CN109873979A - Camera-based static image difference comparison method and device - Google Patents
Camera-based static image difference comparison method and device Download PDFInfo
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- CN109873979A CN109873979A CN201910010934.6A CN201910010934A CN109873979A CN 109873979 A CN109873979 A CN 109873979A CN 201910010934 A CN201910010934 A CN 201910010934A CN 109873979 A CN109873979 A CN 109873979A
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000003213 activating effect Effects 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000004458 analytical method Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000004590 computer program Methods 0.000 description 5
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Abstract
The invention relates to a static image difference comparison method and a device based on a camera, which are used for realizing the following steps: detecting an object in a specific area by using a detection device; when detecting that any dynamic object enters a specific area, sending an instruction for activating the camera device and shooting; selecting one of the shot images as a main image, taking the other one or more images as target images, comparing the main image with the comparison images one by one, and identifying difference positions; a difference image report is generated. The invention has the beneficial effects that: the invention is mainly applied to a monitoring system of a specific space, is used for comparing static images in real time, intelligently calculates the difference of the static images from a certain time point to another time point and synthesizes a difference image report. Compared with the prior art, the technical scheme of the invention has high efficiency and saves time.
Description
Technical field
The present invention relates to a kind of still image difference comparison method and device based on camera, belongs to computer field.
Background technique
Existing static monitoring image, which generally passes through manually to differentiate, on the market compares, this working efficiency is extremely low, human cost
Greatly.
Summary of the invention
The present invention provides a kind of still image difference comparison method and device based on camera is applied to particular space
Monitoring system, for real-time still image compare, the still image at some time point of intelligence computation to an other time point
Difference, and synthesize differential image report.
Technical solution of the present invention includes a kind of still image difference comparison method based on camera, which is characterized in that
Method includes the following steps: S1, carries out object detection to specific region using detection device；S2, when detecting any dynamic
When object enters specific region, the instruction for activating photographic device and being shot is sent；S3 chooses one in captured image
As master image, remaining one or more image is compared as target image, by master image with contrast images one by one, and
Identify differential position；S4 generates differential image report.
According to the still image difference comparison method, wherein step S2 is specifically included: using detection circuit to specified
Region carry out real time scan, when detecting that mobile object enters specific region, to central control host send starting camera shooting
The instruction that device is shot, wherein region captured by photographic device is consistent with the monitoring area of detection circuit.
According to the still image difference comparison method, wherein step S2 further include: using photographic device to specified area
Domain is shot according to preset rules, and is sent to server to the picture of shooting, and wherein preset rules include but is not limited to clap
Take the photograph interval and picture quality.
According to the still image difference comparison method, wherein step S2 further include: when detecting that mobile object leaves
When specific region, think that central server sends the instruction of suspend mode filming apparatus.
According to the still image difference comparison method, wherein step S3 is specifically included: captured in acquisition time section
Picture, and the picture of shooting is retrieved, chooses the image of a wherein specified time point as master map, remaining one
Or multiple images are as target image；It is automatic to calculate the difference for analyzing all target images and master image and mark difference position
It sets.
Technical solution of the present invention further includes a kind of still image difference comparison device based on camera, is used for right of execution
Benefit requires any the method for 1-6, which includes detection circuit, photographic device, central control host, image storage service
Device, image indexing system and image difference analysis system, it is characterised in that: the detection circuit is used to carry out object to specific region
Physical examination is surveyed, and when detecting that any dynamic object enters specific region, sends the instruction for activating photographic device and being shot；Institute
Photographic device is stated for carrying out starting or relationship according to instruction, when starting, shoots specified region according to preset rules, and
Server is sent to by central control host to the picture of shooting；The central control host is for executing the detection circuit
The instruction reported, and, the image of photographic device acquisition is acquired and is forwarded to image storage server；Described image inspection
Cable system examines the picture of shooting for captured picture out of described image storage server acquisition time section
Rope chooses the image of a wherein specified time point as master map, remaining one or more image is as target image；It is described
Image difference analysis system analyzes the difference of all target images and master image for calculating automatically and marks differential position, and
Generate variance reports.
The invention has the benefit that being used for real-time static map present invention is mainly applied to the monitoring system of particular space
As comparing, the difference of the still image at some time point of intelligence computation to an other time point, and synthesize differential image report.Phase
It is high-efficient for the technical solution of prior art, and save the time.
Detailed description of the invention
Fig. 1 show the flow chart of embodiment according to the present invention；
Fig. 2 show the device block diagram of embodiment according to the present invention.
Specific embodiment
Technical solution of the present invention is suitable for the still image contrast difference of specified region specified time, and the present invention provides one
Still image difference Compare System of the kind based on camera.When there is object (people, automobile, animal etc.) to enter imaging area, image
System can open, and then according to the rule of default, captured in real-time image, storage is to image storage server and records bat
Take the photograph the time.When things leaves imaging area, camera system is in sleep state, when having object to enter imaging area again again
It wakes up.Image analysis personnel automatically analyze according to the picture that image storage server stores.Firstly, he can examine from image
The image of specified time point is selected in cable system as master image, the image for then choosing one or more specified time points is made
To compare target image, image analysis system can calculate the difference of analysis target image and master image automatically respectively after the completion of selection
And differential position is marked, it ultimately generates and different image is reported.
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as the upper and lower, left and right used in open are only the mutual alignment pass relative to each component part of the disclosure in attached drawing
For system.The "an" of used singular, " described " and "the" are also intended to including most forms in the disclosure, are removed
Non- context clearly expresses other meaning.In addition, unless otherwise defined, all technical and scientific terms used herein
It is identical as the normally understood meaning of those skilled in the art.Term used in the description is intended merely to describe herein
Specific embodiment is not intended to be limiting of the invention.Term as used herein "and/or" includes one or more relevant
The arbitrary combination of listed item.
It will be appreciated that though various elements, but this may be described using term first, second, third, etc. in the disclosure
A little elements should not necessarily be limited by these terms.These terms are only used to for same type of element being distinguished from each other out.For example, not departing from
In the case where disclosure range, first element can also be referred to as second element, and similarly, second element can also be referred to as
One element.The use of provided in this article any and all example or exemplary language (" such as ", " such as ") is intended merely to more
Illustrate the embodiment of the present invention well, and unless the context requires otherwise, otherwise the scope of the present invention will not be applied and be limited.
Fig. 1 show the flow chart of embodiment according to the present invention.S1 carries out object to specific region using detection device
Detection；S2 sends the instruction for activating photographic device and being shot when detecting that any dynamic object enters specific region；
S3, one chosen in captured image are used as master image, remaining one or more image is as target image, by master image
It is compared one by one with contrast images, and identifies differential position；S4 generates differential image report, can pass through interactive interface
It is shown.
Fig. 2 show the device block diagram of embodiment according to the present invention.As shown, when object enters camera head monitor area
When domain, central control host (1) has detected that object entrance, central control host (1) wake-up are taken the photograph by object detection circuit (4)
Picture head (2) carries out image taking according to default rule, and after imaging successfully, image is transmitted to cloud image storage server
(3) it is stored.Analysis personnel select a finger in cloud image storage server (3) by image retrieval system (5) system
The image at certain fixed time point is as master map, and in addition the image of one or more specified time point is as target image.Selection finishes
Afterwards, the image analysis system in central control host (6) is automatic respectively calculates the difference for analyzing target image and master image, and marks
Remember differential position out, ultimately generates and different image is reported.
It should be appreciated that the embodiment of the present invention can be by computer hardware, the combination of hardware and software or by depositing
The computer instruction in non-transitory computer-readable memory is stored up to be effected or carried out.Standard volume can be used in the method
Journey technology-includes that the non-transitory computer-readable storage media configured with computer program is realized in computer program,
In configured in this way storage medium computer is operated in a manner of specific and is predefined --- according in a particular embodiment
The method and attached drawing of description.Each program can with the programming language of level process or object-oriented come realize with department of computer science
System communication.However, if desired, the program can be realized with compilation or machine language.Under any circumstance, which can be volume
The language translated or explained.In addition, the program can be run on the specific integrated circuit of programming for this purpose.
In addition, the operation of process described herein can be performed in any suitable order, unless herein in addition instruction or
Otherwise significantly with contradicted by context.Process described herein (or modification and/or combination thereof) can be held being configured with
It executes, and is can be used as jointly on the one or more processors under the control of one or more computer systems of row instruction
The code (for example, executable instruction, one or more computer program or one or more application) of execution, by hardware or its group
It closes to realize.The computer program includes the multiple instruction that can be performed by one or more processors.
Further, the method can be realized in being operably coupled to suitable any kind of computing platform, wrap
Include but be not limited to PC, mini-computer, main frame, work station, network or distributed computing environment, individual or integrated
Computer platform or communicated with charged particle tool or other imaging devices etc..Each aspect of the present invention can be to deposit
The machine readable code on non-transitory storage medium or equipment is stored up to realize no matter be moveable or be integrated to calculating
Platform, such as hard disk, optical reading and/or write-in storage medium, RAM, ROM, so that it can be read by programmable calculator, when
Storage medium or equipment can be used for configuration and operation computer to execute process described herein when being read by computer.This
Outside, machine readable code, or part thereof can be transmitted by wired or wireless network.When such media include combining microprocessor
Or other data processors realize steps described above instruction or program when, invention as described herein including these and other not
The non-transitory computer-readable storage media of same type.When methods and techniques according to the present invention programming, the present invention
It further include computer itself.
Computer program can be applied to input data to execute function as described herein, to convert input data with life
At storing to the output data of nonvolatile memory.Output information can also be applied to one or more output equipments as shown
Device.In the preferred embodiment of the invention, the data of conversion indicate physics and tangible object, including the object generated on display
Reason and the particular visual of physical objects are described.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all within the spirits and principles of the present invention, any modification for being made,
Equivalent replacement, improvement etc., should be included within the scope of the present invention.Its technical solution within the scope of the present invention
And/or embodiment can have a variety of different modifications and variations.
Claims (6)
1. a kind of still image difference comparison method based on camera, which is characterized in that method includes the following steps:
S1 carries out object detection to specific region using detection device；
S2 sends the instruction for activating photographic device and being shot when detecting that any dynamic object enters specific region；
S3, one chosen in captured image are used as master image, remaining one or more image will be led as target image
Image is compared one by one with contrast images, and identifies differential position；
S4 generates differential image report.
2. still image difference comparison method according to claim 1, which is characterized in that the step S2 is specifically included:
Real time scan, when detecting that mobile object enters specific region, Xiang Zhong are carried out to specified region using detection circuit
Centre control host sends the instruction that is shot of starting photographic device, wherein region and detection circuit captured by photographic device
Monitoring area is consistent.
3. still image difference comparison method according to claim 2, which is characterized in that the step S2 further include:
Specified region is shot according to preset rules using photographic device, and is sent to server to the picture of shooting,
Middle preset rules include but is not limited to shooting interval and picture quality.
4. still image difference comparison method according to claim 1, which is characterized in that the step S2 further include:
When detecting that mobile object leaves specific region, think that central server sends the instruction of suspend mode filming apparatus.
5. still image difference comparison method according to claim 1, which is characterized in that the step S3 is specifically included:
Captured picture in acquisition time section, and retrieving to the picture of shooting chooses wherein specified time point
Image is as master map, remaining one or more image is as target image；
It is automatic to calculate the difference for analyzing all target images and master image and mark differential position.
It, should 6. a kind of still image difference comparison device based on camera requires any the method for 1-6 for perform claim
System includes detection circuit, photographic device, central control host, image storage server, image indexing system and image difference
Analysis system, it is characterised in that:
The detection circuit is used to carry out object detection to specific region, when detecting that any dynamic object enters specific region
When, send the instruction for activating photographic device and being shot；
The photographic device is used to carry out starting or relationship according to instruction, and when starting claps specified region according to preset rules
It takes the photograph, and server is sent to by central control host to the picture of shooting；
The central control host is used to execute the instruction that the detection circuit reports, and, to the image of photographic device acquisition
It is acquired and is forwarded to image storage server；
Described image searching system is used for captured picture out of described image storage server acquisition time section, and to shooting
Picture retrieved, choose the image of a wherein specified time point as master map, remaining one or more image conduct
Target image；
Described image variance analysis system is gone on business for calculating the difference and label of all target images of analysis and master image automatically
Dystopy is set, and generates variance reports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910010934.6A CN109873979A (en) | 2019-01-07 | 2019-01-07 | Camera-based static image difference comparison method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910010934.6A CN109873979A (en) | 2019-01-07 | 2019-01-07 | Camera-based static image difference comparison method and device |
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Cited By (6)
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| CN111047458A (en) * | 2019-12-17 | 2020-04-21 | 江苏恒宝智能系统技术有限公司 | Farmland monitoring method |
| CN111507411A (en) * | 2020-04-20 | 2020-08-07 | 北京英迈琪科技有限公司 | Image comparison method and system |
| CN112381776A (en) * | 2020-11-09 | 2021-02-19 | 深圳前海微众银行股份有限公司 | Method and device for determining impurities of contents in transparent container |
| CN112732146A (en) * | 2019-10-28 | 2021-04-30 | 广州极飞科技有限公司 | Image display method and device and storage medium |
| CN113091730A (en) * | 2021-03-25 | 2021-07-09 | 杭州海康威视系统技术有限公司 | Track determination method and device |
| CN114584697A (en) * | 2020-11-16 | 2022-06-03 | 中国航发商用航空发动机有限责任公司 | Residue detection apparatus and method |
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