Glossary Library

Technical GlossaryComputer Vision

Chart Understanding

A task that converts bar charts, line graphs, and similar visual presentations into structured data and semantic interpretation.

Chart understanding is the problem of reading visual data presentations in a human-like way. Axes, legends, series, data points, and annotations must all be interpreted together. This is highly important for financial reports, business intelligence documents, and scientific publications. It is one of the strong problem areas at the intersection of Document AI and visual analytics.

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Template-Based Extraction

A controlled extraction approach focused on obtaining structured information from predefined document or expression patterns.

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De-identification

The process of masking personal or sensitive information in text to enable safer processing.

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Image Normalization

A preprocessing step that brings pixel values into a defined range or distribution to make model training more stable.