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Netpbm (formerly Pbmplus) is an open-source package of graphics programs and a programming library. It is used mainly in the Unix world, where one can find it included in all major open-source operating system distributions, but also works on Microsoft Windows, macOS, and other operating systems.
max is the maximum value for color level in the input image within the selected kernel. min is the minimum value for color level in the input image within the selected kernel. [4] Local contrast stretching considers each range of color palate in the image (R, G, and B) separately, providing a set of minimum and maximum values for each color palate.
Image viewer, converter, organizer and editor capable of importing around 200 and exporting 80 different image file types. Compatible with many Photoshop plug-ins Thorsten Lemke 1992: 11.5.1 July 1, 2021: Proprietary: GraphicsMagick: Commandline image converter and editor GraphicsMagick Group 2002: 1.3.45 [13] 2024-08-27 Free MIT: gThumb
MyPaint versions up to 1.00 and bug/issue tracking were hosted by Gna!. [13]MyPaint uses graphical control elements from GTK and, since 1.2.0, uses GTK 3. [14]In 2020 MyPaint 2.0.0 release succeeds MyPaint 1.2, released back in 2017, and brings a stack of new features and improved tools with it.
where , , and are the color-balanced LMS cone tristimulus values; ′, ′, and ′ are the tristimulus values of an object believed to be white in the un-color-balanced image, and ′, ′, and ′ are the tristimulus values of a pixel in the un-color-balanced image. Matrices to convert to LMS space were not specified by von Kries, but can be ...
Matplotlib-animation [11] capabilities are intended for visualizing how certain data changes. However, one can use the functionality in any way required. These animations are defined as a function of frame number (or time). In other words, one defines a function that takes a frame number as input and defines/updates the matplotlib-figure based ...
It includes a simple brush-based freehand drawing tool, an eraser tool, a select tool, a freehand spray can tool which applies several pixels onto an area instead of just one, a fill tool, a "bomb" tool that clears the page, a line tool, a curve tool, square, circle/oval, and rounded square tools, text tool, a color picker/eyedropper, and a zoom in/zoom out tool.
The software mainly consists of a number of command-line interface utilities for manipulating images. ImageMagick does not have a robust graphical user interface to edit images as do Adobe Photoshop and GIMP, but does include – for Unix-like operating systems – a basic native X Window GUI (called IMDisplay) for rendering and manipulating images and API libraries for many programming languages.