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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 54 1711 1569 53 53 236 10165

Kenji Omasa publications per year

The chart shows the history of publications by Kenji Omasa between 1972 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kenji Omasa published across 54 years, from 1972 to 2025, averaging 4.8 papers a year. Output peaked at 22 publications in 2005. 9 of the 259 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1972 to 2025. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2005. 1972: 1 publication 1973: 0 publications 1974: 1 publication 1975: 2 publications 1976: 1 publication 1977: 0 publications 1978: 1 publication 1979: 1 publication 1980: 0 publications 1981: 2 publications 1982: 0 publications 1983: 1 publication 1984: 1 publication 1985: 2 publications 1986: 1 publication 1987: 1 publication 1988: 2 publications 1989: 1 publication 1990: 10 publications 1991: 2 publications 1992: 8 publications 1993: 10 publications 1994: 2 publications 1995: 3 publications 1996: 8 publications 1997: 6 publications 1998: 3 publications 1999: 4 publications 2000: 8 publications 2001: 9 publications 2002: 12 publications 2003: 10 publications 2004: 4 publications 2005: 22 publications 2006: 9 publications 2007: 9 publications 2008: 15 publications 2009: 17 publications 2010: 3 publications 2011: 7 publications 2012: 10 publications 2013: 5 publications 2014: 4 publications 2015: 7 publications 2016: 4 publications 2017: 3 publications 2018: 2 publications 2019: 3 publications 2020: 2 publications 2021: 4 publications 2022: 3 publications 2023: 4 publications 2024: 5 publications 2025: 4 publications
1972 2025

259 publications in total across all disciplines

View publications per year as a table
Kenji Omasa: publications per year, 1972 to 2025
Year Publications
1972 1
1973 0
1974 1
1975 2
1976 1
1977 0
1978 1
1979 1
1980 0
1981 2
1982 0
1983 1
1984 1
1985 2
1986 1
1987 1
1988 2
1989 1
1990 10
1991 2
1992 8
1993 10
1994 2
1995 3
1996 8
1997 6
1998 3
1999 4
2000 8
2001 9
2002 12
2003 10
2004 4
2005 22
2006 9
2007 9
2008 15
2009 17
2010 3
2011 7
2012 10
2013 5
2014 4
2015 7
2016 4
2017 3
2018 2
2019 3
2020 2
2021 4
2022 3
2023 4
2024 5
2025 4
Total 259
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Kenji Omasa publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Kenji Omasa sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 88 bars. Horizontal axis: publications, 36–40 to 467+. Vertical axis: number of scientists, 0 to 255. Most scientists, 255, have 111–115 publications. The last bar groups every scientist with 467 publications or more. The highlighted bar, 236–240 publications, is where this scientist sits. 36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36–40 publications 467+

This scientist: 236 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

View publications distribution as a table
Number of Plant Science and Agronomy scientists by publication count, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
Publications Scientists This scientist
36–40 2
41–45 7
46–50 40
51–55 58
56–60 60
61–65 107
66–70 130
71–75 153
76–80 191
81–85 199
86–90 206
91–95 218
96–100 226
101–105 227
106–110 247
111–115 255
116–120 253
121–125 233
126–130 219
131–135 201
136–140 194
141–145 176
146–150 157
151–155 147
156–160 151
161–165 159
166–170 137
171–175 128
176–180 126
181–185 98
186–190 114
191–195 100
196–200 90
201–205 71
206–210 98
211–215 70
216–220 86
221–225 61
226–230 58
231–235 53
236–240 64 236
241–245 39
246–250 46
251–255 51
256–260 36
261–265 44
266–270 35
271–275 30
276–280 33
281–285 35
286–290 36
291–295 26
296–300 26
301–305 31
306–310 30
311–315 21
316–320 29
321–325 14
326–330 15
331–335 15
336–340 17
341–345 15
346–350 12
351–355 17
356–360 18
361–365 12
366–370 11
371–375 6
376–380 6
381–385 11
386–390 9
391–395 10
396–400 8
401–405 4
406–410 9
411–415 11
416–420 4
421–425 7
426–430 4
431–435 3
436–440 5
441–445 8
446–450 6
451–455 7
456–460 5
461–465 6
466 2
467+ 99
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Kenji Omasa D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Kenji Omasa sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 80 bars. Horizontal axis: D-Index, 30 to 109+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 34 D-Index. The last bar groups every scientist with 109 D-Index or more. The highlighted bar, 54 D-Index, is where this scientist sits. 30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 54 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

View D-Index distribution as a table
Number of Plant Science and Agronomy scientists by D-index, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
D-Index Scientists This scientist
30 200
31 236
32 253
33 283
34 288
35 240
36 246
37 243
38 247
39 229
40 232
41 230
42 228
43 219
44 193
45 164
46 158
47 143
48 131
49 127
50 122
51 122
52 110
53 102
54 98 54
55 79
56 85
57 88
58 91
59 62
60 61
61 59
62 54
63 61
64 59
65 58
66 41
67 49
68 39
69 32
70 40
71 47
72 38
73 28
74 29
75 28
76 22
77 21
78 25
79 26
80 19
81 16
82 12
83 16
84 14
85 11
86 17
87 13
88 10
89 12
90 18
91 16
92 16
93 17
94 12
95 8
96 9
97 9
98 11
99 12
100 5
101 8
102 4
103 11
104 5
105 9
106 7
107 4
108 8
109+ 99
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Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Artificial intelligence

Kenji Omasa mainly focuses on Botany, Remote sensing, Lidar, Canopy and Germination. His work on Thematic Mapper is typically connected to Universal Soil Loss Equation as part of general Remote sensing study, connecting several disciplines of science. His Lidar study integrates concerns from other disciplines, such as Zelkova, Mean squared error, Scale, Leaf area density and Voxel.

His Canopy study incorporates themes from Kyoto Protocol, Carbon stock, Zenith, Biogeochemical cycle and Carbon sink. His research in Germination intersects with topics in Salinity and Seedling. His study in Stamen is interdisciplinary in nature, drawing from both Dehiscence and Cultivar.

His most cited work include:

  • Voxel-Based 3-D Modeling of Individual Trees for Estimating Leaf Area Density Using High-Resolution Portable Scanning Lidar (260 citations)
  • Integrated effects of air pollution and climate change on forests: a northern hemisphere perspective. (232 citations)
  • 3D lidar imaging for detecting and understanding plant responses and canopy structure (229 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Remote sensing, Botany, Lidar, Photosynthesis and Chlorophyll fluorescence. His work deals with themes such as Pixel and Vegetation, which intersect with Remote sensing. The Botany study which covers Ozone that intersects with Deciduous.

His study looks at the intersection of Lidar and topics like Canopy with Leaf area index. As a member of one scientific family, Kenji Omasa mostly works in the field of Photosynthesis, focusing on Fluorescence and, on occasion, Electron transport chain. His Chlorophyll fluorescence study deals with Photosystem II intersecting with Photochemistry.

He most often published in these fields:

  • Remote sensing (31.12%)
  • Botany (23.65%)
  • Lidar (14.52%)

What were the highlights of his more recent work (between 2009-2021)?

  • Remote sensing (31.12%)
  • Lidar (14.52%)
  • Vegetation (11.20%)

In recent papers he was focusing on the following fields of study:

The scientist’s investigation covers issues in Remote sensing, Lidar, Vegetation, Remote sensing and Artificial intelligence. Kenji Omasa performs integrative study on Remote sensing and Spectral index. His Lidar research includes elements of Leaf area density, Canopy, Resolution and Ginkgo.

His study in the field of Normalized Difference Vegetation Index also crosses realms of Shore. His study looks at the relationship between Remote sensing and topics such as Laser-induced fluorescence, which overlap with Chlorophyll. His Artificial intelligence study combines topics in areas such as Linear regression, Computer vision and Pattern recognition.

Between 2009 and 2021, his most popular works were:

  • Estimating rice chlorophyll content and leaf nitrogen concentration with a digital still color camera under natural light. (104 citations)
  • Estimation of soil moisture using optical/thermal infrared remote sensing in the Canadian Prairies (73 citations)
  • Comparative evaluation of the Vegetation Dryness Index (VDI), the Temperature Vegetation Dryness Index (TVDI) and the improved TVDI (iTVDI) for water stress detection in semi-arid regions of Iran (73 citations)

In his most recent research, the most cited papers focused on:

  • Botany
  • Ecology
  • Artificial intelligence

Kenji Omasa mainly investigates Remote sensing, Lidar, Botany, Canopy and Vegetation. The various areas that Kenji Omasa examines in his Remote sensing study include 3D modeling, Plant breeding, Mean squared error, Multi camera and Lens. Within one scientific family, Kenji Omasa focuses on topics pertaining to Broad-leaved tree under Lidar, and may sometimes address concerns connected to Volume, Voxel, Volume estimation and Solid modeling.

Kenji Omasa works mostly in the field of Botany, limiting it down to topics relating to Ozone and, in certain cases, Horticulture, Vapour Pressure Deficit and Atmospheric sciences, as a part of the same area of interest. His Canopy research is multidisciplinary, relying on both Area density, Laser beams, Resolution and Leaf area index. His Vegetation study combines topics from a wide range of disciplines, such as Chlorophyll and Chlorophyll content.

Best Publications

  • Voxel-Based 3-D Modeling of Individual Trees for Estimating Leaf Area Density Using High-Resolution Portable Scanning Lidar

    F. Hosoi;K. Omasa

  • 3D lidar imaging for detecting and understanding plant responses and canopy structure

    Kenji Omasa;Fumiki Hosoi;Atsumi Konishi

  • The Difference in Sterility due to High Temperatures during the Flowering Period among Japonica-Rice Varieties

    Tsutomu Matsui;Kenji Omasa;Takeshi Horie

  • Integrated effects of air pollution and climate change on forests: a northern hemisphere perspective.

    Andrzej Bytnerowicz;Kenji Omasa;Elena Paoletti

  • Rice (Oryza sativa L.) Cultivars Tolerant to High Temperature at Flowering: Anther Characteristics

    Tsutomu Matsui;Kenji Omasa

  • Estimation of vegetation parameter for modeling soil erosion using linear Spectral Mixture Analysis of Landsat ETM data

    Alejandro M. de Asis;Kenji Omasa

  • High temperature at flowering inhibits swelling of pollen grains, a driving force for thecae dehiscence in rice (Oryza sativa L.)

    Tsutomu Matsui;Kenji Omasa;Takeshi Horie

  • Estimating rice chlorophyll content and leaf nitrogen concentration with a digital still color camera under natural light.

    Yuan Wang;Dejian Wang;Peihua Shi;Kenji Omasa

  • Seed Germination and Radicle Growth of a Halophyte, Kalidium caspicum (Chenopodiaceae)

    Kazuo Tobe;Xaioming Li;Kenji Omasa

  • High Temperature-Induced Spikelet Sterility of Japonica Rice at Flowering in Relation to Air Temperature, Humidity and Wind Velocity Conditions

    Tsutomu Matsui;Kenji Omasa;Takeshi Horie

  • Responses of plant metabolism to air pollution and global change

    K. Omasa;I. Nouchi;E. Goto;K. Oki;K. Oki

  • Image Analysis of Chlorophyll Fluorescence Transients for Diagnosing the Photosynthetic System of Attached Leaves

    Kenji Omasa;Ken-Ichiro Shimazaki;Ichiro Aiga;Walter Larcher

  • Factors contributing to accuracy in the estimation of the woody canopy leaf area density profile using 3D portable lidar imaging

    Fumiki Hosoi;Kenji Omasa

  • Estimating vertical plant area density profile and growth parameters of a wheat canopy at different growth stages using three-dimensional portable lidar imaging

    Fumiki Hosoi;Kenji Omasa

  • Estimation of soil moisture using optical/thermal infrared remote sensing in the Canadian Prairies

    Parinaz Rahimzadeh-Bajgiran;Aaron A. Berg;Catherine Champagne;Kenji Omasa

  • Comparative evaluation of the Vegetation Dryness Index (VDI), the Temperature Vegetation Dryness Index (TVDI) and the improved TVDI (iTVDI) for water stress detection in semi-arid regions of Iran

    Parinaz Rahimzadeh-Bajgiran;Kenji Omasa;Yo Shimizu

  • Effects of sodium chloride on seed germination and growth of two Chinese desert shrubs, Haloxylon ammodendron and H. persicum(Chenopodiaceae)

    Kazuo Tobe;Xiaoming Li;Kenji Omasa

  • Mechanism of Anther Dehiscence in Rice (Oryza sativa L.)

    T. Matsui;K. Omasa;T. Horie

  • Characteristics of seed germination in five non-halophytic Chinese desert shrub species

    Kazuo Tobe;Liping Zhang;Guoyu Yu Qiu;Hideyuki Shimizu

  • Seed germination and seedling emergence of three annuals growing on desert sand dunes in China

    Kazuo Tobe;Liping Zhang;Kenji Omasa

  • Simultaneous measurement of stomatal conductance, non-photochemical quenching, and photochemical yield of photosystem II in intact leaves by thermal and chlorophyll fluorescence imaging.

    Kenji Omasa;Kotaro Takayama

  • 3-D voxel-based solid modeling of a broad-leaved tree for accurate volume estimation using portable scanning lidar

    Fumiki Hosoi;Yohei Nakai;Kenji Omasa

Frequent Co-Authors

Takeshi Horie
Takeshi Horie Kyoto University
Izumi Washitani
Izumi Washitani Chuo University
Elena Paoletti
Elena Paoletti National Research Council (CNR)
Atsushi Tsunekawa
Atsushi Tsunekawa Tottori University
Masayuki Takigawa
Masayuki Takigawa Japan Agency for Marine-Earth Science and Technology
Masashi Tsuda
Masashi Tsuda Kōchi University
Kiyoshi Tanaka
Kiyoshi Tanaka Shinshu University
Ken-ichiro Shimazaki
Ken-ichiro Shimazaki Kyushu University
Jun Kawabata
Jun Kawabata Hokkaido University
C. Barry Osmond
C. Barry Osmond Australian National University

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