Search Results - "Sumriddetchkajorn, Sarun"

Mobile device-based self-referencing colorimeter for monitoring chlorine concentration in water by Sumriddetchkajorn, Sarun, Chaitavon, Kosom, Intaravanne, Yuttana

“…Realizing that a widely-used and cost-effective method in determining the amount of chlorine in water is colorimetry, this paper proposes and experimentally…”
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Android-based rice leaf color analyzer for estimating the needed amount of nitrogen fertilizer by Intaravanne, Yuttana, Sumriddetchkajorn, Sarun

“…•A mobile device is used to estimate the key color levels of the rice leaf.•Environmental fluctuation is alleviated through our self-referencing…”
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Cell phone-based two-dimensional spectral analysis for banana ripeness estimation by Intaravanne, Yuttana, Sumriddetchkajorn, Sarun, Nukeaw, Jiti

“…It is known that when green fruits such as bananas and mangoes grow from the immature to the ripe stages, their color changes from green to yellow. However,…”
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Random number generation from a quantum tunneling diode by Aungskunsiri, Kanin, Amarit, Ratthasart, Wongpanya, Kruawan, Jantarachote, Sakdinan, Yamwong, Wittawat, Saiburee, Siriporn, Chanhorm, Sataporn, Intarapanich, Apichart, Sumriddetchkajorn, Sarun

“…Random numbers are important in many activities, including communication, encryption, science, gambling, finance, and decision making. There is a strong demand…”
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Quantum Random Number Generation Based on Multi-photon Detection by Aungskunsiri, Kanin, Jantarachote, Sakdinan, Wongpanya, Kruawan, Amarit, Ratthasart, Punpetch, Pongpun, Sumriddetchkajorn, Sarun

“…We demonstrate quantum random number generation based on a photon-number detection scheme with the use of a silicon photomultiplier. We implement a time…”
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High-Quality Large-Magnification Polymer Lens from Needle Moving Technique and Thermal Assisted Moldless Fabrication Process by Amarit, Ratthasart, Kopwitthaya, Atcha, Pongsoon, Prasit, Jarujareet, Ungkarn, Chaitavon, Kosom, Porntheeraphat, Supanit, Sumriddetchkajorn, Sarun, Koanantakool, Thaweesak

“…The need of mobile microscope is escalating as well as the demand of high quality optical components in low price. We report here a novel needle moving…”
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Simultaneous Analysis of Far Infrared Signals From Periorbital and Nostril Areas for Nonintrusive Lie Detection: Performance From Real Case Study by Sumriddetchkajorn, Sarun, Somboonkaew, Armote, Sodsong, Tawee, Promduang, Itthipol, Sumriddetchkajorn, Niti, Prada-in, Thawatchai

“…This paper highlights our simultaneous analysis of two-dimensional far-infrared data around the two periorbital and the nostril areas for nonintrusively…”
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Ultra-high-contrast low-leakage-light optical touch device structures using light scattering and total internal reflection concepts by Sumriddetchkajorn, Sarun, Amarit, Ratthasart

“…Ultra-high-contrast low-leakage-light optical touch sensor architectures arranged in transmissive and reflective configurations are proposed. The key idea is…”
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Mobile-platform based colorimeter for monitoring chlorine concentration in water by Sumriddetchkajorn, Sarun, Chaitavon, Kosom, Intaravanne, Yuttana

“…Cost-effective monitoring concentration of residue chlorine in water can be simply accomplished via colorimetry where the selected indicating chemical material…”
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Optical Sensing System for Real-Time Physical Quality Evaluation of Hand Reeled Silk Yarn by Chaitavon, Kosom, Sumriddetchkajorn, Sarun, Kamtongdee, Chakkrit, Chanhorm, Sataporn

“…Hand reeled Thai silk yarns can be classified based on its physical quality such as diameter, color and weight. In general, certified inspectors are randomly…”
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Mobile-device-based two-dimensional measurement for estimating the embryo and endosperm areas of brown rice by Chaitavon, Kosom, Sumriddetchkajorn, Sarun, Prasertsak, Anchalee, Chanhorm, Sataporn, Prempree, Panintorn, Intaravanne, Yuttana

“…The rice kernel inside a hull is composed of the embryo and endosperm. The embryo or germ of the rice seed will grow and become the shoot and the root parts of…”
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Home-Made N-Channel Fiber-Optic Spectrometer from a Web Camera by Sumriddetchkajorn, Sarun, Intaravanne, Yuttana

“…This paper demonstrates the high potential of a web camera to be utilized as a low-cost multichannel fiber-optic spectrometer suitable for either educational…”
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Self-Compensation for the Influence of Working Distance and Ambient Temperature on Thermal Imaging-Based Temperature Measurement by Rayanasukha, Sirajit, Somboonkaew, Armote, Sumriddetchkajorn, Sarun, Chaitavon, Kosom, Chanhorm, Sataporn, Saekow, Bunpot, Porntheeraphat, Supanit

“…Nowadays, body temperature screening is very important especially in the current global coronavirus disease (COVID-19) epidemic. It can be considered as the…”
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Temperature-compensated infrared-based low-cost mobile platform module for mass human temperature screening by Somboonkaew, Armote, Vuttivong, Sirajit, Prempree, Panintorn, Amarit, Ratthasart, Chanhorm, Sataporn, Chaitavon, Kosom, Porntheeraphat, Supanit, Sumriddetchkajorn, Sarun

“…As fast human temperature screening is needed in large public areas, this paper proposes a low-cost mobile platform module that combines the advantages of…”
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Single-wavelength based rice leaf color analyzer for nitrogen status estimation by Sumriddetchkajorn, Sarun, Intaravanne, Yuttana

“…With the need of a tool for efficient nitrogen (N) fertilizer management in the rice field, this paper proposes a low-cost compact single-wavelength based…”
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A Low-Cost Dual-Beam Smartphone Visible Spectrometer by Jarujareet, Ungkarn, Pichayawaytin, Grit, Sripetch, Pongsakun, Doljirapisit, Narusorn, Sumriddetchkajorn, Sarun, Prempree, Panintorn, Chaitavon, Kosom, Punpetch, Pongpun, Amarit, Ratthasart

“…The optical spectrometer is a widely established and widely used scientific instrument for analyzing biochemical samples. However, it is expensive, bulky, and…”
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Fault-tolerant optical-penetration-based silkworm gender identification by Sumriddetchkajorn, Sarun, Kamtongdee, Chakkrit, Chanhorm, Sataporn

“…•Fault-tolerant optical-penetration-based silkworm gender identification is proposed.•The key idea lies in the use of dual wavelength illumination.•Female pupa…”
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Feasibility Study of silkworm pupa sex identification with pattern matching by Kamtongdee, Chakkrit, Sumriddetchkajorn, Sarun, Sa-ngiamsak, Chiranut

“…•Optical penetration-based silkworm pupa sex identification with pattern matching is studied.•A widely used normalized cross correlation is chosen to search…”
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Fast fluorescent imaging-based Thai jasmine rice identification with polynomial fitting function and neural network analysis by Suwansukho, Kajpanya, Sumriddetchkajorn, Sarun, Buranasiri, Prathan

“…With our single-wavelength spectral-imaging-based Thai jasmine rice identification system, we emphasize here that a combination of an appropriate polynomial…”
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Demonstration of a single-wavelength spectral-imaging-based Thai jasmine rice identification by Suwansukho, Kajpanya, Sumriddetchkajorn, Sarun, Buranasiri, Prathan

“…A single-wavelength spectral-imaging-based Thai jasmine rice breed identification is demonstrated. Our nondestructive identification approach relies on a…”
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