A filtering device includes an evaluation value deriving module that derives, for a pair of images having mutual relevance, multiple evaluation values indicative of correlations between any one of blocks (reference block) that is extracted from one of the images (reference image) and multiple blocks (comparison blocks) extracted from the other image (comparison image), an evaluation range setting module that sets an evaluation range of the evaluation values, the evaluation range having one of boundaries at the evaluation value with the highest correlation among the multiple evaluation values, and a difference value determining module that determines whether the evaluation value with the highest correlation is valid as a difference value based on the multiple evaluation values and the evaluation range.
Filtering device and environment recognition system
2016-12-20
Patent
Electronic Resource
English
IPC: | G06K Erkennen von Daten , RECOGNITION OF DATA / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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