CN104284081B - A kind of law-enforcing recorder and control method thereof - Google Patents
A kind of law-enforcing recorder and control method thereof Download PDFInfo
- Publication number
- CN104284081B CN104284081B CN201410204643.8A CN201410204643A CN104284081B CN 104284081 B CN104284081 B CN 104284081B CN 201410204643 A CN201410204643 A CN 201410204643A CN 104284081 B CN104284081 B CN 104284081B
- Authority
- CN
- China
- Prior art keywords
- camera
- control module
- sound
- face
- law
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Studio Devices (AREA)
Abstract
The invention discloses a kind of law-enforcing recorder and control method thereof, this law-enforcing recorder comprises law-enforcing recorder main body, camera, control module, sound receiver and sound source locating module, and sound receiver is for receiving the sound in particular frequency range; When sound in sound receiver receives particular frequency range is greater than set point number, control module control auditory localization module is determined the sound source position of the sound in particular frequency range, control module control camera turns to after sound source position, and control module control camera carries out the flash photographing of set point number to sound source position. Law-enforcing recorder can be according to on-the-spot cry, and control camera turns to the very related position of merit takes pictures, thereby obtain, scene photograph is used for follow-up evidence obtaining very clearly; In addition, can effectively follow the trail of comparatively suspicious affiliated person, thereby obtain, photograph is used for follow-up evidence obtaining comparatively clearly.
Description
[technical field]
The present invention relates to law-enforcing recorder field, be specifically related to a kind of law-enforcing recorder and control method thereof.
[background technology]
Law-enforcing recorder is the important tool that police records spot, is often worn on around police's chest. ExistingThe camera of law enforcement record often also fix; In addition, in order to obtain larger visual angle, to obtain maximumCrime videograph in scope, is all to have larger visual angle conventionally, and the videograph definition sometimes obtaining is notEnough.
[summary of the invention]
Find through research, larger when spot, some part in the visual angle of law-enforcing recorder may be fuzzyyer,The case-involving people's in these places complexion and action also may be very fuzzy, often lost broken preferably in follow-up evidence obtainingCase clue; In addition, although the visual angle of law-enforcing recorder is enough large, the ground that often also has a lot of visual angles to coverSide.
In order to overcome the deficiencies in the prior art, make law-enforcing recorder can capture in time strong evidence, the present inventionA kind of law-enforcing recorder and control method thereof are provided.
A kind of law-enforcing recorder, comprises law-enforcing recorder main body, camera and control module, also comprises that sound receives dressPut and sound source locating module, described sound receiver is for receiving the sound in particular frequency range;
When sound in described sound receiver receives described particular frequency range is greater than set point number, control singleUnit's described auditory localization module of control is determined the sound source position of the sound in described particular frequency range, described control moduleControl described camera and turn to after described sound source position, camera is to described sound source position described in described control module controlPut the flash photographing that carries out set point number.
In one embodiment,
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if recognize certain face, carry out following steps:
If certain face is in primary importance described in the previous moment, move at certain face described in the rear momentTwo positions, camera turns to described the 3rd position and described certain face is gathered described in described control module controlBurnt.
In one embodiment,
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if the previous moment recognize certain face, a rear moment only recognize described certainA part for individual face, camera rotates to find described certain face described in described control module control, if again knowBe clipped to described certain face, described certain face carried out the flash photographing of set point number.
In one embodiment,
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if recognize certain face, carry out following steps:
If certain face is in primary importance described in the previous moment, arrive described someone at a rear moment None-identifiedFace, camera carries out the flash photographing of set point number to described primary importance described in described control module control.
In one embodiment,
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if recognize certain face, described in described control module control camera to described certainIndividual face carries out the focusing flash of light of set point number and takes.
In one embodiment,
According to the distance of the described camera of described sound source position distance, camera is to described described in described control module controlSound source position focuses on.
In one embodiment,
The flash lamp of described law-enforcing recorder is made up of multiple LED, and described LED is provided with synthetic according to all LED outwardPlastics or the glass of LED brightness curve design, so that become uniformly after plastics or glass described in the light transmission of described LEDLight. Like this, can make the brightness in some original darker region larger, or some originally can only be by increasingLED quantity improves the region of brightness, by the way after, can reduce some LED, these regions obtainBrightness still can maintain original level.
The present invention also provides a kind of control method of described law-enforcing recorder, comprises the steps:
When sound in sound receiver receives particular frequency range is greater than set point number, control module control soundSource locating module is determined the sound source position of the sound in described particular frequency range, makes a video recording described in described control module controlHead turns to after described sound source position, and camera is set inferior to described sound source position described in described control module controlThe flash photographing of number.
In one embodiment, also comprise the steps:
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if recognize certain face, carry out following steps:
If certain face is in primary importance described in the previous moment, move at certain face described in the rear momentTwo positions, camera turns to described the 3rd position and described certain face is gathered described in described control module controlBurnt.
In one embodiment, also comprise the steps:
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if recognize certain face, carry out following steps:
If certain face is in primary importance described in the previous moment, arrive described someone at a rear moment None-identifiedFace, camera carries out the flash photographing of set point number to described primary importance described in described control module control.
In one embodiment, also comprise the steps:
According to the distance of the described camera of described sound source position distance, camera is to described described in described control module controlSound source position focuses on.
In certain embodiments, law-enforcing recorder can be according to on-the-spot cry, controls camera and turns to and meritTake pictures in very related position, thereby obtain, scene photograph is used for follow-up evidence obtaining very clearly; In addition, canEffectively to follow the trail of comparatively suspicious affiliated person, thereby obtain, photograph is used for follow-up evidence obtaining comparatively clearly.
[detailed description of the invention]
In one embodiment, law-enforcing recorder comprises that law-enforcing recorder main body, camera, control module, sound connectReceiving apparatus and sound source locating module, camera is installed in rotation on camera, and described sound receiver is used for connecingReceive the sound in particular frequency range.
In some cases, relating to the spot of fighting, both parties or in many ways in the process of fighting, pastToward sending continuous yell and shriek, the frequency of these shrieks is conventionally high than the frequency of people's common pronunciation,For example reach 1KHz even higher.
Thereby, (this when sound in described sound receiver receives described particular frequency range is greater than set point numberFighting probably appears in time, therefore needs camera to capture in time this transient action), control module controlDescribed auditory localization module work, auditory localization module is determined in described particular frequency range according to auditory localization algorithmThe sound source position (have at present a lot of auditory localization algorithms, just repeat no more at this) of sound, then described control module controlMake described camera and turn to described sound source position, control described camera described sound source position is carried out to set point numberFlash photographing, the photo record of fighting on-the-spot that may occur to obtain this position. Otherwise some is in cameraThe merit law-enforcing recorder that position outside visual angle occurs often cannot obtain.
In some cases, in the time that seeing the law-enforcing recorder of wearing police front, some party can avoid, to escape fromThe angular field of view of its camera, these people may have larger associated with merit. Therefore, at described camera in certainIn the process of making a video recording in position, described control module carries out recognition of face to the image of described camera collection, if knowBe clipped to certain face, carry out following steps:
If the previous moment recognize described certain face in primary importance, and a rear moment recognize described certainIndividual face moves to the second place, and described in described control module control, camera turns to described the 3rd position, with rightDescribed certain face focuses on. Like this, can effectively effectively follow the trail of the party of larger association, and clapPhotograph its comparatively clear photograph, for evidence obtaining later provides favourable evidence.
In a upper aforementioned situation, some party may, in the edge, visual angle of camera, complete in the action of avoidingAfter this party's the face part angular field of view in camera, another part may be in the visual angle of camera modelOutside enclosing.
Thereby in the process of making a video recording in certain position at described camera, described control module is to described shootingThe image that head gathers carries out recognition of face, if the previous moment recognizes certain face, only recognizes in a rear momentA part for described certain face, camera rotates to find described certain face described in described control module control, ifAgain recognize described certain face, described certain face is carried out the flash photographing of set point number. Certainly, at this momentThe rotation direction of waiting camera can be towards rotating from compare Jin edge, the original present position of this face direction, because thisPossibility is larger. Thus, can obtain comparatively suspicious comparatively clear photograph of this face.
Under other situations, some party sees the camera of law-enforcing recorder, tends to cover the face of oneselfHide, still, these parties' the feature such as other figure and features, behavior remains important clue.
Thereby in the process of making a video recording in certain position at described camera, described control module is to described shootingThe image that head gathers carries out recognition of face, if recognize certain face, carries out following steps:
If certain face is in primary importance described in the previous moment, arrive described someone at a rear moment None-identifiedFace, illustrates that this party probably covers face, and now, camera is to described described in described control module controlThe flash photographing of set point number is carried out in one position, to obtain other information clearly of this party.
In some cases, in the process of making a video recording in certain position at described camera, described control module pairThe image of described camera collection carries out recognition of face, if recognize certain face, described in described control module controlThe focusing flash of light that camera carries out set point number to described certain face is taken, and can obtain scene comparatively clearly like thisFace is used for follow-up evidence obtaining.
In the time that auditory localization module navigates to this sound source position, according to the distance of the described camera of described sound source position distance,Described in described control module control, camera focuses on described sound source position, to obtain the clear pictures of this position.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assertSpecific embodiment of the invention is confined to these explanations. For general technical staff of the technical field of the invention,Without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to thisInvention is by the definite scope of patent protection of submitted to claims.
Claims (7)
1. a law-enforcing recorder, comprises law-enforcing recorder main body, camera and control module, it is characterized in that, also bagDraw together sound receiver and sound source locating module, described sound receiver is for receiving the sound in particular frequency range;
When sound in described sound receiver receives described particular frequency range is greater than set point number, control singleUnit's described auditory localization module of control is determined the sound source position of the sound in described particular frequency range, described control moduleControl described camera and turn to after described sound source position, camera is to described sound source position described in described control module controlPut the flash photographing that carries out set point number; Sound in described particular frequency range is the sound that is more than or equal to 1KHz;
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if recognize certain face, carry out following steps:
If certain face is in primary importance described in the previous moment, arrive described someone at a rear moment None-identifiedFace, camera carries out the flash photographing of set point number to described primary importance described in described control module control;
The flash lamp of described law-enforcing recorder is made up of multiple LED, and described LED is provided with synthetic according to all LED outwardPlastics or the glass of LED brightness curve design, so that become uniformly after plastics or glass described in the light transmission of described LEDLight.
2. law-enforcing recorder as claimed in claim 1, is characterized in that: carry out in certain position at described cameraIn the process of shooting, described control module carries out recognition of face to the image of described camera collection, if recognize certainFace, carries out following steps:
If certain face is in primary importance described in the previous moment, move at certain face described in the rear momentTwo positions, camera turns to described the 3rd position and described certain face is gathered described in described control module controlBurnt.
3. law-enforcing recorder as claimed in claim 1, is characterized in that:
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if the previous moment recognize certain face, a rear moment only recognize described certainA part for individual face, camera rotates to find described certain face described in described control module control, if again knowBe clipped to described certain face, described certain face carried out the flash photographing of set point number.
4. law-enforcing recorder as claimed in claim 1, is characterized in that: carry out in certain position at described cameraIn the process of shooting, described control module carries out recognition of face to the image of described camera collection, if recognize certainFace, the focusing flash of light that described in described control module control, camera carries out set point number to described certain face is taken.
5. law-enforcing recorder as claimed in claim 1, is characterized in that: according to the described shooting of described sound source position distanceThe distance of head, camera focuses on described sound source position described in described control module control.
6. a control method for law-enforcing recorder as claimed in claim 1, is characterized in that, comprises the steps:
When sound in sound receiver receives particular frequency range is greater than set point number, control module control soundSource locating module is determined the sound source position of the sound in described particular frequency range, makes a video recording described in described control module controlHead turns to after described sound source position, and camera is set inferior to described sound source position described in described control module controlThe flash photographing of number; Sound in described particular frequency range is the sound that is more than or equal to 1KHz;
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if recognize certain face, carry out following steps:
If certain face is in primary importance described in the previous moment, arrive described someone at a rear moment None-identifiedFace, camera carries out the flash photographing of set point number to described primary importance described in described control module control.
7. the control method of law-enforcing recorder as claimed in claim 6, is characterized in that, also comprises the steps:
In the process of making a video recording in certain position at described camera, described control module is to described camera collectionImage carry out recognition of face, if recognize certain face, carry out following steps:
If certain face is in primary importance described in the previous moment, move at certain face described in the rear momentTwo positions, camera turns to described the 3rd position and described certain face is gathered described in described control module controlBurnt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204643.8A CN104284081B (en) | 2014-05-14 | 2014-05-14 | A kind of law-enforcing recorder and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204643.8A CN104284081B (en) | 2014-05-14 | 2014-05-14 | A kind of law-enforcing recorder and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104284081A CN104284081A (en) | 2015-01-14 |
| CN104284081B true CN104284081B (en) | 2016-05-18 |
Family
ID=52258529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410204643.8A Active CN104284081B (en) | 2014-05-14 | 2014-05-14 | A kind of law-enforcing recorder and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104284081B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025240A (en) * | 2015-07-15 | 2015-11-04 | 深圳警翼数码科技有限公司 | Law enforcement recorder and control method thereof |
| CN107783508A (en) * | 2016-08-26 | 2018-03-09 | 佛山市顺德区美的电热电器制造有限公司 | Household electrical appliance and its control method and device |
| CN108495042A (en) * | 2018-04-22 | 2018-09-04 | 武子锋 | A kind of law-enforcing recorder and its control method |
| CN109005222B (en) * | 2018-07-26 | 2021-07-06 | 中智城信息科技（苏州）有限公司 | City management system and method |
| CN109670994A (en) * | 2018-12-31 | 2019-04-23 | 邵帅仁 | One kind being used for judicial evidence checking method |
| CN112565598B (en) * | 2020-11-26 | 2022-05-17 | Oppo广东移动通信有限公司 | Focusing method and apparatus, terminal, computer-readable storage medium, and electronic device |
| CN116668804B (en) * | 2023-06-14 | 2023-12-22 | 山东恒辉软件有限公司 | Video image analysis processing method, device and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186051A (en) * | 2011-03-10 | 2011-09-14 | 弭强 | Sound localization-based video monitoring system |
| CN102695043A (en) * | 2012-06-06 | 2012-09-26 | 郑州大学 | Dynamic video tracking system based on sound source positioning |
| CN102752573A (en) * | 2011-04-21 | 2012-10-24 | 中兴通讯股份有限公司 | Video communication terminal and video communication method |
| CN103076593A (en) * | 2012-12-28 | 2013-05-01 | 中国科学院声学研究所 | Sound source localization method and device |
-
2014
- 2014-05-14 CN CN201410204643.8A patent/CN104284081B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186051A (en) * | 2011-03-10 | 2011-09-14 | 弭强 | Sound localization-based video monitoring system |
| CN102752573A (en) * | 2011-04-21 | 2012-10-24 | 中兴通讯股份有限公司 | Video communication terminal and video communication method |
| CN102695043A (en) * | 2012-06-06 | 2012-09-26 | 郑州大学 | Dynamic video tracking system based on sound source positioning |
| CN103076593A (en) * | 2012-12-28 | 2013-05-01 | 中国科学院声学研究所 | Sound source localization method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104284081A (en) | 2015-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104284081B (en) | A kind of law-enforcing recorder and control method thereof | |
| WO2017049922A1 (en) | Image information collection apparatus, image collection method, and application thereof | |
| WO2018076191A1 (en) | Smart patrol device, cloud control device, patrol method, control method, robot, controller, and non-transient computer readable storage medium | |
| CN208433010U (en) | Police AR display system based on recognition of face | |
| US20160189501A1 (en) | Security monitoring system and corresponding alarm triggering method | |
| US20130258089A1 (en) | Eye Gaze Based Image Capture | |
| CN111062234A (en) | Monitoring method, intelligent terminal and computer readable storage medium | |
| JP2010529738A5 (en) | ||
| KR101729966B1 (en) | CCTV camera system having image recognition and voice guidance and an operating method thereof | |
| CN105578044A (en) | Panoramic view adaptive teacher image analysis method | |
| CN108234897B (en) | Method and device for controlling night vision system, storage medium and processor | |
| CN106657801A (en) | Video information acquiring method and apparatus | |
| CN103795933A (en) | Image processing method and electronic device | |
| JP2015023512A (en) | Imaging apparatus, imaging method and imaging program for imaging apparatus | |
| US20190265787A1 (en) | Real world interaction utilizing gaze | |
| KR101340897B1 (en) | The anticrime system in a school zone | |
| CN111355924B (en) | Method for detecting face scrambling code of special person based on video intelligent analysis | |
| CN108171219A (en) | Face method is tracked by a kind of robot | |
| US20170353642A1 (en) | Driver state monitoring system | |
| CN201796450U (en) | Intelligent monitoring system with border-crossing identification function | |
| KR20110006453A (en) | Method for detecting disturbance of monitoring camera | |
| CN205726140U (en) | The Cloud Terrace, the aircraft containing it and clouds terrace system | |
| KR101340896B1 (en) | The way to improve power of cctv monitor in school zones for anticrime | |
| WO2018223456A1 (en) | Image recognition-based intelligent alarm lamp | |
| CN107820061A (en) | Intelligent monitor system based on FPGA |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Binhai Road Nanshan District Guangdong street of Shenzhen city in Guangdong province 518000 software industry base in Shenzhen, 5 E block 1102 Patentee after: Shenzhen police wing smart Polytron Technologies Inc Address before: 518000 Nanshan District science and Technology Park, Guangdong, Shenzhen, Tsinghua University, Shenzhen, B401 Patentee before: Shenzhen Jingyi Digital Technology Co., Ltd. |