noun
region of interest; ROI
Technical term used in image processing, computer vision, and related fields to refer to a selected subset of an image or dataset for analysis.
画像処理では、まず関心領域を設定します。
In image processing, you first set the region of interest.
このソフトは関心領域内のピクセルだけを分析する。
This software analyzes only the pixels within the region of interest.
ROI is the common English abbreviation, often used in technical documentation alongside 関心領域.
Compound of 関心 (interest, concern) and 領域 (region, area). A direct translation of the English term 'region of interest'.