To provide a road surface information measuring device, a road surface information measuring method, and a program capable of calculating a vehicle speed without associating a distance in a real space with a distance in an image in advance.SOLUTION: In a road surface information measurement system 1, a road surface information measurement device 10 is comprised of: a vehicle detection unit 112 that detects a vehicle traveling on a road surface based on a captured image; a vehicle type determination unit 113 that determines a sort of a vehicle as a vehicle type; a road surface information acquisition unit 114 that acquires information on the road surface corresponding to information on the vehicle type and a length of the vehicle; a movement vector calculation unit 115 that calculates a movement vector of the vehicle based on a plurality of capturing frames; and a vehicle speed calculation unit 116 that calculates a speed of the vehicle based on the movement vector and the information about the road surface.SELECTED DRAWING: Figure 7
【課題】実空間における距離と画像における距離との対応付けをあらかじめ行わずして車速を算出することが可能な路面情報計測装置、路面情報計測方法及びプログラムを提供する。【解決手段】路面情報計測システム1において、路面情報計測装置10は、撮像画像に基づいて路面を走行する車両を検出する車両検出部112と、車両の種別を車種として判別する車種判別部113と、車種と車両の長さに関する情報とに対応する路面に関する情報を取得する路面情報取得部114と、複数の撮像フレームに基づいて車両の移動ベクトルを算出する移動ベクトル算出部115と、移動ベクトルと路面に関する情報とに基づいて車両の速度を算出する車速算出部116と、を備える。【選択図】図7
ROAD SURFACE INFORMATION MEASURING DEVICE, ROAD SURFACE INFORMATION MEASURING METHOD AND PROGRAM
路面情報計測装置、路面情報計測方法およびプログラム
2021-03-01
Patent
Electronic Resource
Japanese
ROAD SURFACE MEASURING SYSTEM, AND ROAD SURFACE MEASURING METHOD
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