CN103076029A - Video recognition-based electrical equipment analog acquisition method - Google Patents
Video recognition-based electrical equipment analog acquisition method Download PDFInfo
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- CN103076029A CN103076029A CN2013100267342A CN201310026734A CN103076029A CN 103076029 A CN103076029 A CN 103076029A CN 2013100267342 A CN2013100267342 A CN 2013100267342A CN 201310026734 A CN201310026734 A CN 201310026734A CN 103076029 A CN103076029 A CN 103076029A
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Abstract
The invention relates to a video recognition-based electrical equipment analog acquisition method, relating to the technical field of data acquisition. The video recognition-based electrical equipment analog acquisition method solves the technical problems of high cost and inconvenience in distribution of the existing acquisition method. The video recognition-based electrical equipment analog acquisition method specifically comprises the following steps of: 1) shooting real-time video images of sensitive components on target electrical equipment by using a camera, wherein the sensitive components are instruments capable of displaying analog quantity of the electrical equipment; and 2) recognizing the video image shot in the step 1, recognizing the value of the analog quantity displayed by each sensitive component in the video image so as to obtain the analog quantity of the target electrical equipment. The method provided by the invention is suitable for collecting the analog quantity of the electrical equipment.
Description
Technical field
The present invention relates to data acquisition technology, particularly relate to a kind of technology of the electrical equipment analogue quantity acquiring method based on video identification.
Background technology
In electric power, industrial control field, the real-time status information of monitoring equipment is significant to safe operation, drops into a large amount of investments and obtain these informational needs, and a lot of occasions can't be implemented by the factor restrictions such as technical conditions, cost.
The current occasion that possesses automatic collection, monitoring all adopts traditional mode, namely adopt sensor to change the status information of equipment dress into can measure electric signal, gather to harvester by cable transmission again, thereby obtain corresponding measurement amount information, this implementation method exists following defective:
1) acquisition system needs a large amount of sensor and collecting device, and it is loaded down with trivial details to construct, and inconvenience is installed, and input cost is very high;
2) some occasion is because of limited space, or because can't realize monitoring without factors such as respective sensor;
3) process of sensor installation, wiring is more loaded down with trivial details, often needs the interrupt targets electric equipment operation, and the long-term charging operation of some occasion equipment does not possess the installation of sensors condition;
4) owing to there is the intermediate link problem, the information that causes collecting does not conform to the actual conditions.
Summary of the invention
For the defective that exists in the above-mentioned prior art, technical matters to be solved by this invention provide a kind of cost low, lay convenient, and the data that collect and the actual electrical equipment analogue quantity acquiring method based on video identification that conforms to.
In order to solve the problems of the technologies described above, a kind of electrical equipment analogue quantity acquiring method based on video identification provided by the present invention is characterized in that concrete steps are as follows:
1) utilizes the real time video image of each sensing unit on the camera photographic subjects electrical equipment;
Described sensing unit refers to show the instrument of electrical equipment analog quantity;
2) the captured video image of step 1 is carried out image recognition, identify the analog quantity numerical value that each sensing unit in the video image shows, thereby draw the analog quantity of target electrical equipment.
Further, it is as follows in step 2 video image to be carried out the concrete steps of image recognition:
2.1) according to position, the size of each sensing unit in video image, in video image for each sensing unit arranges a sensitizing range so that the image in each sensitizing range all can demonstrate under the meter reading of sensing unit;
2.2) video data of each sensitizing range in the capture video images, again the video data of each sensitizing range is identified one by one, utilize the image recognition algorithm based on body characteristics and variation track to identify the shown analog quantity numerical value of sensing unit.
Further, it is as follows in step 2 video image to be carried out the concrete steps of image recognition:
2.1) at video image the sensitizing range being set, concrete method to set up is as follows:
The size of the A) position relationship between setting sensitizing range and the nameplate image, and sensitizing range and the relation between the nameplate picture size;
B) utilize the nameplate that identifies each sensing unit in the video image based on the image recognition algorithm of body characteristics;
C) according to the position of nameplate in image of each sensing unit, and the sensitizing range that sets of steps A and position, the size relationship between the nameplate image, in video image for each sensing unit arranges a sensitizing range so that the image in each sensitizing range all can demonstrate under the meter reading of sensing unit;
2.2) video data of each sensitizing range in the capture video images, again the video data of each sensitizing range is identified one by one, utilize the image recognition algorithm based on body characteristics and variation track to identify the shown analog quantity numerical value of sensing unit.
Electrical equipment analogue quantity acquiring method based on video identification provided by the invention, only need utilize the camera of single camera or minute quantity to cooperate the image recognition terminal, can collect the analog quantity of each sensing unit on the target electrical equipment, its cost will add far below existing sensor the data acquisition modes of collecting device, and lay also very convenient, do not need the interrupt targets electric equipment operation to install, the video image that camera is taken also is the real-time status of target electrical equipment, and the data that therefore collect also conform to the actual state of target electrical equipment.
Embodiment
Below in conjunction with specific embodiment technical scheme of the present invention is described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
A kind of electrical equipment analogue quantity acquiring method based on video identification that the embodiment of the invention provides is characterized in that concrete steps are as follows:
1) utilizes the real time video image of each sensing unit on the camera photographic subjects electrical equipment;
Described sensing unit refers to show the instrument of electrical equipment analog quantity;
2) the captured video image of step 1 is carried out image recognition, identify the analog quantity numerical value that each sensing unit in the video image shows, thereby draw the analog quantity of target electrical equipment.
In the step 2 of the embodiment of the invention, the concrete steps of video image being carried out image recognition are as follows:
2.1) at video image the sensitizing range is set;
The mode that the sensitizing range is set has two kinds, and wherein a kind of is responsive method of identification, and another kind is the Dynamic Recognition method;
If the picture position of video image and picture size are thick-and-thin, preferably adopt responsive method of identification at video image the sensitizing range to be set, also can adopt the Dynamic Recognition method at video image the sensitizing range to be set;
If the picture position of video image and picture size can change, then adopt the Dynamic Recognition method at video image the sensitizing range to be set;
Adopt responsive method of identification as follows in the method that video image arranges the sensitizing range: according to position, the size of each sensing unit in video image, in video image for each sensing unit arranges a sensitizing range so that the image in each sensitizing range all can demonstrate under the meter reading of sensing unit;
Adopt the Dynamic Recognition method as follows in the method that video image arranges the sensitizing range:
A) position relationship between setting sensitizing range and the nameplate image, and the size of sensitizing range and the relation between the nameplate picture size, such as the position of setting the sensitizing range directly over the nameplate image, spacing between setting sensitizing range and the nameplate image is 1 times of the narrow edge lengths of nameplate image, setting the sensitizing range is a square area, and its length of side is 5 times of the narrow edge lengths of nameplate image;
B) utilize the nameplate that identifies each sensing unit in the video image based on the image recognition algorithm of body characteristics;
C) according to the position of nameplate in image of each sensing unit, and the sensitizing range that sets of steps A and position, the size relationship between the nameplate image, in video image for each sensing unit arranges a sensitizing range so that the image in each sensitizing range all can demonstrate under the meter reading of sensing unit;
2.2) video data of each sensitizing range in the capture video images, again the video data of each sensitizing range is identified one by one, utilize the image recognition algorithm based on body characteristics and variation track to identify the shown analog quantity numerical value of sensing unit.
In the embodiment of the invention, based on the image recognition algorithm of body characteristics, based on the image recognition algorithm of body characteristics and variation track, be prior art.
Claims (3)
1. electrical equipment analogue quantity acquiring method based on video identification is characterized in that concrete steps are as follows:
1) utilizes the real time video image of each sensing unit on the camera photographic subjects electrical equipment;
Described sensing unit refers to show the instrument of electrical equipment analog quantity;
2) the captured video image of step 1 is carried out image recognition, identify the analog quantity numerical value that each sensing unit in the video image shows, thereby draw the analog quantity of target electrical equipment.
2. the electrical equipment analogue quantity acquiring method based on video identification according to claim 1 is characterized in that, it is as follows in step 2 video image to be carried out the concrete steps of image recognition:
2.1) according to position, the size of each sensing unit in video image, in video image for each sensing unit arranges a sensitizing range so that the image in each sensitizing range all can demonstrate under the meter reading of sensing unit;
2.2) video data of each sensitizing range in the capture video images, again the video data of each sensitizing range is identified one by one, utilize the image recognition algorithm based on body characteristics and variation track to identify the shown analog quantity numerical value of sensing unit.
3. the electrical equipment analogue quantity acquiring method based on video identification according to claim 1 is characterized in that, it is as follows in step 2 video image to be carried out the concrete steps of image recognition:
2.1) at video image the sensitizing range being set, concrete method to set up is as follows:
The size of the A) position relationship between setting sensitizing range and the nameplate image, and sensitizing range and the relation between the nameplate picture size;
B) utilize the nameplate that identifies each sensing unit in the video image based on the image recognition algorithm of body characteristics;
C) according to the position of nameplate in image of each sensing unit, and the sensitizing range that sets of steps A and position, the size relationship between the nameplate image, in video image for each sensing unit arranges a sensitizing range so that the image in each sensitizing range all can demonstrate under the meter reading of sensing unit;
2.2) video data of each sensitizing range in the capture video images, again the video data of each sensitizing range is identified one by one, utilize the image recognition algorithm based on body characteristics and variation track to identify the shown analog quantity numerical value of sensing unit.
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| CN2013100267342A CN103076029A (en) | 2013-01-24 | 2013-01-24 | Video recognition-based electrical equipment analog acquisition method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105727457A (en) * | 2014-12-11 | 2016-07-06 | 苏州雷泰医疗科技有限公司 | Radiation treatment parameter verification apparatus and method, and radiation treatment device |
| CN107545240A (en) * | 2017-07-07 | 2018-01-05 | 杰为软件系统(深圳)有限公司 | A kind of industrial control equipment display screen output picture acquisition system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105727457A (en) * | 2014-12-11 | 2016-07-06 | 苏州雷泰医疗科技有限公司 | Radiation treatment parameter verification apparatus and method, and radiation treatment device |
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| CN107545240A (en) * | 2017-07-07 | 2018-01-05 | 杰为软件系统(深圳)有限公司 | A kind of industrial control equipment display screen output picture acquisition system and method |
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