CN203104635U - Character superimposing device - Google Patents
Character superimposing device Download PDFInfo
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- CN203104635U CN203104635U CN 201320050966 CN201320050966U CN203104635U CN 203104635 U CN203104635 U CN 203104635U CN 201320050966 CN201320050966 CN 201320050966 CN 201320050966 U CN201320050966 U CN 201320050966U CN 203104635 U CN203104635 U CN 203104635U
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Abstract
The utility model provides a character superimposing device, which is applicable to the field of monitoring technology. The character superimposing device comprises a video receiving module, an analog-to-digital conversion module, a data processing module, a character superimposing module and a video output module, wherein the above-mentioned modules are successively connected, and an output terminal of the video receiving module is connected with the character superimposing module. According to the utility model, the analog-to-digital conversion module converts a received analog signal into a digital video signal; then the data processing module acquires information about the number of people in an image according to an image analysis algorithm; then the character superimposing module superimposes the acquired information about the number of people into a video signal; and finally, information about the number of people in a current image can be displayed on a connected display in real time, which enables elevator monitoring and managing personnel to conveniently know the number of people in an elevator in real time.
Description
Technical field
The utility model belongs to the monitoring technique field, relates in particular to a kind of character adder.
Background technology
Character adder is also referred to as character generator, is used for producing some special font or figures on the screen of display, allows the user obtain some information indicatings.Character adder is widely used in the monitoring field, character adder is connected between CCD camera assembly and the display, can on the screen of display, produce the needed character information of some monitor staff, such as can on screen, demonstrating current time, date, video numbering or the like in real time.But in some application scenarios, in elevator monitoring, present character adder some basic character informations that can only superpose on vision signal can't demonstrate the number information in the current elevator in real time on screen.
The utility model content
In view of the above problems, the utility model provides a kind of character adder, is intended to solve can't superpose in vision signal number information's technical problem of existing character generator.
On the one hand, described character adder comprises:
Be used to receive the video reception module of analog video signal;
Be used for the described analog video signal that receives is converted to the analog-to-digital conversion module of digital video signal;
Be used for analyzing current number information's data processing module from described digital video signal;
Be used for the be added to character laminating module of described analog video signal with described number information;
Be used to export the video output module of the described number information's of being superimposed with vision signal;
Wherein, described video reception module, analog-to-digital conversion module, data processing module, character laminating module and video output module are connected in turn, and the output of described video reception module is also connected to described character laminating module.
On the other hand, described video monitoring system comprises CCD camera assembly, character adder and display, and described CCD camera assembly, character adder and display are connected in turn, and described character adder also is connected with controlling platform.
The beneficial effects of the utility model are: the character adder that the utility model provides comprises the video reception module, analog-to-digital conversion module, data processing module, character laminating module and video output module, wherein, after described analog-to-digital conversion module becomes digital video signal with the analog signal conversion that receives, data processing module is according to image analysis algorithm, obtain the number information in the image, the character laminating module is added to the number information who obtains in the vision signal then, can on the display that connects, demonstrate the number information in the present image at last in real time, be convenient to the elevator monitoring administrative staff like this and know number situation in the elevator in real time, carry out subsequent operation, after surpassing predetermined value such as the elevator number, give a warning, statistics day turnover elevator demographics, crowd's traffic statistics or the like.
Description of drawings
Fig. 1 is the structure chart of a kind of character adder of providing of the utility model embodiment;
Fig. 2 is the structure chart of the another kind of character adder that provides of the utility model embodiment;
Fig. 3 is the structure chart of a kind of video monitoring system of providing of the utility model embodiment;
Fig. 4 is the structure chart of the another kind of video monitoring system that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
For technical scheme described in the utility model is described, describe below by specific embodiment.
Fig. 1 shows the structure of the character adder that the utility model embodiment provides, and only shows the part relevant with the utility model embodiment for convenience of explanation.
The character adder that present embodiment provides comprises the video reception module 11 that is used to receive analog video signal; Be used for the described analog video signal that receives is converted to the analog-to-digital conversion module 12 of digital video signal; Be used for analyzing current number information's data processing module 13 from described digital video signal; Be used for the be added to character laminating module 14 of described analog video signal with described number information; Be used to export the video output module 15 of the described number information's of being superimposed with vision signal; Wherein, described video reception module 11, analog-to-digital conversion module 12, data processing module 13, character laminating module 14 and video output module 15 are connected in turn, and the output of described video reception module 11 is also connected to described character laminating module 14.
Compare with existing character adder, present embodiment has increased analog-to-digital conversion module 12 and data processing module 13, mainly be to carry out graphical analysis by data processing module 13, obtain the number information in the present image, because what handle in the video image processing technology is digital signal, so at first need in the present embodiment to carry out the A/D conversion by analog-to-digital conversion module 12.Present embodiment does not limit the algorithm of the number identification that data processing module 13 adopted; such as the number of people recognizer that can adopt based on the region contour feature; also can adopt number of people recognizer, combine automatic number of people recognizer of mean shift and many features or the like in conjunction with gradient and color histogram, if can arrive can obtain the existing algorithm of number information in the image all within the protection range of present embodiment according to digital image processing techniques.After getting access to the number information, character laminating module 14 is added to described information and comes from the analog video signal of video reception module 11, video output module 15 gets final product described vision signal output again, so just can see real-time number information on the screen of the display that connects.Obviously, the laminating module of character described in the present embodiment 14 some other the simple characters information that can also in vision signal, superpose, such as time, date or the like, these all are the functions that existing character adder can be realized, present embodiment is not being given unnecessary details.
In the foregoing description, because the vision signal of character laminating module 14 outputs is analog signals, therefore the vision signal of video output module 15 outputs also is an analog signal, and this moment, what the video output terminals of character adder connected was conformable display when using character adder.But when needs connect digital display, as shown in Figure 2, as preferred embodiment, here second analog-to-digital conversion module 16 that is connected between character laminating module 14 and the video output module 15 need increased on the basis of the foregoing description, described second analog-to-digital conversion module 16 is used for converting the analog video signal of character laminating module 14 outputs to digital video signal, video output module 15 can be exported digital signal like this, makes the utility model also can connect digital display.
On the other hand, present embodiment also provides a kind of video monitoring system, structure as shown in Figure 3, comprise CCD camera assembly 2, the described character adder 1 of the foregoing description and display 3, described CCD camera assembly 2, character adder 1 and display 3 are connected in turn, and described character adder 1 also is connected with controlling platform 4.Usually character adder 1 includes a plurality of inputs and a plurality of output, each input can connect a CCD camera assembly 2, each output can connect a display 3, such as in elevator monitoring system, all be equipped with a CCD camera assembly 2 in each lift car, described CCD camera assembly 2 can get access to the image information in the elevator, and the analog video signal that obtains is sent to character adder 1, character adder 1 analyzes number information and stack output from image information, on the display 3 that connects for output, just can demonstrate the number information in the current elevator, described character adder 1 is also connected to controlling platform 4, the monitor staff can control by 4 pairs of described character adders 1 of described controlling platform, comprise display position parameter or the like is set, some other character informations can also control character superimposer 1 superpose in vision signal, such as the time, date, legend or the like, described character information comprises numeral, English alphabet, Chinese character, figure or the like.
In the monitoring field, usually also to use video matrix, its function was that the vision signal that the method for array switching is exported the multichannel CCD camera assembly exports to arbitrarily on the multichannel display.As preferred embodiment, the character adder that present embodiment provides also can compatible video matrix, with reference to Fig. 4, provided the another kind of structure of the video monitoring system that present embodiment provides, not only comprise each parts shown in 3, also comprise the video matrix 5 that is connected between described CCD camera assembly 2 and the character adder 1, in this preferred implementation, a video matrix is supported a plurality of character adder cascades, the control end of described video matrix 5 is also connected to described controlling platform 4, the monitor staff also can pass through controlling platform 4 control of video matrixes, adjusts the control of video signal and outputs in the corresponding display 3.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. a character adder is characterized in that, described character adder comprises:
Be used to receive the video reception module (11) of analog video signal;
Be used for the described analog video signal that receives is converted to the analog-to-digital conversion module (12) of digital video signal;
Be used for analyzing current number information's data processing module (13) from described digital video signal;
Be used for the be added to character laminating module (14) of described analog video signal with described number information;
Be used to export the video output module (15) of the described number information's of being superimposed with vision signal;
Wherein, described video reception module (11), analog-to-digital conversion module (12), data processing module (13), character laminating module (14) and video output module (15) are connected in turn, and the output of described video reception module (11) is also connected to described character laminating module (14).
2. character adder according to claim 1, it is characterized in that, also be connected with second analog-to-digital conversion module (16) that is used for the analog video signal of described character laminating module (14) output is converted to digital video signal between described character laminating module (14) and the video output module (15).
3. video monitoring system, it is characterized in that, described system comprises CCD camera assembly (2), character adder as claimed in claim 1 or 2 (1) and display (3), described CCD camera assembly (2), character adder (1) and display (3) are connected in turn, and described character adder (1) also is connected with controlling platform (4).
4. as video monitoring system as described in the claim 3, it is characterized in that, described system also comprises the video matrix (5) that is connected between described CCD camera assembly (2) and the character adder (1), and the control end of described video matrix (5) is also connected to described controlling platform (4).
5. video monitoring system as described in requiring 4 as power is characterized in that described character adder (1) has one at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050966 CN203104635U (en) | 2013-01-30 | 2013-01-30 | Character superimposing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050966 CN203104635U (en) | 2013-01-30 | 2013-01-30 | Character superimposing device |
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| Publication Number | Publication Date |
|---|---|
| CN203104635U true CN203104635U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320050966 Expired - Fee Related CN203104635U (en) | 2013-01-30 | 2013-01-30 | Character superimposing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961581A (en) * | 2017-03-23 | 2017-07-18 | 济南飞越机电科技有限公司 | It is a kind of to be realized by manipulating character to the monitoring system of cradle head control |
| CN108184100A (en) * | 2018-01-22 | 2018-06-19 | 中原工学院 | A kind of multipoint wireless Video transmission system |
| CN109963089A (en) * | 2017-12-22 | 2019-07-02 | 中国科学院沈阳自动化研究所 | A kind of submersible water surface unit video system |
| CN111405201A (en) * | 2020-04-13 | 2020-07-10 | 北京小鸟科技股份有限公司 | Multi-time processing and display system, processing device and display equipment |
-
2013
- 2013-01-30 CN CN 201320050966 patent/CN203104635U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961581A (en) * | 2017-03-23 | 2017-07-18 | 济南飞越机电科技有限公司 | It is a kind of to be realized by manipulating character to the monitoring system of cradle head control |
| CN109963089A (en) * | 2017-12-22 | 2019-07-02 | 中国科学院沈阳自动化研究所 | A kind of submersible water surface unit video system |
| CN108184100A (en) * | 2018-01-22 | 2018-06-19 | 中原工学院 | A kind of multipoint wireless Video transmission system |
| CN111405201A (en) * | 2020-04-13 | 2020-07-10 | 北京小鸟科技股份有限公司 | Multi-time processing and display system, processing device and display equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20170130 |