Folder: About Images

GIF Video

Definition
A video file that is displayed without sound and looping automatically, like an animated GIF.
Animated GIF

Definition
Animated image saved in the GIF image format.
Animated Image

Definition
A video without sound stored in an "image" format such as GIF or WebP that supports animation.
Sprite

An image in a game that moves and changes, that has animation, specially in the context of 2D games. Sprites are usually images of characters, enemies, monsters, spells, and other effects.
Thumbnail

What is a Thumbnail? A thumbnail is generally a small image automatically generated by a computer program from a larger image (e.g. a photo) that is supposed to represent the larger image. A thumbnail can also be generated from a video instead of an image, in which case the thumbnail represents the video. In some […]
HiDPI

HiDPI refers to screens with high pixel densities, i.e. high PPI (pixels per pinch), which is also called high DPI (dots per inch).
Pixel Density

The amount of pixels per inch (PPI) that a screen can display.
PPI

Pixels per inch: the amount of pixels of a digital image or physical screen that occupy 1 inch of physical space.
DPI

Dots per inch (or pixels per inch). Term used when measuring the resolution of something, such as digital images, monitor screens, mouses, drawing tablets, and scanners.
Chromatic Aberration

Chromatic aberration is a distortion in photography that creates a "color fringe" effect, typically red, orange or magenta and blue, violet or purple colors.
HSL

Way to represent a color using three numeric values: Hue, Saturation, and Lightness.
Why Every Image Editor has its Own Image Format?

The majority of image editors have their own "native" image format, such as Photoshop's .psd, GIMP's .xcf, and Krita's .kra. Why does this happen?
Alpha

A value that determines the transparency of pixels in a digital image.
Canvas

What is a "Canvas" in an Image Editor? Across various image editors, the term "canvas" is used in contrast with layer to refer to the image composited from all layers combined, and the editable area where it's displayed. In the simplest case, if you open a JPG image and it becomes a single layer, then […]
Layer

What is a "Layer" in Computer Graphics? In image editors, video editors, and computer graphics in general, a "layer" is a digital image or graphical effect that is applied or merged with layers underneath it. The simples example is to have a layer that is a large background image at the bottom, and a second […]
Bits per Pixel

The amount of bits (1's and 0's) necessary to store the color data of a single pixel in a digital image.
Ant-Line

A term for the animated, dashed, black-and-white outline that contours the selected area in an image-editing program when there are pixels selected on the canvas.
Resolution

A term that has two different meanings when talking about digital images, cameras, computer screens, images for printing (DPI), or physical screen space (PPI).
Non-Destructive Editing

Features (and sometimes techniques) in image-editing, photo manipulation, and video-editing applications that allow you to make changes to the original image or footage without losing its original data.
Color Channel

Something like the red, green, and blue channels of a RGB image (plus the alpha channel of a RGBA image).