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あらゆる画像内のオブジェクトを識別して周囲の輪郭を描画します。形状分析、オブジェクトのカウント、境界の視覚化に役立ちます。
画像の輪郭を検出し、閉じた形状、領域、オブジェクト境界の輪郭を描き、セグメンテーションやコンピューター ビジョンのデバッグを行います。
All processing runs locally in your browser. Your files never leave your device — no upload, no server, no signup required.
Contour detection finds continuous curves that form the boundaries of objects in an image. It is used in shape analysis, object counting, gesture recognition, and industrial inspection.
External mode detects only outermost contours (no nested boundaries). All mode returns every contour including holes. Tree mode preserves the parent-child hierarchy.