OBJECT POSITION ESTIMATION DEVICE

To estimate the position of a subject included in a photographed image by simpler processing.SOLUTION: An object position estimation device 10 comprises: an absolute distance acquisition section 12 that acquires absolute distance information on each of a plurality of pixels included in a set region,...

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Bibliographic Details
Main Authors KOBAYASHI KOYO, SUGIE TAKUYA, TAKAGI JUMPEI
Format Patent
LanguageEnglish
Japanese
Published 11.01.2024
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Summary:To estimate the position of a subject included in a photographed image by simpler processing.SOLUTION: An object position estimation device 10 comprises: an absolute distance acquisition section 12 that acquires absolute distance information on each of a plurality of pixels included in a set region, which is at least a part of a region of a first image; a relative distance acquisition section 13 that acquires relative distance information on each pixel included in a second image where a person is present in a photographic range; an object region estimation section 14 that estimates an object region where the person is present in the second image; a coefficient calculation section 15 that calculates a conversion coefficient for converting the relative distance information into the absolute distance information on the basis of a correspondence between the absolute distance information and the relative distance information for each pixel in an invariable region; and a distance calculation section 16 that calculates an absolute distance from an imaging section 20 to the person by converting the relative distance information on the pixel included in the object region of the second image by the conversion coefficient.SELECTED DRAWING: Figure 1 【課題】撮像された画像に含まれる被写体の位置をより簡易な処理によって推定する。【解決手段】物体位置推定装置10は、第1画像の少なくとも一部の領域である設定領域に含まれる複数の画素の各々についての絶対距離情報を取得する絶対距離取得部12と、撮影範囲に人が存在する状態の第2画像に含まれる各画素についての相対距離情報を取得する相対距離取得部13と、第2画像において人が存在する物体領域を推定する物体領域推定部14と、不変領域の各画素の絶対距離情報及び相対距離情報の対応関係に基づいて、相対距離情報を絶対距離情報に変換するための変換係数を算出する係数算出部15と、第2画像の物体領域に含まれる画素の相対距離情報を変換係数によって変換することにより、撮像部20から人までの絶対距離を算出する距離算出部16と、を備える。【選択図】図1
Bibliography:Application Number: JP20220101782