CN110475046A - A kind of method of vending machine installation phase orientation detection zone - Google Patents
A kind of method of vending machine installation phase orientation detection zone Download PDFInfo
- Publication number
- CN110475046A CN110475046A CN201910700023.6A CN201910700023A CN110475046A CN 110475046 A CN110475046 A CN 110475046A CN 201910700023 A CN201910700023 A CN 201910700023A CN 110475046 A CN110475046 A CN 110475046A
- Authority
- CN
- China
- Prior art keywords
- holder
- vending machine
- machine installation
- camera
- detection zone
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
- H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/147—Scene change detection
-
- 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
Abstract
The invention discloses a kind of methods of vending machine installation phase orientation detection zone, mark used for positioning is sticked in the vending machine installation stage, holder region detection is carried out in the picking position that holder is located at bottommost and moves to each goods layer, it obtains the coordinate value of index point on each position holder and stores into configuration file, when carrying out shipment detection, according to the number of plies where cargo, the coordinate value that four index points in holder region of corresponding goods layer are obtained from configuration file, carries out further shipment detection.By the above-mentioned means, the present invention can be improved the speed of shipment fetching detection, and external environment is preferably minimized acquisition platform in the influence of camera view.
Description
Technical field
The present invention relates to vending machine fields, more particularly to a kind of method of vending machine installation phase orientation detection zone.
Background technique
Self-service sale device is the typical case of mode under new retail trade middle line, is related to selling goods, pay, machine information of selling goods
The modules such as management.Shipment is the key link of vending machine, including judges that holder rises to specified goods layer, goods for empty, holder
Road movement, cargo path shipment, judgement shipment, cargo path stop, holder decline, open baffle, take goods, detection picking, close gear
The committed steps such as plate.It is by sales counter loading holder two sides that existing automatic selling machine testing cargo, which falls and is removed with cargo,
Infrared emission grating is completed, and can exist can not detect smaller cargo, transparent cargo, elongated goods, and have more goods problem.
Using camera detection vending machine shipment fetching can be very good to solve wisp, the echelettes such as transparent substance without
The cargo of method detection, and have more goods for detection and technology and environmental basis are provided.The positioning of camera detection zone is camera
The committed step of shipment fetching is detected, each goods layer carries out needing to know holder in entire camera preview screen when shipment detection
In region, bottommost carry out picking detection when also need the region known holder in entire camera preview screen and
The image of the preceding holder at bottom of holder movement.In order to meet detection zone positioning requirement, it is necessary to holder quadrangle or
Witness marker is sticked in certain positions of holder, real-time detection holder region during shipment, picking, this mode be it is feasible,
But there are the following problems:
1, the witness marker on holder is permanently present, easy to damage, influences user experience
If the witness marker pasted on holder is permanently present, influence the beauty of entire vending machine, more seriously with
The access times of vending machine increase, and shipment number increases, and easily cause to be stained to mark, and there is also the possibility for being considered destroying
Property, these all can cause to seriously affect to subsequent holder zone location.
2, real-time positioning cradle head region can have a possibility that can't detect index point, cause to sell process exception
Positioning cradle head region is all detected to each frame preview screen of camera, due to camera picture quality,
Picture noise, ambient light photograph etc. influence, and are not that each frame can all detect index point, if continuing multi frame detection less than just
Will cause out ETCD estimated time of commencing discharging is more than setting delay time, causes to sell process exception.
3, shipment fetching increased periods are caused in real-time positioning cradle head region, increase and abnormal probability occur
The regional scope of holder can be just able to detect that under ideal conditions in each frame or a few frame pictures, but subsequent
There are also the operation such as the image procossing of detection zone, correction, in addition the shipment in process detects, it can still extend shipment detection
Time, cause poor user experience, but also will increase and abnormal probability occur.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of method of vending machine installation phase orientation detection zone, In
Vending machine installation phase orientation camera detection zone is distinguished detection and localization region in the goods layer of different height, be can be improved out
The speed of goods picking detection, and external environment is preferably minimized acquisition platform in the influence of camera view.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of vending machine installation stage is provided
The method in detection and localization region, comprising the following steps:
Step 1: infrared camera is installed in installation camera, vending machine goods layer region top center position；
Step 2: sticking sign, in four angle sticking signs of holder；
Step 3: obtaining the coordinate for the central point that holder indicates on holder in the shipment height of zero-bit and each layer of cargo path
Value opens preview in vending machine installation stage infrared camera, pre- in real time when holder is located at zero-bit and each layer of shipment height
The center point coordinate that four marks of stickup are detected in the video flowing look at is recorded if getting rectangular area in four marks
Heart point coordinate；The coordinate value in length and breadth and central point of rectangle frame, central point that four central points are constituted are apart from four angles of holder
Distance calculates the coordinate value in entire holder region, and stores into configuration file；
Step 4: removal flag bit removes the flag bit pasted on holder after the completion of the holder region of each position obtains
It removes.
Further, when infrared camera installation site needs to meet holder and rises to different goods layer positions, entire holder
It can be in the requirement within the vision of camera.
Further, the mark in second step need to have significant difference with holder and infrared camera article within the vision
Mark.
Further, the mark is the hollow mark that centre is black square.
The beneficial effects of the present invention are: the present invention can be improved the speed of shipment fetching detection, and by external environment pair
Platform is obtained to be preferably minimized in the influence of camera view.
Detailed description of the invention
Fig. 1 is a kind of flow chart of one preferred embodiment of method of vending machine installation phase orientation detection zone of the present invention.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of method of vending machine installation phase orientation detection zone, comprising the following steps:
Step 1: infrared camera, infrared camera are installed in installation camera, vending machine goods layer region top center position
When installation site needs to meet holder and rises to different goods layer positions, entire holder can camera within sweep of the eye
Requirement；
Step 2: sticking sign, in four angle sticking signs of holder, mark need to be with holder and infrared camera visual field model
Article in enclosing has the mark of significant difference, such as mark is the hollow mark that centre is black square；
Step 3: obtaining the coordinate for the central point that holder indicates on holder in the shipment height of zero-bit and each layer of cargo path
Value opens preview in vending machine installation stage infrared camera, pre- in real time when holder is located at zero-bit and each layer of shipment height
The center point coordinate that four marks of stickup are detected in the video flowing look at is recorded if getting rectangular area in four marks
Heart point coordinate, and store into configuration file；
Step 4: picking detects Background, need to detect holder when holder is moved to bottommost when carrying out picking detection
On whether have article, illustrate that cargo has been taken out easily by the user if without article, this is needed holder in user's shopping process
Two states in bottommost compare, i.e., holder goes holder after the completion of image and shipment before goods layer in bottommost to move
Image when moving bottommost compare see whether, in order to guarantee accuracy, need before holder removes goods layer at most bottom
It takes pictures when portion to camera preview screen, and is cut according to the holder that the installation stage obtains in the area coordinate of bottommost
Take, and by interception part as this time sell goods process picking detection Background；
Step 5: removal flag bit removes the flag bit pasted on holder after the completion of the holder region of each position obtains
It removes；
Step 6: the calculating in entire holder region is calculated whole according to the coordinate for indicating central point on the holder of acquisition
A holder region, due to stickup flag bit central point will not in four vertex positions of holder, according to four obtained
The actual length and width of length and width and holder for the rectangle frame that the coordinate of central point is formed carry out ratio and entire holder region are calculated；I.e.
Distance of the coordinate value in length and breadth and central point of the rectangle frame, central point that are constituted according to four central points apart from four angles of holder calculates
The coordinate value in entire holder region, and store the result into configuration file.
Top layer's cargo path abnormality processing not can guarantee entire holder and all exist since top layer's cargo path is closer apart from camera
The field range of camera, therefore the goods yard that connects of top layer's cargo path is set and moves down into suitable position, it can satisfy entire holder and exist
Within sweep of the eye, this requires top layer's cargo paths cannot put breakable object for camera.
Some vending machine front doors are glass panel, the light inside vending machine can be reflected, by the sign back above holder
Onto glass door, this can interfere Mark Detection, therefore, need to open in this case and be detected.
Traditional detection shipment fetching takes the mode of the infrared emission grating on holder, carries out shipment using camera and takes
The mode of goods can effectively solve the limitation of detection of the traditional approach for cargo size, quantity of goods, camera detection area
The positioning in domain is committed step, in this case can be to detection zone using the camera detection zone locating scheme of the invention
Positioning provides important reference, while the invention can provide precondition for the object identification in new retail trade.Energy of the present invention
The speed of shipment fetching detection is enough improved, and external environment is preferably minimized acquisition platform in the influence of camera view.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of method of vending machine installation phase orientation detection zone, which comprises the following steps:
Step 1: infrared camera is installed in installation camera, vending machine goods layer region top center position；
Step 2: sticking sign, in four angle sticking signs of holder；
Step 3: the coordinate value for the central point that holder indicates on holder in the shipment height of zero-bit and each layer of cargo path is obtained,
Preview is opened in vending machine installation stage infrared camera, when holder is located at zero-bit and each layer of shipment height, in live preview
Video flowing in detect the center point coordinates of four of stickup marks, the centers of four marks are recorded if getting rectangular area
Point coordinate；The coordinate value in length and breadth and central point of rectangle frame, central point that four central points are constituted apart from holder four angles away from
From the coordinate value for calculating entire holder region, and store into configuration file；
Step 4: removal flag bit removes the flag bit pasted on holder after the completion of the holder region of each position obtains.
2. a kind of method of vending machine installation phase orientation detection zone according to claim 1, it is characterised in that: infrared
When camera installation site needs to meet holder and rises to different goods layer positions, entire holder can be in the visual field of camera
Requirement in range.
3. a kind of method of vending machine installation phase orientation detection zone according to claim 1, it is characterised in that: second
Mark in step need to have the mark of significant difference with holder and infrared camera article within the vision.
4. a kind of method of vending machine installation phase orientation detection zone according to claim 3, it is characterised in that: described
Mark is the hollow mark that centre is black square.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700023.6A CN110475046B (en) | 2019-07-31 | 2019-07-31 | Method for positioning detection area in installation stage of vending machine |
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| CN201910700023.6A CN110475046B (en) | 2019-07-31 | 2019-07-31 | Method for positioning detection area in installation stage of vending machine |
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| CN110475046A true CN110475046A (en) | 2019-11-19 |
| CN110475046B CN110475046B (en) | 2022-05-17 |
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Cited By (1)
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| CN111832420A (en) * | 2020-06-17 | 2020-10-27 | 深圳达闼科技控股有限公司 | Article processing method, article processing apparatus, medium, and vending machine |
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| CN110475046B (en) | 2022-05-17 |
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