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Image scaling

In computer graphics, image scaling is the process of resizing a digital image. [1]

52 relations: Aliasing, Bicubic interpolation, Bilinear filtering, Bilinear interpolation, Bitmap, C++, Castlevania: Rondo of Blood, Castlevania: Symphony of the Night, Computer animation, Digital image, Directional Cubic Convolution Interpolation, Display contrast, DOSBox, Emulator, Everything2, Frame rate, Game engine, Game engine recreation, GNU General Public License, Higan (emulator), High-definition video, History of video game consoles (fourth generation), Hqx, Interpolation, Jaggies, Lanczos resampling, List of video game emulators, LucasArts, MacTech, Mipmap, Nearest-neighbor interpolation, Peak signal-to-noise ratio, Pixel, Pixel art, PlayStation Network, Raster graphics, SCUMM, ScummVM, Seam carving, Sonic's Ultimate Genesis Collection, Spatial anti-aliasing, Spline interpolation, Structural similarity, Supersampling, Thumbnail, Vector graphics, Video game, Video game console emulator, Virtual Console, VisualBoyAdvance, ..., Xbox Live, ZSNES. Expand index (2 more) »


In signal processing and related disciplines, aliasing is an effect that causes different signals to become indistinguishable (or aliases of one another) when sampled.

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Bicubic interpolation

In mathematics, bicubic interpolation is an extension of cubic interpolation for interpolating data points on a two dimensional regular grid.

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Bilinear filtering

Bilinear filtering is a texture filtering method used to smooth textures when displayed larger or smaller than they actually are.

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Bilinear interpolation

In mathematics, bilinear interpolation is an extension of linear interpolation for interpolating functions of two variables (e.g., x and y) on a rectilinear 2D grid.

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In computing, a bitmap is a mapping from some domain (for example, a range of integers) to bits, that is, values which are zero or one.

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C++ (pronounced as cee plus plus) is a general-purpose programming language.

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Castlevania: Rondo of Blood

is a platform-adventure video game developed by Konami for the PC Engine CD.

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Castlevania: Symphony of the Night

is a platform-adventure action role-playing game developed and published by Konami in 1997.

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Computer animation

Computer animation, or CGI animation, is the process used for generating animated images by using computer graphics.

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Digital image

A digital image is a numeric representation (normally binary) of a two-dimensional image.

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Directional Cubic Convolution Interpolation

Directional Cubic Convolution Interpolation (DCCI) is an edge-directed image scaling algorithm created by Dengwen Zhou and Xiaoliu Shen.

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Display contrast

Contrast in visual perception is the difference in appearance of two or more parts of a field seen simultaneously or successively (hence: brightness contrast, lightness contrast, color contrast, simultaneous contrast, successive contrast, etc.). Contrast in physics is a quantity intended to correlate with the perceived brightness contrast, usually defined by one of a number of formulae (see below) which involve e.g. the luminances of the stimuli considered, for example: ΔL/L near the luminance threshold (known as Weber contrast), or LH/LL for much higher luminances.

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DOSBox is an emulator program that emulates an IBM PC compatible computer running a DOS operating system.

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In computing, an emulator is hardware or software that enables one computer system (called the host) to behave like another computer system (called the guest).

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Everything2 (styled Everything2), or E2 for short, is a collaborative Web-based community consisting of a database of interlinked user-submitted written material.

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Frame rate

Frame rate, also known as frame frequency, is the frequency (rate) at which an imaging device displays consecutive images called frames.

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Game engine

A game engine is a software framework designed for the creation and development of video games.

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Game engine recreation

Game engine recreations are remade engine interpreters for video games that replace the original engine binary that came with the original game.

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GNU General Public License

The GNU General Public License (GNU GPL or GPL) is the most widely used free software license, which guarantees end users (individuals, organizations, companies) the freedoms to run, study, share (copy), and modify the software.

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Higan (emulator)

Higan (stylized as "higan") is an emulator for multiple Nintendo video game consoles, including the Super Nintendo Entertainment System and NES.

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High-definition video

High-definition video is video of higher resolution and quality than standard-definition.

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History of video game consoles (fourth generation)

In the history of computer and video games, the fourth generation (more commonly referred to as the 16-bit era) of games consoles began on October 30, 1987 with the Japanese release of Nippon Electric Company's (NEC) PC Engine (known as the TurboGrafx-16 in North America).

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In image processing, hqx ("hq" stands for "high quality" and "x" stands for magnification) is one of the pixel art scaling algorithms developed by Maxim Stepin, used in emulators such as Nestopia, FCEUX, higan, Snes9x, ZSNES and many more.

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In the mathematical field of numerical analysis, interpolation is a method of constructing new data points within the range of a discrete set of known data points.

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"Jaggies" is the informal name for artifacts in raster images, most frequently from aliasing, which in turn is often caused by non-linear mixing effects producing high-frequency components or missing or poor anti-aliasing filtering prior to sampling.

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Lanczos resampling

Lanczos resampling and Lanczos filtering are two applications of a mathematical formula.

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List of video game emulators

This is a selected list of video game system emulators.

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LucasArts Entertainment Company, LLC is an American video game publisher and licensor.

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MacTech is the journal of Apple technology, a monthly magazine for consultants, IT Pros, system administrators, software developers, and other technical users of the Apple Macintosh line of computers.

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In 3D computer graphics, mipmaps (also MIP maps) are pre-calculated, optimized sequences of textures, each of which is a progressively lower resolution representation of the same image.

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Nearest-neighbor interpolation

Nearest-neighbor interpolation (also known as proximal interpolation or, in some contexts, point sampling) is a simple method of multivariate interpolation in one or more dimensions.

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Peak signal-to-noise ratio

Peak signal-to-noise ratio, often abbreviated PSNR, is an engineering term for the ratio between the maximum possible power of a signal and the power of corrupting noise that affects the fidelity of its representation.

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In digital imaging, a pixel, pel, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.

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Pixel art

Pixel art is a form of digital art, created through the use of raster graphics software, where images are edited on the pixel level.

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PlayStation Network

PlayStation Network, officially abbreviated PSN, is an entertainment service provided by Sony Computer Entertainment for use with the PlayStation family of video game consoles, Sony tablets, smartphones, Blu-ray players and HDTVs.

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Raster graphics

In computer graphics, a raster graphics image is a dot matrix data structure representing a generally rectangular grid of pixels, or points of color, viewable via a monitor, paper, or other display medium.

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Script Creation Utility for Maniac Mansion (SCUMM) is a scripting language developed at LucasArts (known at the time as Lucasfilm Games) to ease development of the graphical adventure game Maniac Mansion, but since developed to be used as an engine for several more LucasArts adventure games.

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ScummVM is a collection of game engine recreations.

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Seam carving

Seam carving (also known as image retargeting, content-aware image resizing, content-aware scaling, liquid resizing, or liquid rescaling), is an algorithm for image resizing, developed by Shai Avidan, of Mitsubishi Electric Research Laboratories (MERL), and Ariel Shamir, of the Interdisciplinary Center and MERL.

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Sonic's Ultimate Genesis Collection

Sonic's Ultimate Genesis Collection, known as the Sega Mega Drive Ultimate Collection in PAL regions, is a compilation of video games developed by Backbone Entertainment for the PlayStation 3 and Xbox 360 consoles.

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Spatial anti-aliasing

In digital signal processing, spatial anti-aliasing is the technique of minimizing the distortion artifacts known as aliasing when representing a high-resolution image at a lower resolution.

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Spline interpolation

In the mathematical field of numerical analysis, spline interpolation is a form of interpolation where the interpolant is a special type of piecewise polynomial called a spline.

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Structural similarity

The structural similarity (SSIM) index is an Emmy-award winning method for predicting the perceived quality of digital images and videos, that was first developed in the (LIVE) at and in subsequent collaboration with New York University.

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Supersampling is a spatial anti-aliasing method, i.e. a method used to remove aliasing (jagged and pixelated edges, colloquially known as "jaggies") from images rendered in computer games or other computer programs that generate imagery.

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Thumbnails are reduced-size versions of pictures, used to help in recognizing and organizing them, serving the same role for images as a normal text index does for words.

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Vector graphics

Vector graphics is the use of geometrical primitives such as points, lines, curves, and shapes or polygons—all of which are based on mathematical expressions—to represent images in computer graphics.

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Video game

A video game is an electronic game that involves human interaction with a user interface to generate visual feedback on a video device such as a TV screen or computer monitor.

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Video game console emulator

A video game console emulator is a type of emulator that allows a computing device, usually a personal computer, but also other video game consoles and mobile devices running operating systems such as Android to emulate a video game console's hardware and behavior and play games for that platform.

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Virtual Console

, sometimes abbreviated as VC, is a specialized section of the Wii Shop Channel and Nintendo eShop online services that allow players to purchase and download games and other software for Nintendo's Wii and Wii U home gaming consoles and the Nintendo 3DS portable gaming console.

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VisualBoyAdvance (commonly abbreviated as VBA) is a free emulator of the Game Boy, Game Boy Color, and Game Boy Advance handheld game consoles as well as of Super Game Boy and Super Game Boy 2.

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Xbox Live

Xbox Live (trademarked as Xbox LIVE) is an online multiplayer gaming and digital media delivery service created and operated by Microsoft.

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ZSNES is a free software SNES emulator written mostly in x86 assembly with official ports for Linux, DOS, Mac OS X, Windows, and an unofficial port for Xbox.

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[1] https://en.wikipedia.org/wiki/Image_scaling

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