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In graphics software, layers are the different levels at which one can place an object or image file. In the program, layers can be stacked, merged, or defined when creating a digital image. Layers can be partially obscured allowing portions of images within a layer to be hidden or shown in a translucent manner within another image. Layers can ...
The top "layer" is not necessarily a layer in the application; it may be applied with a painting or editing tool. The top "layer" also is called the "blend layer" and the "active layer". In the formulas shown on this page, values go from 0.0 (black) to 1.0 (white).
In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. [1] It is often useful to render picture elements (pixels) in separate passes or layers and then combine the resulting 2D images into a single, final image called the composite.
The background image is used as the bottom layer, and the image with parts to be added are placed in a layer above that. Using an image layer mask , all but the parts to be merged is hidden from the layer, giving the impression that these parts have been added to the background layer.
In image processing, a kernel, convolution matrix, or mask is a small matrix used for blurring, sharpening, embossing, edge detection, and more.This is accomplished by doing a convolution between the kernel and an image.
A Photoshop contest, or sometimes Photoshop battle (often abbreviated to PS Battle), is an online game, in which a website or user of an Internet forum will post a starting image — usually a photograph — and ask others to manipulate the image using some graphics editing software, usually Adobe Photoshop, however other editors are commonly allowed, such as Corel Photo-Paint, GIMP, PaintShop ...
A Laplacian pyramid is very similar to a Gaussian pyramid but saves the difference image of the blurred versions between each levels. Only the smallest level is not a difference image to enable reconstruction of the high resolution image using the difference images on higher levels. This technique can be used in image compression. [13]
In a general sense, Quartz or Quartz technologies can refer to almost every part of the macOS graphics model from the rendering layer down to the compositor including Core Image and Core Video. [2] Other Apple graphics technologies that use the "Quartz" prefix include these: Quartz Extreme; QuartzGL (originally Quartz 2D Extreme) QuartzCore