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한국생물환경조절학회 / v.1, no.1, 1992년, pp.37-51 
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표고 외관 특징점의 자동 추출 및 측정
( Automatic Extraction and Measurement of Visual Features of Mushroom (Lentinus edodes L.) ) |
| 황헌;이용국; 성균관대학교 농업기계공학과;성균관대학교 농업기계공학과;
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| 초 록 |
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| Quantizing and extracting visual features of mushroom(Lentinus edodes L.) are crucial to the sorting and grading automation, the growth state measurement, and the dried performance indexing. A computer image processing system was utilized for the extraction and measurement of visual features of front and back sides of the mushroom. The image processing system is composed of the IBM PC compatible 386DK, ITEX PCVISION Plus frame grabber, B/W CCD camera, VGA color graphic monitor, and image output RGB monitor. In this paper, an automatic thresholding algorithm was developed to yield the segmented binary image representing skin states of the front and back sides. An eight directional Freeman's chain coding was modified to solve the edge disconnectivity by gradually expanding the mask size of 3$ imes$3 to 9$ imes$9. A real scaled geometric quantity of the object was directly extracted from the 8-directional chain element. The external shape of the mushroom was analyzed and converted to the quantitative feature patterns. Efficient algorithms for the extraction of the selected feature patterns and the recognition of the front and back side were developed. The developed algorithms were coded in a menu driven way using MS_C language Ver.6.0, PC VISION PLUS library fuctions, and VGA graphic functions. |
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| 키워드 |
| 컴퓨터시각;표고버섯;형상추출;자동이치화;측정자동화;computer vision;mushroom(Lentinus edodes L.);feature extraction automatic thresholding;measurement automation; |
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생물환경조절학회지 / v.1, no.1, 1992년, pp.37-51
한국생물환경조절학회
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199211922403740)
언어 : 한국어 |
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| 논문 제공 : KISTI 한국과학기술정보연구원 |
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