CN106713900A - ARM and LINUX measuring system of NEXT series product - Google Patents
ARM and LINUX measuring system of NEXT series product Download PDFInfo
- Publication number
- CN106713900A CN106713900A CN201510787316.4A CN201510787316A CN106713900A CN 106713900 A CN106713900 A CN 106713900A CN 201510787316 A CN201510787316 A CN 201510787316A CN 106713900 A CN106713900 A CN 106713900A
- Authority
- CN
- China
- Prior art keywords
- interface
- linux
- sensor
- next series
- structured light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses an ARM and LINUX measuring system of a NEXT series product. The ARM and LINUX measuring system is composed of an embedded processor, a line-structured optical projector, an image sensor, an application program, a CAN bus interface, a serial communication interface, an Ethernet interface and a storage device. The embedded processor adopts an S3C6410 type chip; the line-structured optical projector adopts an HLM1230 red laser, is in bidirectional connection with the embedded processor and is used for emitting out optical signals to a measured object; the image sensor adopts an OV9650 type CMOS image sensor, is in bidirectional connection with the embedded processor through an FPC plug-in and is used for obtaining structured light information on the surface of the measured object; the application program is used for process execution of the system and control of a hardware device; the CAN bus interface, the serial communication interface and the Ethernet interface are directly in bidirectional connection with the embedded processor and are used for finishing system debugging, PC communication and communication with other devices; and the storage device is in bidirectional connection with the embedded processor through the USB interface and is used for system caching and information storage.
Description
Technical field
The invention belongs to the concrete application of object fields of measurement, more particularly to a kind of ARM and LINUX measuring systems for the special detection of object profile.
Background technology
Vision system in Industry Control experienced from analog to digital, from centralization to distributed evolution.The vision system of early stage, IMAQ is carried out using analog video camera, and the transmission of vision signal is carried out by coaxial cable, and computer is further processed to it again after analog quantity vision signal is changed into digital quantity vision signal using IMAQ board.For analog vision system, due to being limited by video signal standard, image resolution ratio and frequency acquisition are restricted, it is impossible to meet the requirement of high speed, high-definition image collection and treatment；Current this kind of analog vision system is mainly used in the protection and monitor field not high to image quality requirements.
With the development of computer technology, digital-visual system is able to fast-developing and application, it mainly carries out IMAQ using digital camera, by LVDS, CameraLink, USE, IEEE 394/Firewire communication interfaces are by Digital Image Transmission is to computer and is processed, with the raising of digital communication bandwidth and computer process ability, digital-visual system can meet most practical application request.Vision system towards industry spot application need to meet the treatment of localization Quick Acquisition, the requirement of compact overall structure.It is developed based on Embedded intelligent camera, it is typically made up of DSP, FPGA, ARM high-performance microprocessor and CCD or cmos image sensor, completes the function of IMAQ, treatment and communications in itself by intelligent camera.Compared with the vision system based on PC, it has great advantage in terms of system architecture, power consumption, volume.But had some limitations in the application of intelligent camera at this stage, be mainly manifested in：First as high-end devices, its is relatively costly, unsuitable in industry spot to carry out popularization and application on a large scale as general vision measurement sensor；Secondly, standard video interface and Ethernet interface are used the interface of intelligent camera, the fieldbus usually used with industry spot and control signal output interface mode are inadaptable more；Finally, the secondary development difficulty of intelligent camera is larger, and the programming of the different images treatment carried out especially for the different application demand of industry spot sets more complicated, and the technical merit requirement to field engineer is higher.
The present invention is towards industry spot application, propose a kind of embedded intelligence vision measuring sensor, it is programmed setting by graphical configuration software, the autonomous collection and treatment for completing image, it is equipped with line-structured light projector, picture signal can be converted into by measurement amount or quantity of state according to principle of triangulation, measurement result can be exported by fieldbus, ethernet interface, realize live vision measurement function.The present invention reduces the development difficulty of vision measurement system using the programming mode of graphical configuration, and the communication interface towards commercial Application improves the adaptability of industry spot, and the application to vision measurement system towards industry spot is significant.The system has the characteristics of accuracy of detection is high, applied widely, with low cost, stable, the speed of service is fast.
The content of the invention
In order to design a embedded intelligence vision measurement system for meeting industry spot demand, the present invention devises NEXT series of products ARM and LINUX measuring systems.It is an object of the present invention to provide a kind of with ARM the and LINUX measuring systems that accuracy of detection is high, applied widely, with low cost, stable, the speed of service is fast.
In order to realize said system, the present invention is adopted the technical scheme that：
NEXT series of products ARM and LINUX measuring systems, it is characterised in that the system is made up of embeded processor, line-structured light projector, imageing sensor, application program, CAN interface, serial communication interface, Ethernet interface, storage device；Specifically, linear structure light projector sends the structure light of certain pattern, testee is scanned, structure light forms feature striation on testee surface, the three-dimensional gabarit feature of the testee for then being contained by the three-dimensional coordinate information on all laser stripes of imageing sensor acquisition, the information for getting is processed and analyzed by embeded processor, perform application program, by means of three-dimensional reconstruction correlation technique, and then restore the three-D profile of testee, so as to complete measurement, pass through CAN interface simultaneously, serial communication interface, the debugging of Ethernet interface completion system, PC communicates and the communication between other equipment.
In NEXT series of products ARM and the LINUX measuring systems, the embeded processor is using the S3C6410 using Samsung as core processor, it is made up of ARM1176JZF-S kernels, several multimedia coprocessors and various peripheral hardware IP, dominant frequency is 553/667MHz, ARM1176 processors are connected on several Memory Controller Hub by 64 AXI buses, meet the demand of bandwidth, support ITU R BT-601/656 8 standards of YCbCr, there is preview DMA and encoding and decoding DMA inside it, and supports that image mirrors rotate and data zoom function.
In NEXT series of products ARM and the LINUX measuring systems,Described NEXT series of products ARM and LINUX measuring systems,It is characterized in that,The line-structured light projector is the HLM1230 red lasers of 650nm from wavelength,Its maximum power dissipation is 5mW,It has small volume,It is low in energy consumption,The characteristics of output stabilization,It is easy to integrated use,In sensor hardware design,Line-structured light projector is rigidly connected with the surface structure of sensor,Fix the projector and the relative position of imageing sensor,To ensure that line-structured light plane relative position in imageing sensor coordinate system is fixed,Now,For vision measuring sensor overall structure,Line-structured light plane equation parameter under imageing sensor coordinate system is definite value,In actual use only need to be to line-structured light plane reference once.
In NEXT series of products ARM and the LINUX measuring systems, cmos image sensor OV9650 of the described image sensor from OmniVision companies, it has 1300 × 1028 effectively usable pattern matrixs, support SXGA (1280 × 1024), VGA (640 × 480), the image output format of QVGA (320 × 240), in SXGA, maximum rate is 15fps, it is 30fps in VGA, the setting of different resolution form can be carried out to the register of its inside by SCCB agreements.
In NEXT series of products ARM and the LINUX measuring systems, the CAN interface, serial communication interface, operator scheme of the Ethernet interface by means of Bootloader, by serial ports input debug command and related output information can be printed, ethernet communication is removed can be in the realization of debugging stage and the NFS of host, outside the service of tftp, the configuration sequence needed for embedded intelligence vision measuring sensor is performed can also be transmitted, and the three-dimensional point coordinate information transmission that the image that will be collected and treatment are obtained gives PC software clients, CAN mainly realizes the communication function with other-end, and complete issuing for PC end sensor control commands.
In NEXT series of products ARM and the LINUX measuring systems, the U-Boot bootstrap workflows of the system are as follows：
Step 1, beginning；
The stack of step 2, initialization IRQ/FIQ patterns；
Step 3, setting system clock；
Step 4, initialization timer；
Whether the ambient parameter on step 5, inspection Flash is effective；
Step 6, initialization serial ports console；
Step 7, the mapping of detecting system internal memory；
Step 8, initialization NOR
Flash；
Step 9, by ambient parameter read in internal memory specified location；
Step 10, the initialization network equipment；
Step 11, call primitive recursive function；
Step 12, judge whether set ambient parameter, be to go to step 13, otherwise go to step 15；
Step 13, judge whether serial ports has input in the time limit, be to go to step 15, otherwise go to step 14；
Step 14, execution system start order；
Step 15, circulation read serial data and perform the corresponding command.
In NEXT series of products ARM and the LINUX measuring systems, the IMAQ flow of system imageing sensor is as follows：
Step 1, beginning；
Step 2, opening video equipment；
Step 3, inquiry video equipment ability；
Step 4, setting video acquisition form；
The screen buffer of step 5, application kernel spacing；
Step 6, the screen buffer spatial information of inquiry application；
Step 7, by screen buffer space reflection to user's space；
Step 8, empty screen buffer enter video input queue；
Step 9, startup video acquisition；
Step 10, judge whether continue gather, be to go to step 11, otherwise go to step 13；
Step 11, empty screen buffer enter video input queue；
Step 12, video data go out video buffer output queue；
Step 13, closing video acquisition；
Step 14, releasing internal memory mapping；
Step 15, closing video equipment；
Step 16, end.
The beneficial effects of the invention are as follows：
NEXT series of products ARM and LINUX measuring systems, the system is made up of embeded processor, line-structured light projector, imageing sensor, application program, CAN interface, serial communication interface, Ethernet interface, storage device；Wherein, embeded processor supports ITU R using the S3C6410 using Samsung as core processor
8 standards of BT-601/656 YCbCr, have preview DMA and encoding and decoding DMA, and support that image mirrors rotate and data zoom function inside it；Line-structured light projector is the HLM1230 red lasers of 650nm from wavelength, low in energy consumption with small volume, exports the characteristics of stablizing；Imageing sensor supports SXGA (1280 × 1024), VGA (640 × 480), the image output format of QVGA (320 × 240) from the cmos image sensor OV9650 of OmniVision companies；The operator scheme of CAN interface, serial communication interface, Ethernet interface by means of Bootloader, by serial ports input debug command and related output information can be printed, the configuration sequence needed for embedded intelligence vision measuring sensor is performed can be also transmitted, and the three-dimensional point coordinate information transmission that the image that will be collected and treatment are obtained gives PC software clients；The system has the characteristics of accuracy of detection is high, applied widely, with low cost, stable, the speed of service is fast.
Brief description of the drawings
The present invention is further explained below in conjunction with the drawings and specific embodiments.
Fig. 1 is NEXT series of products ARM and LINUX measuring system overall framework figures；
Fig. 2 is image sensor interface circuit theory diagrams；
Fig. 3 is serial communication interface schematic diagram；
Fig. 4 is Ethernet interface schematic diagram；
Fig. 5 is CAN interface schematic diagram；
Fig. 6 is U-Boot bootstrap workflow diagrams；
Fig. 7 is IMAQ flow chart.
Specific embodiment
Specific embodiment of the invention is：Described NEXT series of products ARM and LINUX measuring systems, its line-structured light projector is bi-directionally connected with embeded processor；Imageing sensor is bi-directionally connected by FPC connectors and embeded processor；CAN interface, serial communication interface, Ethernet interface are directly bi-directionally connected with embeded processor；Storage device is bi-directionally connected by USB interface with embeded processor；Specifically, linear structure light projector sends the structure light of certain pattern, testee is scanned, structure light forms feature striation on testee surface, the three-dimensional gabarit feature of the testee for then being contained by the three-dimensional coordinate information on all laser stripes of imageing sensor acquisition, the information for getting is processed and analyzed by embeded processor, perform application program, by means of three-dimensional reconstruction correlation technique, and then restore the three-D profile of testee, so as to complete measurement, pass through CAN interface simultaneously, serial communication interface, the debugging of Ethernet interface completion system, PC communicates and the communication between other equipment.
Fig. 1 is NEXT series of products ARM and LINUX measuring system overall framework figures, and the system is made up of embeded processor, line-structured light projector, imageing sensor, application program, CAN interface, serial communication interface, Ethernet interface, storage device；Wherein, embeded processor uses S3C6410 cake cores；Line-structured light projector selects HLM1230 red lasers, is bi-directionally connected with embeded processor, for sending optical signal to testee；Imageing sensor selects OV9650 type cmos image sensors, is bi-directionally connected by FPC connectors and embeded processor, the structure optical information for obtaining measurand surface；Application program is used for the flow execution and the control of hardware device of system；CAN interface, serial communication interface, Ethernet interface are directly bi-directionally connected with embeded processor, and the debugging, PC for completion system communicate and the communication between other equipment；Storage device is bi-directionally connected by USB interface with embeded processor, for the caching and information Store of system.
Fig. 2 is image sensor interface circuit theory diagrams, cmos image sensor OV9650 of the imageing sensor from OmniVision companies, it has 1300 × 1028 effectively usable pattern matrixs, support SXGA (1280 × 1024), VGA (640 × 480), the image output format of QVGA (320 × 240), in SXGA, maximum rate is 15fps, it is 30fps in VGA, the setting of different resolution form can be carried out to the register of its inside by SCCB agreements；Imageing sensor digital interface circuit voltage DOVDD is powered using 3.3V；In order to improve the stability of sensor digital core logic, DVDD is individually powered using 1.8V power supplys；CMOS is designed with the interface of microprocessor using FPC connectors.
Fig. 3 is serial communication interface schematic diagram, electrical characteristic regulation in RS-232 communication standards, voltage of the output voltage relative to earth signal between -5V ~ -15V represents the level of logic 1, voltage between+5V ~+15V represents logical zero level, this is inconsistent with the TTL logic levels of microprocessor pin, realizes the conversion of Transistor-Transistor Logic level and RS-232 level in text from MAX202E；MAX202E is contained within two drivers and two receivers, and message transmission rate is up to 120Kbit/s；Powered using+5V power supplys during work, completing circuit by only needing 4 electric capacity of 0.1uF of dispensing builds.
Fig. 4 is Ethernet interface schematic diagram, has Ethernet interface because microprocessor S3C6410 does not collect, and need to extend out Ethernet interface by network interface chip；Common Ethernet chip has CS8900A, DM9000, and the present invention selects DM9000A, and data-bus width is 16 in design, and DM9000A uses 16 mode of operations；Because the data-signal and address signal of DM9000A are time-sharing multiplex, ADDR2 is directly connected to CMD pins, address signal is transmitted on data/address bus when for low level, data/address bus uploads delivery data signal when for high level；IOR, IOW are respectively the read write command port of controller；CS# is chip selection signal；Interrupt request singal is connected to XEINT7 interrupt pins；Network interface socket selects the RJ45 interfaces with network transformer, sensor can be connected into interchanger or router by RJ45 interfaces straight-through network cables, it is possible to use sensor is directly connected to PC by crossover network cables.
Fig. 5 is CAN interface schematic diagram, in order to extend CAN interface, CAN controller and transponder chip has been used respectively.Wherein, MCP2510 is a CAN controllers with SPI interface, the information frame of standard or extension can be received and dispatched, there is the function of accepting filter with information management simultaneously, it is internal containing two reception buffers and three transmission buffers, by spi bus interface communicate the read-write operation realized to register with MPU, and data transmission rate is up to 5Mbps.MCP2551 can provide difference transmission-receiving function for MCP2510, as the physical interface of bus, the data signal that controller is exported can be converted to differential signal, and take the buffer between CAN controller and bus, and its transmission rate is up to 1Mb/s.
Fig. 6 is U-Boot bootstrap workflow diagrams, and the U-Boot bootstrap workflows of the system are as follows：
Step 1, beginning；
The stack of step 2, initialization IRQ/FIQ patterns；
Step 3, setting system clock；
Step 4, initialization timer；
Whether the ambient parameter on step 5, inspection Flash is effective；
Step 6, initialization serial ports console；
Step 7, the mapping of detecting system internal memory；
Step 8, initialization NOR
Flash；
Step 9, by ambient parameter read in internal memory specified location；
Step 10, the initialization network equipment；
Step 11, call primitive recursive function；
Step 12, judge whether set ambient parameter, be to go to step 13, otherwise go to step 15；
Step 13, judge whether serial ports has input in the time limit, be to go to step 15, otherwise go to step 14；
Step 14, execution system start order；
Step 15, circulation read serial data and perform the corresponding command.
Fig. 7 is IMAQ flow chart, and the IMAQ flow of the system imageing sensor is as follows：
Step 1, beginning；
Step 2, opening video equipment；
Step 3, inquiry video equipment ability；
Step 4, setting video acquisition form；
The screen buffer of step 5, application kernel spacing；
Step 6, the screen buffer spatial information of inquiry application；
Step 7, by screen buffer space reflection to user's space；
Step 8, empty screen buffer enter video input queue；
Step 9, startup video acquisition；
Step 10, judge whether continue gather, be to go to step 11, otherwise go to step 13；
Step 11, empty screen buffer enter video input queue；
Step 12, video data go out video buffer output queue；
Step 13, closing video acquisition；
Step 14, releasing internal memory mapping；
Step 15, closing video equipment；
Step 16, end.
General technical staff of the technical field of the invention also will readily appreciate that the specific embodiment for illustrating herein and illustrating can further change combination in addition to the foregoing.Although the present invention is to give diagram explanation with regard to its preferred embodiment, person skilled in the art to the present invention, it is recognized that in the spirit and scope of the present invention for being limited in the attached claims, can also make various changes and variation.
Claims (7)
1.NEXT series of products ARM and LINUX measuring systems, it is characterised in that the system is made up of embeded processor, line-structured light projector, imageing sensor, application program, CAN interface, serial communication interface, Ethernet interface, storage device；Wherein, embeded processor uses S3C6410 cake cores；Line-structured light projector selects HLM1230 red lasers；Imageing sensor selects OV9650 type cmos image sensors；Line-structured light projector is bi-directionally connected with embeded processor；Imageing sensor is bi-directionally connected by FPC connectors and embeded processor；CAN interface, serial communication interface, Ethernet interface are directly bi-directionally connected with embeded processor；Storage device is bi-directionally connected by USB interface with embeded processor；Specifically, linear structure light projector sends the structure light of certain pattern, testee is scanned, structure light forms feature striation on testee surface, the three-dimensional gabarit feature of the testee for then being contained by the three-dimensional coordinate information on all laser stripes of imageing sensor acquisition, the information for getting is processed and analyzed by embeded processor, perform application program, by means of three-dimensional reconstruction correlation technique, and then restore the three-D profile of testee, so as to complete measurement, pass through CAN interface simultaneously, serial communication interface, the debugging of Ethernet interface completion system, PC communicates and the communication between other equipment.
2. NEXT series of products ARM and LINUX measuring system as claimed in claim 1, it is characterized in that, the embeded processor is using the S3C6410 using Samsung as core processor, it is by ARM1176JZF-S kernels, several multimedia coprocessors and various peripheral hardware IP are constituted, dominant frequency is 553/667MHz, ARM1176 processors are connected on several Memory Controller Hub by 64 AXI buses, meet the demand of bandwidth, support ITU R BT-601/656 8 standards of YCbCr, there is preview DMA and encoding and decoding DMA inside it, and support that image mirrors rotate and data zoom function.
3. NEXT series of products ARM and LINUX measuring system as claimed in claim 1, it is characterized in that, the line-structured light projector is the HLM1230 red lasers of 650nm from wavelength, its maximum power dissipation is 5mW, it has small volume, it is low in energy consumption, the characteristics of output stabilization, is easy to integrated use, in sensor hardware design, line-structured light projector is rigidly connected with the surface structure of sensor, fix the projector and the relative position of imageing sensor, to ensure that line-structured light plane relative position in imageing sensor coordinate system is fixed, now, for vision measuring sensor overall structure, line-structured light plane equation parameter under imageing sensor coordinate system is definite value, in actual use only need to be to line-structured light plane reference once.
4. NEXT series of products ARM and LINUX measuring system as claimed in claim 1, it is characterized in that, cmos image sensor OV9650 of the described image sensor from OmniVision companies, it has 1300 × 1028 effectively usable pattern matrixs, support SXGA (1280 × 1024), VGA (640 × 480), the image output format of QVGA (320 × 240), in SXGA, maximum rate is 15fps, it is 30fps in VGA, the setting of different resolution form can be carried out to the register of its inside by SCCB agreements.
5. NEXT series of products ARM and LINUX measuring system as claimed in claim 1, it is characterized in that, the CAN interface, serial communication interface, operator scheme of the Ethernet interface by means of Bootloader, by serial ports input debug command and related output information can be printed, ethernet communication is removed can be in the realization of debugging stage and the NFS of host, outside the service of tftp, the configuration sequence needed for embedded intelligence vision measuring sensor is performed can also be transmitted, and the three-dimensional point coordinate information transmission that the image that will be collected and treatment are obtained gives PC software clients, CAN mainly realizes the communication function with other-end, and complete issuing for PC end sensor control commands.
6. NEXT series of products ARM and LINUX measuring system as claimed in claim 1, it is characterised in that the U-Boot bootstrap workflows of the system are as follows：
Step 1, beginning；
The stack of step 2, initialization IRQ/FIQ patterns；
Step 3, setting system clock；
Step 4, initialization timer；
Whether the ambient parameter on step 5, inspection Flash is effective；
Step 6, initialization serial ports console；
Step 7, the mapping of detecting system internal memory；
Step 8, initialization NOR Flash；
Step 9, by ambient parameter read in internal memory specified location；
Step 10, the initialization network equipment；
Step 11, call primitive recursive function；
Step 12, judge whether set ambient parameter, be to go to step 13, otherwise go to step 15；
Step 13, judge whether serial ports has input in the time limit, be to go to step 15, otherwise go to step 14；
Step 14, execution system start order；
Step 15, circulation read serial data and perform the corresponding command.
7. NEXT series of products ARM and LINUX measuring system as claimed in claim 1, it is characterised in that the IMAQ flow of the system imageing sensor is as follows：
Step 1, beginning；
Step 2, opening video equipment；
Step 3, inquiry video equipment ability；
Step 4, setting video acquisition form；
The screen buffer of step 5, application kernel spacing；
Step 6, the screen buffer spatial information of inquiry application；
Step 7, by screen buffer space reflection to user's space；
Step 8, empty screen buffer enter video input queue；
Step 9, startup video acquisition；
Step 10, judge whether continue gather, be to go to step 11, otherwise go to step 13；
Step 11, empty screen buffer enter video input queue；
Step 12, video data go out video buffer output queue；
Step 13, closing video acquisition；
Step 14, releasing internal memory mapping；
Step 15, closing video equipment；
Step 16, end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510787316.4A CN106713900A (en) | 2015-11-17 | 2015-11-17 | ARM and LINUX measuring system of NEXT series product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510787316.4A CN106713900A (en) | 2015-11-17 | 2015-11-17 | ARM and LINUX measuring system of NEXT series product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106713900A true CN106713900A (en) | 2017-05-24 |
Family
ID=58930632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510787316.4A Pending CN106713900A (en) | 2015-11-17 | 2015-11-17 | ARM and LINUX measuring system of NEXT series product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106713900A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329892A (en) * | 2017-06-07 | 2017-11-07 | 珠海市杰理科技股份有限公司 | Drive method of testing, device, storage medium and its computer equipment |
| CN111144162A (en) * | 2018-11-02 | 2020-05-12 | 无锡研奥电子科技有限公司 | Dual-core calculation analysis system based on DSP and ARM |
-
2015
- 2015-11-17 CN CN201510787316.4A patent/CN106713900A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329892A (en) * | 2017-06-07 | 2017-11-07 | 珠海市杰理科技股份有限公司 | Drive method of testing, device, storage medium and its computer equipment |
| CN107329892B (en) * | 2017-06-07 | 2020-09-11 | 珠海市杰理科技股份有限公司 | Drive test method, device, storage medium and computer equipment thereof |
| CN111144162A (en) * | 2018-11-02 | 2020-05-12 | 无锡研奥电子科技有限公司 | Dual-core calculation analysis system based on DSP and ARM |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019085605A1 (en) | Automatic optical detection system based on cpu+gpu+fpga architecture | |
| CN107766812B (en) | MiZ 702N-based real-time face detection and recognition system | |
| CN111090603B (en) | LVDS-to-USB 3.0 adapter | |
| CN103647925B (en) | A kind of embedded parallel duplex digital image capturing system based on GigE interface | |
| US20120102244A1 (en) | Communication control apparatus and method of controlling the same | |
| CN108449581B (en) | Goat breach video monitor | |
| CN109714621A (en) | A kind of multichannel dynamic video analogy method and its processing system that timing is configurable | |
| CN208956216U (en) | Based on the long large car viewing system away from transmission of low-light (level) camera synchronous acquisition | |
| EP3328052A1 (en) | Camera and integrated circuit board | |
| CN104243781A (en) | All-dimensional visual system based on SOPC | |
| CN106713900A (en) | ARM and LINUX measuring system of NEXT series product | |
| CN103780819A (en) | Intelligent industrial camera | |
| CN116225998A (en) | DMA data transmission system | |
| CN106101633B (en) | A kind of water meter gear real-time identifying system and method based on high-speed camera | |
| US11729515B2 (en) | Imaging apparatus, information processing method, and recording medium for determining whether an image analysis of a predetermined image is complete | |
| US20180307639A1 (en) | Real-time data acquisition using chained direct memory access (dma) channels | |
| CN208128411U (en) | Laser scattering imaging capture card and image processing apparatus based on FPGA | |
| CN110351521A (en) | Monitoring method, monitoring device, electronic equipment and medium | |
| CN108924460A (en) | Image data acquisition box and image acquisition system | |
| CN208806874U (en) | A kind of candid photograph mould group and capture machine | |
| CN206281575U (en) | A kind of infrared line walking equipment and system based on the Big Dipper | |
| CN209311350U (en) | A kind of assembly line optics defect detecting system based on Ethernet transmission | |
| CN207503284U (en) | Image Edge-Detection system | |
| CN208506247U (en) | Fire-fighting handheld terminal law-enforcing recorder | |
| CN106447598A (en) | Visual system and visual method capable of recognizing multiple colors simultaneously |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |