To provide a moving body locus generation method capable of detecting a new moving locus or a changed moving locus of a moving body using a photographic image acquired by a flying body.SOLUTION: Images of each color component at exposure timing of an area Ei for a predetermined period photographed from sky are read in sequence. For each reading, the images for each color component are superimposed to generate a color composite image for each exposure. In the color composite image for each exposure, images with the same wavelength are superimposed to generate a panchromatic image for each exposure. A pan-sharpened image CP1i for each exposure, which is obtained by superimposing and synthesizing a color composite image for each exposure and a panchromatic image for each exposure, is generated. The pan-sharpened image for each exposure is generated and a color of a mesh used as a moving body is emphasized, and the amount of movement of a moving body on a road is generated on an RGB-enhanced pan-sharpened image CP2i. These RGB-enhanced pan-sharpened images CP2i are further superimposed to generate a vehicle movement locus detection image CDi representing a single locus on the road.SELECTED DRAWING: Figure 1
【課題】飛行体が取得した写真画像を用いて移動体の新たな移動軌跡又は変更があった移動軌跡等を検出できる移動体軌跡生成方法を提供する。【解決手段】上空から撮影した所定期間のエリアEiの露光タイミング時の色成分毎画像を順次読込み、この読込毎に色成分毎画像同士を重ね合わせて露光毎カラー合成画像を生成し、この露光毎カラー合成画像の内で、同一波長同士の画像を重ね合わせて露光毎パンクロマチック画像を生成し、露光毎カラー合成画像と露光毎パンクロマチック画像とを重ね合成した露光毎パンシャープン画像CP1iを生成し、この露光毎パンシャープン画像を生成し、移動体とするメッシュの色を強調させて、道路上の移動体の移動量をRGB強調パンシャープン画像CP2iを生成し、これらのRGB強調パンシャープン画像CP2iをさらに重ね合わせて道路上を一本の軌跡で表わした車両移動軌跡検出画像CDiを生成する。【選択図】図1
MOVING BODY LOCUS GENERATION METHOD USING PHOTOGRAPHIC IMAGE
写真画像を用いた移動体軌跡生成方法
2021-05-27
Patent
Electronic Resource
Japanese
IPC: | G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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