CN201238357Y - All-directional wireless monitoring apparatus - Google Patents
All-directional wireless monitoring apparatus Download PDFInfo
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- CN201238357Y CN201238357Y CN200820079357.3U CN200820079357U CN201238357Y CN 201238357 Y CN201238357 Y CN 201238357Y CN 200820079357 U CN200820079357 U CN 200820079357U CN 201238357 Y CN201238357 Y CN 201238357Y
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Abstract
The utility model provides an omnibearing wireless monitoring device, which comprises image uptake modules, an image processing, calculation and control module and a wireless transmission module; the image uptake module monitors the monitored spot at a degree, and all image uptake modules are assembled to realize the omnibearing monitoring of the spot; the image uptake modules transmits the shot image to the image processing, calculation and control module, and the image processing, calculation and control modules assembles different images to be an omnibearing image, and then processes the obtained omnibearing image, and the processed result is transmitted by the wireless transmission module. The monitoring device realizes the omnibearing monitoring of the monitoring spot, and effectively prevents the monitoring blind area or dead corner; the device uniformly carries out the subsequent processing for the images that are taken by all image uptake modules, thereby improving the integration of the system, prolonging the service life of the battery, and being convenient for the image integration and the image encryption.
Description
Technical Field
The utility model relates to a real time monitoring device, in particular to all-round wireless monitoring device.
Background
Real-time monitoring of key areas is an indispensable means for guaranteeing the safety of national production and life. The traditional monitoring camera generally adopts an analog camera, and the analog camera positioned at a monitoring end is connected with a monitoring center through a signal line, so that the picture of a monitored object is displayed in the monitoring center.
With the continuous development of digital camera shooting technology, the definition of a digital camera reaches the definition of an analog camera, and due to the inherent advantages of digital images in image processing, storage and retrieval, digital cameras are mostly adopted in the existing monitoring cameras. Meanwhile, due to the adoption of the digital camera, the real-time encryption of the monitoring image becomes possible. For example, in the prior art, chinese patent application No. 200510088916.8 entitled "wireless camera" and chinese patent application No. 200610054261.7 entitled "wireless small monitor and control system" all describe existing cameras for monitoring.
In the process of monitoring by adopting the equipment in the prior art, the camera has a limited shooting angle and cannot cover the whole area, so that a monitoring blind area and a dead angle are easily caused. In the prior art, in order to overcome the above defects, there is also a way of monitoring with a rotatable camera or cross-monitoring with multiple cameras. However, these implementations may still have dead monitoring zones and corners due to time differences or installation imperfections.
In addition, in the prior art, when one monitoring device has a plurality of cameras, each camera corresponds to one image processing module, and a user obtains a video picture shot by the corresponding camera from one image processing module according to needs. Such a monitoring device, in which one camera corresponds to one image processing module, is described in U.S. patent application publication No. 2006/0170773. In the mode that one camera corresponds to one image processing module adopted in the prior art, the cost and the structural complexity of the monitoring device are increased, and the integration and the encryption of images shot by different cameras are not facilitated.
Disclosure of Invention
The utility model aims at overcoming the monitoring device among the prior art and causing the defect of control blind area easily when the control to an all-round wireless monitoring device that can carry out all-round cover to the control scene is provided.
The utility model discloses a still another purpose is to overcome the monitoring device among the prior art and dispose image processing module respectively to different cameras and cause with high costs, the structure is complicated, be difficult for carrying out integration and encrypted defect to the image that different cameras were shot to provide one kind and carry out unified processing and real-time encrypted all-round wireless monitoring device to the image.
In order to achieve the above object, the present invention provides an omnidirectional wireless monitoring device, which comprises at least one image capturing module, an image processing, computing and controlling module and a wireless transmission module; the image shooting modules are arranged at intervals of a certain angle to monitor a monitoring site; wherein,
the image shooting module transmits the shot images to the image processing, computing and controlling module, the image processing, computing and controlling module splices all the images into an omnidirectional image, then processes the obtained omnidirectional image, and the obtained processing result is transmitted through the wireless transmission module.
In the technical scheme, the system further comprises a sound intake and output module which is used for collecting sounds of the monitoring site and can realize communication between the control center and the monitoring site, and the sound intake and output module is connected to the image processing, operation and control module.
In the above technical solution, the device further comprises an electronic gyroscope module for indicating a direction and an angle for the omnidirectional wireless monitoring device; the electronic gyroscope module is connected to the image processing, operation and control module.
In the above technical solution, the wireless monitoring device further comprises a global positioning module for indicating the current position of the omni-directional wireless monitoring device; the global positioning module is connected to the image processing, operation and control module.
In the above technical solution, the wireless monitoring device further comprises a communication and debugging module for performing data communication and debugging on the omnidirectional wireless monitoring device; the communication and debugging module is connected to the image processing, operation and control module.
In the technical scheme, the device also comprises a sound intake and output module, an electronic gyroscope module, a global positioning module and a communication and debugging module; the sound taking and outputting module, the electronic gyroscope module, the global positioning module and the communication and debugging module are all connected to the image processing, operation and control module.
In the technical scheme, the image shooting module comprises three image shooting modules, and the shooting angle of each image shooting module is larger than 120 degrees; the three image shooting modules are arranged on the same horizontal plane at an included angle of 120 degrees, and the included angle between each shooting module and the horizontal plane is 60 degrees.
In the technical scheme, the image shooting module comprises four image shooting modules, and the shooting angle of each image shooting module is larger than 90 degrees; the four image shooting modules are arranged on the same horizontal plane at 90-degree included angles, and the included angle between each shooting module and the horizontal plane is 45 degrees.
In the above technical solution, the image processing, computing and control module 20 performs an encryption operation on the processing result before the processing result is transmitted through the wireless transmission module.
In the above technical solution, the processing of the image captured by the image capturing module includes at least one of image enhancement, image restoration, image segmentation, motion estimation, tracking, and image compression coding.
The utility model has the advantages that:
1. the utility model discloses rely on the combination of a plurality of images between the module of taking in to realize the all-round control to the control scene, effectively prevented the appearance at control blind area or dead angle.
2. The utility model discloses by an image processing, operation and control module with all images take the image that the module was shot and splice, then carry out subsequent processing to the image after the concatenation, be favorable to the user to being done the omnidirectional observation to being detected the area, improved the integrated level of system, prolonged battery live time, still be convenient for the image integration and encrypt.
Drawings
Embodiments of the present invention are described in detail below with reference to the attached drawing figures, wherein:
fig. 1 is a structural diagram of an omnidirectional wireless monitoring apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an installation of an image capture module in the omni-directional wireless monitoring apparatus according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating an installation of an image capture module in the omni-directional wireless monitoring apparatus according to another embodiment of the present invention;
fig. 4 is a structural diagram of the omnidirectional wireless monitoring apparatus according to another embodiment of the present invention;
fig. 5 is a structural diagram of an omni-directional wireless monitoring device according to another embodiment of the present invention;
fig. 6 is a structural diagram of an omnidirectional wireless monitoring apparatus according to another embodiment of the present invention;
fig. 7 is a structural diagram of an omnidirectional wireless monitoring apparatus according to another embodiment of the present invention.
Description of the drawings
10 image taking module 11 image taking module 12 image taking module
20 image processing, computing and control module 30 wireless transmission module
40 power module 50 sound intake and output module
60 global positioning module 80 communication and debugging module of electronic gyroscope module 70
1 first image taking module 2 second image taking module
3 third image taking module 4 fourth image taking module
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
In one embodiment, as shown in fig. 1, the omni-directional wireless monitoring device of the present invention comprises an image capturing module, an image processing, computing and controlling module 20, a power module 40 and a wireless transmission module 30. Wherein, the image shooting module is connected to the image processing, computing and controlling module 20, and the image processing, computing and controlling module 20 is connected to the wireless transmission module 30. The power module 40 provides power for the above modules.
The utility model discloses in, the image is taken the module and is the utility model discloses an important characteristic, in order to overcome the defect that supervisory equipment has the control blind area among the prior art, the utility model discloses an all-round control to the control scene is realized to the mode that the module was taken in to the image adopts the multi-module combination. Wherein the specific number of image capture modules is related to the performance (in particular the capture angle) of the image capture modules. For example, in fig. 1, the image taking module with the taking angle greater than 120 degrees is adopted, and at this time, the utility model discloses an all-round wireless monitoring device uses three image taking module to realize all-round monitoring. The relationship between the image taking modules used is shown in fig. 2, the image taking modules are placed on the same horizontal plane at an included angle of 120 degrees, and the included angle between each image taking module and the horizontal plane is 60 degrees. The omni-directional wireless monitoring device is arranged on the ceiling of the central part of a room, and the effect of monitoring the whole room by 360 degrees can be achieved. Corresponding with it, if adopt the image of taking the angle and being greater than 90 degrees to take the module, this moment, the utility model discloses an all-round wireless monitoring device uses four images to take the module and just can realize all-round control. The relationship between the image capturing modules used is shown in fig. 3, the capturing modules are placed on the same horizontal plane at an angle of 90 degrees, and each capturing module is at an angle of 45 degrees with the horizontal plane. The omnibearing wireless monitoring device is made into an automatic balancing ball or is arranged on a remote control trolley, and the effects of portable movement and 360-degree monitoring can be achieved. The number, mounting position, mounting angle, and the like of the image capturing modules are provided for explaining the embodiments of the present invention, and are not limited to the description defined in the above description in practical use.
The basic function of the image processing, computing and control module 20 is to further process the image, to implement real-time encryption of image data, and to control the entire apparatus. Different from the image processing module related in the prior art, the image processing, computing and controlling module 20 of the present invention processes the images obtained by all the image capturing modules in a unified manner, instead of using a camera corresponding to an image processing module in the prior art. After the image processing, computing and control module 20 receives the respective image information from each image capturing module, the obtained images are first stitched to obtain an omnidirectional image, and then the obtained omnidirectional image is subsequently processed. In the splicing process, a time domain interleaving technology can be adopted to splice two images of two adjacent shooting modules, and finally the all-directional image with the overlapped part removed is obtained. The resulting omni-directional image is a 360 degree surveillance image in the form of a map. In the subsequent processing process, compared with the respective processing of the images in the image shooting module, the unified processing of the spliced images can reduce the hardware overhead and the system power consumption.
After the omni-directional image is obtained, the subsequent processing of the omni-directional image comprises image enhancement, image restoration, image segmentation, motion estimation, tracking and image compression coding. Wherein:
the purpose of image enhancement is to improve the "visual effect" of an image, and the method includes adding some information or transforming data to an original image by means of sharpening, smoothing, denoising, contrast stretching and the like, so that the image is matched with the "visual" response characteristic, so as to highlight some target characteristics in the image and inhibit another characteristic, and simplify data extraction. Various methods adopted in the image enhancement process are mature technologies in the prior art, and are not repeatedly explained in the application.
The image is degraded by inevitably causing certain distortion in the processes of capturing, transmitting, storing and processing, and the aim of image restoration is to restore the degraded image to the original real appearance as much as possible. The image restoration method comprises a linear filtering image restoration method, a nonlinear statistical restoration method, a generalized inverse restoration method of singular value decomposition and the like. The above methods are also prior art and can be implemented by those skilled in the art by referring to the relevant literature in the prior art.
The image segmentation can effectively extract meaningful characteristics in the image, and divide the image into a plurality of meaningful areas which are not overlapped so as to be used for image pattern recognition. The image segmentation can adopt one of template matching method, tracking method, texture matching method, clustering method and the like.
Motion estimation can identify moving objects. The motion estimation is generally divided into three steps, wherein the first step is to estimate the global motion according to the motion of the monitoring device; secondly, eliminating the influence of global motion in the image to obtain a relatively static image of the monitoring device; and thirdly, comparing the difference of the inter-frame images in a relatively static background to obtain a moving image. With motion estimation, images of moving objects, which are typically of interest in monitoring, can be obtained quickly.
Tracking may track a particular image of interest, typically a moving object image, in an image. Currently, ion filtering can be used to achieve tracking. By utilizing the tracking function, after the target monitoring object is locked, the target monitoring object can be calibrated all the time regardless of the movement and change of the monitoring object.
Image compression encoding can greatly reduce the amount of data required for image transmission, processing, and storage without losing an amount of information or with losing a small amount of information. The image data compression process has three basic links: transform, quantization and coding. The image compression encoding may employ one of an entropy encoding method, a lossless compression encoding method, a prediction error encoding method, and an orthogonal transform encoding method. Various methods involved in image compression encoding are prior art, and therefore, a repetitive description will not be given.
The image processing functions described above are not required for each image processing, computing and control module 20, and in actual use, the functions described above may be increased or decreased as needed.
The image processing, computing and control module 20 may perform encryption of image data by performing encryption of data and transmission. In the data encryption process, the adopted encryption algorithm comprises one of international standards such as AES (advanced encryption Standard), DES (data encryption Standard), MD5 and the like. The encryption protocol for the transmission process comprises one of Wired Equivalent Protocol (WEP), Wi-Fi protected access (WPA), Temporal Key Integrity Protocol (TKIP), Extensible Authentication Protocol (EAP) and other encryption protocols.
The wireless transmission module 30 functions to transmit and receive wireless multimedia signals and performs digital communication with the image processing, computing and control module. The adopted wireless transmission module 30 is the existing mature technology, the utility model discloses in can directly adopt the wireless transmission technique among the prior art. The wireless transmission module 30 allows the user to control and manage the device in the monitoring center.
The power module 40 may also be an existing power module, and in this embodiment, a repetitive description thereof will not be given.
The omnidirectional wireless monitoring apparatus of the present invention, in addition to the above-mentioned functional modules, in another embodiment, as shown in fig. 4, may further include a sound intake and output module 50 connected to the image processing, computing and control module 20. The sound intake and output module 50 collects sounds from the monitoring site and can communicate between the control center and the monitoring site. The module collects the sound of the monitoring site, encrypts the sound in the image processing, operation and control module 20, and transmits the sound to the control center through the wireless transmission module 30, and meanwhile, the sound can be output to the monitoring site through the sound intake and output module 50 after receiving the radio signal with the audio information from the control center. The specific implementation of the sound intake and output module 50 may employ well-established prior art techniques.
In another embodiment of the present invention, the omnidirectional wireless monitoring apparatus further includes an electronic gyroscope module 60, as shown in fig. 5, the electronic gyroscope module 60 is connected to the image processing, computing and controlling module 20. The electronic gyroscope module 60 has a function of pointing to a specific direction, and when the omnidirectional wireless monitoring device in the embodiment is applied to a mobile occasion such as underground rescue, the direction of the monitoring device needs to be indicated, and at the moment, the electronic gyroscope module 60 can realize the corresponding function. The electronic gyroscope module 60 feeds back the deflection angle of the image capturing module relative to a specific direction to the image processing, computing and control module 20, and the image processing, computing and control module 20 marks the direction and the angle of the captured image on the image through computing. The electronic gyroscope module 60 employed may be of a well-established prior art.
In another embodiment of the present invention, the omnidirectional wireless monitoring apparatus of the present invention further comprises a global positioning module 70, as shown in fig. 6, in addition to the electronic gyroscope module 60 included in the previous embodiment, the global positioning module 70 is connected to the image processing, computing and controlling module 20 for indicating the current position of the omnidirectional wireless monitoring apparatus. The cooperation between the global positioning module 70 and the electronic gyroscope module 60 allows the monitor to quickly locate the position and orientation of the device.
In yet another embodiment of the present invention, the utility model discloses an all-round wireless monitoring device still includes a communication and debugging module 80, as shown in fig. 7, communication and debugging module 80 be connected to image processing, operation and control module 20 on, communication and debugging module 80 including USB interface and JTAG interface, through the USB interface, can realize the utility model discloses data transmission and exchange between device and the local PC to realize the use and the processing of user to data on the PC. The initial configuration and internal debugging of the device can be realized through the JTAG interface of the communication and debugging module 80. The omni-directional wireless monitoring device with the communication and debugging module 80 can be installed on mobile devices such as automobiles, remote control planes and the like. Before use, the device is configured through the communication port of the communication and debugging module 80, such as setting an encryption key and a device opening mode. In consideration of prolonging the service life of the device, the device may be turned on by a regular manner, a remote control manner, a timing manner, a designated posture, a designated location range, or the like. After the device is started, a user can control the switch of the designated module to achieve the purpose of prolonging the service time, and the device can be configured to be started under certain conditions and be dormant or closed under certain conditions.
In the above embodiments, various implementation manners of the omnidirectional wireless monitoring apparatus of the present invention have been described, but the embodiments of the present invention are not limited to the above implementation manners. For example, the sound intake and output module referred to in the above embodiments may be used together with an electronic gyro module, may be used together with a communication and debugging module, and may even be integrated into one embodiment. The user can correspondingly select each functional module and the specific function in the functional module according to the requirements of the actual application occasions.
According to the utility model discloses an above-mentioned multiple implementation, the utility model discloses can use in each field such as rescue in the pit, safety monitoring, public security precaution, have extensive application scene.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.
Claims (8)
1. An omnibearing wireless monitoring device is characterized by comprising at least one image shooting module, an image processing, computing and controlling module (20) and a wireless transmission module (30); the image shooting modules are arranged at intervals of a certain angle to monitor a monitoring site; wherein,
the image shooting module transmits the shot images to the image processing, computing and control module (20), the image processing, computing and control module (20) splices all the images into an omnidirectional image, then the obtained omnidirectional image is processed by image enhancement, image restoration, image segmentation, motion estimation, tracking and image compression coding, and the obtained processing result is transmitted through the wireless transmission module (30).
2. The omni-directional wireless monitoring device according to claim 1, further comprising a sound intake and output module (50) for collecting sounds from a monitoring site and enabling communication between a control center and the monitoring site, wherein the sound intake and output module (50) is connected to the image processing, computing and control module (20).
3. The omni-directional wireless monitoring device according to claim 1, further comprising an electronic gyroscope module (60) for indicating orientation and angle for the omni-directional wireless monitoring device; the electronic gyroscope module (60) is connected to the image processing, computing and control module (20).
4. The omni-directional wireless monitoring device according to claim 3, further comprising a global positioning module (70) for indicating a current location of the omni-directional wireless monitoring device; the global positioning module (70) is connected to the image processing, computing and control module (20).
5. The omni-directional wireless monitoring device according to claim 1, further comprising a communication and commissioning module (80) for data communication and commissioning of the omni-directional wireless monitoring device; the communication and debugging module (80) is connected to the image processing, computing and control module (20).
6. The omni-directional wireless monitoring device according to claim 1, further comprising a sound intake and output module (50), an electronic gyroscope module (60), a global positioning module (70), and a communication and commissioning module (80); wherein, the sound taking and outputting module (50), the electronic gyroscope module (60), the global positioning module (70) and the communication and debugging module (80) are all connected to the image processing, operation and control module (20).
7. The omni-directional wireless monitoring device according to claim 1, 2, 3, 4, 5 or 6, wherein the image capturing module comprises three image capturing modules, each image capturing module having a capturing angle greater than 120 degrees; the three image shooting modules are arranged on the same horizontal plane at an included angle of 120 degrees, and the included angle between each shooting module and the horizontal plane is 60 degrees.
8. The omni-directional wireless monitoring device according to claim 1, 2, 3, 4, 5 or 6, wherein the image capturing module comprises four image capturing modules, each image capturing module having a capturing angle greater than 90 degrees; the four image shooting modules are arranged on the same horizontal plane at 90-degree included angles, and the included angle between each shooting module and the horizontal plane is 45 degrees.
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| CN200820079357.3U CN201238357Y (en) | 2008-03-12 | 2008-03-12 | All-directional wireless monitoring apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510482A (en) * | 2011-11-29 | 2012-06-20 | 蔡棽 | Image splicing reconstruction and overall monitoring method for improving visibility and visual distance |
| CN103413423A (en) * | 2013-07-26 | 2013-11-27 | 西北工业大学 | FPGA-based low-power-consumption monitoring system |
| CN106534787A (en) * | 2016-11-16 | 2017-03-22 | 北京明泰朗繁精密设备有限公司 | Video display system |
| CN108710260A (en) * | 2018-04-03 | 2018-10-26 | 厦门攸信信息技术有限公司 | A kind of interior panorama photography method and device |
| CN111836021A (en) * | 2020-07-24 | 2020-10-27 | 深圳市电为科技有限公司 | Panoramic visual patrol trolley remote real-time control system |
| CN114897707A (en) * | 2022-02-28 | 2022-08-12 | 合肥指南针电子科技有限责任公司 | Intelligent prevention and control method based on surveillance video image quality enhancement algorithm |
-
2008
- 2008-03-12 CN CN200820079357.3U patent/CN201238357Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510482A (en) * | 2011-11-29 | 2012-06-20 | 蔡棽 | Image splicing reconstruction and overall monitoring method for improving visibility and visual distance |
| CN103413423A (en) * | 2013-07-26 | 2013-11-27 | 西北工业大学 | FPGA-based low-power-consumption monitoring system |
| CN106534787A (en) * | 2016-11-16 | 2017-03-22 | 北京明泰朗繁精密设备有限公司 | Video display system |
| CN108710260A (en) * | 2018-04-03 | 2018-10-26 | 厦门攸信信息技术有限公司 | A kind of interior panorama photography method and device |
| CN111836021A (en) * | 2020-07-24 | 2020-10-27 | 深圳市电为科技有限公司 | Panoramic visual patrol trolley remote real-time control system |
| CN111836021B (en) * | 2020-07-24 | 2022-10-28 | 深圳市电为科技有限公司 | Panoramic visual patrol trolley remote real-time control system |
| CN114897707A (en) * | 2022-02-28 | 2022-08-12 | 合肥指南针电子科技有限责任公司 | Intelligent prevention and control method based on surveillance video image quality enhancement algorithm |
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