Point spread function

Point spread function - impulse response function to a point light source of an optical imaging system. Article "Point spread function" in English Wikipedia has 48.5 points for quality (as of July 1, 2025). The article contains 14 references and 10 sections. The article also contains quality flaw template, which reduce quality score.

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

Since the creation of article "Point spread function", its content was written by 84 registered users of English Wikipedia and edited by 219 registered Wikipedia users in all languages.

The article is cited 108 times in English Wikipedia and cited 356 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #29791 in February 2005
• Global: #80249 in February 2005

The highest popularity rank from 2008:

• Local (English): #90649 in October 2014
• Global: #125998 in April 2015

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.

#	Language	Quality grade	Quality score
1	English (en) Point spread function		48.511
2	Catalan (ca) Funció de dispersió de punt		27.0713
3	German (de) Punktspreizfunktion		25.3341
4	Arabic (ar) دالة التوزيع النقطي		22.3939
5	Russian (ru) Функция рассеяния точки		20.4276
6	Serbian (sr) Функцијa ширења тачке		20.0013
7	Spanish (es) Función de dispersión de punto		18.137
8	Persian (fa) تابع نقطه گستر		12.4732
9	French (fr) Fonction d'étalement du point		11.1579
10	Japanese (ja) 点拡がり関数		10.2918

More...

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

The most popular language versions of the article "Point spread function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Point spread function		1 672 840
2	German (de) Punktspreizfunktion		143 093
3	Japanese (ja) 点拡がり関数		138 981
4	French (fr) Fonction d'étalement du point		79 734
5	Chinese (zh) 点扩散函数		73 863
6	Spanish (es) Función de dispersión de punto		52 687
7	Italian (it) Funzione di diffusione del punto		23 862
8	Russian (ru) Функция рассеяния точки		17 707
9	Persian (fa) تابع نقطه گستر		12 631
10	Czech (cs) Rozptylová funkce		6 686

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

The most popular language versions of the article "Point spread function" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Point spread function		5 765
2	Japanese (ja) 点拡がり関数		398
3	French (fr) Fonction d'étalement du point		349
4	German (de) Punktspreizfunktion		313
5	Chinese (zh) 点扩散函数		217
6	Russian (ru) Функция рассеяния точки		139
7	Italian (it) Funzione di diffusione del punto		86
8	Spanish (es) Función de dispersión de punto		76
9	Korean (ko) 점 확산 함수		49
10	Czech (cs) Rozptylová funkce		34

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

Language versions of the article "Point spread function" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Point spread function		84
2	French (fr) Fonction d'étalement du point		37
3	German (de) Punktspreizfunktion		33
4	Spanish (es) Función de dispersión de punto		13
5	Japanese (ja) 点拡がり関数		9
6	Serbian (sr) Функцијa ширења тачке		7
7	Russian (ru) Функция рассеяния точки		6
8	Czech (cs) Rozptylová funkce		5
9	Italian (it) Funzione di diffusione del punto		5
10	Arabic (ar) دالة التوزيع النقطي		4

More...

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

Language versions of the article "Point spread function" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Italian (it) Funzione di diffusione del punto		1
2	Arabic (ar) دالة التوزيع النقطي		0
3	Catalan (ca) Funció de dispersió de punt		0
4	Czech (cs) Rozptylová funkce		0
5	German (de) Punktspreizfunktion		0
6	English (en) Point spread function		0
7	Spanish (es) Función de dispersión de punto		0
8	Persian (fa) تابع نقطه گستر		0
9	French (fr) Fonction d'étalement du point		0
10	Japanese (ja) 点拡がり関数		0

More...

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

Language versions of the article "Point spread function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Point spread function		108
2	French (fr) Fonction d'étalement du point		93
3	German (de) Punktspreizfunktion		26
4	Russian (ru) Функция рассеяния точки		17
5	Chinese (zh) 点扩散函数		16
6	Japanese (ja) 点拡がり関数		13
7	Persian (fa) تابع نقطه گستر		12
8	Korean (ko) 점 확산 함수		11
9	Serbian (sr) Функцијa ширења тачке		11
10	Arabic (ar) دالة التوزيع النقطي		10

More...

#	Language	Value
ar	Arabic دالة التوزيع النقطي
ca	Catalan Funció de dispersió de punt
cs	Czech Rozptylová funkce
de	German Punktspreizfunktion
en	English Point spread function
es	Spanish Función de dispersión de punto
fa	Persian تابع نقطه گستر
fr	French Fonction d'étalement du point
it	Italian Funzione di diffusione del punto
ja	Japanese 点拡がり関数
ko	Korean 점 확산 함수
nn	Norwegian (Nynorsk) Punktspreiingsfunksjon
ru	Russian Функция рассеяния точки
sr	Serbian Функцијa ширења тачке
th	Thai ฟังก์ชันกระจายจุด
uk	Ukrainian Функція розсіювання точки
zh	Chinese 点扩散函数

Best Rank

English: #90649 10.2014

Global: #125998 04.2015

Best Rank

English: #29791 02.2005

Global: #80249 02.2005

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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