This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file ‎(3,508 × 2,480 pixels, file size: 1.63 MB, MIME type: image/png)

Summary

Description
English: Unsharp mask (USM). USM applied to lower part of image. Radius:50, Amount:3, Threshold:0. Areas neighbor to dark colors are lightened, areas neighbor to light colors are darkened. PNG Save is lossless. Any artefacts seen are due to USM itself.
 
This PNG graphic was created with GIMP.

Quality image

This image has been assessed using the Quality image guidelines and is considered a Quality image.

العربية ∙ جازايرية ∙ беларуская ∙ беларуская (тарашкевіца) ∙ български ∙ বাংলা ∙ català ∙ čeština ∙ Cymraeg ∙ Deutsch ∙ Schweizer Hochdeutsch ∙ Zazaki ∙ Ελληνικά ∙ English ∙ Esperanto ∙ español ∙ eesti ∙ euskara ∙ فارسی ∙ suomi ∙ français ∙ galego ∙ עברית ∙ हिन्दी ∙ hrvatski ∙ magyar ∙ հայերեն ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ Jawa ∙ ქართული ∙ 한국어 ∙ kurdî ∙ Lëtzebuergesch ∙ lietuvių ∙ македонски ∙ മലയാളം ∙ मराठी ∙ Bahasa Melayu ∙ Nederlands ∙ Norfuk / Pitkern ∙ polski ∙ português ∙ português do Brasil ∙ rumantsch ∙ română ∙ русский ∙ sicilianu ∙ slovenčina ∙ slovenščina ∙ shqip ∙ српски / srpski ∙ svenska ∙ தமிழ் ∙ తెలుగు ∙ ไทย ∙ Tagalog ∙ Türkçe ∙ toki pona ∙ українська ∙ vèneto ∙ Tiếng Việt ∙ 中文 ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

Date 2008
Source Own work
Author Nevit Dilmen
Permission
( Reusing this file)
Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Other versions

Information

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current 18:15, 10 December 2016 Thumbnail for version as of 18:15, 10 December 20163,508 × 2,480 (1.63 MB)DzenanzConverted image from RGBA8 to grayscale8 (reducing size).
22:26, 14 April 2008 Thumbnail for version as of 22:26, 14 April 20083,508 × 2,480 (5.5 MB)Nevit== Summary == {{Information |Description= {{en|Unsharp mask (USM). USM applied to lower part of image. Radius:50, Amount:3, Threshold:0. Areas neighbor to dark colors are lightened, areas neighbor to light colors are darkened. PNG Save is lossles. Any art
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Retrieved from " /info/en/?search=File:Usm-unsharp-mask.png"