CN102164231A - Monitoring device and method capable of dynamically adjusting resolution ratio based on sensitive information - Google Patents
Monitoring device and method capable of dynamically adjusting resolution ratio based on sensitive information Download PDFInfo
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- CN102164231A CN102164231A CN 201110025424 CN201110025424A CN102164231A CN 102164231 A CN102164231 A CN 102164231A CN 201110025424 CN201110025424 CN 201110025424 CN 201110025424 A CN201110025424 A CN 201110025424A CN 102164231 A CN102164231 A CN 102164231A
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Abstract
The invention relates to a monitoring device capable of dynamically adjusting resolution ratio based on sensitive information, and the device comprises a shooting unit, an image acquisition unit, a resolution ratio adjusting unit and a sensitive information storage unit, wherein the shooting unit is used for acquiring the image information and the resolution ratio thereof can be dynamically adjusted in a given scope; the image acquisition unit is used for capturing the image acquired by the shooting unit at real time and detecting if the captured image contains the sensitive information; and the resolution ratio adjusting unit is used for receiving the instruction from the image acquisition unit and dynamically adjusting the resolution ratio of the shooting unit according to the instruction. By using the device provided by the invention, the higher resolution ratio is applied to the sensitive information and the lower resolution ratio is applied to the non-sensitive information, thereby being capable of greatly reducing the required storage space, lowering the system cost and being convenient to inquire afterwards.
Description
Technical field
The present invention relates to a kind of supervising device and method, but particularly relate to a kind of supervising device and method of the resolution dynamic adjustments based on sensitive information.
Background technology
Field of video monitoring, owing to need monitor in real time, therefore the memory space that needs is huge, has the high shortcoming of carrying cost.
In order to reduce cost, select to adopt the monitoring camera of low resolution in the prior art usually, reduce data volume, but might cause retrieving for examination monitor video like this time, details is clear inadequately afterwards; Also can select not do storage in the prior art usually, totally unfavorable to data tracing in the future like this.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, dependable performance, can save memory space, cost supervising device low, that be convenient to afterwards inquire about and method.
For solving the problems of the technologies described above, the present invention takes following technical scheme: but a kind of supervising device of the resolution dynamic adjustments based on sensitive information comprises image unit, image acquisition units, resolution adjustment unit and sensitive information memory cell; Described image unit is in order to obtaining image information, its resolution can be in given range dynamic adjustments; The image that described image acquisition units is obtained in order to the described image unit of real-time extracting, and detect in the image that is grabbed whether contain sensitive information; When in described image acquisition units detects the image of its current extracting, having sensitive information, send first instruction of the resolution of described image unit being transferred to higher level to described resolution adjustment unit, and when described image acquisition units no longer or not detects described sensitive information, to described resolution adjustment unit send with the resolution of described image unit be transferred to more low-level second the instruction; First and/or second instruction from described image acquisition units can be accepted in described resolution adjustment unit, and according to described first and/or second instruction resolution of described image unit is carried out dynamic adjustments; Described sensitive information memory cell is used to store described sensitive information.
Further, described supervising device also comprises the time record cell, when described image acquisition units is sent described first when instruction, the time that described image acquisition units also notifies described time recording unit records sensitive information to occur is to support the inquiry afterwards to sensitive information.
Further, described supervising device also comprises data processing unit, and its sensitive information that is used for described image acquisition units is grasped is handled.
Further, described sensitive information memory cell adopts its document handling system that carries when storage, and described sensitive information is carried out index stores.
Further, described supervising device also comprises the one-level memory cell, and described one-level memory cell is used to store the complete video image information that described image unit collects.
But the present invention also provides a kind of method for supervising of the resolution dynamic adjustments based on sensitive information, and it provides a kind of supervising device, and described supervising device comprises image unit, image acquisition units, resolution adjustment unit and sensitive information memory cell; Described image acquisition units grasps in real time the image that described image unit obtains, and detects in the image of its extracting whether have sensitive information, if detect sensitive information, then notifies the resolution adjustment unit at once; Receive the described notice of described image acquisition units when described resolution adjustment unit after, the resolution of described image unit is transferred to the resolution of higher level; Described image acquisition units extracts detected sensitive information, and the described sensitive information that extracts is saved in the described sensitive information memory cell.
Further, described supervising device also comprises the time record cell, when described image acquisition units detects sensitive information, notifies described time record cell at once.
Further, described supervising device also comprises data processing unit, and its sensitive information that is used for described image acquisition units is extracted is handled, and the described sensitive information after will handling sends in the described sensitive information memory cell and stores.
Further, described supervising device also comprises the one-level memory cell, and described one-level memory cell is used to store the complete video image information that described image unit collects.
Further, described sensitive information memory cell is also preserved the temporal information that sensitive information that described time record cell write down occurs.
When but the supervising device based on the resolution dynamic adjustments of sensitive information among the present invention can sensitive information occur in detecting current video image, adopt the resolution monitoring of higher level, and only preserve the information that these are taken under high-resolution with sensitive information, also can preserve the time that sensitive information takes place simultaneously, when sensitive information no longer occurs, then adopt lower resolution to monitor, so needed memory space that can greatly reduce, reduced the cost of system simultaneously, also be convenient to inquire about afterwards.
Description of drawings
Fig. 1 is the hardware structure diagram among the embodiment one.
Fig. 2 is the workflow diagram of embodiment one.
Fig. 3 is the hardware structure diagram among the embodiment two.
Embodiment
Below technical scheme of the present invention is elaborated.
Embodiment one
But Fig. 1 shows the hardware structure diagram based on the supervising device of the resolution dynamic adjustments of sensitive information among the present invention.As shown in Figure 1, described supervising device comprises image unit, image acquisition units, resolution adjustment unit, sensitive information memory cell, time record cell and data processing unit.Described image acquisition units is connected with described image unit, and described resolution adjustment unit is electrically connected with described image unit and image acquisition units respectively.
Wherein:
Described image unit is in order to obtain image information and to originate for described image acquisition units provides image, preferably, described image unit is the first-class device of monitoring camera, preferably, the resolution of described image unit (the particularly first-class device of monitoring camera) can be in given range dynamic adjustments.Preferably, the resolution of described image unit (the particularly first-class device of monitoring camera) has high and low two ranks, and can on described high and low two ranks, regulate, wherein, when described high level resolution is used in the sensitive information appearance, and low-level resolution is used in when sensitive information not occurring.
The image that described image acquisition units is obtained in order to the described image unit of real-time extracting, and detect in the image that is grabbed whether contain sensitive information, described sensitive information comprises and the relevant information of object such as people's face, human body, car plate, car body.
The instruction from described image acquisition units is mainly accepted in described resolution adjustment unit, and according to the dynamic adjustments of described instruction realization to the resolution of described image unit.When in described image acquisition units detects the image of current extracting, having described sensitive information, send the instruction of the resolution of described image unit (the particularly first-class device of monitoring camera) being transferred to higher level to described resolution adjustment unit, simultaneously, also notify described time record cell to store the time that described sensitive information occurs, to support inquiry afterwards to sensitive information; And when described image acquisition units no longer or not detects described sensitive information, send to described resolution adjustment unit the resolution of described image unit (the particularly first-class device of monitoring camera) is transferred to than low level, preferably, described image unit (the particularly first-class device of monitoring camera) adopts more low-level resolution under initial condition; When described resolution adjustment unit receive that described image acquisition units sends with resolution adjustment after higher level or more low-level instruction, regulate the rank of the resolution of described image unit to appointment.
Described sensitive information memory cell is used to store described sensitive information.Preferably, described sensitive information memory cell adopts its document handling system that carries when storage, and described sensitive information is carried out index stores.
The sensitive information that described data processing unit is used for that described image acquisition units is grasped is handled (standard photographs that for example described sensitive information all is treated to unified size), delivers to described sensitive information memory cell then and stores.
Below in conjunction with Fig. 2 the course of work of the supervising device described in the present embodiment is elaborated.
Image unit is initialized to more low-level resolution, and obtains image with described more low-level resolution.Image acquisition units grasps in real time the image that described image unit obtains, and detects in the image of its extracting whether have sensitive information, if detect sensitive information, then notifies resolution adjustment unit and time record cell at once.
Receive the described notice of described image acquisition units when described resolution adjustment unit after, control described image unit and its resolution is transferred to the resolution of higher level; Receive the described notice of described image acquisition units when described time record cell after, then the time that this sensitive information is occurred is noted.
Described image acquisition units extracts detected described sensitive information, the temporal information that this sensitive information that the described sensitive information that extracts is write down with described time record cell occurs is delivered to data processing unit, and the time that the sensitive information after described data processing unit is handled and will be handled described sensitive information occurs with this sensitive information sends in the sensitive information memory cell stores.Preferably, described processing is meant to be handled the image of described sensitive information correspondence, for example operation of consolidation form; For example can be the operations such as standard photographs that described sensitive information all are treated to unified size.
Described sensitive information behind the process consolidation form is sent in the sensitive information memory cell to be stored.Preferably, described sensitive information memory cell adopts its document handling system that carries that sensitive information is carried out index stores, and stores simultaneously the time that this sensitive information occurs, to support the inquiry afterwards to sensitive information.
When the object with sensitive information leaves monitoring range, be that described image acquisition units is not when detecting sensitive information, it is initial than low level that described image acquisition units notifies described resolution adjustment unit that the resolution of described image unit is adjusted back to, and also notifies described time record cell to stop writing time simultaneously.
Embodiment two
On the basis of embodiment one, as shown in Figure 3, but the hardware structure diagram based on the supervising device of the resolution dynamic adjustments of sensitive information among the described embodiment two also comprises an one-level memory cell, described one-level memory cell is used to store the complete video image information that described image unit collects, this video image information has comprised sensitive information and non-sensitive information, both comprise the image of gathering under the low-level resolution condition, also comprised the image information that collects under the high level resolution.
Of particular note, except that described one-level memory cell, the technical scheme of embodiment one all is applicable to described second embodiment among the described embodiment two, and the technical scheme combination in any that can be constituted with the one-level memory cell among described second embodiment.
When but the supervising device based on the resolution dynamic adjustments of sensitive information among the present invention can sensitive information occur in detecting current video image, adopt the resolution monitoring of higher level, and only preserve the information that these are taken under high-resolution with sensitive information, also can preserve the time that sensitive information takes place simultaneously, when sensitive information no longer occurs, then adopt lower resolution to monitor, so needed memory space that can greatly reduce, reduced the cost of system simultaneously, also be convenient to inquire about afterwards.
Claims (10)
1. but the supervising device based on the resolution dynamic adjustments of sensitive information comprises image unit, image acquisition units, resolution adjustment unit and sensitive information memory cell;
Described image unit is in order to obtaining image information, its resolution can be in given range dynamic adjustments;
The image that described image acquisition units is obtained in order to the described image unit of real-time extracting, and detect in the image that is grabbed whether contain sensitive information;
When in described image acquisition units detects the image of its current extracting, having sensitive information, send first instruction of the resolution of described image unit being transferred to higher level to described resolution adjustment unit, and when described image acquisition units no longer or not detects described sensitive information, to described resolution adjustment unit send with the resolution of described image unit be transferred to more low-level second the instruction;
First and/or second instruction from described image acquisition units can be accepted in described resolution adjustment unit, and according to described first and/or second instruction resolution of described image unit is carried out dynamic adjustments;
Described sensitive information memory cell is used to store described sensitive information.
2. supervising device as claimed in claim 1, it is characterized in that: described supervising device also comprises the time record cell, when described image acquisition units is sent described first when instruction, the time that described image acquisition units also notifies described time recording unit records sensitive information to occur is to support the inquiry afterwards to sensitive information.
3. supervising device as claimed in claim 1 or 2 is characterized in that: described supervising device also comprises data processing unit, and its sensitive information that is used for described image acquisition units is grasped is handled.
4. as each described supervising device of claim 1-3, it is characterized in that: described sensitive information memory cell adopts its document handling system that carries when storage, and described sensitive information is carried out index stores.
5. as each described supervising device of claim 1-4, it is characterized in that: described supervising device also comprises the one-level memory cell, and described one-level memory cell is used to store the complete video image information that described image unit collects.
But 6. method for supervising based on the resolution dynamic adjustments of sensitive information, it provides a kind of supervising device, and described supervising device comprises image unit, image acquisition units, resolution adjustment unit and sensitive information memory cell;
Described image acquisition units grasps in real time the image that described image unit obtains, and detects in the image of its extracting whether have sensitive information, if detect sensitive information, then notifies the resolution adjustment unit at once;
Receive the described notice of described image acquisition units when described resolution adjustment unit after, the resolution of described image unit is transferred to the resolution of higher level;
Described image acquisition units extracts detected sensitive information, and the described sensitive information that extracts is saved in the described sensitive information memory cell.
7. method for supervising as claimed in claim 6 is characterized in that: described supervising device also comprises the time record cell, when described image acquisition units detects sensitive information, notifies described time record cell at once.
8. as claim 6 or 7 described method for supervising, it is characterized in that: described supervising device also comprises data processing unit, its sensitive information that is used for described image acquisition units is extracted is handled, and the described sensitive information after will handling sends in the described sensitive information memory cell and stores.
9. as each described method for supervising of claim 6-8, it is characterized in that: described supervising device also comprises the one-level memory cell, and described one-level memory cell is used to store the complete video image information that described image unit collects.
10. as each described method for supervising of claim 6-9, it is characterized in that: described sensitive information memory cell is also preserved the temporal information that sensitive information that described time record cell write down occurs.
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| WO2014100946A1 (en) * | 2012-12-24 | 2014-07-03 | 东莞宇龙通信科技有限公司 | Dynamic adjustment device for recording resolution and dynamic adjustment method and terminal |
| CN104125419A (en) * | 2014-06-24 | 2014-10-29 | 北京理工大学 | Self-adaptive resolution ratio implementing method based on CMOS image sensor |
| CN104427310A (en) * | 2013-09-04 | 2015-03-18 | 杭州海康威视数字技术股份有限公司 | Image storage method and image storage device |
| CN104836992A (en) * | 2015-05-08 | 2015-08-12 | 无锡天脉聚源传媒科技有限公司 | Surveillance video recording method and device |
| CN106023346A (en) * | 2016-07-06 | 2016-10-12 | 福州瑞芯微电子股份有限公司 | Dynamic frame rate driving record system and vehicle speed judgment device |
| CN106044432A (en) * | 2016-06-24 | 2016-10-26 | 广州日滨科技发展有限公司 | Dynamic elevator video storage method and system |
| CN106713766A (en) * | 2017-02-20 | 2017-05-24 | 滁州昭阳电信通讯设备科技有限公司 | Camera shooting method and monitoring system |
| CN106791710A (en) * | 2017-02-10 | 2017-05-31 | 北京地平线信息技术有限公司 | Object detection method, device and electronic equipment |
| CN108322662A (en) * | 2018-04-28 | 2018-07-24 | 上海与德科技有限公司 | A kind of camera parameter adjusting method, device, terminal and storage medium |
| CN110248090A (en) * | 2019-05-31 | 2019-09-17 | 联想(北京)有限公司 | Control method and control device |
| WO2020207328A1 (en) * | 2019-04-11 | 2020-10-15 | 华为技术有限公司 | Image recognition method and electronic device |
| CN113852745A (en) * | 2021-09-26 | 2021-12-28 | 深圳市南粤城卫保安服务有限公司 | Video data recording method and system of security helmet |
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| CN104125419A (en) * | 2014-06-24 | 2014-10-29 | 北京理工大学 | Self-adaptive resolution ratio implementing method based on CMOS image sensor |
| CN104836992A (en) * | 2015-05-08 | 2015-08-12 | 无锡天脉聚源传媒科技有限公司 | Surveillance video recording method and device |
| CN106044432A (en) * | 2016-06-24 | 2016-10-26 | 广州日滨科技发展有限公司 | Dynamic elevator video storage method and system |
| CN106023346A (en) * | 2016-07-06 | 2016-10-12 | 福州瑞芯微电子股份有限公司 | Dynamic frame rate driving record system and vehicle speed judgment device |
| CN106791710A (en) * | 2017-02-10 | 2017-05-31 | 北京地平线信息技术有限公司 | Object detection method, device and electronic equipment |
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| CN106713766A (en) * | 2017-02-20 | 2017-05-24 | 滁州昭阳电信通讯设备科技有限公司 | Camera shooting method and monitoring system |
| CN108322662A (en) * | 2018-04-28 | 2018-07-24 | 上海与德科技有限公司 | A kind of camera parameter adjusting method, device, terminal and storage medium |
| WO2020207328A1 (en) * | 2019-04-11 | 2020-10-15 | 华为技术有限公司 | Image recognition method and electronic device |
| CN110248090A (en) * | 2019-05-31 | 2019-09-17 | 联想(北京)有限公司 | Control method and control device |
| CN113852745A (en) * | 2021-09-26 | 2021-12-28 | 深圳市南粤城卫保安服务有限公司 | Video data recording method and system of security helmet |
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Application publication date: 20110824 |