CN101718522A - Non-contact type nondestructive detecting device for plant growth and detecting method thereof - Google Patents
Non-contact type nondestructive detecting device for plant growth and detecting method thereof Download PDFInfo
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- CN101718522A CN101718522A CN200910214223A CN200910214223A CN101718522A CN 101718522 A CN101718522 A CN 101718522A CN 200910214223 A CN200910214223 A CN 200910214223A CN 200910214223 A CN200910214223 A CN 200910214223A CN 101718522 A CN101718522 A CN 101718522A
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Abstract
The invention provides a non-contact type nondestructive detecting device for plant growth, comprising a control computer, a material carrying and rotating holder device and an image acquisition system, wherein the control computer is internally provided with a material carrying and rotating holder control system, an acquisition control system and a growth detection and analysis system which are sequentially connected; the material carrying and rotating holder device is connected with the material carrying and rotating holder control system; and the acquisition control system and the growth detection and analysis system are respectively connected with the image acquisition device. The invention also provides a detecting method of the non-contact type nondestructive detecting device for plant growth. The invention can continuously detect a plurality of plants within a long time with a certain interval, automatically acquire images and analyze growth feature parameters of the plants at the same time of acquiring the images. The invention has the advantages of high image acquisition precision, accurate detection, and the like.
Description
Technical field
The present invention relates to a kind of pick-up unit and method that is used for obtaining the growing process growth information, particularly relate to a kind of quick, contactless the cannot-harm-detection device and detection method thereof of obtaining plant growthform information change, belong to the agricultural facility technical field based on machine vision and image processing techniques.
Background technology
The growth of plant is the dynamic process that a kind of very complicated irreversible volume increases, and not only is subjected to genetic control, and various environment such as light, temperature, moisture and enchancement factor also can produce remarkable influence to the growth of plant.Under different conditions, different growth and development stages obtains the external appearance characteristic parameter of plant growth continuously, and the growth rhythm of research plant realizes simulation and visual, is a significant process studying the plant growth, make up growth model.In order to obtain plant growth characteristics parameter continuously, make up the plant growth model, research plant growth rhythm, one of its gordian technique is exactly to detect the plant growth parameter(s).Though existing at present research relates to the research to colony, but accuracy of detection is not high, and the morphological differences of plant is very big in the reality, and growth background complexity, this just brings very big difficulty to treatment of picture and feature extraction, thereby needs efficient, high-precision image processing method.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art with not enough, provide a kind of and can in long-time, carry out continuous detecting to many strains plant individual at a certain time interval, and images acquired automatically, the non-contact type nondestructive detecting device of the plant of in the time of images acquired the growth characteristics parameter of plant in the image being analyzed growth.
Another object of the present invention is to provide the detection method of the non-contact type nondestructive detecting device of realizing above-mentioned plant growth.
Purpose of the present invention is achieved through the following technical solutions: the non-contact type nondestructive detecting device of kind of plant growth, comprise controlling computer, loading rotary head device and image collecting device, be provided with loading rotary head control system, acquisition control system and growth check and analysis system in the described controlling computer, described loading rotary head control system, acquisition control system and growth check and analysis system are connected successively; Described loading rotary head device is connected with loading rotary head control system, and described acquisition control system is connected with described image collecting device respectively with growth check and analysis system.
Described image collecting device comprises near-infrared light source, ccd video camera, near infrared filter disc and light source controller, described near-infrared light source is fixed on the ccd video camera top, the near infrared filter disc is installed in the camera lens front portion of ccd video camera, described near-infrared light source is connected with light source controller, and described ccd video camera is fixed on the described loading rotary head device; Described light source controller, ccd video camera are connected with acquisition control system respectively, and described ccd video camera is connected with described growth check and analysis system.The preferred near-infrared luminous diode light-source of near-infrared light source.
Described loading rotary head device comprises loading rotary head and cradle head control device, and described loading rotary head is connected with the cradle head control device, and described cradle head control device is connected with loading rotary head control system; Described ccd video camera is fixed on the described loading rotary head.
Described growth check and analysis system comprises image input module, image processing module, growth check and analysis module and storage output module, described image input module, image processing module, growth check and analysis module and storage output module are connected successively, and described image input module is connected with acquisition control system with image collecting device respectively.
Described image processing module comprises picture recognition module and growth characteristics extraction module, and described picture recognition module is connected with the growth characteristics extraction module; Described picture recognition module is connected with image input module, and described growth characteristics extraction module is connected with growth check and analysis module.
Described growth check and analysis module comprises image demarcating module, increment measurement module and data outputting module, and described growth characteristics extraction module is connected with increment measurement module, image demarcating module respectively; Described increment measurement module is connected with data outputting module, and described data outputting module is connected with the storage output module.
Described acquisition control system comprises position detecting module, camera position adjusting module, light source rotary module, light source opening module, light source closing module and time detecting module, and described position detecting module, camera position adjusting module, light source rotary module, light source opening module, light source closing module and time detecting module are connected with image collecting device respectively; Described position detecting module is connected with the light source rotary module with the camera position adjusting module respectively; Described position detecting module, light source opening module, time detecting module and light source closing module are connected successively; Described light source closing module is connected with described growth check and analysis system.
Described loading rotary head control system comprises The Cloud Terrace position detecting module and The Cloud Terrace rotary module, and described The Cloud Terrace position detecting module is connected with the The Cloud Terrace rotary module; Described The Cloud Terrace position detecting module is connected with acquisition control system respectively, and described The Cloud Terrace position detecting module all is connected with loading rotary head device with the The Cloud Terrace rotary module.
Detection method by the non-contact type nondestructive detecting device of above-mentioned plant growth specifically may further comprise the steps:
(1) initialization setting;
(2) loading rotary head control system detects the relative position of loading rotary head and measurand, the relative position of acquisition control system detection measurand and near-infrared light source, ccd video camera; If testing result is undesirable, execution in step (3) then, otherwise execution in step (4);
(3) cradle head control device control loading rotary head rotates, and it is rotated to proper angle; The rotation of light-source controller controls near-infrared light source rotates to correct position with near-infrared light source, and by acquisition control system ccd video camera is adjusted to suitable camera site;
(4) image collecting device is gathered the growth characteristics and the growth image of measurand;
(5) growth check and analysis system image that image collecting device is gathered handle, the upgrowth situation of check and analysis measurand, and the result that will detect stores and exports;
(6) described loading rotary head control system detects the relative position of loading rotary head and next measurand, and acquisition control system detects the relative position of next measurand and near-infrared light source, ccd video camera; Return execution in step (2).
Described step (4) specifically may further comprise the steps:
(4-1) the light source opening module is opened light source, ccd video camera images acquired;
(4-2) the time detecting module detected the time of gathering, and judged whether to reach the detection time of setting; If then carry out next step; If not then ccd video camera continues images acquired;
(4-3) the light source closing module is closed light source, and ccd video camera stops image acquisition;
In the described step (2), by the relative position of The Cloud Terrace position detecting module detection loading rotary head and measurand, whether the angle that detects the loading rotary head is corresponding with measurand; Detect the relative position of measurand and near-infrared light source, ccd video camera by position detecting module, whether the irradiating angle of detection near-infrared light source is suitable, and whether the shooting distance of ccd video camera is suitable;
In the described step (3), the cradle head control device is controlled by the The Cloud Terrace rotary module; Control the adjusting of ccd video camera and the rotation of near-infrared light source respectively by camera position adjusting module and light source rotary module.
Action principle of the present invention: at first select to carry out the plant that growth information is analyzed, open controlling computer, adjust the relative position position that each is observed plant and loading rotary head, and irradiation position and camera site by acquisition control system self-verifying object being observed and near-infrared light source and ccd video camera, if not reach best irradiation position and camera site, then continue to adjust, finish up to whole adjustment.Be used to load the loading rotary head of ccd video camera and near-infrared light source, angle rotation decided at the higher level but not officially announced at certain time intervals, realization is carried out image acquisition to a plurality of objects being observed, rotate to desired location whenever, near-infrared light source is opened automatically, gather the image of the growth characteristics point of corresponding object being observed after a period of time, near-infrared light source is closed automatically then, be rotated next position by set angle again, realize that continuous growth information to many strains plant changes the mode stable storage with image information.Control the full automation of realizing image acquisition by controlling computer, have efficient, fast, the effect of the images acquired of high-resolution, and in images acquired,, when reaching the sub-pixel precision, effectively reduced calculated amount to the Measurement and analysis of plant increment.
The present invention compared with prior art has following advantage and beneficial effect:
1, device of the present invention can directly carry out the measurement of plant growth information to many strains plant individual, can realize high precision, obtain plant growth change image in the growing process rapidly, continuously, with the analysis of from the gained image, extracting the plant growth information, can obtain in high-precision level and implement the effect that the growth characteristics to plant detects, have advantages such as measuring accuracy height, testing result be accurate.
2, device of the present invention has adopted near-infrared luminous diode light-source and near infrared filter disc, realized measuring equally with night by day, obtain the HD image of same briliancy, precision and the speed measured have been improved, avoid the interference of external light source, guaranteed to obtain high-precision measurement result.
3, device of the present invention is decided the angle rotation by using the loading rotary head to drive ccd video camera, growth information to a plurality of measurands is carried out continuous detecting, and in image acquisition process, be in static placement owing to plant always, avoid owing to position that mobile plant causes relatively moves and flicker in the moving process measuring error that relatively moves and cause of the measured point that causes of plant, the shooting physical location that can guarantee ccd video camera and tested plant and tested plant unique point close tie up to during the collection constant all the time, thereby guaranteed the precision that detects.
4, device of the present invention can be controlled voluntarily by controlling computer, need not manual detection, has easy to use, simple operation and other advantages.
5, method of the present invention adopts the plant growth information based on machine vision and Flame Image Process to detect and analytical approach, biology based on plant is a measurand, the variation that various growth information in the growth course are taken place in time can store in the mode of image information, and can carry out the high Precision Processing analysis to the growth information of images acquired fast.
6, the present invention is by high-precision image acquisition, high Precision Detection plant growth rhythm, nondestructive measurement and characteristic parameter extraction have been realized to the plant growth parameter(s), under the situation that does not influence the continuous growth of plant, provide objective, constant, accurate measurement data and research information, for the final Quantitative study plant growth rhythm that realizes provides rational foundation.
Description of drawings
Fig. 1 is the general structure synoptic diagram of pick-up unit of the present invention.
Fig. 2 is the structured flowchart of pick-up unit shown in Figure 1.
Fig. 3 is the structured flowchart of loading rotary head control system shown in Figure 2.
Fig. 4 is the structured flowchart of acquisition control system shown in Figure 2.
Fig. 5 is the structured flowchart of growth check and analysis shown in Figure 2 system.
Fig. 6 is the structured flowchart of growth check and analysis module shown in Figure 5.
Fig. 7 is the schematic flow sheet of detection method of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment
Fig. 1～7 show the concrete structure synoptic diagram of present embodiment, as shown in Figure 1, the non-contact type nondestructive detecting device of this plant growth, comprise controlling computer 19, loading rotary head device and image collecting device, be provided with loading rotary head control system, acquisition control system and growth check and analysis system in the described controlling computer, described loading rotary head control system, acquisition control system and growth check and analysis system are connected successively; Described loading rotary head device is connected with loading rotary head control system, and described acquisition control system is connected with described image collecting device respectively with growth check and analysis system, as shown in Figure 2.
As shown in Figure 1, described image collecting device comprises near-infrared light source 14, ccd video camera 15, near infrared filter disc 16 and light source controller 20, described near-infrared light source 14 is fixed on ccd video camera 15 tops, near infrared filter disc 16 is installed in the camera lens front portion of ccd video camera 15, described near-infrared light source 14 is connected with light source controller 20, and described ccd video camera 15 is fixed on the described loading rotary head device; Described light source controller 20, ccd video camera 15 are connected with acquisition control system in the controlling computer 19 respectively, and described ccd video camera 15 is connected with growth check and analysis system in the controlling computer 19.
As shown in Figure 1, described loading rotary head device comprises loading rotary head 17 and cradle head control device 18, and described loading rotary head 17 is connected with cradle head control device 18, and described cradle head control device 18 is connected with loading rotary head control system in the controlling computer 19; Described ccd video camera 15 is fixed on the described loading rotary head 17.
As shown in Figure 5, described growth check and analysis system comprises image input module, image processing module, growth check and analysis module and storage output module, described image input module, image processing module, growth check and analysis module and storage output module are connected successively, and described image input module is connected with acquisition control system with image collecting device respectively.
Described image processing module comprises picture recognition module and growth characteristics extraction module, and described picture recognition module is connected with the growth characteristics extraction module; Described picture recognition module is connected with image input module, and described growth characteristics extraction module is connected with growth check and analysis module.
As shown in Figure 6, described growth check and analysis module comprises image demarcating module, increment measurement module and data outputting module, and described growth characteristics extraction module is connected with increment measurement module, image demarcating module respectively; Described increment measurement module is connected with data outputting module, and described data outputting module is connected with the storage output module.
As shown in Figure 4, described acquisition control system comprises position detecting module, camera position adjusting module, light source rotary module, light source opening module, light source closing module and time detecting module, and described position detecting module, camera position adjusting module, light source rotary module, light source opening module, light source closing module and time detecting module are connected with image collecting device respectively; Described position detecting module is connected with the light source rotary module with the camera position adjusting module respectively; Described position detecting module, light source opening module, time detecting module and light source closing module are connected successively; Described light source closing module is connected with described growth check and analysis system.
As shown in Figure 3, described loading rotary head control system comprises The Cloud Terrace position detecting module and The Cloud Terrace rotary module, and described The Cloud Terrace position detecting module is connected with the The Cloud Terrace rotary module; Described The Cloud Terrace position detecting module is connected with acquisition control system respectively, and described The Cloud Terrace position detecting module all is connected with loading rotary head device with the The Cloud Terrace rotary module.
As shown in Figure 7, the detection method by the non-contact type nondestructive detecting device of above-mentioned plant growth specifically may further comprise the steps:
(1) initialization setting;
(2) loading rotary head control system detects the relative position of loading rotary head and measurand, the relative position of acquisition control system detection measurand and near-infrared light source, ccd video camera; If testing result is undesirable, execution in step (3) then, otherwise execution in step (4);
(3) cradle head control device control loading rotary head rotates, and it is rotated to proper angle; The rotation of light-source controller controls near-infrared light source rotates to correct position with near-infrared light source, and by acquisition control system ccd video camera is adjusted to suitable camera site;
(4) image collecting device is gathered the growth characteristics and the growth image of measurand;
(5) growth check and analysis system image that image collecting device is gathered handle, the upgrowth situation of check and analysis measurand, and the result that will detect stores and exports;
(6) described loading rotary head control system detects the relative position of loading rotary head and next measurand, and acquisition control system detects the relative position of next measurand and near-infrared light source, ccd video camera; Return execution in step (2).
Described step (4) specifically may further comprise the steps:
(4-1) the light source opening module is opened light source, ccd video camera images acquired;
(4-2) the time detecting module detected the time of gathering, and judged whether to reach the detection time of setting; If then carry out next step; If not then ccd video camera continues images acquired;
(4-3) the light source closing module is closed light source, and ccd video camera stops image acquisition;
In the described step (2), by the relative position of The Cloud Terrace position detecting module detection loading rotary head and measurand, whether the angle that detects the loading rotary head is corresponding with measurand; Detect the relative position of measurand and near-infrared light source, ccd video camera by position detecting module, whether the irradiating angle of detection near-infrared light source is suitable, and whether the shooting distance of ccd video camera is suitable;
In the described step (3), the cradle head control device is controlled by the The Cloud Terrace rotary module; Control the adjusting of ccd video camera and the rotation of near-infrared light source respectively by camera position adjusting module and light source rotary module.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. the non-contact type nondestructive detecting device of kind of plant growth, it is characterized in that: comprise controlling computer, loading rotary head device and image collecting device, be provided with loading rotary head control system, acquisition control system and growth check and analysis system in the described controlling computer, described loading rotary head control system, acquisition control system and growth check and analysis system are connected successively; Described loading rotary head device is connected with loading rotary head control system, and described acquisition control system is connected with described image collecting device respectively with growth check and analysis system.
2. the non-contact type nondestructive detecting device of plant growth according to claim 1, it is characterized in that: described image collecting device comprises near-infrared light source, ccd video camera, near infrared filter disc and light source controller, described near-infrared light source is fixed on the ccd video camera top, the near infrared filter disc is installed in the camera lens front portion of ccd video camera, described near-infrared light source is connected with light source controller, and described ccd video camera is fixed on the described loading rotary head device; Described light source controller, ccd video camera are connected with acquisition control system respectively, and described ccd video camera is connected with described growth check and analysis system.
3. the non-contact type nondestructive detecting device of plant growth according to claim 2, it is characterized in that: described loading rotary head device comprises loading rotary head and cradle head control device, described loading rotary head is connected with the cradle head control device, and described cradle head control device is connected with loading rotary head control system; Described ccd video camera is fixed on the described loading rotary head.
4. the non-contact type nondestructive detecting device of plant growth according to claim 1, it is characterized in that: described growth check and analysis system comprises image input module, image processing module, growth check and analysis module and storage output module, described image input module, image processing module, growth check and analysis module and storage output module are connected successively, and described image input module is connected with acquisition control system with image collecting device respectively.
5. the non-contact type nondestructive detecting device of plant growth according to claim 4, it is characterized in that: described image processing module comprises picture recognition module and growth characteristics extraction module, described picture recognition module is connected with the growth characteristics extraction module; Described picture recognition module is connected with image input module, and described growth characteristics extraction module is connected with growth check and analysis module.
6. the non-contact type nondestructive detecting device of plant growth according to claim 5, it is characterized in that: described growth check and analysis module comprises image demarcating module, increment measurement module and data outputting module, and described growth characteristics extraction module is connected with increment measurement module, image demarcating module respectively; Described increment measurement module is connected with data outputting module, and described data outputting module is connected with the storage output module.
7. the non-contact type nondestructive detecting device of plant growth according to claim 1, it is characterized in that: described acquisition control system comprises position detecting module, camera position adjusting module, light source rotary module, light source opening module, light source closing module and time detecting module, and described position detecting module, camera position adjusting module, light source rotary module, light source opening module, light source closing module and time detecting module are connected with image collecting device respectively; Described position detecting module is connected with the light source rotary module with the camera position adjusting module respectively; Described position detecting module, light source opening module, time detecting module and light source closing module are connected successively; Described light source closing module is connected with described growth check and analysis system.
8. the non-contact type nondestructive detecting device of plant growth according to claim 7, it is characterized in that: described loading rotary head control system comprises The Cloud Terrace position detecting module and The Cloud Terrace rotary module, and described The Cloud Terrace position detecting module is connected with the The Cloud Terrace rotary module; Described The Cloud Terrace position detecting module is connected with acquisition control system respectively, and described The Cloud Terrace position detecting module all is connected with loading rotary head device with the The Cloud Terrace rotary module.
9. by the detection method of the non-contact type nondestructive detecting device of each described plant growth of claim 1～8, it is characterized in that, specifically may further comprise the steps:
(1) initialization setting;
(2) loading rotary head control system detects the relative position of loading rotary head and measurand, the relative position of acquisition control system detection measurand and near-infrared light source, ccd video camera; If testing result is undesirable, execution in step (3) then, otherwise execution in step (4);
(3) cradle head control device control loading rotary head rotates, and it is rotated to proper angle; The rotation of light-source controller controls near-infrared light source rotates to correct position with near-infrared light source, and by acquisition control system ccd video camera is adjusted to suitable camera site;
(4) image collecting device is gathered the growth characteristics and the growth image of measurand;
(5) growth check and analysis system image that image collecting device is gathered handle, the upgrowth situation of check and analysis measurand, and the result that will detect stores and exports;
(6) described loading rotary head control system detects the relative position of loading rotary head and next measurand, and acquisition control system detects the relative position of next measurand and near-infrared light source, ccd video camera; Return execution in step (2).
10. detection method according to claim 9 is characterized in that: described step (4) specifically may further comprise the steps:
(4-1) the light source opening module is opened light source, ccd video camera images acquired;
(4-2) the time detecting module detected the time of gathering, and judged whether to reach the detection time of setting; If then carry out next step; If not then ccd video camera continues images acquired;
(4-3) the light source closing module is closed light source, and ccd video camera stops image acquisition;
In the described step (2), by the relative position of The Cloud Terrace position detecting module detection loading rotary head and measurand, whether the angle that detects the loading rotary head is corresponding with measurand; Detect the relative position of measurand and near-infrared light source, ccd video camera by position detecting module, whether the irradiating angle of detection near-infrared light source is suitable, and whether the shooting distance of ccd video camera is suitable;
In the described step (3), the cradle head control device is controlled by the The Cloud Terrace rotary module; Control the adjusting of ccd video camera and the rotation of near-infrared light source respectively by camera position adjusting module and light source rotary module.
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| CN109870118A (en) * | 2018-11-07 | 2019-06-11 | 南京林业大学 | A kind of point cloud acquisition method of Oriented Green plant temporal model |
| CN110320175A (en) * | 2019-07-04 | 2019-10-11 | 中南林业科技大学 | A kind of near-infrared spectrum detection device and control method |
| CN110321850A (en) * | 2019-07-05 | 2019-10-11 | 杭州时趣信息技术有限公司 | Garment material automatic identifying method, device, system, equipment and storage medium |
| WO2021226907A1 (en) * | 2020-05-14 | 2021-11-18 | 明谷农业生技股份有限公司 | Plant growth identification method and system therefor |
| CN112461135A (en) * | 2020-10-10 | 2021-03-09 | 华南农业大学 | Dendrobium growth parameter nondestructive online measuring device and measuring method thereof |
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