With various tools of exposure correction can be corrected over-or underexposed images. The exposure is carried out globally over brightness and contrast , the curve (histogram), or partially by Dodge and Burn .
Colorkey: describes the cropping of image elements in the Video-/Filmnachbearbeitung, see also Keying .
File Format: conversion or storage in a particular graphics format . A distinction is made ??among other things, the JFIF - PNG - GIF - TIFF - or JPEG2000 format. For the storage of layers, masks and channels, is the PSD - or XCF format.
Rotate: The rotation of an image can eliminate recording errors or special effects. Slight twist is particularly appropriate in a “lopsided” horizon.
Levels : Different images can be arranged as transparencies over each other. The individual elements are arranged on different levels and processed individually. Layers can be locked to prevent accidental editing or deletion. Levels by swapping objects in the foreground or background to be postponed.
Link to this information , the display of EXIF information, such as recording time, digital camera manufacturers and digital camera data. Other metadata , such as the IPTC-NAA standard , can be displayed.
Colors: Colors play an important role of image processing. The color can be changed, the color saturation and adjust each color casts are removed. On the other hand, can also escape the colors of an image, for example, to create black and white images. We distinguish between the colors of the subtractive and additive color mixing . Serve color models or Color spaces such as RGB , CMYK , L * a * b and HSB color of the description. The cross effect refers to a subsequent shifting of the color spectrum .
Color mode and color: You can convert an image into a desired color mode or image mode. We distinguish the modes: bitmap, grayscale, duplex, Indexed Color, RGB, CMYK and Lab. Depending on the color mode you get a different color . It differs in color depth between true color , high color and indexed color , but also between grayscale and black and white.
Filter: images with various graphic filters are edited and manipulated: commonly used blur and sharpen filter (eg, edge enhancement ). Filters with more artistic effects, for example relief effects, lighting effects, shadow effects, Blur. Furthermore, there is the possibility of extension of graphics filters through plug-ins .
Forms: Used for production of geometric objects such as rectangles, ellipses or polygons, but also for creating forms like speech patterns, symbols, etc.
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