CN104954694A - Industrial camera capable of viewing panoramic image in real time through WIFI (wireless fidelity) - Google Patents
Industrial camera capable of viewing panoramic image in real time through WIFI (wireless fidelity) Download PDFInfo
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Abstract
The invention discloses an industrial camera capable of viewing a panoramic image in real time through WIFI (wireless fidelity). The industrial camera comprises an image sensing unit, a centralized processing unit, a power supply unit, a storage unit and a communication unit, wherein a CCD (charge coupled device) image sensor is connected with two 185-degree fish-eye lenses through light paths and receives image information through the light paths, so that single-sensor dual-lens shooting is realized; the image sensing unit comprises the CCD image sensor and an FPGA (field programmable gate array); the centralized processing unit receives image digital signals acquired by the FPGA in the image sensing unit and performs intrinsic pre-processing operation of noise reduction, 360-degree panoramic image splicing is performed after pre-processing, and finally, data signals are sent outwards through a logic control module in the centralized processing unit for the spliced image. With the adoption of the industrial camera, the defects that panoramic cameras are high in cost, large in size and the like are successfully overcome. Besides, the WIFI and a Bluetooth 4.0 interface are provided, and interaction manners are more convenient and diversified.
Description
Technical field
The present invention relates to digital equipment, relate to a kind of industrial camera by WIFI real time inspection panoramic picture specifically.
Background technology
The development of building along with GIS-Geographic Information System and digital city and popularization, the automation of surveying and mapping technology and informationalized development seem particularly important, and laser radar technique development is very fast.Laser radar technique relies on its several feature such as high brightness, high directivity, high monochromaticity and high coherence, achieves successful application in mobile mapping field.On some project demands, the three dimensional point cloud that portable laser radar finally obtains needs and actual Image Matching, and this is mounted on a high integrally mobile mapping platform with regard to needs and panorama camera and works.Based on the panorama camera of many camera lenses, not only can overcome because of the larger distortion of the image of end generation, and there are imaging integration, 360 degree of advantages such as Large visual angle, rotational invariance, be therefore progressively applied in the association areas such as computer vision, mapping science, artificial intelligence.Current, panorama camera is all individual full-view image form, planar image and the information of Large visual angle can only be shown, the acquisition of the visual of 3 D stereoscopic image and three-dimensional information cannot be realized, because which limit the application of panorama camera in a lot of field and expansion, and greatly reduce the practicality of full-view image.
The traditional C CD/COMS face single-lens camera of battle array is due to its image-forming principle, and visual field is narrow, be subject to block, and single camera often cannot meet application demand.Although little based on the panorama camera image distortion of multiple plane mirror head, its volume is not large, cost intensive, portable, and it is universal is restricted with application.
Summary of the invention
For deficiency of the prior art, the technical problem to be solved in the present invention there are provided a kind of industrial camera by WIFI real time inspection panoramic picture, this industrial camera can be connected by WIFI, without the need to cloud server, support bluetooth 4.0, use the industrial panorama camera of APP or the direct viewing panoramic images of other networked devices.
For solving the problems of the technologies described above, the present invention is realized by following scheme: a kind of industrial camera by WIFI real time inspection panoramic picture, and this industrial camera comprises:
Image sensing cell, centralized processing unit, power supply unit, memory cell and communication unit;
Described image sensing cell comprises ccd image sensor, and ccd image sensor connects two 185 degree of fish eye lenses by light path, and receives image information by light path, realizes single-sensor two-shot; Described image sensing cell comprises ccd image sensing module, on-site programmable gate array FPGA composition, wherein ccd image sensing module comprises ccd image sensor, CCD clock driver circuit and A/D change-over circuit, the light signal that object lens collect, under the driving of CCD clock driver circuit, is converted to analog voltage signal by ccd image sensor; Analog voltage signal is again via after A/D converter and peripheral filter thereof, noise abatement, gain adjusting circuit effect, and be converted to image digital signal, image digital signal is transferred to centralized processing unit after being gathered by on-site programmable gate array FPGA;
Described centralized processing unit receives the image digital signal that in image sensing cell, on-site programmable gate array FPGA collects, and carry out the pretreatment operation of noise reduction inherence, after preliminary treatment completes, the splicing of work 360 degree of panoramic pictures, finally outwards sends data-signal by spliced image by the Logic control module of centralized processing unit inside.
Further, described image sensing cell comprises ccd image sensing module, on-site programmable gate array FPGA, wherein ccd image sensing module comprises ccd image sensor, CCD clock driver circuit and A/D change-over circuit, the light signal that 185 degree of fish eye lenses collect, under the driving of CCD clock driver circuit, is converted to analog voltage signal by ccd image sensor; Analog voltage signal is again via after A/D converter and peripheral filter thereof, noise abatement, gain adjusting circuit effect, and be converted to image digital signal, image digital signal is transferred to centralized processing unit after being gathered by FPGA respectively.
Further, the critical piece of described centralized processing unit is DM8127 processor, described DM8127 processor inside is integrated with a DSP kernel and a Cortex-A8 ARM kernel, described centralized processing unit is divided into image pre-processing module by function, image mosaic module, Logic control module, communication module, the modules collaborative work of described centralized processing unit, image pre-processing module receives the image digital signal that in image sensing cell, on-site programmable gate array FPGA collects, and carry out the pretreatment operation of noise reduction inherence, completed the splicing of 360 degree of panoramic pictures by the DSP kernel being integrated in DM8127 processor after preliminary treatment completes, described Logic control module realizes on the Cortex-A8 kernel running (SuSE) Linux OS, the major part work of system is all at Logic control module dispatching, described communication control module, also realize in the Cortex-A8 running (SuSE) Linux OS, it accepts the data-signal of outside input for Logic control module process, simultaneously also under the scheduling of Logic control module, outside transmission data-signal.
Further, described communication unit comprises WIFI module, bluetooth 4.0 module, USB3.0 interface, universal input/output interface; These modules or interface are all presented as a device file under a linux operating system, application program is by externally sending data to device file write or reading data or read data from outside, in the course of the work, user can connect camera by WIFI and utilize APP etc. to obtain 360 degree of panoramic pictures of camera shooting splicing, also can be carried out obtaining information by USB3.0 and bluetooth 4.0 interface or is configured camera.
Further, described memory cell is divided into volatile memory and nonvolatile memory two parts, and volatile memory is mainly DDR3 internal memory, it for work in DSP or Cortex-A8 kernel datarams is provided; Nonvolatile memory is mainly NAND FLASH internal memory.
Further, described power supply unit comprises voltage transformation module, power filtering module and power regulator module three parts, and input voltage is converted to 5V, 3.3V, 2.5V, 1.8V and 1.2V operating voltage needed for system by described voltage transformation module; Power filtering module carries out filtering process to each operating voltage, reduces the ripple component in power supply, improves power quality, for system stability work provides basic guarantee; Power regulator module disturbs for the transient electromagnetic alleviated from outside the impact caused system.
Relative to prior art, the invention has the beneficial effects as follows:
1. use two fish eye lenses and single ccd sensor to obtain 360 degree of 3D without the panoramic picture at dead angle, simplify camera structure.
2. by camera internal DSP, two width image mosaic of shooting are become panoramic picture, make interface standard standardization more, generalization.
3. connect camera by WIFI, APP, PC can be used to hold software etc. to obtain panoramic picture, and interactive mode is more convenient.
4. connect camera by bluetooth 4.0, functional configuration is carried out to camera.
5. the present invention can take without dead angle by 360 degree of 3D, and structure simple, manufacture easy to use.Can be connected with camera by WIFI, use APP or other equipment to obtain panoramic picture; Also connect camera by bluetooth 4.0, camera is configured.
Accompanying drawing explanation
in order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the integrally-built theory diagram of industrial camera of the present invention.
Fig. 2 is centralized processing unit functional structure theory diagram of the present invention.
Fig. 3 is the another kind of solution principle block diagram of industrial camera in the embodiment of the present invention 2.
Mark in accompanying drawing: 185 degree of fish eye lenses 1, image sensing cell 2, centralized processing unit 3, communication unit 4, memory cell 5, fish-eye lens 11, second image sensing cell 12, second centralized processing unit 13, second communication unit 14.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
embodiment 1:
Please refer to accompanying drawing 1 ~ 2, a kind of industrial camera by WIFI real time inspection panoramic picture of the present invention, this industrial camera comprises: image sensing cell 2, centralized processing unit 3, power supply unit, memory cell 5 and communication unit 4; Described image sensing cell 2 comprises ccd image sensor, and ccd image sensor connects two 185 degree of fish eye lenses 1 by light path, and receives image information by light path, realizes single-sensor two-shot; Described image sensing cell 2 is made up of ccd image sensing module and on-site programmable gate array FPGA, wherein ccd image sensing module is made up of ccd image sensor, CCD clock driver circuit and A/D change-over circuit, the light signal that object lens collect, under the driving of CCD clock driver circuit, is converted to analog voltage signal by ccd image sensor; Analog voltage signal is again via after A/D converter and peripheral filter thereof, noise abatement, gain adjusting circuit effect, and be converted to image digital signal, image digital signal is transferred to centralized processing unit 3 after being gathered by on-site programmable gate array FPGA; Described centralized processing unit 3 receives the image digital signal that in image sensing cell 2, on-site programmable gate array FPGA collects, and carry out the pretreatment operation of noise reduction inherence, the splicing of work 360 degree of panoramic pictures after preliminary treatment completes, finally outwards sends data-signal by spliced image by the Logic control module of centralized processing unit 3 inside.
Image sensing cell 2 comprises ccd image sensing module, on-site programmable gate array FPGA, wherein ccd image sensing module comprises ccd image sensor, CCD clock driver circuit and A/D change-over circuit, the light signal that 185 degree of fish eye lenses 1 collect, under the driving of CCD clock driver circuit, is converted to analog voltage signal by ccd image sensor; Analog voltage signal is again via after A/D converter and peripheral filter thereof, noise abatement, gain adjusting circuit effect, and be converted to image digital signal, image digital signal is transferred to centralized processing unit after being gathered by FPGA respectively.
The critical piece of centralized processing unit 3 is DM8127 processor, described DM8127 processor inside is integrated with a DSP kernel and a Cortex-A8 ARM kernel, described centralized processing unit 3 is divided into image pre-processing module by function, image mosaic module, Logic control module, communication module, the modules collaborative work of described centralized processing unit 3, image pre-processing module receives the image digital signal that in image sensing cell 2, on-site programmable gate array FPGA collects, and carry out the pretreatment operation of noise reduction inherence, completed the splicing of 360 degree of panoramic pictures by the DSP kernel being integrated in DM8127 processor after preliminary treatment completes, described Logic control module realizes on the Cortex-A8 kernel running (SuSE) Linux OS, the major part work of system is all at Logic control module dispatching, described communication control module, also realize in the Cortex-A8 running (SuSE) Linux OS, it accepts the data-signal of outside input for Logic control module process, simultaneously also under the scheduling of Logic control module, outside transmission data-signal.
Communication unit 4 comprises WIFI module, bluetooth 4.0 module, USB3.0 interface, universal input/output interface; These modules or interface are all presented as a device file under a linux operating system, application program is by externally sending data to device file write or reading data or read data from outside, in the course of the work, user can connect camera by WIFI and utilize APP etc. to obtain 360 degree of panoramic pictures of camera shooting splicing, also can carry out obtaining information by USB3.0 and bluetooth 4.0 interface or camera is configured, finally image information be sent to communication equipment 6.
Memory cell 5 is divided into volatile memory and nonvolatile memory two parts, and volatile memory is mainly DDR3 internal memory, it for work in DSP or Cortex-A8 kernel datarams is provided; Nonvolatile memory is mainly NAND FLASH internal memory.Operate in the Bootloader of the (SuSE) Linux OS on Cortex-A8 kernel, (SuSE) Linux OS kernel and file system to be all stored in NAND FLASH internal memory.When system starts, first read Bootloader to internal memory from NAND FLASH internal memory and run, (SuSE) Linux OS kernel reads DDR3 from NAND FLASH and starts and run by Bootloader more afterwards, so far, under the support of the file system to save as medium in NAND FLASH, a complete (SuSE) Linux OS has just run.
Power supply unit comprises voltage transformation module, power filtering module and power regulator module three parts, and input voltage is converted to 5V, 3.3V, 2.5V, 1.8V and 1.2V operating voltage needed for system by described voltage transformation module; Power filtering module carries out filtering process to each operating voltage, reduces the ripple component in power supply, improves power quality, for system stability work provides basic guarantee; Power regulator module disturbs for the transient electromagnetic alleviated from outside the impact caused system.
The present invention, by above embodiment, successfully solves the shortcomings such as panorama camera cost is high, volume is large.And provide WIFI and bluetooth 4.0 interface, interactive mode is more convenient, more diversified.
embodiment 2:
As shown in Figure 3, Fig. 3 is the another kind of solution principle block diagram of industrial camera in the embodiment of the present invention 2.
It comprises the second image sensing cell 12, second centralized processing unit 13, power supply unit, memory cell 14 and communication unit 5.
Second image sensing cell 12 comprises two-way ccd image sensing module, on-site programmable gate array FPGA, wherein ccd image sensing module comprises 2 ccd image sensors, CCD clock driver circuit and A/D change-over circuit, and 2 ccd image sensors are respectively connected with 1 fish-eye lens 11.During work, the light signal that fish-eye lens 11 collects, under the driving of CCD clock driver circuit, is converted to analog voltage signal by ccd image sensor; Analog voltage signal via after A/D converter and peripheral filter thereof, noise abatement, gain adjusting circuit effect, is converted to image digital signal again.Image digital signal is transferred to the second centralized processing unit 13 respectively after being gathered by FPGA.
The core of the second centralized processing unit 13 is DM8127 processors of TI company.DM8127 processor inside is integrated with a DSP kernel and a Cortex-A8 ARM kernel.Second centralized processing unit 13 is divided into image pre-processing module, image mosaic module, Logic control module, communication module by function further, as shown in Figure 2.During work, the modules collaborative work of the second centralized processing unit 13.Image pre-processing module receives the image digital signal that in the second image sensing cell 12, on-site programmable gate array FPGA collects, and carries out the pretreatment operation of the inherences such as noise reduction.Completed the splicing of 360 degree of panoramic pictures by the DSP kernel being integrated in DM8127 processor after preliminary treatment completes.Described Logic control module realizes on the Cortex-A8 kernel running (SuSE) Linux OS, and the major part work of system is all at Logic control module dispatching.Described communication control module, also realizes in the Cortex-A8 running (SuSE) Linux OS, and it accepts the data-signal of outside input for Logic control module process, simultaneously also under the scheduling of Logic control module, outwards sends data-signal.
Power supply unit comprises voltage transformation module, power filtering module and power regulator module three parts.Input voltage is converted to 5V, 3.3V, 2.5V, 1.8V and 1.2V operating voltage needed for system by voltage transformation module; Power filtering module carries out filtering process to each operating voltage, reduces the ripple component in power supply, improves power quality, for system stability work provides basic guarantee; Power regulator module disturbs for the transient electromagnetic alleviated from outside the impact caused system.
Memory cell is divided into volatile memory and nonvolatile memory two parts.Volatile memory is mainly DDR3 internal memory, it for work in DSP or Cortex-A8 kernel datarams is provided; Nonvolatile memory is mainly NAND FLASH internal memory, operates in the Bootloader of the (SuSE) Linux OS on Cortex-A8 kernel, (SuSE) Linux OS kernel and file system and is all stored in NAND FLASH internal memory.When system starts, first read Bootloader to internal memory from NAND FLASH internal memory and run, (SuSE) Linux OS kernel reads DDR3 from NAND FLASH internal memory and starts and run by Bootloader more afterwards, so far, under the support of the file system to save as medium in NAND FLASH, a complete (SuSE) Linux OS has just run.
Second communication unit 14 comprises USB3.0 interface, WIFI module and universal input/output interface.These modules or interface are all presented as a device file under a linux operating system, and application program is by externally sending data to device file write or reading data or read data from outside.In the course of the work, user can connect camera by WIFI and utilize APP etc. to obtain 360 degree of panoramic pictures of camera shooting splicing, also can pass through USB3.0 interface obtaining information, finally image information be sent to communication equipment 6.
The foregoing is only the preferred embodiment of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1., by an industrial camera for WIFI real time inspection panoramic picture, it is characterized in that, this industrial camera comprises:
Image sensing cell (2), centralized processing unit (3), power supply unit, memory cell (5) and communication unit (4);
Described image sensing cell (2) comprises ccd image sensor, and ccd image sensor connects two 185 degree fish eye lenses (1) by light path, and receives image information by light path, realizes single-sensor two-shot; Described image sensing cell (2) comprises ccd image sensing module, on-site programmable gate array FPGA composition, wherein ccd image sensing module comprises ccd image sensor, CCD clock driver circuit and A/D change-over circuit, the light signal that object lens collect, under the driving of CCD clock driver circuit, is converted to analog voltage signal by ccd image sensor; Analog voltage signal is again via after A/D converter and peripheral filter thereof, noise abatement, gain adjusting circuit effect, and be converted to image digital signal, image digital signal is transferred to centralized processing unit (3) after being gathered by on-site programmable gate array FPGA;
Described centralized processing unit (3) receives the image digital signal that in image sensing cell (2), on-site programmable gate array FPGA collects, and carry out the pretreatment operation of noise reduction inherence, the splicing of work 360 degree of panoramic pictures after preliminary treatment completes, finally outwards sends data-signal by spliced image by the Logic control module that centralized processing unit (3) is inner.
2. a kind of industrial camera by WIFI real time inspection panoramic picture according to claim 1, it is characterized in that: described image sensing cell (2) comprises ccd image sensing module, on-site programmable gate array FPGA, wherein ccd image sensing module comprises ccd image sensor, CCD clock driver circuit and A/D change-over circuit, the light signal that 185 degree of fish eye lenses (1) collect, under the driving of CCD clock driver circuit, is converted to analog voltage signal by ccd image sensor; Analog voltage signal is again via after A/D converter and peripheral filter thereof, noise abatement, gain adjusting circuit effect, and be converted to image digital signal, image digital signal is transferred to centralized processing unit after being gathered by FPGA respectively.
3. a kind of industrial camera by WIFI real time inspection panoramic picture according to claim 1, it is characterized in that: the critical piece of described centralized processing unit (3) is DM8127 processor, described DM8127 processor inside is integrated with a DSP kernel and a Cortex-A8 ARM kernel, described centralized processing unit (3) is divided into image pre-processing module by function, image mosaic module, Logic control module, communication module, the modules collaborative work of described centralized processing unit (3), image pre-processing module receives the image digital signal that in image sensing cell (2), on-site programmable gate array FPGA collects, and carry out the pretreatment operation of noise reduction inherence, completed the splicing of 360 degree of panoramic pictures by the DSP kernel being integrated in DM8127 processor after preliminary treatment completes, described Logic control module realizes on the Cortex-A8 kernel running (SuSE) Linux OS, the major part work of system is all at Logic control module dispatching, described communication control module, also realize in the Cortex-A8 running (SuSE) Linux OS, it accepts the data-signal of outside input for Logic control module process, simultaneously also under the scheduling of Logic control module, outside transmission data-signal.
4. a kind of industrial camera by WIFI real time inspection panoramic picture according to claim 1, is characterized in that: described communication unit (4) comprises WIFI module, bluetooth 4.0 module, USB3.0 interface, universal input/output interface; These modules or interface are all presented as a device file under a linux operating system, application program is by externally sending data to device file write or reading data or read data from outside, in the course of the work, user can connect camera by WIFI and utilize APP etc. to obtain 360 degree of panoramic pictures of camera shooting splicing, also can be carried out obtaining information by USB3.0 and bluetooth 4.0 interface or is configured camera.
5. a kind of industrial camera by WIFI real time inspection panoramic picture according to claim 1, it is characterized in that: described memory cell (5) is divided into volatile memory and nonvolatile memory two parts, volatile memory is mainly DDR3 internal memory, it for work in DSP or Cortex-A8 kernel datarams is provided; Nonvolatile memory is mainly NAND FLASH internal memory.
6. a kind of industrial camera by WIFI real time inspection panoramic picture according to claim 1, it is characterized in that: described power supply unit comprises voltage transformation module, power filtering module and power regulator module three parts, and input voltage is converted to 5V, 3.3V, 2.5V, 1.8V and 1.2V operating voltage needed for system by described voltage transformation module; Power filtering module carries out filtering process to each operating voltage, reduces the ripple component in power supply, improves power quality, for system stability work provides basic guarantee; Power regulator module disturbs for the transient electromagnetic alleviated from outside the impact caused system.
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| CN107257427A (en) * | 2017-06-27 | 2017-10-17 | 四川大学 | Nine camera lens unmanned plane panoramic cameras and its image processing method |
| CN110830702A (en) * | 2019-12-20 | 2020-02-21 | 湖南傲英创视信息科技有限公司 | Hundred million-level pixel array camera shooting device and camera shooting method thereof |
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Effective date of registration: 20151009 Address after: 518000 Guangdong city of Shenzhen province Futian District CaiTian road Galaxia century B block 2907 Applicant after: SHENZHEN JIAHE PHOTOELECTRIC CO., LTD. Address before: 415000 Changde city of Hunan Province Feng Gan County Xi Tan Zhen Lu Mao Village Committee 9 Group No. 09019 Applicant before: Wang Junyi |
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Effective date of registration: 20160829 Address after: 5, 5 floor, Jinqiao Industrial Zone, manhole street, Shenzhen, Guangdong, Baoan District 518000, China Applicant after: Shenzhen hole Photoelectric Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District CaiTian road Galaxia century B block 2907 Applicant before: SHENZHEN JIAHE PHOTOELECTRIC CO., LTD. |
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