CN107209131A - Check device - Google Patents
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- CN107209131A CN107209131A CN201680006368.6A CN201680006368A CN107209131A CN 107209131 A CN107209131 A CN 107209131A CN 201680006368 A CN201680006368 A CN 201680006368A CN 107209131 A CN107209131 A CN 107209131A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
- G01N23/10—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in a luggage X-ray scanners
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The check device of the present invention, including：Pixel classifications portion (22), according to the information for the pixel for constituting transmission image, is divided into content pixel (EG) corresponding with content and background pixel (EB) corresponding with the background of content by the pixel of transmission image；Extraction unit (23), in transmission image, extracts the region being made up of content pixel and is used as content object area (AG)；Cutting part (24), when the distance that there is the part clipped by background pixel in content region does not meet narrow (S) of predetermined length, it is two content object areas by a content region segmentation with narrow (S) for boundary；And number count section (28), in transmission image, the number to content region is counted.According to the present invention, the quantity of the content in packaging also can be suitably checked even if when irregular content is contained in packaging.
Description
Technical field
The present invention relates to check device.
Background technology
In the carrying line of article as housing the contents such as food in the packaging such as packaging material or case and dispatch from the factory, it is
Bad phenomenon (such as breakage of the content in packaging, the number for being mixed into packaging foreign matter and content are prevented
Amount deficiency etc.) article dispatch from the factory, it is necessary to check the state of article.
It is used as the check device of the state of such inspection article, it is known that by containing multiple contents in packaging
Article X-ray irradiation obtain X-ray transmission image, and according to the volume check of the X-ray transmission image implementation content thing
X ray checking device.For example, in X ray checking device disclosed in patent document 1, in X-ray transmission image
The girth or area of tolerant part, the volume check of implementation content thing.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2005-31069 publications
The content of the invention
The invention technical problem to be solved
However, in above-mentioned conventional X ray checking device, the content of benchmark can not will be used as within a package by containing
Girth or in the case that area is set as the irregular content (shape, size different content) of a reference value, nothing
Method is appropriately carried out volume check.
Therefore, even if in the case of containing irregular content within a package it is an object of the invention to provide one kind
Also can suitably check packaging in content quantity check device.
Solve the technical scheme of technical problem
A kind of check device involved by the side of the present invention, including：Illumination part, to article irradiation light；And
Image production part, the transmission image of article is generated according to the light through article, and check device, which is used to check in package body, to be housed
There is the article of multiple contents, check device includes：Pixel classifications portion, will be saturating according to the information for the pixel for constituting transmission image
The pixel for penetrating image is divided into content pixel corresponding with content and background pixel corresponding with the background of content；Extract
Portion, in transmission image, extracts the region being made up of content pixel and is used as content object area；Cutting part, when in content
When there is the distance of part clipped by background pixel in region and not meeting the narrow of predetermined length, using narrow as
Boundary, is two content object areas by a content region segmentation；And number count section, in transmission image, to content
The number in region is counted.
In the check device of this composition, in transmission image, the possibility that extraction content is contacted each other is high
Narrow, is two content object areas by a content region segmentation using the part as boundary.Thus, even in content
In the case of being integrated as a content object area each other, quantity that also can be suitably to content is counted (calculating
Quantity).In addition, in the check device of this composition, the part (narrow for the characteristic being conceived in acquired transmission image
Point), the part that is contacted each other of segmentation content, even thus irregular content, also can be suitably to its quantity
Counted.As a result, also can suitably check packaging in the case of even if irregular content is contained within a package
The quantity of interior content.
In one embodiment, can also number count section do not meet predetermined value by excluding area and/or girth
Content object area and counted.
In the check device of this composition, the end for the content being defined as in the region of content object area can be excluded
Deng, count as the high content object area of the possibility of the part in a content.Thereby, it is possible to improve the inspection of quantity
Look into precision.
In one embodiment, check device can also also include：Contour generating portion, in transmission image, generation
The contour line of content；And cut-off rule generating unit, it is straight with second to first straight line from the pixel generation for constituting contour line
The bisecting line that the angle of intersection of line is divided equally, first straight line is obtained from constituting multiple pixels of the contour line extended to side
, second straight line is obtained from constituting multiple pixels of the contour line extended to opposite side, and cutting part will be overlapping with bisecting line
The length of content object area do not meet the part of predetermined value as narrow.
According to the check device of this composition, the narrow in content object area can be efficiently extracted.
In one embodiment, in check device, can also transmission image be according to predetermined concentration threshold progress
The binary image that the pixel of conversion and the pixel by the first color and second color different from the first color is constituted, pixel point
The pixel classifications of first color are content pixel by class portion, and are background pixel by the pixel classifications of the second color.
In the check device of this composition, categorised content object area and background area are come using the image of binaryzation, thus
Content object area can efficiently be extracted.
In one embodiment, check device can also also include the first image processing part, described in transmission image
The pixel suitable with narrow is converted to the second color by the first image processing part from the first color.
In the check device of this composition, by exporting the transmission plot changed by the first image processing part to display part etc.
Picture, so as to the result for the volume check for visually confirming content.In addition, can easily carry out utilizing mark processing
Counting.
In one embodiment, check device can also also include the second image processing part, described in transmission image
Area and/or girth are not met the content object area of predetermined value from the first color and are converted to the second face by the second image processing part
Color.
In the check device of this composition, by exporting the transmission plot changed by the second image processing part to display part etc.
Picture, so as to visually confirm the result of more accurate volume check.In addition, the content area without counting need not be directed to
Domain is counted, it is thus possible to reduce the load to control unit.
Invention effect
According to the present invention, even if irregular content is contained within a package in the case of also can suitably check bag
The quantity of content in dress.
Brief description of the drawings
Fig. 1 is the stereogram for the outward appearance for representing the X ray checking device involved by an embodiment.
Fig. 2 is the stereogram of the inside for the shielding box for representing the X ray checking device shown in Fig. 1.
Fig. 3 is the control block diagram for the composition for representing the control computer that Fig. 1 X ray checking device includes.
Fig. 4 (A) is an example of the X-ray transmission image obtained by image production part, and Fig. 4 (B) is to pass through
One example of the X-ray transmission image that image production part is obtained binary image obtained from conversion.
Fig. 5 (A) is the figure for the contour line for representing a content object area, and Fig. 5 (B) is enlarged representation content object area
In narrow figure.
Fig. 6 is the figure of an example of the dividing method of description object area.
Fig. 7 is the figure of an example of the dividing method of description object area.
Fig. 8 (A) and Fig. 8 (B) are to represent an example by the processing image handled by image processing part
Figure.
Fig. 9 (A) and Fig. 9 (B) are represented in the X ray checking device involved by variation, content object area
In narrow extracting method an example figure.
Embodiment
Hereinafter, it is explained with reference to an embodiment.In the description of the drawings, same accompanying drawing is marked to same key element
Mark, the repetitive description thereof will be omitted.The dimension scale of accompanying drawing may not be consistent with the example of explanation.
(1) it is monolithically fabricated
X ray checking device (check device) 1 shown in Fig. 1 is in the production line of the commodity such as food, to carry out in packaging P
In contain multiple content G commodity (article) W quality check device.X ray checking device 1 is for continuously transporting
The commodity W X-ray irradiations (light) come.X ray checking device 1 carries out content according to the transmission amount of the X-ray transmitted through commodity
The counting of G number.It is packaging in the bag for the frozen-pack bag that content G is e.g. transported on the carrying lines such as food to do
Fried food.
As shown in Figure 1 and Figure 2, X ray checking device 1 includes shielding box 3, conveyer belt 5, x-ray irradiation device 7, X-ray
Line sensor 9, monitor 11 and control computer (image production part, pixel classifications portion, extraction unit, cutting part, contour line
Generating unit, cut-off rule generating unit, image processing part, number count section) 20.
In the inside of shielding box 3, contain conveyer belt 5, x-ray irradiation device (illumination part) 7, X-ray line sensor 9 with
And control computer 20 etc..In the front upper of shielding box 3, monitor 11 is provided with.As shown in figure 1, in the both sides of shielding box 3
Face, is provided with the opening portion 3a that commodity W is moved in shielding box 3 to or taken out of out of shielding box 3 commodity W.Opening portion 3a quilts
Shielding curtain (not shown) for suppressing the outside that X-ray leaks into shielding box 3 is clogged.Shielding curtain is for example by the rubber comprising lead
Formed.
The conveyance commodity W in shielding box 3 of conveyer belt 5.Conveyer belt 5 passes through the driving that is driven by conveyer belt motor (not shown)
Roller rotates the band of endless, transports commodity W placed on tape.
The X-ray irradiation of x-ray irradiation device 7.X-ray irradiation device 7 is arranged at the top of conveyer belt 5, towards in conveyer belt 5
The X-ray line sensor 9 that lower section is configured, the X-ray irradiation in the range of exposures X of fan-shaped.
X-ray line sensor 9 detects X-ray.X-ray line sensor 9 is configured at the lower section of conveyer belt 5, detection transmitted through
Commodity W and/or conveyer belt 5 X-ray.As shown in figure 3, X-ray line sensor 9 by along the conveyance direction with conveyer belt 5 just
The direction of friendship is constituted according to the element sensor 9a of a straight line configuration.X-ray line sensor 9 will be examined by element sensor 9a
The X-ray transmission of the transmission amount for the expression X-ray measured is as signal output to image production part 21 (reference picture 3).
Monitor 11 is liquid crystal display.Monitor 11 shows what is utilized to the initial setting of operator's urgency, when checking
The picture of the input of inspection parameter etc..Monitor 11 have touch panel function, by reason operator input initial setting,
The input of the inspection parameter utilized during inspection.In addition, the display of commodity W of monitor 11 X-ray transmission image (transmission image) P1,
Binary image P2, processing image P3 and processing image P4, or, display of commodity W inspection result.
(2) composition of control computer
Control computer 20 is to control the part of the various actions in X ray checking device 1, by CPU (Central
Processing Unit：CPU), ROM (Read Only Memory：Read-only storage), RAM (Random
Access Memory：Random access memory) etc. constitute.As shown in figure 3, in control computer 20, being used as execution X-ray
The conceptual part of various control process in check device 1, with image production part 21, pixel classifications portion 22, extraction unit
23rd, cutting part 24, contour generating portion 25, cut-off rule generating unit 26, image processing part (the first image processing part, the second image
Processing unit) 27 and number count section 28.Such conceptual part can be configured to for example will be stored in ROM
Program is loaded into the software performed on RAM by CPU.In addition, control computer 20 can also be configured to utilize electronic circuit etc.
Hardware.
(2-1) image production part
Image production part 21 is according to the X-ray transmitted through commodity W, generation commodity W X-ray transmission image P1 portion
Point.Specifically, image production part 21 generates Fig. 4's according to the detection signal continuously sent from X-ray line sensor 9
(A) X-ray transmission image P1 shown in, relevant with commodity W.The deep or light expression of each pixel in X-ray transmission image P1
The X-ray transmission amount of corresponding commodity W parts.
In the present embodiment, image production part 21 is according to Fig. 4 (B), predetermined by X-ray transmission image P1
Concentration threshold (X-ray transmission amount threshold value), be converted into the pixel and the picture of black (the second color) by white (the first color)
The binary image P2 that element is constituted.Here, pixel more than predetermined concentration is converted into white, by less than predetermined concentration
Threshold transition is black.Predetermined concentration threshold is suitably adjusted with content G or the characteristic for packing P with meeting, so that aftermentioned
Pixel classifications portion 22 is easy to classify to content pixel EG.
(2-2) pixel classifications portion
Pixel classifications portion 22 according to constitute X-ray transmission image P1 pixel shading value (information), by X-ray transmission figure
As P1 pixel, content pixel EG corresponding with content G and background pixel corresponding with content G background are categorized as
EB.In the present embodiment, binary image P2 is categorized as content pixel by pixel classifications portion 22 by image production part 21
EG and background pixel EB.The pixel classifications of white are content pixel EG in binary image P2 by pixel classifications portion 22, will
The pixel classifications of black are background pixel EB.
(2-3) extraction unit
Extraction unit 23 is extracted by region that content pixel EG is constituted as content in X-ray transmission image P1
Region AG.In addition, content object area AG is the region being made up of one or more content pixel EG, it is by background pixel EB
The closed area of encirclement.
(2-4) cutting part, contour generating portion, cut-off rule generating unit
Cutting part 24 has by the background pixel EB parts clipped in the AG of content region apart from D ((B) of reference picture 5)
In the case of the narrow S for not meeting threshold length, using narrow S as boundary, a content object area EA is divided into
Two content object area EA.Content G characteristic etc., suitable given threshold length can be passed through.Hereinafter, narrow is described in detail
Divide S dividing method.
First, contour generating portion 25 generates shown in Fig. 5 (A), content G profile in binary image P2
Line L.Contour generating portion 25 both can generate contour line L according to the background pixel EB for surrounding content pixel EG, can also root
Contour line L is generated according to the content pixel EG surrounded by background pixel EB.
Next, cut-off rule generating unit 26 is as shown in Fig. 6 and Fig. 7, from the pixel E0 generations for constituting contour line L
One straight line L1 and second straight line L2 intersection I P angle of intersection α (α 1=α 1) bisecting line L3, the first straight line L1 is by structure
Obtained into the contour line L extended to side multiple pixel E1 (E11~E18), the second straight line L2 is from constituting to another
Side extension contour line L multiple pixel E2 (E21~E28) and obtain.First straight line L1 is, for example, to turn into multiple pictures
The straight line that point is generated by least square method etc. on the basis of the position of plain E1 (E11~E18).Second straight line L2 similarly examples
The straight line that point is generated by least square method etc. on the basis of the position of multiple pixel E2 (E21~E28) can be turned into this way.
Next, as shown in Fig. 5 (B), cutting part 24 is by the content object area AG overlapping with bisecting line L3 length D
The part for not meeting predetermined value (such as 10mm) is determined as narrow S.Alternatively, it is also possible to will be overlapping with bisecting line L3
The part that the corresponding pixel counts of content object area AG do not meet predetermined value is determined as narrow S.Next, cutting part 24 is with this
Narrow S is boundary, and a content object area AG is divided into two content object area AG.
The all pixels for the contour line L that cutting part 24 is generated for composition by contour generating portion 25, give birth to cut-off rule
Bisecting line L3 is generated into portion 26, according to bisecting line L3, judges that content object area AG has non-division.In addition, cutting part 24
At least one of area that can also be only in the region extracted by extraction unit 23 as content object area AG and girth are in
In the case of more than predetermined value, judge that content object area AG has non-division.
In addition, residing for the image processing part 27 that cutting part 24 will need not can be explained below shown in (A) such as Fig. 8
The visual segmentation of reason, and there is provided to the number count section being explained below for information as splitting by boundary of narrow S
28.
(2-5) image processing part
, will be with being determined as it being narrow by cutting part 24 in binary image P2 shown in (B) of the image processing part 27 in Fig. 4
The part S corresponding pixel in region from white transition be black.Thus, (A) of narrow S such as Fig. 8 shown in Fig. 4 (B)
It is shown to be converted into black from white.If for all the elements object area AG in binary image P2, by cutting part 24,
Contour generating portion 25, cut-off rule generating unit 26 and image processing part 27 implement a series of processing, then (A) as Fig. 8
Shown processing image P3.
In addition, in Fig. 8 (A), the part that expression is surrounded with solid line is as the position handled by image processing part 27
Example.In addition, the length D that the content object area AG overlapping with bisecting line L3 is set to the part of dotted line meets predetermined
Value, and do not regard as the example of narrow S part by cutting part 24.So, processing image P3 be can be by one by one
Content G is visually recognized to be content object area AG image.
In processing image P3 shown in (A) of the image processing part 27 in Fig. 8, area is not met to the content area of predetermined value
Domain AG from white transition be black.Thus, the processing image P4 shown in generation Fig. 8 (B).In addition, the place shown in Fig. 8 (B)
It is that in Fig. 8 (A) processing image P3, two " the content object area AG " that area does not meet predetermined value is changed to manage image P4
For the image of black.Image processing part 27 makes processing image P4 be shown in monitor 11.
(2-5) number count section
Number count section 28 is in processing image P4, and the number to content region PA is counted.For example, individual counting number
Portion 28 the continuous pixel region distribution of content region AG (white pixel) is identically numbered in processing image P4
Mark processing, content region AG is counted.Now, number count section 28 excludes the content that area does not meet predetermined value
Object area PA is counted.
(3) feature and effect/effect
In the X ray checking device 1 of above-mentioned embodiment, in X-ray transmission image P1, content G is extracted each other
The high narrow S of the possibility that contacts with each other, using the part as boundary, two contents are divided into by a content object area AG
Region AG.Thus, also can be suitably in the case that content G is integrated as a content object area AG each other
Quantity to content G is counted.
In addition, in the X ray checking device 1 of above-mentioned embodiment, being conceived in acquired X-ray transmission image P1
Characteristic part (narrow S), the parts that are in contact with each other of segmentation content G, even thus irregular content
G, suitably can also be counted to its quantity.Even as a result, irregular content G, also can suitably be checked
Pack the quantity of the content G in P.
In addition, in the X ray checking device 1 of above-mentioned embodiment, the area for being defined as content object area AG can be excluded
In domain, content G end etc., count as the high content object area AG of the possibility of the part in a content G
Number.Thereby, it is possible to improve the inspection precision of quantity.
In addition, in the X ray checking device 1 of above-mentioned embodiment, X-ray transmission image P1 is converted into according to predetermined
Concentration threshold conversion obtained from binary image P2, it is thus possible to efficiently extract content object area AG.
In addition, in the X ray checking device 1 of above-mentioned embodiment, image processing part 27 will in binary image P2,
Image P3 is handled obtained from the pixel answered with narrow S-phase is black from white transition or processing image P4 is output to
Monitor 11, thus user can visually confirm the result of content G volume check.In addition, being readily able in number
Counted in count section 28 by identifying processing.
In addition, in the X ray checking device 1 of above-mentioned embodiment, image processing part 27 will in processing image P3,
Area do not meet the content object area AG of predetermined value from white transition be black obtained from processing image P4 be output to monitor
11, thus user can visually confirm the result of more accurate volume check.In addition, the content without counting need not be directed to
Object area AG is identified processing, it is thus possible to reduce the load to control computer 20.
In addition, in the X ray checking device 1 of above-mentioned embodiment, for meats such as dry fried food and meat ball, male
All natural goodses such as the greengrocery such as fruits and potato such as the seafood such as oyster and clam son, fruit and seed are especially effective.
The X ray checking device 1 of above-mentioned embodiment can not obtain specific a reference value in inspection and be difficult to enter by conventional method
Effect is especially big in the case of the irregular content G that row is checked.
(4) variation
An embodiment is this concludes the description of, but the invention is not restricted to above-mentioned embodiment, invention can not departed from
Various changes are carried out in the range of main idea.
<Variation 1>
In the above-described embodiment, the contour line L of the generation G in X-ray transmission image P1 (binary image P2) is enumerated,
As shown in fig. 7, will be heavy with the bisecting line L3 of the angle of intersection α from contour line L obtained first straight line L1 and second straight line L2
Said as the narrow S examples split the part that folded content object area AG length D does not meet predetermined value
It is bright.The invention is not restricted to this.Hereinafter, narrow S extraction and segmentation is illustrated using Fig. 9 (A) and Fig. 9 (B)
Method.Fig. 9 (A) and Fig. 9 (B) are the figures of an enlarged representation binary image P2 part, and a grid represents one
Pixel.In addition, the grid of black represents content pixel EG, white grid represents background pixel EB.For purposes of illustration only, plaid matching
Sub- additional character.
Cutting part 24 extracts content pixel EG and background pixel EB border, extracts a borderline background pixel
EB and be used as starting point pixel.For example, in the case where background pixel EB " 56 " is extracted as into starting point pixel, cutting part 24 is with background
Centered on pixel EB " 56 ", content pixel EG is searched for according to helical form, to implement the search (interior until detecting background pixel EB
Tolerant pixel EG " 57 " → content pixel EG " 48 " → content pixel EG " 47 " → content pixel EG " 66 " → content
Pixel EG " 58 " → background pixel EB " 49 ").Next, cutting part 24 is by by the background pixel EB " 56 " of starting point pixel and search
The pixel count that the background pixel EB " 49 " gone out is clamped is that the situation below threshold pixels number is determined as narrow.For example, making
The pixel count turns into the case of one, will be determined as by background pixel EB " 56 " and background pixel EB " 49 " part clamped narrow
Narrow portion.Furthermore it is possible to the suitable given threshold pixel count such as characteristic by content G.
Image processing part 27 can also will be judged as the pixel of narrow, i.e. by background pixel EB " 56 " and background picture
The pixel (pixel " 57 " and pixel " 48 ") that plain EB " 49 " is clamped generates processing image P5 from black transition is white.Even if
In this case, processing image P5 is exported to the grade of monitor 11 by image processing part 27, so as to visually confirm
The result of content G volume check.In addition, being readily able in number count section 28 be counted by identifying processing.
<Variation 2>
In the above-described embodiment, cutting part 24 is enumerated such as shown in Fig. 5 (B), by the content overlapping with bisecting line L3
Object area AG length D determines whether the example of segmentation as benchmark and is illustrated, but not limited to this.For example, cutting part
24 can also be by 2 ° of α be (for example from the bisecting line L3 centered on first straight line L1 and second straight line L2 intersection I P
3 °~10 °) in the range of the straight line that swings as cut-off rule, by the content object area AG overlapping with straight line L4 length D not
Regard as narrow S in the part for meeting predetermined value.
<Variation 3>
In the above-described embodiment, image processing part 27 is enumerated in binary image P2 or processing image P3, by face
The content object area AG that product does not meet predetermined value is illustrated from white transition for the example of black, but it is also possible to by area
And at least one party of girth do not meet the content object area AG of predetermined value from white transition be black.
<Variation 4>
In the above-described embodiment, enumerate number count section 28 and exclude the content object area PA that area does not meet predetermined value
The example of counting and be illustrated, but it is also possible at least one party for excluding area and girth does not meet the content of predetermined value
Region PA is counted.
<Other variations>
In the above-described embodiment, enumerate to commodity W X-ray irradiations, and X is generated according to the X-ray transmitted through commodity W
Radial transmission image P1 example and be illustrated, but the invention is not restricted to this.For example, the present invention can also be applied to include
To commodity W irradiate near infrared ray, and according to transmitted through commodity W near infrared ray generate transmission image image production part it is near
Infrared inspection device (check device).
In addition, in above-mentioned embodiment or variation, enumerating the irregular examples of content G housed in packaging P
Son and be illustrated, but the invention is not restricted to this.For example, it is also possible to be by shapes such as stock-cube, sausage, chocolate, pills
Shape is that the processed goods of substantially certain setting is contained in packaging P situation as content G.
In addition, in above-mentioned embodiment or variation, enumerating image production part 21 by picture more than predetermined concentration
Element is converted to white, will be illustrated less than the threshold transition of predetermined concentration for the example of black, but it is also possible to will be pre-
Pixel more than fixed concentration is converted to black, will be white less than the threshold transition of predetermined concentration.
Various embodiments and variation described above can also be entered in the range of idea of the invention is not departed from
The various combinations of row.
Description of reference numerals：
1：X ray checking device (check device)；7：X-ray irradiation device (illumination part)；11：Monitor；20：Control meter
Calculation machine；21：Image production part；22：Pixel classifications portion；23：Extraction unit；24：Cutting part；25：Contour generating portion；26：Segmentation
Line generating unit；27：Image processing part (the first image processing part；Second image processing part)；28：Number count section；AG：Content
Region；EB：Background pixel；EG：Content pixel；L：Contour line；L1：First straight line；L2：Second straight line；L3：Bisecting line；
L4：Straight line (cut-off rule)；P：Packaging；P1：X-ray transmission image (transmission image)；P2：Binary image；P3~P5：Processing figure
Picture；S：Narrow；G：Content；W：Commodity.
Claims (6)
1. a kind of check device, including：Illumination part, to article irradiation light；And image production part, according to through the article
The light and generate the transmission image of the article, the check device, which is used to check, contains multiple contents in package body
Article,
The check device includes：
Pixel classifications portion, according to the information for the pixel for constituting the transmission image, the pixel of the transmission image is divided into and institute
State the corresponding content pixel of content and background pixel corresponding with the background of the content；
Extraction unit, in the transmission image, extracts the region being made up of the content pixel and is used as content object area；
Cutting part, when the distance that there is the part clipped by the background pixel in the content object area does not meet predetermined length
It is two content areas by a content region segmentation using the narrow as boundary during the narrow of degree
Domain；And
Number count section, in the transmission image, the number to the content object area is counted.
2. check device according to claim 1, wherein,
The number count section does not meet the content object area of predetermined value by excluding area and/or girth and counted
Number.
3. check device according to claim 1 or 2, wherein,
The check device also includes：
Contour generating portion, in the transmission image, generates the contour line of the content；And
Cut-off rule generating unit, enters from the pixel generation for constituting the contour line to the angle of intersection of first straight line and second straight line
The bisecting line divided equally of row, the first straight line is obtained, institute from constituting multiple pixels of the contour line extended to side
Second straight line is stated to be obtained from constituting multiple pixels of the contour line extended to opposite side,
The cutting part makees the part that the length of the content object area overlapping with the bisecting line does not meet predetermined value
For the narrow.
4. check device according to any one of claim 1 to 3, wherein,
The transmission image be changed according to predetermined concentration threshold and the pixel by the first color and with first face
The binary image that the pixel of the second different color of color is constituted,
The pixel classifications of first color are the content pixel by the pixel classifications portion, and by second color
Pixel classifications are the background pixel.
5. check device according to claim 4, wherein,
The check device also includes the first image processing part, in the transmission image, and described first image processing unit will be with
The suitable pixel of the narrow is converted to second color from first color.
6. the check device according to claim 4 or 5, wherein,
The check device also includes the second image processing part, in the transmission image, and second image processing part is by face
The content object area that product and/or girth do not meet predetermined value is converted to second color from first color.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015008742 | 2015-01-20 | ||
| JP2015-008742 | 2015-01-20 | ||
| PCT/JP2016/050369 WO2016117372A1 (en) | 2015-01-20 | 2016-01-07 | Examination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107209131A true CN107209131A (en) | 2017-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680006368.6A Pending CN107209131A (en) | 2015-01-20 | 2016-01-07 | Check device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6363735B2 (en) |
| CN (1) | CN107209131A (en) |
| WO (1) | WO2016117372A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005031069A (en) * | 2003-06-19 | 2005-02-03 | Ishida Co Ltd | X-ray inspection apparatus |
| JP2012198848A (en) * | 2011-03-23 | 2012-10-18 | Burein:Kk | Object identification device |
| JP2014115138A (en) * | 2012-12-07 | 2014-06-26 | Ishida Co Ltd | X-ray inspection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2362711B (en) * | 2000-05-25 | 2004-09-08 | Spectral Fusion Technologies L | Analysis of samples |
| JP2007183200A (en) * | 2006-01-10 | 2007-07-19 | Ishida Co Ltd | X-ray inspection apparatus and article inspection apparatus |
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2016
- 2016-01-07 CN CN201680006368.6A patent/CN107209131A/en active Pending
- 2016-01-07 JP JP2016570562A patent/JP6363735B2/en active Active
- 2016-01-07 WO PCT/JP2016/050369 patent/WO2016117372A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005031069A (en) * | 2003-06-19 | 2005-02-03 | Ishida Co Ltd | X-ray inspection apparatus |
| JP2012198848A (en) * | 2011-03-23 | 2012-10-18 | Burein:Kk | Object identification device |
| JP2014115138A (en) * | 2012-12-07 | 2014-06-26 | Ishida Co Ltd | X-ray inspection device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016117372A1 (en) | 2016-07-28 |
| JP6363735B2 (en) | 2018-07-25 |
| JPWO2016117372A1 (en) | 2017-11-02 |
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