IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD AND PROGRAM

• Main Authors: KAJIWARA YASUHIRO, HASHIMOTO YASUKO, TAKAZAWA KAZUHIRO, MATSUSHITA KAZUFUMI, SHIRATAKA YASUKO, SADASUE TAMON, AOKI MASARU
• Format: Patent
• Language: English; Japanese
• Published: 22.08.2016
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS; SIGNALLING; TRAFFIC CONTROL SYSTEMS

PROBLEM TO BE SOLVED: To provide an image processing device, image processing method and program capable of reducing a load of image processing.SOLUTION: The image processing device includes: extraction means for extracting a feature point of a subject in a frame of a video image picked up by at least one imaging means in two imaging means; matching means for performing a matching operation for retrieving a feature point that coincides with a feature point in the next frame of a frame with the feature point reflected therein; determination means for determining whether the feature point disappears in the next frame on the basis of a result of the matching operation; prediction means for acquiring a prediction point at which the position of the disappeared feature point is predicted on the basis of an operation of a replacement point that replaces the disappeared feature point in the case that the determination means determines that the feature point disappears; and return means for returning a point based on the prediction point as a feature point being a tracking object in the case that the point based on the prediction point coincides with the feature point before disappearance.SELECTED DRAWING: Figure 6 【課題】画像処理の負荷を低減することができる画像処理装置、画像処理方法およびプログラムを提供する。【解決手段】２つの撮像手段のうち少なくとも一方の撮像手段により撮像された映像のフレームにおいて被写体の特徴点を抽出する抽出手段と、特徴点が写っているフレームの次のフレームで、その特徴点と一致する特徴点を検索するマッチング動作を行うマッチング手段と、マッチング動作の結果に基づいて、特徴点が次のフレームで消失したか否かを判定する判定手段と、判定手段によって特徴点が消失したと判定された場合、消失した特徴点を代替する代替点の動きに基づいて、消失した特徴点の位置を予測した予測点を求める予測手段と、予測点に基づく点と、消失する前の特徴点とが一致する場合、予測点に基づく点を、追跡対象である特徴点として復帰させる復帰手段と、を備える。【選択図】図６