November 2018
Intermediate to advanced
272 pages
6h 51m
Japanese
book
エレガントなSciPy ―Pythonによる科学技術計算
by Juan Nunez-Iglesias, Stéfan van der Walt, Harriet Dashnow, 山崎 邦子, 山崎 康宏
Content preview from エレガントなSciPy ―Pythonによる科学技術計算
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70
3 章 ndimage を使った画像領域のネットワーク
3.6
領域隣接グラフ
RAG
は、領域分割（セグメンテーション）に役立つ画像の表現方法です。領域分割とは、画像
を意味のある領域（セグメント）に分割することです。『ターミネーター
2
』を観たことがある人
は、領域分割を見たことがあります（図
3-19
）。 ■
領域分割は、人間が無意識にやっていることなのに、コンピュータが苦労する種類の問題の
1
つです。この大変さを理解するために、以下の画像を見てください。■
あなたが顔を認識しているとき、コンピュータには数字の羅列しか見えません。
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