CN102682608B - Method for image forensics of motor vehicle plate covering and staining behaviors - Google Patents
Method for image forensics of motor vehicle plate covering and staining behaviors Download PDFInfo
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Abstract
The invention relates to an image forensic method for the traffic management industry, in particularly to a method for the image forensics of motor vehicle plate covering and staining behaviors, wherein an induction coil or video detection is utilized to detect vehicles, and when a passing vehicle is detected, a signal is sent to a control host; the control host receives the signal, a wireless network is utilized, and simultaneously, a plurality of high-definition cameras are enabled to shoot; the cameras shoot from multiple angles, the shot pictures of the cameras from the adjacent angles can clearly capture the common part of the vehicle, and condition that the pictures are a group of pictures of the same vehicle from different angles is proved; the road surface has an obvious mark when the vehicle is shot, the mark can be identified from the shot picture, so the group of pictures are further proved to be taken on the same vehicle from multiple angles at the same place; through global positioning system (GPS) timing, all the cameras are synchronized, times and places are added onto the pictures after the cameras take the pictures, so the group of pictures are further proved to be taken on the same vehicle from multiple angles at the same place; according to steps 3 to 5, an complete chain of evidence is formed; and a plate identification system is utilized to compare a head picture with a tail picture of the vehicle to find out the plate covering or staining condition.
Description
Technical field
The present invention relates to a kind of image forensics method of traffic control industry, a kind of motor vehicle blocks the image forensics method with stained car plate behavior specifically.
Background technology
Along with urban road is constantly built, vehicles number is also more and more, and the traffic monitoring in city also increases thereupon.Some drivers, in order to hide " electronic eyes " or to hurry on a journey, are deliberately blocked number plate or stained number, have brought thus many hidden trouble of traffics, once there is traffic hazard, investigate and prosecute difficulty and have also strengthened much.
At present traffic control department is for the main way of this type of act of violating regulations: the one, and traffic police's patrol of setting out on a journey, find that there is the motor vehicle that blocks number plate, stained number, before catching up with, go to punish, in this case, motor vehicle violating the regulations likely can accelerate to run away, the new hidden trouble of traffic of increase; The 2nd, special security personnel passes through road monitoring, find that motor vehicle blocks the behaviors such as number plate, notify traffic police on duty in road the place ahead, to establish card interception, in this case, if the traffic police of card differs and intercepts surely vehicles peccancy, or vehicles peccancy establishes in card situation finding that there is, and rapidly shelter taken away, destroy incriminating evidence, the traffic police that makes to enforce the law is difficult to punishment.
Present urban road vehicle monitoring mainly be take bayonet socket candid photograph, the candid photograph of making a dash across the red light, the candid photograph of pressure yellow line as main, and these candid photograph modes are to capture headstock or be the candid photograph tailstock.Even if capture the behavior block to motor vehicle number, headstock photo of single screen or tailstock photo, be difficult to judge the details of this motor vehicle, for punishment, has no way of doing it.In some criminal cases, suspect utilizes these means especially, hides to capture the ，Wei police and solve a case and brought no small difficulty.At present to motor vehicle block, the image forensics of stained car plate behavior do not have a kind of effective method.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the shortcoming of prior art, proposes a kind of motor vehicle and blocks the image forensics method with stained car plate behavior, simple and practical, can effectively motor vehicle be blocked with stained car plate behavior and be collected evidence.
The technical scheme that the present invention solves above technical matters is:
Motor vehicle blocks the image forensics method with stained car plate behavior, image forensics device used comprises ground induction coil or video detecting device, main control system and license plate recognition device, the region, road surface that the region, road surface that ground induction coil forms or video detecting device are aimed at forms vehicle and crosses pavement detection region, image forensics device also comprises at least three high-definition cameras and pavement markers, high-definition camera at least crosses the front upper place in pavement detection region at vehicle, back upper place and side top are respectively installed one, within pavement markers are arranged on the scope that all high-definition cameras can photograph, the communication connection of ground induction coil or video detecting device and main control system, high-definition camera communicates to connect with main control system, starts high-definition camera take while crossing in order to vehicle to have been detected when ground induction coil or video detecting device by main control system, high-definition camera and license plate recognition device communication connection, in order to the photo photographing is passed to, license plate recognition device carries out headstock photo and the contrast of tailstock photo identifies the vehicle blocking with stained car plate, image forensics method is carried out according to the following steps:
(i) utilize ground induction coil or video detecting device to carry out vehicle detection, when vehicle having been detected and cross pavement detection region, the vehicle detecting is crossed to signal and send to main control system;
(ii) main control system receives that vehicle crosses after signal, communicates and is connected with high-definition camera, starts high-definition camera and captures simultaneously;
(iii) a plurality of high-definition cameras form a plurality of angles candid photographs, and the clear candid photograph of adjacent camera, to vehicle common sites, proves that this is the photo of one group of same vehicle different angles; When motor vehicle is taken, there are obvious pavement markers, on taking pictures, can recognize mark, further prove that this group photo is the multi-angled shooting that same vehicle is carried out in same place;
During (iv) by GPS school, utilize GPS time corrector to obtain the time signal of standard from gps satellite, time signal is transferred to (GPS time corrector product employing SMT surface mounting technology generation on main control system by serial ports or network interface, large scale integrated circuit design, with high-speed chip, control, have that precision is high, good stability, function are strong, without accumulated error, be not subject to the environmental baseline restrictions such as regional climate, cost performance high, simple to operate etc. specially.), main control system is after getting temporal information, and synchronous all video cameras, are added to when and where on photo after video camera candid photograph photo, and illustrating further like this this group photo is the synchronous shooting to same place at synchronization;
(v) according to step (iii)～(iv), form complete evidence chain;
(vi) utilize license plate recognition device to compare to the headstock photo of vehicle and tailstock photo, find out license plate shading or stained vehicle, integrating step evidence chain (v) completes motor vehicle and blocks the image forensics with stained car plate behavior.
Like this, multiple cameras multi-angle synchronization is captured, and mark is set in image pickup scope, in several photos, there is same mark like this, confirm that the motor vehicle occurring in photo is same, then the photo of headstock and the tailstock in this group photo is compared, can find out the photo that motor vehicle blocks number plate.
The technical scheme that the present invention further limits is:
Aforesaid motor vehicle blocks the image forensics method with stained car plate behavior, and high-definition camera is provided with four, is arranged on respectively front upper place, ,Ce front upper place, back upper place and top, rear flank that vehicle crosses pavement detection region.
Aforesaid motor vehicle blocks the image forensics method with stained car plate behavior, and pavement markers are arranged on the road surface in described ground induction coil the place ahead.
Aforesaid motor vehicle blocks the image forensics method with stained car plate behavior, and main control system model is UTIS-2000, IGO-300C, BIS-6591 or NiceE-6600A/W.
Aforesaid motor vehicle blocks the image forensics method with stained car plate behavior, and ground induction coil or video detecting device are all by wireless network to be communicated be connected with main control system and high-definition camera with license plate recognition device with main control system, high-definition camera.
License plate recognition device used in the present invention can be the license plate recognition device in existing traffic control industry image forensics field, existing license plate recognition device is of a great variety, only need pack car plate identification software into, car plate identification software can be selected: Jiangsu is this car plate identification software, Wenan, Beijing science and technology car plate identification software or Zhejiang large China Tech skill car plate identification software especially.
The invention has the beneficial effects as follows: (1) utilize wireless technology, realize between many cameras simultaneously and capturing, saved on road the loaded down with trivial details things such as winding displacement; (2) Multi-angle omnibearing is captured, and adds fixing label, has reduced on-the-spot true environment, for evidence obtaining, punishment afterwards all provides strong evidence chain; (3) utilize the comparison to headstock, tailstock photo, find out photo violating the regulations, greatly liberated traffic police in the time of investigating and prosecuting this class event violating the regulations, thereby extract the more time out and remove to solve other traffic events, meanwhile, be also conducive to criminal investigation and handle a case, find out the comprehensive photo of required motor vehicle; (4) if apply in a large number urban road monitor, can retrain this type of behavior violating the regulations of driver, make that urban transportation is more unimpeded, safety.
Accompanying drawing explanation
Fig. 1 is equipment layout schematic diagram of the present invention.
Embodiment
embodiment 1
The present embodiment is that a kind of motor vehicle blocks the image forensics method with stained car plate behavior, equipment layout as shown in Figure 1, comprise ground induction coil 1, main control system and license plate recognition device, the region, road surface that ground induction coil 1 forms forms vehicle and crosses pavement detection region, also comprise four high-definition cameras 2 and pavement markers 3, high-definition camera 2 is arranged on respectively the front upper place that vehicle crosses pavement detection region, back upper place, side front upper place and top, rear flank, pavement markers 3 are arranged on the road surface in ground induction coil 1 the place ahead, arranging of pavement markers 3 must guarantee that all high-definition cameras can photograph, main control system available model specifically sees the following form 1:
Table 1
| Model | UTIS-2000(Jiangsu especially this) | IGO-300C(North China science and technology) | The industry control of BIS-6591(North China) | NiceE-6600A/W(Beijing collection intelligence reaches) |
| Processor | Intel Atom N455 1.66 GHz | Intel Atom N270 1.6GHz | Intel Atom N270 1.6GHz | Intel Atom D525 1.8GHz |
| Chipset | Intel ICH8-M Chipset | Intel 945GSE+ICH7M | Intel 945GSE+ICH7M | Intel NM10 Express Chipset |
| Internal memory | DDR2 2G | DDR2 2G | DDR2 2G | DDR2 4G |
| COM | 2*RS-232 | 4*RS-232 | 2*RS-232 | 3*RS-232 |
License plate recognition device can be the license plate recognition device in existing traffic control industry image forensics field, existing license plate recognition device is of a great variety, only need pack car plate identification software into, car plate identification software can be selected: Jiangsu is this car plate identification software, Wenan, Beijing science and technology car plate identification software or Zhejiang large China Tech skill car plate identification software especially.
Ground induction coil 1 is connected by wireless communication with main control system, and high-definition camera 2 is connected by wireless communication with main control system, when ground induction coil 1 has detected, starts high-definition camera 2 while crossing take by main control system; High-definition camera 2 is connected by wireless communication with license plate recognition device, and high-definition camera 2 is passed to license plate recognition device by the photo photographing and carried out the contrast of headstock photo and tailstock photo and identify the vehicle blocking with stained car plate.
Image forensics method is carried out according to the following steps:
(i) utilize ground induction coil to carry out vehicle detection, when vehicle having been detected and cross pavement detection region, the vehicle detecting is crossed to signal and send to main control system;
(ii) main control system receives that vehicle crosses after signal, communicates and is connected with high-definition camera, starts high-definition camera and captures simultaneously;
(iii) a plurality of high-definition cameras form a plurality of angles candid photographs, and the clear candid photograph of adjacent camera, to vehicle common sites, proves that this is the photo of one group of same vehicle different angles; When motor vehicle is taken, there are obvious pavement markers, on taking pictures, can recognize mark, further prove that this group photo is the multi-angled shooting that same vehicle is carried out in same place;
During (iv) by GPS school, utilize GPS time corrector to obtain the time signal of standard from gps satellite, these information exchanges are crossed to serial ports or network interface and be transferred to that on main control system, (GPS time corrector product adopts SMT surface mounting technology to generate, large scale integrated circuit design, with high-speed chip, control, have that precision is high, good stability, function are strong, without accumulated error, be not subject to the environmental baseline restrictions such as regional climate, cost performance high, simple to operate etc. specially.), main control system, after getting temporal information, is superimposed with shooting time and place on all taking pictures, and illustrating further this group photo is the synchronous shooting to same place at synchronization;
(v) according to step (iii)～(iv), form complete evidence chain;
(vi) utilize license plate recognition device to compare to the headstock photo of vehicle and tailstock photo, find out license plate shading or stained vehicle, integrating step evidence chain (v) completes motor vehicle and blocks the image forensics with stained car plate behavior.
embodiment 2
The difference of the present embodiment and embodiment mono-is, with video detecting device, substitute ground induction coil and carry out the detection that vehicle crosses road surface, the region, road surface that video detecting device is aimed at forms vehicle and crosses pavement detection region, the present embodiment comprises video detecting device, main control system and license plate recognition device, also comprise four high-definition cameras 2 and pavement markers 3, high-definition camera 2 is arranged on respectively the front upper place that vehicle crosses pavement detection region, back upper place, side front upper place and top, rear flank, pavement markers 3 arrange on road surface, arranging of pavement markers 3 must guarantee that all high-definition cameras can photograph, video detecting device is connected by wireless communication with main control system, and high-definition camera 2 is connected by wireless communication with main control system, when video detecting device has detected, starts high-definition camera 2 while crossing take by main control system, high-definition camera 2 is connected by wireless communication with license plate recognition device, and high-definition camera 2 is passed to license plate recognition device by the photo photographing and carried out the contrast of headstock photo and tailstock photo and identify the vehicle blocking with stained car plate.
Image forensics method is carried out according to the following steps:
(i) utilize video detecting device to carry out vehicle detection, when vehicle having been detected and cross pavement detection region, the vehicle detecting is crossed to signal and send to main control system;
(ii) main control system receives that vehicle crosses after signal, communicates and is connected with high-definition camera, starts high-definition camera and captures simultaneously;
(iii) a plurality of high-definition cameras form a plurality of angles candid photographs, and the clear candid photograph of adjacent camera, to vehicle common sites, proves that this is the photo of one group of same vehicle different angles; When motor vehicle is taken, there are obvious pavement markers, on taking pictures, can recognize mark, further prove that this group photo is the multi-angled shooting that same vehicle is carried out in same place;
During (iv) by GPS school, utilize GPS time corrector to obtain the time signal of standard from gps satellite, these information exchanges are crossed to serial ports or network interface is transferred on main control system, main control system is after getting temporal information, on all taking pictures, be superimposed with shooting time and place, illustrating further this group photo is the synchronous shooting to same place at synchronization;
(v) according to step (iii)～(iv), form complete evidence chain;
(vi) utilize license plate recognition device to compare to the headstock photo of vehicle and tailstock photo, find out license plate shading or stained vehicle, integrating step evidence chain (v) completes motor vehicle and blocks the image forensics with stained car plate behavior.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (4)
1. motor vehicle blocks the image forensics method with stained car plate behavior, image forensics device used comprises ground induction coil or video detecting device, main control system and license plate recognition device, the region, road surface that the region, road surface that described ground induction coil forms or video detecting device are aimed at forms vehicle and crosses pavement detection region, it is characterized in that: described image forensics device also comprises at least three high-definition cameras and pavement markers, described high-definition camera at least crosses the front upper place in pavement detection region at described vehicle, back upper place and side top are respectively installed one, within the scope that at least three high-definition cameras described in described pavement markers are arranged on can photograph, described ground induction coil or video detecting device and the communication connection of described main control system, the communication connection of described high-definition camera and described main control system, starts described high-definition camera by described main control system while crossing in order to vehicle to have been detected when described ground induction coil or video detecting device and takes, described high-definition camera and the communication connection of described license plate recognition device, in order to the photo photographing is passed to, described license plate recognition device carries out headstock photo and the contrast of tailstock photo identifies the vehicle blocking with stained car plate, described ground induction coil or video detecting device are all by wireless network to be communicated be connected with described main control system and described high-definition camera with described license plate recognition device with described main control system, described high-definition camera, described image forensics method is carried out according to the following steps: (i) utilize described ground induction coil or video detecting device to carry out vehicle detection, when vehicle having been detected and cross described pavement detection region, the vehicle detecting is crossed to signal and send to described main control system,
(ii) described main control system receives that described vehicle crosses after signal, communicates and is connected with described high-definition camera, starts all high-definition cameras and captures simultaneously;
(iii) a plurality of high-definition cameras form a plurality of angles candid photographs, and the clear candid photograph of adjacent camera, to vehicle common sites, proves that this is the photo of one group of same vehicle different angles; When motor vehicle is taken, there are obvious pavement markers, on taking pictures, can recognize mark, further prove that this group photo is the multi-angled shooting that same vehicle is carried out in same place;
During (iv) by GPS school, utilize GPS time corrector to obtain the time signal of standard from gps satellite, time signal is transferred on main control system by serial ports or network interface, main control system is after getting temporal information, synchronous all video cameras, video camera is added to when and where on photo after capturing photo, and illustrating further like this this group photo is the synchronous shooting to same place at synchronization;
(v) according to step (iii)～(iv), form complete evidence chain;
(vi) utilize license plate recognition device to compare to the headstock photo of vehicle and tailstock photo, find out license plate shading or stained vehicle, integrating step evidence chain (v) completes motor vehicle and blocks the image forensics with stained car plate behavior.
2. motor vehicle as claimed in claim 1 blocks the image forensics method with stained car plate behavior, it is characterized in that: described high-definition camera is provided with four, be arranged on respectively front upper place, ,Ce front upper place, back upper place and top, rear flank that described vehicle crosses pavement detection region.
3. motor vehicle as claimed in claim 1 blocks the image forensics method with stained car plate behavior, it is characterized in that: described pavement markers are arranged on the road surface in described ground induction coil the place ahead.
4. the motor vehicle as described in claim 1 or 2 or 3 blocks the image forensics method with stained car plate behavior, it is characterized in that: described main control system model is UTIS-2000, IGO-300C, BIS-6591 or NiceE-6600A/W.
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Denomination of invention: Image forensics method for vehicle occlusion and vehicle license plate smudging Effective date of registration: 20230103 Granted publication date: 20140219 Pledgee: Zijin Trust Co.,Ltd. Pledgor: JIANGSU UTIS NEW TECHNOLOGY Co.,Ltd. Registration number: Y2022980028932 |
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