Glossary: Letter O

A computer vision task that identifies and locates objects within images or video frames by drawing bounding boxes and assigning class labels. Popular architectures include YOLO, SSD, and Faster R-CNN...

An object-oriented programming language that adds Smalltalk-style messaging to C. Objective-C was the primary language for macOS and iOS development before Swift and is still found in many legacy Appl...

The ability to measure the internal state of a system by examining its external outputs. Observability is built on three pillars: metrics (quantitative measurements), logs (event records), and traces...

A protocol originally created by Facebook that enables web pages to become rich objects in a social graph. Open Graph meta tags control how URLs are displayed when shared on social media, specifying t...

OpenAPI Specification (formerly Swagger): a standard for describing RESTful APIs enabling automatic documentation, SDK generation, and testing.

An open-source observability framework that provides a unified set of APIs, SDKs, and tools for collecting telemetry data (traces, metrics, logs) from applications. OpenTelemetry is vendor-neutral and...

A technology that converts images of text, such as scanned documents, photos, or PDFs, into machine-readable and editable text. Modern OCR uses deep learning to handle diverse fonts, handwriting, and...

A versatile, open, royalty-free audio codec developed by the IETF. It excels at both voice and music compression, offering the best quality-per-bit ratio of any audio codec.

An Emacs major mode document format for note-taking, task management, and literate programming. Supports outlining, tables, code blocks, and export to HTML/PDF/LaTeX.

A modeling error that occurs when a machine learning model learns the training data too well, including its noise and outliers, resulting in poor performance on unseen data. Overfitting indicates the...