CN101277430A - Non-blind spot novel video monitoring system - Google Patents
Non-blind spot novel video monitoring system Download PDFInfo
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- CN101277430A CN101277430A CNA2008100548684A CN200810054868A CN101277430A CN 101277430 A CN101277430 A CN 101277430A CN A2008100548684 A CNA2008100548684 A CN A2008100548684A CN 200810054868 A CN200810054868 A CN 200810054868A CN 101277430 A CN101277430 A CN 101277430A
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Abstract
The invention provides a blind spot free novel video monitoring, watching system. The system comprises cameras, a telecom network, and a monitoring computer. At least one of the cameras has an overall monitoring fisheyes lens with a view field range 270 degrees to 320 degrees and at least one regular zooming monitoring lens for the suspicious part detailed observation respective composes a main camera and a assistant camera with the CCD. At the same time, with the reduction of the cameras, the monitored image quantity is reduced synchronously, which decreases the working quantity of the monitoring stuffs; and under the situation of needing video, the system can save the memory hard disk space for the image documents, thereby the system increases the information of the recorded information and prolongs the recording time under the premise of the same memory distribution.
Description
Technical field
Patent of the present invention relates to a kind of based on the fish-eye novel video monitoring of the angle of visual field, surveillance more than 270 °, be exactly specifically, by in traditional supervisory control system, using ultra-large vision field cowfish glasses head, make this new system compare the quantity that can reduce monitoring camera to greatest extent with traditional system, increase region and the spatial domain scope of monitoring to greatest extent, and be used for conventional and particular surroundings as, the detection and the supervision of tunnel or pipeline inner arm; Also can be used for security protection and military full spatial domain supervision; Also can be used to carry out the driver assistance on narrow and small navigation channel or road surface.
Background technology
Traditional monitoring technique of safety-security area is quite ripe through the development of decades, its operation principle is to utilize camera (being made of camera lens and CCD) to take the guarded region picture through wired and wireless transmission, picture is sent on the various monitors, be aided with various image processing and management software and necessary photoelectric alarm system again, make the security protection guard implement the key area is monitored.Its basic comprising comprises: camera, camera The Cloud Terrace, transmission of video circuit and network that optical lens and photoelectric coupled device CCD form, the video acquisition processor, supervision and management center (computer or computer group) and image management software and cradle head control software.In recent years,, utilized the monitoring form of Network Transmission also to obtain unprecedented development, and made monitoring efficiency be further enhanced along with the continuous development and the popularization and application of computer networking technology.
But, the general angle of visual field that adopts is the conventional camera lens of tens degree in the tradition supervisory control system, the monitoring range of single camera lens is very limited, in order to satisfy the monitoring of bigger, wider even full visual field not being had blind spot, must rely on the quantity that increases camera lens and increase the The Cloud Terrace scanning means, this just makes that system is huger, circuit is more complicated, promptly waste resource and increase monitor staff's workload again, and, the scanning motion of The Cloud Terrace itself has certain frequency, still there is blind spot in periodic certain time period, thereby reduced monitoring efficiency.
Fish eye lens is very special a kind of in all optical lens classifications, belongs to f θ camera lens, and image-forming principle is " non-similar imaging ", promptly by introducing quantitatively " distortion ", produces greatly instead more than, increase camera lens visual field.Different applications, fish-eye structural parameters are different with the applied environment parameter.Last century the seventies, fish eye lens at first occurs in film industry, thereby has caused the prelude that fish eye lens is widely used.
Its angle of visual field of fish eye lens in the market is all about 180 °, along with the progress of digital image processing techniques, to the raising of material deformation process ability and market to the continuous appearance of diversified camera lens demand, promoted fish eye lens is designed and developed and used.Simultaneously, along with the optical design theory constantly obtains important breakthrough, the angle of visual field is far longer than 180 ° of fish-eye optical texture aberrations controls and optimizes also becomes possibility gradually.The inventor on Modern Geometry optical aberration theoretical foundation, the monitoring fish eye lens that utilizes fish eye lens and CCD based on the big angle of visual field to be used, this has just established necessary base for the foundation of novel video monitoring system.
Summary of the invention
In view of above-mentioned technology status, the invention provides a kind of non-blind spot novel video monitoring, surveillance, by in system, using the angle of visual field at the alternative conventional camera lens of 270 °～320 ° fish eye lens, solve traditional supervisory control system and had blind zone problem, reduced simultaneously the storage hard drive space that image file occupies greatly, thereby can avoid the scanning The Cloud Terrace that uses camera lens under many circumstances, and then the periodicity blind zone problem that the scanning The Cloud Terrace is existed is evaded.
For achieving the above object, a kind of non-blind spot novel video monitoring provided by the invention, surveillance comprise camera, carrier class network, supervisory control comuter; Have at least the universe of one 270 °～320 ° of angle of visual field scopes to monitor fish eye lens and have at least a conventional zoom monitoring camera lens that the part of leaving a question open is examined to constitute main camera of monitoring and auxiliary camera with CCD respectively in the wherein said camera.
According to technical scheme of the present invention, the fish eye lens of described camera, it has negative meniscus lens, double concave type lens, negative meniscus lens, lenticular lens, the two gummed of positive and negative curved month type mirror group, two 13 eyeglasses of 10 mirror groups that glue together mirror group, biconvex, negative meniscus lens group, biconvex lens of negative curved month type that are arranged in order; Wherein, between one of them eyeglass of described positive and negative curved month type two gummed mirror group and the two gummed of negative curved month type mirror group, the light hurdle is set.
According to the solution of the present invention, preceding group of related power of lens absolute value ratio was followed successively by 1: 1.4: 7.4: 14.6: 48.2; The total focal power A1 that is positioned at all lens before the described smooth hurdle is for negative, and the total focal power A2 that is positioned at all lens behind the described smooth hurdle is being for just, the absolute value of focal power ratio | A1/A2|=2: 1.
According to the solution of the present invention, the fish-eye parameter area of related camera is: 270 °～320 ° of the angles of visual field; Instead more than L '/f '=4～12; Relative aperture D/f '=1/2～1/16.
According to the solution of the present invention, the fish eye lens structure of related camera, its full visual field of fish eye lens focal length bi-directional scaling image height diameter range 1mm～50mm.
According to technical scheme of the present invention, the reducible space coordinate conversion software that goes out orthoscopic image is installed in described video monitoring, surveillance, this class image processing software can carry out special processing to the image that fish eye lens is taken, by to picture segmentation, distortion, fusion treatment, can produce a distortionless width of cloth or a few width of cloth normal picture, thereby more meet people's visual custom.
The good effect that the present invention had is: the present invention has reduced traditional supervisory control system does not have the blind spot monitoring to universe system complex degree to greatest extent, reduced the quantity of required camera lens, can cancel the scanning cradle head device under many circumstances, the reliability of elevator system, simultaneously, minimizing along with number of shots, the number of pictures that is supervised also reduces synchronously, reduced monitoring staff's workload, under the situation of need video recording, can save the storage hard drive space that image file occupies again, and therefore under the prerequisite of equal stored configuration, increase the information of the image of recording, prolong writing time.
Description of drawings
Fig. 1 is a system diagram of the present invention.
Fig. 2 fish-eye camera schematic diagram.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
A kind of non-blind spot novel video monitoring, surveillance by shown in Figure 1 comprise camera A, B, carrier class network C, supervisory control comuter D; It has at least the universe of one 270 °～320 ° of angle of visual field scopes to monitor fish eye lens and has at least one to constitute main camera A and auxiliary camera B with photoelectric coupled device CCD respectively in order to the conventional zoom monitoring camera lens that the part of leaving a question open is examined for described camera.In this enforcement, described 270 °～320 ° angle of visual field fish eye lens structures, it is made of 13 eyeglasses of 10 mirror groups; Three two gummed mirror groups are wherein arranged.Installation site and mode are: be aligned in sequence with lens 1, lens 2, lens 3, be negative meniscus lens, convex surface works to strengthen the angle of visual field forward; Lens 4, be biconcave lens, the backward-facing that the curvature absolute value is big; Lens 5 are negative meniscus lens, and after the leading convex surface of concave surface was super, these two lens play and reduce first aperture of lens, increase the system aperture effect; Lens 6 are biconvex lens, and the curvature absolute value is forward-facing big; Lens 7-1 and lens 7-2 in two gummed mirror groups are respectively positive curved month type and negative curved month type, its convex surface all forward, after concave surface is all super; Lens 8-1 in two gummed mirror groups and lens 8-2 are negative curved month type, and its concave surface all forward; Lens 9-1 in two gummed mirror groups and lens 9-2 are respectively the lenticular type, negative curved month type gummed forms; Wherein the face that lens 9-2 curvature absolute value is big is a cemented surface, and lens 10 are biconvex lens, and the curvature absolute value is forward-facing big; In whole lens optical structure, the light field is between lens 7-2 and lens 8-1.In the present embodiment, the focal power absolute value ratio of described preceding group lens 1-5 was followed successively by 1: 1.4: 7.4: 14.6: 48.2; With preceding group of lens 1 that are positioned at described smooth hurdle to total focal power of lens 7-2 for negative, back group lens 8-1 to total focal power of lens 10 for just, the absolute value of its total focal power ratio is 2: 1.In the present embodiment, the fish-eye parameter area of related camera is: 270 °～320 ° of the angles of visual field; Instead more than L '/f '=4～12; Relative aperture D/f '=1/2～1/16.In the present embodiment, related fish eye lens structure, its full visual field of fish eye lens focal length bi-directional scaling image height diameter range is 1mm～50mm.
According to characteristics of the present invention, be designed to the monitoring fish eye lens that 320 ° of a angles of visual field are used for 1/3 inch target surface colored CCD.This camera lens basic parameter is as follows: focal distance f '=1.22mm; Relative aperture: D/f '=1/1.8; The full angle of visual field: 2 ω=320 °; Its optics rear cut-off distance: L '=9.3mm; Lens optical total length: L=50.84mm; The maximum eyeglass bore of camera lens Φ 76mm.The material of first eyeglass of bore maximum is the most frequently used optical material K9 (Nd=1.5168).
In the present invention, critical component is a flake monitoring camera lens.Simple relatively to enforcement of the present invention, just the routine that substitutes in the legacy system with fish eye lens is monitored camera lens, and choice criteria CCD, and remaining part and technology are all compatible and general with traditional supervisory control system.Camera in the supervisory control system of the present invention plays the universe supervisory function bit, and each system only needs 1 or 2, if the conventional visual angle of auxiliary again zoom camera just can be guaranteed the accuracy of monitoring to the part primary part observation again that leaves a question open in needs.What deserves to be explained is, flake monitoring camera lens in the native system is according to " non-similar imaging " principle design, in other words, there be certain " distortion " in its institute's picture of taking the photograph, there are distortion in picture and true scenery on spatial form and position, if eliminate distortion, need an image restoring software, the good news is, image deformation process software market is on sale at present, for example, fisheye player and adobe after effects, and also difficult matter by no means of the more accurate space coordinate conversion software of establishment are because " distortion " of camera lens and the Changing Pattern of each visual field, after being designed out, camera lens just determines to possess full and accurate data.By usage space Coordinate Conversion software, just can monitor lens shooting or the monitored picture noted carries out in real time or the processing that lags behind to flake, picture is converted into distortionless a few width of cloth normal picture, for accurately extracting information in the monitoring content.In addition, because the minimizing of monitoring number of shots, except the simplified system structure, also have a huge advantage to be embodied in the video recording link in addition, can save the storage hard drive space that image file occupies, and therefore under the prerequisite of equal configuration, increase the capacity of the image of recording, prolong writing time.
Claims (5)
1. a non-blind spot novel video monitoring, surveillance comprise camera, carrier class network, supervisory control comuter; It is characterized in that having at least in the described camera universe of one 270 °～320 ° of angle of visual field scopes to monitor fish eye lens and have at least a conventional zoom monitoring camera lens that the part of leaving a question open is examined to constitute main camera of monitoring and auxiliary camera with CCD respectively.
2, by the described a kind of non-blind spot novel video monitoring of claim 1, surveillance, the fish eye lens that it is characterized in that described camera, it has two 13 eyeglasses of 10 mirror groups that glue together mirror group (8-1,8-2), biconvex, negative meniscus lens group (9-1,9-2), biconvex lens (10) of negative meniscus lens (1,2,3), double concave type lens (4), negative meniscus lens (5), lenticular lens (6), the two gummed of positive and negative curved month type mirror group (7-1,7-2), negative curved month type that are arranged in order; Wherein, at described eyeglass (7-2) with (8-1) the light hurdle is set.2. by the described fish eye lens structure of claim 1, it is characterized in that the focal power absolute value ratio of described lens (1-5) was followed successively by 1: 1.4: 7.4: 14.6: 48.2; Being positioned at front and back, light hurdle group lens (1-7-2) and total focal power absolute value ratio (8-1-10) is 2: 1.
3. by the described a kind of non-blind spot novel video monitoring of claim 1, surveillance, it is characterized in that the fish eye lens parameter area of described camera is: 270 ° 320 ° of the angles of visual field; Instead more than L '/f '=4～12; Relative aperture D/f '=1/2～1/16.
4. by claim 1,2 described a kind of non-blind spot novel video monitorings, surveillance, it is characterized in that full visual field image height diameter range is 1mm～50mm behind the fish eye lens focal length bi-directional scaling of camera.
5. by the described a kind of non-blind spot novel video monitoring of claim 1, surveillance, it is characterized in that in described video monitoring, surveillance, installing the space coordinate conversion software that restores orthoscopic image.
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| CNA2008100548684A CN101277430A (en) | 2008-04-23 | 2008-04-23 | Non-blind spot novel video monitoring system |
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| CNA2008100548684A CN101277430A (en) | 2008-04-23 | 2008-04-23 | Non-blind spot novel video monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561213A (en) * | 2013-11-14 | 2014-02-05 | 深圳市视晶无线技术有限公司 | Wireless shooting management system with auxiliary camera |
| CN104297680A (en) * | 2014-10-29 | 2015-01-21 | 杭州凯达电力建设有限公司 | Switch position detecting method and system |
| CN115278091A (en) * | 2022-10-08 | 2022-11-01 | 环球数科集团有限公司 | Automatic camera system with all-directional automatic inspection and visual perception functions |
-
2008
- 2008-04-23 CN CNA2008100548684A patent/CN101277430A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561213A (en) * | 2013-11-14 | 2014-02-05 | 深圳市视晶无线技术有限公司 | Wireless shooting management system with auxiliary camera |
| CN104297680A (en) * | 2014-10-29 | 2015-01-21 | 杭州凯达电力建设有限公司 | Switch position detecting method and system |
| CN115278091A (en) * | 2022-10-08 | 2022-11-01 | 环球数科集团有限公司 | Automatic camera system with all-directional automatic inspection and visual perception functions |
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Open date: 20081001 |