Legume content estimation from UAV image in grass-legume meadows: comparison methods based on the UAV coverage vs. field biomass

Authors: Kensuke Kawamura, Tsuneki Tanaka, Taisuke Yasuda, Shoji Okoshi, Masaaki Hanada, Kazuya Doi, Toshiya Saigusa, Takanori Yagi, Kenji Sudo, Kenji Okumura, Jihyun Lim

Source: Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/920be330c7af4e8795db5cbf8bb80d56

Optimizing phosphorus management to increase grain yield and nutritional quality while reducing phytic acid concentration in black rice (Oryza sativa L.)

Authors: Aung Zaw Oo, Hidetoshi Asai, Kensuke Kawamura, Junichiro Marui, Kazuhiko Nakahara, Toshiyuki Takai, Hiroki Saito, Khin Thuzar Win, Juan Pariasca-Tanaka

Source: Frontiers in Sustainable Food Systems, Vol 7 (2023)

Subject Terms: antioxidants, pigmented rice, grain color, ion uptake, phosphorus, Nutrition. Foods and food supply, TX341-641, Food processing and manufacture, TP368-456

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fsufs.2023.1200453/full; https://doaj.org/toc/2571-581X

Access URL: https://doaj.org/article/4c8bb51671c14aa085a6b9d11f9aed12

Deep Learning Enables Instant and Versatile Estimation of Rice Yield Using Ground-Based RGB Images

Authors: Yu Tanaka, Tomoya Watanabe, Keisuke Katsura, Yasuhiro Tsujimoto, Toshiyuki Takai, Takashi Sonam Tashi Tanaka, Kensuke Kawamura, Hiroki Saito, Koki Homma, Salifou Goube Mairoua, Kokou Ahouanton, Ali Ibrahim, Kalimuthu Senthilkumar, Vimal Kumar Semwal, Eduardo Jose Graterol Matute, Edgar Corredor, Raafat El-Namaky, Norvie Manigbas, Eduardo Jimmy P. Quilang, Yu Iwahashi, Kota Nakajima, Eisuke Takeuchi, Kazuki Saito

Source: Plant Phenomics, Vol 5 (2023)

Subject Terms: Plant culture, SB1-1110, Genetics, QH426-470, Botany, QK1-989

File Description: electronic resource

Relation: https://doaj.org/toc/2643-6515

Access URL: https://doaj.org/article/33fee4340fb848de8ab3297238874e73

A Growth Performance and Nonlinear Growth Curve Functions of Large- and Normal-Sized Japanese Quail (Coturnix japonica)

Authors: Mohammad I. Haqani, Kensuke Kawamura, Atsushi Takenouchi, Mohammad H. Kabir, Yoshiaki Nakamura, Akira Ishikawa, Masaoki Tsudzuki

Source: The Journal of Poultry Science, Vol 58, Iss 2, Pp 88-96 (2021)

Subject Terms: body weight, growth curve, japanese quail, large-sized quail strain, normal-sized quail strain, Animal culture, SF1-1100

File Description: electronic resource

Relation: https://www.jstage.jst.go.jp/article/jpsa/58/2/58_0200020/_html/-char/en; https://doaj.org/toc/1346-7395; https://doaj.org/toc/1349-0486

Access URL: https://doaj.org/article/995bd2c35b374b7fb3b8892d8a727117

Exploring relevant wavelength regions for estimating soil total carbon contents of rice fields in Madagascar from Vis-NIR spectra with sequential application of backward interval PLS

Authors: Kensuke Kawamura, Tomohiro Nishigaki, Yasuhiro Tsujimoto, Andry Andriamananjara, Michel Rabenaribo, Hidetoshi Asai, Tovohery Rakotoson, Tantely Razafimbelo

Source: Plant Production Science, Vol 24, Iss 1, Pp 1-14 (2021)

Subject Terms: madagascar, soil carbon, soil fertility, spectral assessments, wavelength region selection, Plant culture, SB1-1110

File Description: electronic resource

Relation: https://doaj.org/toc/1343-943X; https://doaj.org/toc/1349-1008

Access URL: https://doaj.org/article/f32b8b0d2a46417ba64da4d1789cf4b3

Discriminating crops/weeds in an upland rice field from UAV images with the SLIC-RF algorithm

Authors: Kensuke Kawamura, Hidetoshi Asai, Taisuke Yasuda, Pheunphit Soisouvanh, Sengthong Phongchanmixay

Source: Plant Production Science, Vol 0, Iss 0, Pp 1-18 (2020)

Subject Terms: laos, machine learning, object-based image analysis, weed management, Plant culture, SB1-1110

File Description: electronic resource

Relation: https://doaj.org/toc/1343-943X; https://doaj.org/toc/1349-1008

Access URL: https://doaj.org/article/09fe6725aa52403b9fa3105e834fd1a1

Field phenotyping of plant height in an upland rice field in Laos using low-cost small unmanned aerial vehicles (UAVs)

Authors: Kensuke Kawamura, Hidetoshi Asai, Taisuke Yasuda, Phanthasin Khanthavong, Pheunphit Soisouvanh, Sengthong Phongchanmixay

Source: Plant Production Science, Vol 23, Iss 4, Pp 452-465 (2020)

Subject Terms: canopy height model, digital surface model, phenotyping, structure from motion, uav, upland rice, Plant culture, SB1-1110

File Description: electronic resource

Relation: https://doaj.org/toc/1343-943X; https://doaj.org/toc/1349-1008

Access URL: https://doaj.org/article/3e92f26722394976a7fd291908867536

Using a One-Dimensional Convolutional Neural Network on Visible and Near-Infrared Spectroscopy to Improve Soil Phosphorus Prediction in Madagascar

Authors: Kensuke Kawamura, Tomohiro Nishigaki, Andry Andriamananjara, Hobimiarantsoa Rakotonindrina, Yasuhiro Tsujimoto, Naoki Moritsuka, Michel Rabenarivo, Tantely Razafimbelo

Source: Remote Sensing, Vol 13, Iss 8, p 1519 (2021)

Subject Terms: deep learning, Madagascar, oxalate-extractable soil P, visible and near-infrared spectroscopy, Science

File Description: electronic resource

Relation: https://www.mdpi.com/2072-4292/13/8/1519; https://doaj.org/toc/2072-4292

Access URL: https://doaj.org/article/35e4cc0feb0e4e45b4be467ce0380c33

Prediction of Soil Oxalate Phosphorus using Visible and Near-Infrared Spectroscopy in Natural and Cultivated System Soils of Madagascar

Authors: Hobimiarantsoa Rakotonindrina, Kensuke Kawamura, Yasuhiro Tsujimoto, Tomohiro Nishigaki, Herintsitohaina Razakamanarivo, Bruce Haja Andrianary, Andry Andriamananjara

Source: Agriculture, Vol 10, Iss 5, p 177 (2020)

Subject Terms: Madagascar, partial least square (PLS) regression, precision farming, soil oxalate phosphorus, spectroscopy, Agriculture (General), S1-972

File Description: electronic resource

Relation: https://www.mdpi.com/2077-0472/10/5/177; https://doaj.org/toc/2077-0472

Access URL: https://doaj.org/article/9f76960f3d4e462698dca5f4a9ac7ae8

Spectral Index for Quantifying Leaf Area Index of Winter Wheat by Field Hyperspectral Measurements: A Case Study in Gifu Prefecture, Central Japan

Authors: Shinya Tanaka, Kensuke Kawamura, Masayasu Maki, Yasunori Muramoto, Kazuaki Yoshida, Tsuyoshi Akiyama

Source: Remote Sensing, Vol 7, Iss 5, Pp 5329-5346 (2015)

Subject Terms: ground-based measurement, hyperspectral, LAI, sensitivity, site-specific crop management, winter wheat, Science

File Description: electronic resource

Relation: http://www.mdpi.com/2072-4292/7/5/5329; https://doaj.org/toc/2072-4292

Access URL: https://doaj.org/article/a326fdd26c4b432783435256d66539e4

Evaluation of ASTER GDEM2 in Comparison with GDEM1, SRTM DEM and Topographic-Map-Derived DEM Using Inundation Area Analysis and RTK-dGPS Data

Authors: Beni Raharjo, Eko Kustiyanto, Kensuke Kawamura, Yuji Sakuno, Endan Suwandana

Source: Remote Sensing, Vol 4, Iss 8, Pp 2419-2431 (2012)

Subject Terms: digital elevation model, vertical accuracy, undulation effects, Karian dam, Science

File Description: electronic resource

Relation: http://www.mdpi.com/2072-4292/4/8/2419; https://doaj.org/toc/2072-4292

Access URL: https://doaj.org/article/54ef3c7dd29d47fc9b3fcfac5087a1df

Laboratory Visible and Near-Infrared Spectroscopy with Genetic Algorithm-Based Partial Least Squares Regression for Assessing the Soil Phosphorus Content of Upland and Lowland Rice Fields in Madagascar

Authors: Kensuke Kawamura, Yasuhiro Tsujimoto, Tomohiro Nishigaki, Andry Andriamananjara, Michel Rabenarivo, Hidetoshi Asai, Tovohery Rakotoson, Tantely Razafimbelo

Source: Remote Sensing, Vol 11, Iss 5, p 506 (2019)

Subject Terms: Madagascar, oxalate-extractable soil P, partial least squares regression, soil fertility, spectral assessments, waveband selection, Science

File Description: electronic resource

Relation: http://www.mdpi.com/2072-4292/11/5/506; https://doaj.org/toc/2072-4292

Access URL: https://doaj.org/article/47ed36a546ea4e57848075cb5426044a

Canopy Hyperspectral Sensing of Paddy Fields at the Booting Stage and PLS Regression can Assess Grain Yield

Authors: Kensuke Kawamura, Hiroshi Ikeura, Sengthong Phongchanmaixay, Phanthasin Khanthavong

Source: Remote Sensing, Vol 10, Iss 8, p 1249 (2018)

Subject Terms: Laos, partial least squares regression, proximal sensing, rice production, spectral assessments, Science

File Description: electronic resource

Relation: http://www.mdpi.com/2072-4292/10/8/1249; https://doaj.org/toc/2072-4292

Access URL: https://doaj.org/article/4c361c634b3e4f3ea7ea53ad65b5cb38

Vis-NIR Spectroscopy and PLS Regression with Waveband Selection for Estimating the Total C and N of Paddy Soils in Madagascar

Authors: Kensuke Kawamura, Yasuhiro Tsujimoto, Michel Rabenarivo, Hidetoshi Asai, Andry Andriamananjara, Tovohery Rakotoson

Source: Remote Sensing, Vol 9, Iss 10, p 1081 (2017)

Subject Terms: Acrisols, calibration, Ferralsols, first derivative reflectance, Oxisols, partial least squares regression, spectral assessments, surface paddy soil, Science

File Description: electronic resource

Relation: https://www.mdpi.com/2072-4292/9/10/1081; https://doaj.org/toc/2072-4292

Access URL: https://doaj.org/article/f93c4ba9b1c44af18dd12c975873f2df

Retrieval of Chlorophyll-a and Total Suspended Solids Using Iterative Stepwise Elimination Partial Least Squares (ISE-PLS) Regression Based on Field Hyperspectral Measurements in Irrigation Ponds in Higashihiroshima, Japan

Authors: Zuomin Wang, Kensuke Kawamura, Yuji Sakuno, Xinyan Fan, Zhe Gong, Jihyun Lim

Source: Remote Sensing, Vol 9, Iss 3, p 264 (2017)

Subject Terms: chlorophyll-a, hyperspectral, irrigation ponds, partial least squares regression, total suspended solids, Science

File Description: electronic resource

Relation: http://www.mdpi.com/2072-4292/9/3/264; https://doaj.org/toc/2072-4292

Access URL: https://doaj.org/article/6d23b26125ad4a7d8ca2e4aedbc39d82

Prediction of carcass unit price based on image analysis and carcass grading traits using Random Forest in Japanese Black cattle. (English)

Authors: Yuta TAMAGAWA¹, Kensuke KAWAMURA¹, Keigo KUCHIDA¹, kuchida@obihiro.ac.jp

Source: Nihon Chikusan Gakkaiho; 2024, Vol. 95 Issue 3, p211-221, 11p

A Growth Performance and Nonlinear Growth Curve Functions of Large- and Normal-Sized Japanese Quail (Coturnix japonica).

Authors: Haqani, Mohammad I., Kensuke Kawamura, Atsushi Takenouchi, Kabir, Mohammad H., Yoshiaki Nakamura, Akira Ishikawa, Masaoki Tsudzuki

Source: Journal of Poultry Science; 2021, Vol. 58 Issue 2, p88-96, 9p

Subject Terms: JAPANESE quail, NONLINEAR regression, AKAIKE information criterion, QUAILS, REGRESSION analysis

Effect of relationships among clinical mastitis incidence, reproductive performance, and culling rate on the lifetime of dairy cows at Hiroshima University Farm.

Authors: Yuzo Kurokawa, Miki Okita, Hirokazu Kubota, Yoshimasa Tsumiyama, Ichiro Chikamatsu, Akiyoshi Tanaka, Taketo Obitsu, Kensuke Kawamura

Source: Animal Science Journal; Jan-Dec2021, Vol. 92 Issue 1, p1-8, 8p

Subject Terms: MASTITIS, MILK yield, DAIRY cattle, COWS, FARM managers

Effect of varying fermentation conditions with ensiling period and inoculum on photosynthetic pigments and phytol content in Italian ryegrass (Lolium multiflorum Lam.) silage.

Authors: Renlong Lv, Elsabagh, Mabrouk, Taketo Obitsu, Toshihisa Sugino, Yuzo Kurokawa, Kensuke Kawamura

Source: Animal Science Journal; Jan-Dec2020, Vol. 91 Issue 1, p1-7, 7p

Subject Terms: LUTEIN, PHOTOSYNTHETIC pigments, ITALIAN ryegrass, SILAGE, LACTIC acid bacteria, FERMENTATION

Effects of calving interval on milk production of dairy herd at Hiroshima University Farm. (English)

Authors: Yuzo KUROKAWA¹, yuzokuro@hiroshima-u.ac.jp, Hisashi MORI², Miki OKITA¹, Hirokazu KUBOTA¹, Akiyoshi TANAKA¹, Ichiro CHIKAMATSU¹, Yoshimasa TSUMIYAMA¹, Taketo OBITSU¹, Kensuke KAWAMURA³

Source: Nihon Chikusan Gakkaiho; 2019, Vol. 90 Issue 2, p111-120, 9p