Výsledky vyhledávání - "Junichi Kurihara"

Akademický článek

Rice Yield Prediction in Different Growth Environments Using Unmanned Aerial Vehicle-Based Hyperspectral Imaging

Autor: Junichi Kurihara, Toru Nagata, Hiroyuki Tomiyama

Publikováno v: Remote Sensing, Vol 15, Iss 8, p 2004 (2023)

There are certain growth stages and spectral regions that are optimal for obtaining a high accuracy in rice yield prediction by remote sensing. However, there is insufficient knowledge to establish a yield prediction model widely applicable for growt

Externí odkaz: https://doaj.org/article/a60634a90f1f4526809de68faeb6ae8a

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Akademický článek

Detection of Apple Valsa Canker Based on Hyperspectral Imaging

Autor: Junichi Kurihara, Toshikazu Yamana

Publikováno v: Remote Sensing, Vol 14, Iss 6, p 1420 (2022)

Approximately half of the world’s apple production occurs in East Asia, where apple Valsa canker (AVC) is a prominent disease. This disease affects the bark of the tree, ultimately killing it and resulting in significant economic loss. Visual ident

Externí odkaz: https://doaj.org/article/89176c8891b64b19983aefc95089c7d5

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Akademický článek

Early Detection of Basal Stem Rot Disease in Oil Palm Tree Using Unmanned Aerial Vehicle-Based Hyperspectral Imaging

Autor: Junichi Kurihara, Voon-Chet Koo, Cheaw Wen Guey, Yang Ping Lee, Haryati Abidin

Publikováno v: Remote Sensing, Vol 14, Iss 3, p 799 (2022)

Early detection of basal stem rot (BSR) disease in oil palm trees is important for the sustainable production of palm oil in the limited land for plantation in Southeast Asia. However, previous studies based on satellite and aircraft hyperspectral re

Externí odkaz: https://doaj.org/article/6b4206d7c0444aaa8e64686d1653a793

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Akademický článek

Radiometric Calibration for a Multispectral Sensor Onboard RISESAT Microsatellite Based on Lunar Observations

Autor: Masataka Imai, Junichi Kurihara, Toru Kouyama, Toshinori Kuwahara, Shinya Fujita, Yuji Sakamoto, Yuji Sato, Sei-Ichi Saitoh, Takafumi Hirata, Hirokazu Yamamoto, Yukihiro Takahashi

Publikováno v: Sensors, Vol 21, Iss 7, p 2429 (2021)

Radiometric calibration utilizing the Moon as a reference source is termed as lunar calibration. It is a useful method for evaluating the performance of optical sensors onboard satellites orbiting the Earth. Lunar calibration provides sufficient radi

Externí odkaz: https://doaj.org/article/c554b41d2a91417f85bf73714448d4f9

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Akademický článek

HPT: A High Spatial Resolution Multispectral Sensor for Microsatellite Remote Sensing

Autor: Junichi Kurihara, Yukihiro Takahashi, Yuji Sakamoto, Toshinori Kuwahara, Kazuya Yoshida

Publikováno v: Sensors, Vol 18, Iss 2, p 619 (2018)

Although nano/microsatellites have great potential as remote sensing platforms, the spatial and spectral resolutions of an optical payload instrument are limited. In this study, a high spatial resolution multispectral sensor, the High-Precision Teles

Externí odkaz: https://doaj.org/article/aafdf315793a471abb0411e223119a5b

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Akademický článek

Captopril Enhances Cardiac Vagal but Not Sympathetic Neurotransmission in Pithed Rats

Autor: Yoshinobu Takata, Takanori Arai, Shigeto Suzuki, Junichi Kurihara, Takashi Uezono, Yoko Okubo, Hitoshi Kato

Publikováno v: Journal of Pharmacological Sciences, Vol 95, Iss 3, Pp 390-393 (2004)

The effect of captopril on neurally evoked bradycardia and tachycardia was investigated in pithed rats. Captopril enhanced the vagal nerve stimulation-evoked bradycardia. Angiotensin I reduced the vagal bradycardia, which was reversed by subsequent a

Externí odkaz: https://doaj.org/article/21bc119f9f6f45e4983541c28f42388b

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