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Image-fusion-based early diagnosis method and apparatus for kiwifruit canker

A kiwifruit canker and image fusion technology, applied in image enhancement, image analysis, image data processing, etc., can solve the problems of low signal-to-noise ratio, difficult to achieve automatic segmentation of canopy area and background area, blurred edge of infrared thermal image, etc. , to achieve the effect of improving the accuracy of judgment

Active Publication Date: 2016-06-15
ZHEJIANG UNIV
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Problems solved by technology

However, infrared thermal images have problems such as blurred edges and low signal-to-noise ratio, making it difficult to automatically segment the canopy area from the background area. Due to the above reasons, RGB imaging detection technology is only suitable for diagnosis after plant symptoms appear.
[0007] In summary, it can be seen that there is no effective method and device for early non-destructive detection of kiwifruit canker.

Method used

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  • Image-fusion-based early diagnosis method and apparatus for kiwifruit canker
  • Image-fusion-based early diagnosis method and apparatus for kiwifruit canker
  • Image-fusion-based early diagnosis method and apparatus for kiwifruit canker

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Embodiment Construction

[0058] Such as figure 1 Shown, the early diagnosis device of the kiwifruit canker disease based on image fusion of the present embodiment comprises: RGB camera 1, distance sensor 2, thermal imaging camera 3, telescopic rod 4, bolt 5, telescopic rod 6, support rod 7, bolt 8. Support rod 9, computer 10, base 11, operating platform 12, wheels 13.

[0059] The bottom left side of the base 11 of the sampling car is equipped with two universal wheels 13, and the lower right side is equipped with two wheels 14 with brakes, which can realize the movement and fixing of the sampling car in the kiwi fruit orchard; The lifting rod formed by socketing with the lower support rod 9, the bottom end of the lower support rod 9 is hinged with the base 11, the lifting rod is used for height adjustment, the top of the support rod 7 is hinged with the telescopic rod 6, and the telescopic rod 4 is socketed in the telescopic rod 6, It is composed of a telescopic rod for adjusting the length, wherein...

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Abstract

Disclosed in the invention is an image-fusion-based early diagnosis method and apparatus for a kiwifruit canker. The method comprises: correction and pretreatment are carried out an infrared thermal image to obtain an image I0; correction and pretreatment are carried out an RGB image to obtain an image V0; image matching and image fusion are carried out on the image I0 and the image V0 to obtain an image F; the image F is segmented by using an algorithm to obtain a fused image F1 of a plant canopy area; a plurality of groups of kiwifruit samples that include kiwifruit with cankers and healthy kiwifruit and are provided with known diagnosis results are selected, images F1 of the kiwifruit samples are collected and a canker determination model is established by using geometric parameters of the images F1 as variables; and then geometric parameters of to-be-tested kiwifruit are introduced into the determination model to carry out early diagnoses. In addition, the invention also discloses an image-fusion-based early diagnosis apparatus for kiwifruit canker. With the method, non-destructive detection can be carried out before development of leaf symptoms of the kiwifruit canker and the operation becomes convenient and rapid.

Description

technical field [0001] The invention relates to a diagnosis technology for kiwifruit canker, in particular to an image fusion-based early diagnosis method and device for kiwifruit canker. Background technique [0002] Bacterial canker of kiwifruit plants (P.syringaepv.actinidae, PSA) has seriously threatened the production and development of kiwifruit, and there is no effective cure at present. Therefore, a rapid and accurate early diagnosis method of kiwifruit canker is of great significance for the effective prevention and treatment of canker. [0003] At present, the diagnosis of kiwifruit canker mainly relies on molecular biology diagnostic methods. For example, the application number is that 201210579896.4 patent document discloses the method that adopts ring-mediated isothermal amplification technology to detect Xergonia kiwifruit Xerobacterium, wherein the method comprises the extraction of Xerosis kiwifruit DNA, LAMP reaction and real-time turbidity detection, LAMP ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/50G06T5/00
CPCG06T5/00G06T5/50G06T7/0012G06T2207/10024G06T2207/10048G06T2207/20221G06T2207/30188
Inventor 岑海燕姚洁妮何勇
Owner ZHEJIANG UNIV
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