All articles starting with D

Deep Impact (film)

Deep Impact is a 1998 American disaster film directed by Mimi Leder, about a comet on a collision course with Earth, starring Morgan Freeman and Téa Leoni.

Deep Impact (spacecraft)

Deep Impact was a NASA spacecraft that deliberately struck comet Tempel 1 on July 4, 2005, the first impact with a comet's nucleus, and later flew by Hartley 2.

Oct 3, 2026

Deep in My Heart (1954) is MGM's biographical musical of composer Sigmund Romberg, directed by Stanley Donen, produced by Roger Edens, starring José Ferrer, Merle Oberon, and Helen Traubel, with guest numbers by Gene and Fred Kelly, Rosemary Clooney, and Ann Miller.

Deep inelastic scattering

Deep inelastic scattering is a particle physics technique in which high-energy leptons scatter off nucleons to probe their quarks and gluons, first observed at SLAC in the late 1960s.

Deep inference

Deep inference is a proof-theoretic methodology in which inference rules apply at any depth inside logical expressions, not just at the root of a formula.

Deep inspiration breath hold

Deep inspiration breath hold (DIBH) is a radiotherapy technique in which patients hold a deep breath during treatment, moving the heart away from the beam to reduce cardiac dose.

Sep 21, 2026

Deep Jariwala

Deep Jariwala is an American-based materials scientist and electrical engineer, a University of Pennsylvania professor known for 2D semiconductors and AlScN ferroelectric memory who joins Oak Ridge in 2027.

Deep knowledge tracing

Deep knowledge tracing (DKT) is a machine learning method, reported by Chris Piech and colleagues in 2015, that uses a recurrent neural network to model a student's evolving knowledge state.

Deep learning

Deep learning is a subset of machine learning using multi-layer neural networks that learn patterns from data without hand-programmed features, powering speech and image recognition.

Deep learning channel estimation

Deep learning channel estimation is the use of neural networks to infer the state of a wireless radio channel, emerging as a research field in the late 2010s.

Deep learning image reconstruction

Deep learning image reconstruction (DLIR, also DLR) is a medical imaging method using deep neural networks to denoise CT images, enabling lower radiation dose or faster scans.

Oct 22, 2026

Deep learning in gravitational-wave astronomy

Deep learning in gravitational-wave astronomy applies neural networks, especially CNNs, to detect and localize gravitational waves and classify glitches, complementing matched filtering in LIGO, Virgo, and KAGRA searches.

Deep learning speech synthesis

Deep learning speech synthesis generates spoken audio from text using neural networks, replacing rule-based and concatenative methods and producing speech nearly indistinguishable from human speech, including zero-shot voice cloning.

Deep learning super sampling

Deep learning super sampling (Nvidia DLSS) is an Nvidia AI technology that raises game frame rates by reconstructing high-resolution images from fewer rendered pixels on RTX GPUs.

Deep learning-based CSI feedback

Deep learning-based CSI feedback uses a neural network at the phone to compress channel state information and one at the base station to reconstruct it, cutting FDD massive MIMO feedback overhead.

Deep learning-based defect detection

Deep learning-based defect detection uses deep neural networks to find, localize, and classify defects in industrial products from image or sensor data, replacing hand-crafted image-processing inspection.

Deep learning-based spectrum sensing

Deep learning-based spectrum sensing uses artificial neural networks trained on radio-frequency data to detect whether spectrum is occupied, replacing classical detectors that fail at low signal-to-noise ratios.

Deep linking

Deep linking is the practice of linking directly to interior pages of a website or specific screens of a mobile app rather than the homepage or entry point.

Deep litter

Deep litter, also called built-up litter, is an animal husbandry method in which bedding is left to accumulate in poultry or livestock housing so microbial decomposition composts manure in place.

Sep 19, 2026

Deep London

Deep London is the stage name of Lita Kupelo, a South African amapiano producer and DJ from East London, best known for the 2022 hit "Hamba Wena".

Deep mapping

Deep mapping is a digital humanities method producing finely detailed, multimedia depictions of a place and its people, buildings, objects, flora, and fauna, presented as a spatially embedded argument.

Deep matrix factorization

Deep matrix factorization (DMF) is a machine learning method that represents a data matrix through a sequence of stacked linear factorizations, used in recommender systems, clustering, and image restoration.

Deep metric learning

Deep metric learning trains a deep neural network to map inputs into an embedding space where distances reflect semantic similarity, used for retrieval, verification, and clustering.

Deep mutational scanning

Deep mutational scanning is a bench biology method that measures how up to about 1 million protein mutations affect function, using pooled selection and high-throughput sequencing to score each variant.

Deep One

Deep Ones: fictional amphibious fish-frog humanoids by H.P. Lovecraft, hinted in Dagon (1917) and named in The Shadow over Innsmouth (1931). Not the 2021 film The Deep Ones. They serve Cthulhu, Dagon, and Hydra, interbreed with humans, and are immortal unless slain.

Deep operation (глубокая операция)

Deep operation (глубокая операция, glubokaya operatsiya), or Soviet deep battle, is the 1920s–1930s Red Army offensive theory of striking enemy defenses throughout their depth with tanks, aviation, artillery, and airborne forces, codified in PU-29 and PU-36.

Deep operator network

A deep operator network, or DeepONet, is a neural network architecture in scientific machine learning that learns mappings between function spaces, approximating solutions of partial differential equations.

Oct 20, 2026

Deep ovarian endometriosis

Deep ovarian endometriosis is deeply infiltrating endometrial disease within the ovary, typically an endometrioma. Also called B5 in ICD-11; scored in rASRM and ENZIAN; diagnosed by transvaginal ultrasound and MRI.