CN109348133A - A kind of safety monitoring image processing apparatus and method - Google Patents
A kind of safety monitoring image processing apparatus and method Download PDFInfo
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- CN109348133A CN109348133A CN201811389836.XA CN201811389836A CN109348133A CN 109348133 A CN109348133 A CN 109348133A CN 201811389836 A CN201811389836 A CN 201811389836A CN 109348133 A CN109348133 A CN 109348133A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 70
- 238000012545 processing Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 238000003709 image segmentation Methods 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000593 degrading effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
- G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Data Mining & Analysis (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Evolutionary Biology (AREA)
- General Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Bioinformatics & Computational Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Alarm Systems (AREA)
- Closed-Circuit Television Systems (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Abstract
The present invention provides a kind of safety monitoring image processing apparatus and method, the digital picture of digital image acquisition units acquisition monitoring area, the digital image information that image change unit acquires digital image acquisition units is changed processing, image compression unit receives the digital picture of digital image acquisition units acquisition, coding compression is carried out to image information by image compression technology, the exposure of the exposure detection module detection image of image processing unit, when the exposure of image is more than threshold value, transfer the alarm mark data in image data base, and the location information of alarm mark data and corresponding monitoring camera is passed into graphic display terminal, when the exposure of image is not above threshold value, sharpening processing is carried out to image.
Description
Technical field
The invention belongs to technical field of image processing more particularly to a kind of safety monitoring image processing apparatus and methods.
Background technique
Safety monitoring is a kind of common security facility, uses several camera acquisition figures being distributed in monitoring area
Picture, and will be on the display screen of image transmitting to monitoring room.
However, the image that will lead to camera shooting excessively exposes when camera is by the intense light sources direct projection such as flashlight, car light
Light, can not normal photographing monitoring area picture, the display screen of the monitoring room of monitoring room shows whole white, so that it is blind to form monitoring
Area.The criminal even having utilizes the characteristic of monitoring device, strong illumination monitoring camera is deliberately used, then in the prison
It controls blind area and implements malfeasance.So after camera forms blind area of monitoring by intense light source direct projection, if finding the feelings not in time
Condition can generate security risk.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of safety monitoring image processing apparatus, which is characterized in that packet
It includes:
Digital image acquisition units, for acquiring the digital picture of monitoring area, the digital image acquisition units include
CCD camera and wireless signal transmitting device.
Image change unit will for being changed processing to the digital image information that digital image acquisition units acquire
Spatial domain processing is converted to transform-domain processing.
Image compression unit, the input terminal of image compression unit and the output end electricity of digital image acquisition units
Property connection, for receive digital image acquisition units acquisition digital picture, by image compression technology to image information
Coding compression, also, the output end of image compression unit and the input terminal of image processing unit and electric connection are carried out, is schemed
Image processing unit is transferred to as coding compression unit will encode compressed data.
Image processing unit, including exposure detection module, image-restoration module, image segmentation module and image classification
Module, in which:
Exposure detection module transfers image when the exposure of image is more than threshold value for the exposure of detection image
Alarm mark data in database, and the location information of alarm mark data and corresponding monitoring camera is passed into image
Display terminal.
Image-restoration module is used for image denoising, improves the clarity of image, strengthens image high fdrequency component, according to degrading
Process establishes the model that degrades and restores or rebuild original image.
Image segmentation module, for by image edge and provincial characteristics extracting section come out.
Image classification module, for carrying out image segmentation and feature extraction, to make decisions classification.
Image-display units receive the data that image processing unit issues and show image over the display.
Preferably, digital image acquisition units include monitoring camera and location information encoder, and monitoring camera is used for
The digital picture of monitoring area is shot, location information encoder will be for that will correspond to the location of monitoring camera information insertion number
In word image.
Preferably, show that the position of alarm mark and corresponding monitoring camera is believed on the display of image-display units
Breath, or display monitoring image.
A kind of safety monitoring image processing method of the invention, which comprises the following steps:
Step 1. digital image acquisition units acquire the digital picture of monitoring area, and the digital image acquisition units include
CCD camera and wireless signal transmitting device.
The digital image information that step 2. image change unit acquires digital image acquisition units is changed processing, will
Spatial domain processing is converted to transform-domain processing.
Step 3. image compression unit receives the digital picture of digital image acquisition units acquisition, is encoded by image
Compress technique carries out coding compression to image information, then will encode compressed image information and is transferred to image processing unit.
The exposure of the exposure detection module detection image of step 4. image processing unit, when the exposure of image is more than
When threshold value, the alarm mark data in image data base is transferred, and by the position of alarm mark data and corresponding monitoring camera
Confidence breath passes to graphic display terminal, enters step 6.
When the exposure of image is not above threshold value, 5 are entered step.
The image-restoration module of step 5. image processing unit carries out image denoising, improves the clarity of image, strengthens figure
Image height frequency component establishes the model that degrades according to the process that degrades and restores or rebuild original image;Image segmentation module will be in image
Edge and provincial characteristics extracting section come out;Image classification module is to image segmentation and feature extraction is carried out, to be sentenced
Certainly classify.
Step 6. image-display units receive the data that image processing unit issues and show image over the display.
Preferably, in step 1, the digital picture of the monitoring camera shooting monitoring area of digital image acquisition units, number
The location information encoder of word image acquisition units will correspond in the location of monitoring camera information insertion digital picture.
Preferably, in step 6, alarm mark and corresponding monitoring camera are shown on the display of image-display units
Location information, or display monitoring image.
Beneficial effects of the present invention are as follows: after camera forms blind area of monitoring by intense light source direct projection, exposure detects mould
The exposure of block detection image detect in time exposure be more than threshold value, and the display to monitoring room sending alarm signal and
The location information of corresponding monitoring camera reminds Security Personnel to check reason, reduces security risk.
Detailed description of the invention
A kind of work flow diagram of safety monitoring image processing apparatus of Fig. 1.
Specific embodiment
With reference to the accompanying drawing, it elaborates to embodiment.
Firstly, the present invention provides a kind of safety monitoring image processing apparatus, comprising:
Digital image acquisition units, including monitoring camera and location information encoder and wireless signal transmitting device, prison
Control camera is used to shoot the digital picture of monitoring area, and location information encoder will be for that will correspond to position locating for monitoring camera
In confidence breath insertion digital picture, monitoring camera is CCD camera.
Image change unit will for being changed processing to the digital image information that digital image acquisition units acquire
Spatial domain processing is converted to transform-domain processing.
Image compression unit, the input terminal of image compression unit and the output end electricity of digital image acquisition units
Property connection, for receive digital image acquisition units acquisition digital picture, by image compression technology to image information
Coding compression, also, the output end of image compression unit and the input terminal of image processing unit and electric connection are carried out, is schemed
Image processing unit is transferred to as coding compression unit will encode compressed data.
Image processing unit, including exposure detection module, image-restoration module, image segmentation module, 2 d texture are special
Levy describing module and image classification module, in which:
Exposure detection module transfers image when the exposure of image is more than threshold value for the exposure of detection image
Alarm mark data in database, and the location information of alarm mark data and corresponding monitoring camera is passed into image
Display terminal.
Image-restoration module is used for image denoising, improves the clarity of image, strengthens image high fdrequency component, according to degrading
Process establishes " degrade model " and restores or rebuild original image.
Image segmentation module, for extracting the significant characteristics such as edge, region in image in image.
2 d texture feature describing module, for being described for special texture image using 2 d texture feature.
Image classification module, for after certain pretreatments (enhancing is restored, compression), carrying out image segmentation to image
And feature extraction, to make decisions classification.
Image-display units, for receive image processing unit sending data and over the display show alarm identify with
The location information of corresponding monitoring camera, or display monitoring image.
A kind of workflow of safety monitoring image processing apparatus of the invention is as follows, comprising the following steps:
S1. the digital picture of the monitoring camera shooting monitoring area of digital image acquisition units, digital image acquisition list
The location information encoder of member will correspond in the location of monitoring camera information insertion digital picture.
S2. the digital image information that image change unit acquires digital image acquisition units is changed processing, will be empty
Between domain processing be converted to transform-domain processing.
S3. image compression unit receives the digital picture of digital image acquisition units acquisition, is encoded and is pressed by image
Contracting technology carries out coding compression to image information, then will encode compressed image information and is transferred to image processing unit.
S4. the exposure of the exposure detection module detection image of image processing unit, when the exposure of image is more than threshold
When value, the alarm mark data in image data base is transferred, and by the position of alarm mark data and corresponding monitoring camera
Information passes to graphic display terminal, enters step S6.
When the exposure of image is not above threshold value, S5 is entered step.
S5. the image-restoration module of image processing unit carries out image denoising, improves the clarity of image, and it is high to strengthen image
Frequency component establishes " degrade model " according to the process that degrades and restores or rebuild original image;Image segmentation module will scheme in image
The significant characteristics such as edge, region as in extract;2 d texture feature describing module is for special texture
Image is described using 2 d texture feature;Image classification module to image after certain pretreatments (enhancing, restore, compression),
Image segmentation and feature extraction are carried out, to make decisions classification.
S6. image-display units receive the data of image processing unit sending and show image over the display.
Above-described embodiment is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, the variation that can readily occur in or replaces
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Subject to enclosing.
Claims (6)
1. a kind of safety monitoring image processing apparatus characterized by comprising
Digital image acquisition units, for acquiring the digital picture of monitoring area, the digital image acquisition units include that CCD takes the photograph
As head and wireless signal transmitting device;
Image change unit, for being changed processing to the digital image information that digital image acquisition units acquire, by space
Domain processing is converted to transform-domain processing;
Image compression unit, the input terminal of image compression unit and the output end of digital image acquisition units electrically connect
It connects, for receiving the digital picture of digital image acquisition units acquisition, image information is carried out by image compression technology
Coding compression, also, the input terminal and electricity of the output end of image compression unit and digital image acquisition image processing unit
Property connection, image compression unit will encode compressed data and is transferred to image processing unit;
Image processing unit, including exposure detection module, image-restoration module, image segmentation module and image classification module,
Wherein:
Exposure detection module transfers image data when the exposure of image is more than threshold value for the exposure of detection image
Alarm mark data in library, and the location information of alarm mark data and corresponding monitoring camera is passed into image and is shown
Terminal;
Image-restoration module is used for image denoising, improves the clarity of image, strengthens image high fdrequency component, according to the process that degrades
It establishes the model that degrades and restores or rebuild original image;
Image segmentation module, for by image edge and provincial characteristics extracting section come out;
Image classification module, for carrying out image segmentation and feature extraction, to make decisions classification;
Image-display units receive the data that image processing unit issues and show image over the display.
2. a kind of safety monitoring image processing apparatus as described in claim 1, which is characterized in that digital image acquisition units packet
Monitoring camera and location information encoder are included, monitoring camera is used to shoot the digital picture of monitoring area, and location information is compiled
Code device will be for that will correspond in the location of monitoring camera information insertion digital picture.
3. a kind of safety monitoring image processing apparatus as claimed in claim 2, which is characterized in that the display of image-display units
The location information of alarm mark and corresponding monitoring camera, or display monitoring image are shown on device.
4. a kind of safety monitoring image processing method, which comprises the following steps:
Step 1. digital image acquisition units acquire the digital picture of monitoring area, and the digital image acquisition units include CCD
Camera;
The digital image information that step 2. image change unit acquires digital image acquisition units is changed processing, by space
Domain processing is converted to transform-domain processing;
Step 3. image compression unit receives the digital picture of digital image acquisition units acquisition, passes through image compression
Technology carries out coding compression to image information, then will encode compressed image information and is transferred to image processing unit;
The exposure of the exposure detection module detection image of step 4. image processing unit, when the exposure of image is more than threshold value
When, the alarm mark data in image data base is transferred, and the position of alarm mark data and corresponding monitoring camera is believed
Breath passes to graphic display terminal, is directly entered step 6;When the exposure of image is not above threshold value, 5 are entered step.
The image-restoration module of step 5. image processing unit carries out image denoising, improves the clarity of image, and it is high to strengthen image
Frequency component establishes the model that degrades according to the process that degrades and restores or rebuild original image;The image of image compression unit point
Cut module by image edge and provincial characteristics extracting section come out;The image classification module of image compression unit into
Row image segmentation and feature extraction, to make decisions classification;
Step 6. image-display units receive the data that image processing unit issues and show image over the display.
5. a kind of safety monitoring image processing method as claimed in claim 4, which is characterized in that in step 1, digital picture is adopted
Collect the digital picture of the monitoring camera shooting monitoring area of unit, the location information encoder of digital image acquisition units will be right
It answers in the location of monitoring camera information insertion digital picture.
6. a kind of safety monitoring image processing method as claimed in claim 5, which is characterized in that in step 6, image display is single
The location information of alarm mark and corresponding monitoring camera, or display monitoring image are shown on the display of member.
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