双方向反射率分布関数

ja

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双方向反射率分布関数

Quality:

Bidirectional reflectance distribution function - function of four real variables that defines how light is reflected at an opaque surface. Article "双方向反射率分布関数" in Japanese Wikipedia has 0.2 points for quality (as of July 1, 2025). The article also contains quality flaw template, which reduce quality score.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.

Since the creation of article "双方向反射率分布関数", its content was written by 9 registered users of Japanese Wikipedia and edited by 240 registered Wikipedia users in all languages.

The article is cited 10 times in Japanese Wikipedia and cited 175 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #18744 in June 2005
  • Global: #40301 in March 2004

The highest popularity rank from 2008:

  • Local (Japanese): #172301 in January 2009
  • Global: #90984 in June 2010

There are 17 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Bidirectional reflectance distribution function
55.4417
2Russian (ru)
Двулучевая функция отражательной способности
29.3541
3Czech (cs)
BRDF
28.7375
4Spanish (es)
Función de distribución de reflectancia bidireccional
26.9361
5Catalan (ca)
Funció de distribució de reflectància bidireccional
20.955
6French (fr)
Réflectivité bidirectionnelle
19.967
7Ukrainian (uk)
Двопроменева функція відбивної здатності
19.8608
8Arabic (ar)
دالة توزع معامل الانعكاس ثنائي الاتجاه
18.1753
9Polish (pl)
BRDF
14.569
10Indonesian (id)
Fungsi sebaran dayapantul dwiarah
10.8312
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "双方向反射率分布関数" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Bidirectional reflectance distribution function
1 028 144
2German (de)
Bidirektionale Reflexionsverteilungsfunktion
97 657
3Japanese (ja)
双方向反射率分布関数
68 098
4Russian (ru)
Двулучевая функция отражательной способности
56 852
5Chinese (zh)
雙向反射分佈函數
51 715
6Polish (pl)
BRDF
42 136
7French (fr)
Réflectivité bidirectionnelle
24 311
8Italian (it)
Bidirectional reflectance distribution function
15 778
9Korean (ko)
양방향반사도분포함수
10 729
10Czech (cs)
BRDF
9 144
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "双方向反射率分布関数" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Bidirectional reflectance distribution function
3 534
2French (fr)
Réflectivité bidirectionnelle
261
3German (de)
Bidirektionale Reflexionsverteilungsfunktion
222
4Chinese (zh)
雙向反射分佈函數
142
5Russian (ru)
Двулучевая функция отражательной способности
140
6Japanese (ja)
双方向反射率分布関数
120
7Czech (cs)
BRDF
65
8Polish (pl)
BRDF
65
9Italian (it)
Bidirectional reflectance distribution function
62
10Korean (ko)
양방향반사도분포함수
57
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "双方向反射率分布関数" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Bidirectional reflectance distribution function
92
2German (de)
Bidirektionale Reflexionsverteilungsfunktion
40
3Russian (ru)
Двулучевая функция отражательной способности
17
4Italian (it)
Bidirectional reflectance distribution function
14
5French (fr)
Réflectivité bidirectionnelle
13
6Polish (pl)
BRDF
13
7Japanese (ja)
双方向反射率分布関数
9
8Chinese (zh)
雙向反射分佈函數
9
9Turkish (tr)
Işığın iki yönlü yansıtma dağılımı fonksiyonu
8
10Czech (cs)
BRDF
6
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "双方向反射率分布関数" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Arabic (ar)
دالة توزع معامل الانعكاس ثنائي الاتجاه
2
2English (en)
Bidirectional reflectance distribution function
1
3Chinese (zh)
雙向反射分佈函數
1
4Catalan (ca)
Funció de distribució de reflectància bidireccional
0
5Czech (cs)
BRDF
0
6German (de)
Bidirektionale Reflexionsverteilungsfunktion
0
7Spanish (es)
Función de distribución de reflectancia bidireccional
0
8French (fr)
Réflectivité bidirectionnelle
0
9Armenian (hy)
Երկբեկում
0
10Indonesian (id)
Fungsi sebaran dayapantul dwiarah
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "双方向反射率分布関数" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Bidirectional reflectance distribution function
51
2Ukrainian (uk)
Двопроменева функція відбивної здатності
16
3French (fr)
Réflectivité bidirectionnelle
15
4German (de)
Bidirektionale Reflexionsverteilungsfunktion
14
5Chinese (zh)
雙向反射分佈函數
12
6Japanese (ja)
双方向反射率分布関数
10
7Russian (ru)
Двулучевая функция отражательной способности
10
8Italian (it)
Bidirectional reflectance distribution function
9
9Catalan (ca)
Funció de distribució de reflectància bidireccional
6
10Czech (cs)
BRDF
6
More...

Scores

Estimated value for Wikipedia:
Japanese:
Global:
Popularity in June 2025:
Japanese:
Global:
Popularity in all years:
Japanese:
Global:
Authors in June 2025:
Japanese:
Global:
Registered authors in all years:
Japanese:
Global:
Citations:
Japanese:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
دالة توزع معامل الانعكاس ثنائي الاتجاه
caCatalan
Funció de distribució de reflectància bidireccional
csCzech
BRDF
deGerman
Bidirektionale Reflexionsverteilungsfunktion
enEnglish
Bidirectional reflectance distribution function
esSpanish
Función de distribución de reflectancia bidireccional
frFrench
Réflectivité bidirectionnelle
hyArmenian
Երկբեկում
idIndonesian
Fungsi sebaran dayapantul dwiarah
itItalian
Bidirectional reflectance distribution function
jaJapanese
双方向反射率分布関数
koKorean
양방향반사도분포함수
plPolish
BRDF
ruRussian
Двулучевая функция отражательной способности
trTurkish
Işığın iki yönlü yansıtma dağılımı fonksiyonu
ukUkrainian
Двопроменева функція відбивної здатності
zhChinese
雙向反射分佈函數

Popularity rank trends

Best Rank Japanese:
#172301
01.2009
Global:
#90984
06.2010

AI rank trends

Best Rank Japanese:
#18744
06.2005
Global:
#40301
03.2004

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Bidirectional reflectance distribution function from Wikipedia articles about Bidirectional scattering distribution function, Rendering equation, Path tracing, Physically based rendering and Phong reflection model. Whereas reading the article about Bidirectional reflectance distribution function people most often go to Wikipedia articles on Lambertian reflectance, Specular highlight, Bidirectional scattering distribution function, Radiance and Phong reflection model.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

pl: BRDF
cs: BRDF

News from 8 July 2025

On 8 July 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Diogo Jota, João Pedro, Ozzy Osbourne, Laura Siegemund, Aryna Sabalenka, Julian McMahon, Jurassic World Rebirth, 2025 FIFA Club World Cup, Amanda Anisimova, F1.

In Japanese Wikipedia the most popular articles on that day were: 遠野なぎこ, 神谷宗幣, ジャーメイン良, 秀和幡ヶ谷レジデンス, 参政党, 内田有紀, 鶴保庸介, 牛田茉友, 田久保眞紀, EAFF E-1サッカー選手権.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information