All articles starting with I
13,727 articles
Imageboard
Imageboard: an anonymous online forum where threads start with a posted image. Originating with Japan's Futaba Channel (2chan, 2001) and spreading via 4chan (2003), imageboards feature ephemeral threads, little moderation, and links to far-right politics and NCII abuse.
ImageJ
ImageJ is public domain Java software for processing and analyzing scientific images, created by Wayne Rasband at NIH in 1997 and widely used in biological image analysis.
ImageMagick
ImageMagick is a free, open-source suite of command-line tools and C libraries for creating, editing, composing, and converting bitmap images in over 90 formats, first released in 1990 after development at DuPont.
Imagen (text-to-image model)
Imagen, also known as Google Imagen, is a family of text-to-image diffusion models developed by Google and first presented in May 2022, which turn written descriptions into photorealistic images.
Imagen 3
Imagen 3 is a latent-diffusion text-to-image model released by Google in 2024, the third Imagen generation, behind image generation in ImageFX and Gemini during 2024 and 2025.
Imagen 4
Imagen 4 is a proprietary text-to-image latent diffusion model released by Google in May 2025, with improved spelling and typography as its headline advance over Imagen 3.
Imagen Video
Imagen Video was a text-to-video AI system announced by Google Research in October 2022, generating short high-definition clips from written prompts through a cascade of seven diffusion models.
ImageNet
ImageNet is a large image database of over 14 million images organized by the WordNet hierarchy, whose annual ILSVRC competition drove the advances in deep learning of the 2010s.
ImageReward
ImageReward is a human-preference reward model and automatic metric for text-to-image generation, published at NeurIPS 2023 and trained on roughly 137,000 pairs of expert comparisons of generated images.
Imagery of nude celebrities
Imagery of nude celebrities, also called naked or nude celebrities on the internet, covers sanctioned magazine pictorials, paparazzi shots, hacked leaks such as the 2014 celebrity photo hack, and fabricated images, with their print history, markets, and legal responses.
Imagery rescripting
Imagery rescripting (ImRs) is a psychotherapy technique in which a patient recalls a distressing mental image, usually a memory, and imaginatively changes it with corrective information.
Images (film)
Images (1972) is Robert Altman's psychological horror film, his first British production, starring Susannah York as a children's author unraveling in the Irish countryside; York won Cannes Best Actress 1972.
Images and Words
Images and Words (1992) is Dream Theater's second studio album, first with vocalist James LaBrie, released on ATCO Records; gold-certified, with the top-10 hit "Pull Me Under".
Imaginal disc
Imaginal discs are epithelial sacs set aside in insect larvae that form adult structures at metamorphosis; Drosophila has 19, including wing, leg, and eye-antennal discs, studied for patterning, regeneration, and transdetermination.
Imaginal Disk
Imaginal Disk is the second studio album by Magdalena Bay (Mica Tenenbaum, Matthew Lewin), released August 23, 2024 on Mom+Pop; a 15-track, 53:35 concept album about character True's forehead disk upgrade, scoring 85 on Metacritic.
Imaginal Disk (film)
Imaginal Disk (film), also marketed as Magdalena Bay's Imaginal Disk, is a 2026 American experimental sci-fi romantic musical visual album directed by Amanda Kramer, companion to the duo's 2024 album, premiering at Tribeca on June 4, 2026, with a DVD release set for January 27, 2027.
Imaginal exposure
Imaginal exposure is a psychotherapy technique in which a client repeatedly and vividly imagines a feared situation or trauma memory until anxiety and avoidance decline.
Imaginary
Imaginary is a 2024 American supernatural horror film directed by Jeff Wadlow, starring DeWanda Wise, about an abandoned imaginary friend returning through a teddy bear.
Imaginary friend
An imaginary friend, in developmental psychology an imaginary companion (IC), is a fictitious person, animal, or object created by a child, considered common healthy pretend play rather than a sign of disturbance.
Imaginary Homelands
Imaginary Homelands: Essays and Criticism 1981–1991 is a 1991 essay collection by Salman Rushdie, whose title essay argues that expatriate writers reconstruct their birth countries from memory.
Imaginary number
An imaginary number, also called a purely imaginary number, is a number whose square is negative, such as multiples of the imaginary unit i, where i squared equals −1.
Imaginary time
Imaginary time is a mathematical device in quantum mechanics in which time is continued to imaginary values by a Wick rotation, turning quantum dynamics into statistical mechanics.
Imaginary unit
The imaginary unit is the number i, also known as the square root of minus one, whose square is -1; it extends the real numbers to the complex numbers.
Imaginary Venture Capital Partners
Imaginary Venture Capital Partners, trading as Imaginary Ventures, is a New York venture capital firm founded by Natalie Massenet and Nick Brown that invests in consumer businesses.
Imaginary voyage
An imaginary voyage is a prose fiction presenting a fictional journey in the form of a genuine travel account, popular in Britain and France in the 17th and 18th centuries.
Imagination
Imagination, or phantasia, is the capacity to represent non-actual possibilities, other times, and other perspectives without believing them; studied in philosophy, psychology, and cognitive neuroscience, spanning mental imagery, mindreading, pretense, creativity, and episodic future thinking.
Imagination Technologies
Imagination Technologies, formerly VideoLogic and also known as ImgTec, is a semiconductor company founded in 1985 that licenses its PowerVR GPU designs, shipped in billions of devices, to chipmakers.
Imagine (John Lennon album)
Imagine (1971) is John Lennon's second solo album, produced with Yoko Ono and Phil Spector at Ascot Sound Studios, Tittenhurst Park. It topped charts in seven countries, contains Jealous Guy and How Do You Sleep?, and its title song became Lennon's best-selling single.
Imagine Dragons
Imagine Dragons: Las Vegas pop-rock band formed 2008 (Dan Reynolds, Wayne Sermon, Ben McKee, Daniel Platzman). Breakthrough album Night Visions (2012); 'Radioactive' won a 2014 Grammy and is RIAA Diamond. Albums through Loom (2024); Platzman left in 2024.
Imagine Dragons discography
Imagine Dragons discography: seven studio albums by the Las Vegas rock band, from Night Visions (2012) through Loom (2024), plus EPs, live albums, and soundtrack singles such as Radioactive, Believer, Thunder, and Enemy.