CN104998833A - Image processing based water-soaking sorting method and device for mineral raw materials - Google Patents
Image processing based water-soaking sorting method and device for mineral raw materials Download PDFInfo
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- CN104998833A CN104998833A CN201510392853.9A CN201510392853A CN104998833A CN 104998833 A CN104998833 A CN 104998833A CN 201510392853 A CN201510392853 A CN 201510392853A CN 104998833 A CN104998833 A CN 104998833A
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Abstract
The invention discloses an image processing based water-soaking sorting method and device for mineral raw materials. According to the method, the mineral raw materials are classified and screened through the steps of vibrating feeding, water soaking, imaging, identification, sorting and discharging. A plurality of vibrating conveying channels are adopted to reduce the quantity of accumulation of the mineral raw materials during conveying; the mineral raw materials soaked in water are imaged under the condition of uniform illumination; the mineral raw materials are analyzed in color, size and shape through image processing so as to realize the identification and grading in kind, quality and appearance of the mineral raw materials; and the materials are sorted into a plurality of grades or unqualified materials are rejected by the sorting device at a discharge opening according to the identification results of the materials. The efficiency of the method and device is high.
Description
Technical field
The present invention relates to technical field of image processing, be specifically related to a kind of underwater transparency mineral raw material identification method for separating based on image procossing.
Background technology
Present many mineral raw materials, as: molten quartz block, quartz, potassic feldspar etc. all need to carry out quality grade compartmentalization with surperficial visual characteristic, to remove the heterochromatic particle such as impurity, flaw wherein, thus the material of different brackets are used for different purposes; Stock grading method mainly carries out sorting by image processing system and photoelectric colour sorter, and because raw material overstocks in assorting room, special substance causes being not easy to debate the factors such as look, brings series difficulty to image recognition link.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of mineral raw material based on image procossing immersion method for separating, can solve part mineral raw material surface special substance and cause the factors such as not easy to identify.
For solving the problems of the technologies described above, technical scheme of the present invention is:
Based on mineral raw material immersion method for separating and the device of image procossing, it is characterized in that, comprise the steps:
(1) to feeding in water: material, by oscillating feeder, immerses tank one by one, drops on the conveyer belt in water;
(2) identify in water: in the sink, the flip flop equipment of conveyer belt transmission material below image capturing system, trigger image acquisition system carries out imaging to the material in water; Image capturing system sends image processing system to after collecting material image, and image processing system processes material image automatically, identifies material grade, kind, product phase parameter, and carries out grade judgement;
(3) material sorting: after material is identified, is taken out of material by conveyer belt from water, through sorting unit, is sorted in different receiving vat according to the grade be determined.
The described transparent mineral raw material immersion method for separating based on image procossing, it is characterized in that: the oscillating feeder in described step (1) is shakeout dispersed for material to be selected by the mode of vibration, this device discharging opening comprises multiple passage, each passage stretches under water, and material slips into one by one along each passage on the conveyer belt in water.
The described transparent mineral raw material immersion method for separating based on image procossing, it is characterized in that: identify in the water in described step (2) and comprise imaging and image recognition two steps in water: in water, imaging system is by lighting source, flip flop equipment, image capturing system forms, flip flop equipment, image capturing system adopts optoelectronic switch respectively, camera, material falls on the conveyor belt after entering water, under conveying belt animal material is in light illumination when moving across the optoelectronic switch in front, now optoelectronic switch to directly over camera provide triggering signal, the material image of camera to current location is taken pictures, and image is passed to image processing system, image processing system carries out a series of process to present image after receiving picture signal, and idiographic flow is as follows: (A) encodes to current material sequence number, (B) filtering is carried out to the original image collected, illumination equilibrium strengthens process, (C) rim detection, Iamge Segmentation, color space conversion operation are carried out to the image after strengthening, extract the image information of target area in image and target, (D) colouring information of the target area that obtains of extraction step C, shape information and product phase information, (E) based on the external appearance characteristic of different brackets material, according to the parameters in step C, by mode identification method, grade delimitation is carried out to current material, (F) level signal of current material and coding are sent to the separation system manipulated by slave computer.
The described transparent mineral raw material immersion method for separating based on image procossing, it is characterized in that: the material sorting in described step (3) refers to that material is transported out afterwards through sorting unit by conveyer belt from water, sorting unit according to recognition result corresponding to this material by its sorting to different receiving vat.
The described transparent mineral raw material immersion method for separating based on image procossing, it is characterized in that: described sorting unit is made up of the receiving vat of the different brackets of gun array or mechanical turnover panel and correspondence thereof, spray gun or mechanical turnover panel control flow direction of material, various flows to material fall into the receiving vat of corresponding grade.
Beneficial effect of the present invention is:
Present invention employs accumulating amount when multiple vibrating transportation road decreases mineral feedstock transportation, under uniform lighting condition, imaging is carried out to the underwater mineral raw material of leaching, pass through image procossing, analyze color, size, the shape of mineral raw material, realize the kind of mineral raw material, grade, product to identify mutually and classification, the automatic classification system of discharging opening can according to initial setting parameter simultaneously, according to kind, grade, the product phase of mineral raw material, divided by material and hank multiple grade or reject defective work, efficiency is high.
Detailed description of the invention
Embodiment one: molten quartz block
(1) 10kg molten quartz block is added feed box, by the vibration of oscillating feeder, it is evenly spread out, and be divided into 5 passages to send into conveyer belt uniformly molten quartz block by the dividing plate in oscillating feeder exit;
(2) molten quartz block is brought in tank conveyer belt automatic uniform speed;
(3) molten quartz sand delivers into shimming lighting environment under water, the flip flop equipment of molten quartz block below camera, trigger image acquisition system by conveyer belt, and image capturing system gathers picture signal to be detected;
(4) after receiving picture signal, image processing system carries out the sequence of maneuvers such as image enhaucament, rim detection, Iamge Segmentation, color conversion, pattern-recognition to material image, based on the class parameter that earlier set is good, material is identified and grade judgement division;
(5) material is taken out of by conveyer belt from water, and sorting unit controls sorting spray gun by the winding-up of molten quartz block in the receiving vat of corresponding grade according to the recognition result of correspondence.
Embodiment two: jewel
(1) 10kg jewel is added feed box, by the vibration of oscillating feeder, it is evenly spread out, and by the dividing plate in oscillating feeder exit, molten quartz block is sent into conveyer belt uniformly by 5 passages;
(2) jewel is brought in tank conveyer belt automatic uniform speed;
(3) jewel delivers into shimming lighting environment under water, the flip flop equipment of jewel below camera, trigger image acquisition system by conveyer belt, and image capturing system gathers picture signal to be detected;
(4) after receiving picture signal, image processing system carries out the sequence of maneuvers such as image enhaucament, rim detection, Iamge Segmentation, color conversion, pattern-recognition to material image, based on the class parameter that earlier set is good, material is identified and grade judgement division;
(5) material is taken out of by conveyer belt from water, and sorting unit controls sorting spray gun by the winding-up of molten quartz block in the receiving vat of corresponding grade according to the recognition result of correspondence.
Embodiment three: glass crushed aggregate
(1) 10kg glass crushed aggregate is added feed box, by the vibration of oscillating feeder, it is evenly spread out, and by the dividing plate in oscillating feeder exit, molten quartz block is sent into conveyer belt uniformly by 5 passages;
(2) glass crushed aggregate is brought in tank conveyer belt automatic uniform speed;
(3) glass crushed aggregate delivers into shimming lighting environment under water, the flip flop equipment of glass crushed aggregate below camera, trigger image acquisition system by conveyer belt, and image capturing system gathers picture signal to be detected;
(4) after receiving picture signal, image processing system carries out the sequence of maneuvers such as image enhaucament, rim detection, Iamge Segmentation, color conversion, pattern-recognition to material image, based on the class parameter that earlier set is good, material is identified and grade judgement division;
(5) material is taken out of by conveyer belt from water, and sorting unit controls sorting spray gun by the winding-up of molten quartz block in the receiving vat of corresponding grade according to the recognition result of correspondence.
Claims (5)
1., based on mineral raw material immersion method for separating and the device of image procossing, it is characterized in that, comprise the steps:
(1) to feeding in water: material, by oscillating feeder, immerses tank one by one, drops on the conveyer belt in water;
(2) identify in water: in the sink, the flip flop equipment of conveyer belt transmission material below image capturing system, trigger image acquisition system carries out imaging to the material in water; Image capturing system sends image processing system to after collecting material image, and image processing system processes material image automatically, identifies material grade, kind, product phase parameter, and carries out grade judgement;
(3) material sorting: after material is identified, is taken out of material by conveyer belt from water, through sorting unit, is sorted in different receiving vat according to the grade be determined.
2. according to the transparent mineral raw material immersion method for separating based on image procossing described in claim 1, it is characterized in that: the oscillating feeder in described step (1) is shakeout dispersed for material to be selected by the mode of vibration, this device discharging opening comprises multiple passage, each passage stretches under water, and material slips into one by one along each passage on the conveyer belt in water.
3. according to the transparent mineral raw material immersion method for separating based on image procossing described in claim 1, it is characterized in that: identify in the water in described step (2) and comprise imaging and image recognition two steps in water: in water, imaging system is by lighting source, flip flop equipment, image capturing system forms, flip flop equipment, image capturing system adopts optoelectronic switch respectively, camera, material falls on the conveyor belt after entering water, under conveying belt animal material is in light illumination when moving across the optoelectronic switch in front, now optoelectronic switch to directly over camera provide triggering signal, the material image of camera to current location is taken pictures, and image is passed to image processing system, image processing system carries out a series of process to present image after receiving picture signal, and idiographic flow is as follows: (A) encodes to current material sequence number, (B) filtering is carried out to the original image collected, illumination equilibrium strengthens process, (C) rim detection, Iamge Segmentation, color space conversion operation are carried out to the image after strengthening, extract the image information of target area in image and target, (D) colouring information of the target area that obtains of extraction step C, shape information and product phase information, (E) based on the external appearance characteristic of different brackets material, according to the parameters in step C, by mode identification method, grade delimitation is carried out to current material, (F) level signal of current material and coding are sent to the separation system manipulated by slave computer.
4. according to the transparent mineral raw material immersion method for separating based on image procossing described in claim 1, it is characterized in that: the material sorting in described step (3) refers to that material is transported out afterwards through sorting unit by conveyer belt from water, sorting unit according to recognition result corresponding to this material by its sorting to different receiving vat.
5. according to the transparent mineral raw material immersion method for separating based on image procossing described in claim 1, it is characterized in that: described sorting unit is made up of the receiving vat of the different brackets of gun array or mechanical turnover panel and correspondence thereof, spray gun or mechanical turnover panel control flow direction of material, various flows to material fall into the receiving vat of corresponding grade.
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| CN201510392853.9A CN104998833A (en) | 2015-07-07 | 2015-07-07 | Image processing based water-soaking sorting method and device for mineral raw materials |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311628A (en) * | 2016-08-29 | 2017-01-11 | 安徽兆晨农业科技发展有限公司 | Red jujube grading device |
| CN108254281A (en) * | 2016-12-29 | 2018-07-06 | 湖南长天自控工程有限公司 | A kind of online test method and device of belt feeder material moisture rate |
| CN111844530A (en) * | 2020-07-10 | 2020-10-30 | 苏州普福斯信息科技有限公司 | Renewable resource recovery method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311628A (en) * | 2016-08-29 | 2017-01-11 | 安徽兆晨农业科技发展有限公司 | Red jujube grading device |
| CN108254281A (en) * | 2016-12-29 | 2018-07-06 | 湖南长天自控工程有限公司 | A kind of online test method and device of belt feeder material moisture rate |
| CN111844530A (en) * | 2020-07-10 | 2020-10-30 | 苏州普福斯信息科技有限公司 | Renewable resource recovery method |
| CN111844530B (en) * | 2020-07-10 | 2022-04-15 | 苏州普福斯信息科技有限公司 | Renewable resource recovery and material selection method |
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