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| 1 | Determination of surface color of‘all yellow’mango cultivars using computer vision显示文摘Image processing techniques are increasingly applied in sorting applications of agricultural products.This work has assessed the use of image processing for inspecting surface color of two Thai mango cultivars.A computer vision system(CVS)was developed and experiments were conducted to monitor peel color change during the ripening process.Conversion of RGB to CIE-LAB values was done via image processing and prediction models were developed to estimate color parameters from CVS data.Performance evaluations showed insufficient prediction for L values(R2=0.42-0.58),but better results for A and B values(R2=0.90-0.95 and 0.80-0.82,respectively).Compared to the calculated color values hue angle and chroma,a yellowness index computed from intermediate XYZ values was found to be much more adept at accurately predicting peel color from CVS data.Correlations were strong for both cultivars(R2=0.93 for‘Nam Dokmai’and R2=0.95 for‘Maha Chanok’).Results from classification analysis indicated satisfactory results for classifying fruits according to ripeness based on yellowness.Success rates of true positives in the categories unripe,ripe and overripe ranged 72%-92%for‘Nam Dokmai’and 98%-100%for‘Maha Chanok’.Therefore,it was shown that the CVS was capable of producing accurate color values for the two mango cultivars investigated.The findings of this study can be incorporated for development of a robust system for quality prediction and establishment of a CVS for automatic grading and sorting of mangos. | Marcus Nagle Kiatkamjon Intani Giuseppe Romano Busarakorn Mahayothee Vicha Sardsud Joachim Müller | 2016 | International Journal of Agricultural and Biological Engineering2016，9，1： | 5 |
| 2 | Modelling the relationship between peel colour and the quality of fresh mango fruit using Random Forests显示文摘 | Shinji Fukuda Eriko Yasunaga Marcus Nagle Kozue Yuge Vicha Sardsud Wolfram Spreer Joachim Müller | 2014 | Journal of Food Engineering2014，，： | 1 |
| 3 | Effects of chitosan and citric acid on pericarp browning andpolyphenol oxidase activity of longan fruit 显示文摘 | Wittaya Apai Vicha Sardsud Piehaya Boonprasom et al | 2010 | Songklanakarin Journal of Science and Tech- nology2010，31，6： | 1 |
| 4 | Ordovician conodonts from the Thong Pha Phum area, western Thailand显示文摘 | S. Agematsu K. Sashida S. Salyapongse A. Sardsud | 2004 | Journal of Asian Earth Sciences2004，，1： | 1 |
| 5 | 泰国东南部Rayong省Klaeng地区的中晚泥盆世放射虫(英文)显示文摘Tectonic subdivision of mainland Thailand has been discussed by means of Paleozoic and Mesozoic stratigraphy,micropaleontology represented by foraminiferal and radiolarian biostratigraphy and paleobiogeography,tectonic settings of granitoids, | Yoshihito KAMATA Miyako KATO Katsumi UENO Akira MIYAHIGASHI Thasinee CHAROENTITIRAT Apsorn SARDSUD | 2012 | 地球学报2012，33，S1： | 0 |
| 6 | 泰国北部Inthanon带外来硅质岩块的中、晚二叠世放射虫:对与古特提斯消减有关的混杂岩形成时代的约束(英文)显示文摘The Inthanon Zone of Northern Thailand,originally proposed by Barr and Macdonald(1991),is characterized by the occurrence of Paleo-Tethyan pelagic sediments including Carboniferous-Permian seamount-type carbonate associated with oceanic | Yoshihito KAMATA Hidetoshi HARA Katsumi UENO Apsorn SARDSUD Thasinee CHAROENTITIRAT Punya CHARUSIRI Ken-ichiro HISADA | 2012 | 地球学报2012，33，S1： | 0 |
| 7 | Dinosaur footprint assemblage from the Lower Cretaceous Khok Kruat Formation,Khorat Group,northeastern Thailand显示文摘The Khok Kruat Formation is the upper part of the Khorat Group,which consists of upper Lower Cretaceous non-marine sedimentary rocks in northeastern Thailand.Many dinosaur footprints have been known from the upper Lower Cretaceous(Aptian-Albian)Khok Kruat Formation at the Huai Dam Chum(Tha Uthen)site,northeastern Thailand.Approximately 600 tracks occur in thin mudstone layer of the northern part of the outcrop at the Huai Dam Chum track site.Two types of footprints,small-sized theropod and crocodylomorph are imprinted with mud cracks and ripple marks on the thin mud layer.Most of footprints are referred to cf.Asianopodus,and are imprinted by small-sized theropoda,probably ornithomimosauria.Theropod tracks are mainly separated into two groups,Group A and Group B.From ichnological viewpoints,the small-sized theropod track assemblage indicates the herd behaviour and its idiosyncratic group composition.In particular,the histogram of size-frequency measurements of Group A shows the anomalous bimodal distribution.We consider that there are two hypotheses;the first one is due to the male-female difference,and the second is a result of the different growing stage. | Shohei Kozu Apsorn Sardsud Doungrutai Saesaengseerung Cherdchan Pothichaiya Sachiko Agematsu Katsuo Sashida | 2017 | Geoscience Frontiers2017，8，6： | 0 |
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