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Camera matrix
The camera matrix, also called the projection matrix, is the 3 × 4 matrix that maps 3D world points to 2D image points under a pinhole camera model.
Camera pose estimation
Camera pose estimation is the task of computing a camera's position and orientation, its six-degree-of-freedom pose, from image data, underpinning visual SLAM, visual odometry, and Structure from Motion.
Camera resectioning
Camera resectioning, also known as geometric camera calibration, is the problem of finding a camera's position and orientation in space from known scene points and their corresponding image positions.
Caml
Caml, an acronym for Categorical Abstract Machine Language, is a general-purpose ML-family programming language developed at INRIA in France since 1984 and best known through its main implementation, OCaml.
Campus network
A campus network, or campus area network, is the data network an organization owns and operates to connect its buildings, most often at a university or college.
Camtasia
Camtasia, also known as Camtasia Studio, is screen recording and video editing software from TechSmith for Windows and macOS, used chiefly for tutorials, software demonstrations, and training content.
CAN FD
CAN FD (CAN with Flexible Data-rate) is a Controller Area Network data link layer protocol introduced by Bosch in 2012, raising payload from 8 to 64 bytes.
CAN protocol
Controller Area Network (CAN) is a message-based serial bus protocol, standardized in ISO 11898, that lets microcontrollers communicate over a shared pair of wires using priority-based identifiers.
Canada permanent resident card
The Canada permanent resident card, also called the Maple Leaf Card, is a document issued by Immigration, Refugees and Citizenship Canada as official proof of permanent resident status.
Canalys
Canalys was a global technology market analyst firm, established in 1998 and known for smartphone shipment tracking and channel research, acquired by Informa TechTarget in 2023 and absorbed into Omdia in 2025.
Canary release
A canary release exposes a new software version to a small share of production traffic before a full rollout, named after canaries in coal mines.
Canary trap
A canary trap, also known as a barium meal, is a counterintelligence technique for identifying leakers by giving each suspect a uniquely altered version of a document.
Candice Gerstner
Candice Gerstner is an American applied research mathematician at the National Security Agency who works on deepfake detection and multimedia forensics and received a PECASE award.
Cangjie (programming language)
Cangjie (仓颉) is a multi-paradigm, statically typed programming language developed by Huawei for building HarmonyOS Next mobile apps and cloud-side microservices, introduced publicly in June 2024.
Canny edge detection
Canny edge detection is a multi-stage image processing algorithm that detects edges in digital images, introduced by John Canny in 1986 and still the classical baseline.
Canny edge detector
The Canny edge detector, also called the Canny operator, is a multi-stage algorithm for finding edges in images, developed by John F. Canny at MIT in 1983.
Canonical (company)
Canonical is a privately held software company founded by Mark Shuttleworth in 2004 that publishes Ubuntu, a free Linux distribution, earning revenue from services and subscriptions.
CANopen
CANopen is a higher-layer communication protocol and device-profile framework built on the CAN bus, standardized by the CAN in Automation group and internationally as EN 50325-4.
Canton Network
Canton Network is a privacy-enabled blockchain network for institutional finance, announced in 2023 by Digital Asset and Goldman Sachs, Microsoft, and BNP Paribas; its Global Synchronizer and Canton Coin token went live in 2024.
Canva
Canva, also known as Canva.com, is an Australian web-based graphic design platform that reached $4 billion in annual recurring revenue by the end of 2025.
Canva Magic Studio
Canva Magic Studio is the umbrella name for Canva's bundled generative AI design features, launched October 4, 2023, and retired in 2026 in favor of Canva AI.
Canvas API
The Canvas API is a web platform interface for drawing 2D graphics through JavaScript on the HTML canvas element, used for animation, game graphics, data visualization, and photo manipulation.
Canvas LMS
Canvas LMS is a web-based learning management system developed by Instructure and launched in 2011, now the dominant LMS in US higher education with over 30 million users.
CAP theorem
The CAP theorem, also called Brewer's theorem, states that a distributed system cannot guarantee consistency, availability, and partition tolerance simultaneously; it was proved by Seth Gilbert and Nancy Lynch in 2002.
capa (software)
capa is a free, open-source tool from Mandiant's FLARE team, first released in 2020, that identifies malware capabilities such as HTTP communication or RC4 encryption.
Capability Hardware Enhanced RISC Instructions
Capability Hardware Enhanced RISC Instructions (CHERI) is a processor architecture extension that replaces pointers with hardware capabilities carrying bounds and permissions, begun at the University of Cambridge in 2010.
Capability Maturity Model
The Capability Maturity Model (CMM) is a five-level framework for assessing and improving software development processes, developed at Carnegie Mellon University with US Department of Defense sponsorship.
Capability Maturity Model Integration
Capability Maturity Model Integration, or CMMI, is a process and performance maturity framework for product, service, and supplier development, rated through a five-level maturity scale and formal appraisal.
Capability-based security
Capability-based security is a model of access control in which authority is held as unforgeable references called capabilities, introduced by Jack Dennis and Earl Van Horn in 1966.
Capcom Cup
Capcom Cup is Capcom's annual Street Fighter world championship, first held in 2013, where players qualify through the Capcom Pro Tour for a $1 million grand prize.