BRAIN · AI Knowledge Graph

Pixel-wise OCR Preprocessing with Colour & Spatial Distances

Interactive semantic map of the proposed kernel-based preprocessing method for Tesseract OCR, SmartDoc experiments, colour and spatial distance formulas, clipping and normalisation, comparisons with classical filters, parameter search, accuracy–runtime trade-offs and future adaptive extensions.

Search nodes

Node groups

Selected item

Select a node or edge to inspect its relations.

Drag nodes · Scroll to zoom · Click nodes and edges · Filter categories from the sidebar

Semantic representation derived from the article for educational and research exploration.