results to the ultrasound machine through the network socket, and the ultrasound machine operates automatically according to different operation commands; the video glasses are connected with the ultrasound machine through USB, Bluetooth, video graphics array (VGA) and the like; and a user can control the ultrasound machine through modes such as nodding, raising head and left and right rolling of eyes, and ultrasound images can be displayed on the video glasses in real time simultaneously. The system has the advantages of high efficiency, effectiveness and usability.

The invention discloses a self-service toll collector, which consists of a master control unit/industrial personal computer and peripheral functional modules, wherein the peripheral modules comprise a paper money processing module (1), a coin processing module (2), barcode scanner (3), an operating state display (4), a maintenance display (5), a maintenance keyboard (6), an operation display (7), an infrared touch screen (8), a non-contact integrated circuit (IC) card reader-writer (9) and an integrated controller (10) which are connected by serial ports, universal serial bus (USB) interfaces, low voltage differential signaling (LVDS) interfaces, video graphics array (VGA) interfaces and Ethernet interfaces. A vehicle owner can perform self-service toll collection by paper money and coins. The self-service toll collector can work in a normal mode, a maintenance mode, an isolated island mode and an operation stopping mode which can be switched, adopts a powerful modular network upgrading technology, has a friendly human-computer interaction interface and complete communication functions, is safe and convenient to operate, ensures the normal uploading of transaction data and equipment data, and receives parameters and commands from an upper computer.

The invention discloses a VGA (Video Graphics Array) port test device. The VGA port test device comprises a test signal module, a voltage collection module, a frequency collection module, a control module and a prompting module, wherein the test signal module is used for sending a video test signal to a VGA port; the voltage collection module is respectively used for collecting voltage signals at a red signal output end, a green signal output end and blue signal output end of the VGA port; the frequency collection module is used for collecting a line frequency signal of a line synchronous signal output end and a field frequency signal of a field synchronous signal output end of the VGA port; the control module is preset with a red voltage comparison value, a green voltage comparison value, a blue voltage comparison value, a line frequency comparison value and a field frequency comparison value which correspond to the video test signal, and the control module is used for sequentially and respectively comparing the comparison values with a red voltage signal, a green voltage signal, a blue voltage signal, the line frequency signal and a field synchronous signal one by one, and judging whether all the comparison values are respectively equal to signals or not; and the prompting module is used for prompting that the VGA port is normal if the comparison values are respectively equal to signals or prompting abnormal if the comparison values are not respectively equal to signals. According to the VGA port test device disclosed by the invention, the test is convenient. In addition, the invention also provides a VGA port test method.

The invention relates to an intelligent multimode multi-view integrated camera, and provides a novel embedded visual system with multifunction and high resolution, frame frequency and performance. The camera adopts an embedded platform, simultaneously integrates two paths of charge coupled device (CCD) cameras and a path of complementary metal oxide semiconductor (CMOS) camera, and fully develops the advantages of the cameras adopting a CCD mode and a CMOS mode. The system has a compact structure and high hardware integration degree, provides standard interfaces such as an RS-232 interface, an RS-485 serial port, a network port, integrated development environment (IDE) interfaces, a video graphics array (VGA) interface, a bayonet nut connector (BNC) video interface and the like, and can access a network in a wired or general packet radio service (GPRS)/enhanced data rate for global system for mobile communication (GSM) evolution (EDGE)/third-generation (3G) wireless way and transmit video data, control information and the like. The RS-485 serial port controls holder and camera parameters and the like. VGA output and BNC output is used for local display and playback. Besides acquiring videos, the two paths of CCD cameras also can be used for binocular positioning and the acquisition of target three-dimensional depth information. The CMOS camera is used for high-speed target capturing and tracking. The IDE interface mounts a hard disk for the storage of image data information and the like. The camera can be flexibly used in the fields of traffic monitoring, military scouting, machine vision, industrial inspection and the like.

The invention discloses an airborne general video acquisition system. The system comprises a main acquisition unit and a plurality of auxiliary acquisition units, wherein the main acquisition unit comprises a power module I, a plurality of LSB bus function modules I, a plurality of HSB (home bus system) bus extension modules and a master control module which are sequentially connected; each auxiliary acquisition unit comprises a power module II, a plurality of LSB bus function modules II and an LSB extension module which are sequentially connected, the plurality of LSB bus function modules II include a DVI/VGA (digital video interface/video graphics array) acquisition and compression module, an LVDS (low voltage differential signaling) acquisition and compression module, a PAL (phase alteration line) acquisition and compression module, an SDI (serial digital interface) acquisition and compression module, a PCM (pulse code modulation) encoding module, a timing system module and a PCM acquisition module or extension record module respectively, and the LSB extension modules of the plurality of auxiliary acquisition units are connected with any one of the HSB bus extension modules of the main acquisition unit respectively. The airborne general video acquisition system acquires video signals of multi-channel display screens, lower displays and additional cameras on a plane simultaneously, thereby realizing multi-channel telemetering downloading of the video signals, facilitating flight monitoring, providing network output and local record and facilitating post-processing of flight data.

The invention discloses a multiple input video processing card. The card comprises a field programmable gate array (FPGA) chip and a video processor which is connected to the FPGA chip, wherein the FPGA chip is connected to a low voltage differential signaling (LVDS) converting red, green, blue (RGB) chip, an LVDS video input interface is arranged on the LVDS converting RGB chip, the video processor is connected to a video coder, an analog video input interface is arranged on the video coder, and the FPGA chip is connected to a video graphic array (VGA) output interface through a digital analog converter. The card can process analog signals and digital signals at the same time and outputs analog signals and digital signals to a monitor for display. The card has the advantages of being simple in structure and low in cost.