noun
picture descriptor; PD
Technical computing term for a data structure that describes a picture or graphical element.
この画像処理ライブラリでは、図形記述子を使って形状を表現する。
This image processing library uses picture descriptors to represent shapes.
Compound of 図形 (figure, shape) + 記述子 (descriptor), a direct translation of the English computing term 'picture descriptor'.