IMAGE PROCESSING DEVICE, IMAGING DEVICE, INFORMATION PROCESSING DEVICE, DETECTION DEVICE, ROADSIDE DEVICE, IMAGE PROCESSING METHOD, AND CALIBRATION METHOD
An image processing device 10 has an image interface 18, a memory 19, and a controller 20. The image interface 18 acquires a captured image. The memory 19 stores the position of each of a plurality of specific feature points in a world coordinate system and a reference position of each of the plural...
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Format | Patent |
Language | English French Japanese |
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22.07.2021
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Abstract | An image processing device 10 has an image interface 18, a memory 19, and a controller 20. The image interface 18 acquires a captured image. The memory 19 stores the position of each of a plurality of specific feature points in a world coordinate system and a reference position of each of the plurality of specific feature points. The controller 20 detects the plurality of specific feature points in the captured image. The controller 20 recalculates calibration parameters if the positions of a predetermined percentage or more of the plurality of feature points in the captured image are shifted from the reference positions.
L'invention concerne un dispositif de traitement d'image (10) muni d'une interface d'image (18), d'une mémoire (19) et d'un dispositif de commande (20). L'interface d'image (18) acquiert une image capturée. La mémoire (19) stocke la position de chaque point d'une pluralité de points caractéristiques spécifiques dans un système de coordonnées universelles et une position de référence de chaque point de la pluralité de points caractéristiques spécifiques. Le dispositif de commande (20) détecte la pluralité de points caractéristiques spécifiques dans l'image capturée. Le dispositif de commande (20) calcule des paramètres d'étalonnage si les positions d'au minimum un pourcentage prédéterminé de la pluralité de points caractéristiques dans l'image capturée sont décalées par rapport aux positions de référence.
画像処理装置10は、画像インターフェース18とメモリ19とコントローラ20とを有する。画像インターフェース18は撮像画像を取得する。メモリ19は複数の特定の特徴点それぞれのワールド座標系の位置と複数の特定の特徴点それぞれの基準位置を記憶する。コントローラ20は撮像画像における複数の特定の特徴点を検出する。コントローラ20は複数の特徴点の中の所定の割合以上の撮像画像における位置が基準位置から変化している場合較正パラメータを再算出する。 |
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AbstractList | An image processing device 10 has an image interface 18, a memory 19, and a controller 20. The image interface 18 acquires a captured image. The memory 19 stores the position of each of a plurality of specific feature points in a world coordinate system and a reference position of each of the plurality of specific feature points. The controller 20 detects the plurality of specific feature points in the captured image. The controller 20 recalculates calibration parameters if the positions of a predetermined percentage or more of the plurality of feature points in the captured image are shifted from the reference positions.
L'invention concerne un dispositif de traitement d'image (10) muni d'une interface d'image (18), d'une mémoire (19) et d'un dispositif de commande (20). L'interface d'image (18) acquiert une image capturée. La mémoire (19) stocke la position de chaque point d'une pluralité de points caractéristiques spécifiques dans un système de coordonnées universelles et une position de référence de chaque point de la pluralité de points caractéristiques spécifiques. Le dispositif de commande (20) détecte la pluralité de points caractéristiques spécifiques dans l'image capturée. Le dispositif de commande (20) calcule des paramètres d'étalonnage si les positions d'au minimum un pourcentage prédéterminé de la pluralité de points caractéristiques dans l'image capturée sont décalées par rapport aux positions de référence.
画像処理装置10は、画像インターフェース18とメモリ19とコントローラ20とを有する。画像インターフェース18は撮像画像を取得する。メモリ19は複数の特定の特徴点それぞれのワールド座標系の位置と複数の特定の特徴点それぞれの基準位置を記憶する。コントローラ20は撮像画像における複数の特定の特徴点を検出する。コントローラ20は複数の特徴点の中の所定の割合以上の撮像画像における位置が基準位置から変化している場合較正パラメータを再算出する。 |
Author | ARATA Koji HATTORI Shigeto SAWADA Ryuichi TANIGAWA Hironobu |
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DocumentTitleAlternate | DISPOSITIF DE TRAITEMENT D'IMAGE, DISPOSITIF D'IMAGERIE, DISPOSITIF DE TRAITEMENT D'INFORMATIONS, DISPOSITIF DE DÉTECTION, DISPOSITIF DE BORD DE ROUTE, PROCÉDÉ DE TRAITEMENT D'IMAGE ET PROCÉDÉ D'ÉTALONNAGE 画像処理装置、撮像装置、情報処理装置、検出装置、路側機、画像処理方法、及び較正方法 |
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SubjectTerms | ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES IMAGE DATA PROCESSING OR GENERATION, IN GENERAL LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SIGNALLING TESTING TRAFFIC CONTROL SYSTEMS |
Title | IMAGE PROCESSING DEVICE, IMAGING DEVICE, INFORMATION PROCESSING DEVICE, DETECTION DEVICE, ROADSIDE DEVICE, IMAGE PROCESSING METHOD, AND CALIBRATION METHOD |
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