PROGRAM, DISTANCE MEASURING METHOD, AND DISTANCE MEASURING DEVICE

• Main Authors: ENDO SUSUMU, BABA TAKAYUKI, UEHARA YUSUKE, MORIWAKI YASUTAKA, SUGIMURA MASAHIKO, TAKEBE HIROAKI
• Format: Patent
• Language: English; Japanese
• Published: 13.09.2018
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS

PROBLEM TO BE SOLVED: To select a feature point suitable for image recognition processing that utilizes a difference between pixels.SOLUTION: Provided is a distance measuring device 10 including: a storing unit 11 which stores a first image 21 and a second image 31 to be compared with each other; and an arithmetic unit 12 which extracts multiple candidate feature points from the first image 21 and the second image 31, extracts a combination having a high stability of the feature quantity from among combinations of the feature points in the first image 21, and a combination having a high stability of the feature quantity from among combinations of the feature points in the second image 31, and outputs, as respective bit strings, the feature quantities for the respective extracted combinations regarding the first image and the second image.SELECTED DRAWING: Figure 1 【課題】画素間の差異を利用する画像認識の処理に適した特徴点を選定すること。【解決手段】比較対象の第１の画像２１と第２の画像３１とを記憶する記憶部１１と、第１の画像２１と第２の画像３１とからそれぞれ特徴点の候補を複数抽出し、第１の画像２１内の特徴点の組み合わせのうち特徴量の安定性が大きい組み合わせと、第２の画像３１内の特徴点の組み合わせのうち特徴量の安定性が大きい組み合わせとを抽出し、抽出された第１の画像について及び第２の画像についてのそれぞれの組み合わせについての特徴量をビット列で出力する演算部１２とを有する、測距装置１０が提供される。【選択図】図１