JP5160643B2 - 2次元画像からの3次元オブジェクト認識システム及び方法 - Google Patents
2次元画像からの3次元オブジェクト認識システム及び方法 Download PDFInfo
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
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Description
Claims (22)
- 3次元捕捉方法であって、
シーンの少なくとも2つの2次元画像を捕捉するステップと、
前記少なくとも2つの2次元画像に第1の奥行き捕捉機能を適用するステップと、
前記少なくとも2つの2次元画像に第2の奥行き捕捉機能を適用するステップと、
前記少なくとも2つの2次元画像のピクセルの局所的な視覚的特徴に基づき、前記第1の奥行き捕捉機能の出力に第1の重み値を適用し、前記第2の重み捕捉機能の出力に第2の重み値を適用するステップと、
前記第1の奥行き捕捉機能の出力を前記第2の奥行き捕捉機能の出力と合成するステップと、
合成した前記第1と第2の奥行き捕捉機能の出力から差異マップを生成するステップとを有する、方法。 - 前記差異マップから奥行きマップを生成するステップをさらに有する、
請求項1に記載の方法。 - 前記合成するステップは、前記第1の奥行き捕捉機能の出力を前記第2の奥行き捕捉機能の出力にレジスタするステップを含む、
請求項1に記載の方法。 - 前記レジスタするステップは、前記第1の奥行き捕捉機能の出力と前記第2の奥行き捕捉機能の出力の奥行きスケールを調整するステップを含む、
請求項3に記載の方法。 - 前記合成するステップは、前記第1の奥行き捕捉機能の出力を前記第2の奥行き捕捉機能の出力と平均するステップを含む、
請求項1に記載の方法。 - 前記少なくとも2つの2次元画像は立体視ペアの左目ビューと右目ビューとを含み、前記左目画像と右目画像の対応するピクセルペアの左目画像のピクセルの強度により前記第1の重み値を決める、
請求項1に記載の方法。 - 生成した前記最マップから前記シーンの3次元モデルを再構成するステップをさらに有する、
請求項1に記載の方法。 - 前記少なくとも2つの2次元画像を位置合わせするステップをさらに有する、
請求項1に記載の方法。 - 前記位置合わせするステップは、前記少なくとも2つの2次元画像の特徴をマッチさせるステップをさらに含む、
請求項8に記載の方法。 - 前記少なくとも2つの2次元画像に少なくとも第3の奥行き捕捉機能を適用するステップと、
前記少なくとも2つの2次元画像に少なくとも第4の奥行き捕捉機能を適用するステップと、
前記第3の奥行き捕捉機能の出力を前記第4の奥行き捕捉機能の出力と合成するステップと、
合成した前記第3と第4の奥行き捕捉機能の出力から第2の差異マップを生成するステップと、
合成した前記第1と第2の奥行き捕捉機能の出力から生成した前記差異マップを、合成した前記第3と第4の奥行き捕捉機能の出力から生成した前記第2の差異マップと合成するステップとをさらに有する、
請求項1に記載の方法。 - 2次元画像から3次元情報を捕捉するシステムであって、
シーンの少なくとも2つの2次元画像を捕捉する手段と、
前記少なくとも2つの2次元画像に第1の奥行き捕捉機能を適用し、前記少なくとも2つの2次元画像に第2の奥行き捕捉機能を適用し、前記少なくとも2つの2次元画像のピクセルの局所的な視覚的特徴に基づき、前記第1の奥行き捕捉機能の出力に第1の重み値を適用し、前記第2の奥行き捕捉機能の出力に第2の重み値を適用し、前記第1の奥行き捕捉機能の出力を前記第2の奥行き捕捉機能の出力と合成する3次元捕捉モジュールとを有する、システム。 - 合成した前記第1と第2の奥行き捕捉機能の出力から奥行きマップを生成するように構成された奥行きマップ生成器をさらに有する、
請求項11に記載のシステム。 - 前記3次元捕捉モジュールは、合成した前記第1と第2の奥行き捕捉機能の出力から差異マップを生成するようにさらに構成された、
請求項11に記載のシステム。 - 前記3次元捕捉モジュールは前記第1の奥行き捕捉機能の出力を前記第2の奥行き捕捉機能の出力にレジスタするようにさらに構成された、
請求項11に記載のシステム。 - 前記第1の奥行き捕捉機能の出力と前記第2の奥行き捕捉機能の出力の奥行きスケールを調整するように構成された奥行き調整器をさらに有する、
請求項14に記載のシステム。 - 前記3次元捕捉モジュールは前記第1の奥行き捕捉機能の出力を前記第2の奥行き捕捉機能の出力と平均するようにさらに構成された、
請求項11に記載のシステム。 - 前記少なくとも2つの2次元画像は立体視ペアの左目ビューと右目ビューとを含み、前記左目画像と右目画像の対応するピクセルペアの左目画像のピクセルの強度により前記第1の重み値を決める、
請求項11に記載のシステム。 - 生成した前記奥行きマップから前記シーンの3次元モデルを再構成するように構成された3次元再構成モジュールをさらに有する、
請求項13に記載のシステム。 - 前記3次元捕捉モジュールは前記少なくとも2つの2次元画像を位置合わせするようにさらに構成された、
請求項11に記載のシステム。 - 前記少なくとも2つの2次元画像の特徴をマッチさせるように構成された特徴点検出器をさらに有する、
請求項19に記載のシステム。 - 前記3次元捕捉モジュールは、
前記少なくとも2つの2次元画像に少なくとも第3の奥行き捕捉機能を適用し、
前記少なくとも2つの2次元画像に少なくとも第3の奥行き捕捉機能を適用し、
第3の奥行き捕捉機能の出力を第4の奥行き捕捉機能の出力と合成し、
合成した前記第1と第2の奥行き捕捉機能の出力を、合成した前記第3と第4の奥行き捕捉機能の出力と合成する、
請求項11に記載のシステム。 - 機械により読み取り可能であり、2次元画像から3次元情報を捕捉する方法ステップを実行する、前記機械により実行可能な命令のプログラムを化体したプログラム記憶デバイスであって、前記方法は、
シーンの少なくとも2つの2次元画像を捕捉するステップと、
前記少なくとも2つの2次元画像に第1の奥行き捕捉機能を適用するステップと、
前記少なくとも2つの2次元画像に第2の奥行き捕捉機能を適用するステップと、
前記少なくとも2つの2次元画像のピクセルの局所的な視覚的特徴に基づき、前記第1の奥行き捕捉機能の出力に第1の重み値を適用し、前記第2の奥行き捕捉機能の出力に第2の重み値を適用するステップと、
前記第1の奥行き捕捉機能の出力を前記第2の奥行き捕捉機能の出力と合成するステップと、
合成した前記第1と第2の奥行き捕捉機能の出力から差異マップを生成するステップとを有する、プログラム記憶デバイス。
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PCT/US2007/015891 WO2009008864A1 (en) | 2007-07-12 | 2007-07-12 | System and method for three-dimensional object reconstruction from two-dimensional images |
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