JP2021529389A - 人体ポーズ分析システム及び方法 - Google Patents
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Abstract
Description
画像から人体関連画像特徴を抽出する特徴抽出モジュール810
2D人体関節位置を推定する2D人体骨格検出モジュール812
人体輪郭を識別し、セグメント化する人体輪郭検出モジュール814
手の輪郭を識別し、セグメント化する手の輪郭検出モジュール816
3D人体関節位置を推定する3D人体骨格検出モジュール818
顔面キーポイント位置を推定する顔面キーポイント検出モジュール820
手関節位置を推定する手骨格検出モジュール822
Claims (8)
- 画像から人体関連画像特徴を抽出する特徴抽出器であって、基準画像のデータセットを含み、複数の第1 CNN層を含む第1 CNNアーキテクチャを備えたデータベースに接続可能であり、各畳込み層が、トレーニングされたカーネル重み、及び以下のモジュールのうち少なくとも1つ、すなわち、
人体関連画像特徴から2D人体骨格情報を特定する2D人体骨格検出器、
人体関連画像特徴から人体輪郭情報を特定する人体輪郭検出器、
人体関連画像特徴から手の輪郭を特定する手の輪郭検出器、
人体関連画像特徴から手骨格を特定する手骨格検出器、
人体関連画像特徴から3D人体骨格を特定する3D人体骨格検出器、
人体関連画像特徴から顔面キーポイントを特定する顔面キーポイント検出器、のうち少なくとも1つを使用して、その入力データに畳込み演算を適用するものを備え、
2D人体骨格検出器、人体輪郭検出器、手の輪郭検出器、手骨格検出器、3D人体骨格検出器及び顔面キーポイント検出器の各々は、複数の第2 CNN層を含む第2畳込みニューラルネットワーク(CNN)アーキテクチャを備える、
ことを特徴とする、画像から人体ポーズ情報を抽出するシステム。 - 前記特徴抽出器は、画像から低レベル特徴を抽出する低レベル特徴抽出器と、
中間特徴を抽出する中間特徴抽出器とを備え、低レベル特徴及び中間特徴は共に人体関連画像特徴を形成する、
ことを特徴とする請求項2に記載のシステム。 - 前記第1及び第2アーキテクチャのうちの少なくとも1つが、ディープCNNアーキテクチャを備えることを特徴とする請求項1又は2に記載のシステム。
- 前記第1及び第2 CNN層のうちの1つが軽量層を含むことを特徴とする請求項1から3までのいずれか1項に記載のシステム。
- 画像を受け取るステップ、
特徴抽出器を使用して画像から人体関連画像特徴を抽出し、該特徴抽出器は、基準画像のデータセットを含み、複数の第1 CNN層を含む第1畳込みニューラルネットワーク(CNN)アーキテクチャを備えたデータベースに接続可能であり、各畳込み層が、トレーニングされたカーネル重みを使用してその入力データに畳込み演算を適用するステップ、
以下のモジュールのうち少なくとも1つ、すなわち、
人体関連画像特徴から2D人体骨格情報を特定する2D人体骨格検出器、
人体関連画像特徴から人体輪郭情報を特定する人体輪郭検出器、
人体関連画像特徴から手の輪郭を特定する手の輪郭検出器、
人体関連画像特徴から手の骨格を特定する手の骨格検出器、
人体関連画像特徴から3D人体骨格を特定する3D人体骨格検出器、
人体関連画像特徴から顔面キーポイントを特定する顔面キーポイント検出器、
のうちの少なくとも1つを使用して人体ポーズ情報を特定するステップから構成され、
2D人体骨格検出器、人体輪郭検出器、手の輪郭検出器、手骨格検出器、3D人体骨格検出器及び顔面キーポイント検出器の各々は、複数の第2 CNN層を含む第2畳込みニューラルネットワーク(CNN)アーキテクチャを備えることを特徴とする、
画像から人体ポーズ情報を抽出する方法。 - 前記特徴抽出器は、画像から低レベル特徴を抽出する低レベル特徴抽出器と、
中間特徴を抽出する中間特徴抽出器とを備え、低レベル特徴及び中間特徴は共に、人体関連画像特徴を形成する、
ことを特徴とする請求項5に記載の方法。 - 前記第1及び第2アーキテクチャのうちの少なくとも1つが、ディープCNNアーキテクチャを備えることを特徴とする請求項5又は6に記載の方法。
- 前記第1及び第2 CNN層のうちの1つが軽量層を含むことを特徴とする請求項5から7までのいずれか1項に記載の方法。
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