DIFFERENCE DETECTION DEVICE AND DIFFERENCE DETECTION PROGRAM

• Main Authors: TAKAGI MOTOHIRO, HAYASE KAZUYA, SHIMIZU ATSUSHI
• Format: Patent
• Language: English; Japanese
• Published: 16.04.2020
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION

To provide a difference detection device and a difference detection program capable of improving accuracy of detecting a difference between images.SOLUTION: A difference detection device comprises a difference detection unit which detects a difference between first and second images which represent almost the same space photographed at different times and third and fourth images which represent almost the same space photographed at different times, on the basis of association between the encoded information of the first image and that of the second image. The encoded information is information obtained before an inverse conversion process is performed in each decoding process performed on the first and second images from data including encoded first image and data including encoded second image.SELECTED DRAWING: Figure 1 【課題】画像間の差異を検出する精度を向上させることが可能である差異検出装置及び差異検出プログラムを提供する。【解決手段】差異検出装置は、異なる時刻に撮影されたほぼ同一空間を表す第１の画像及び第２の画像と、第１の画像の符号化情報及び第２の画像の符号化情報との関連付けに基づいて、異なる時刻に撮影されたほぼ同一空間を表す第３の画像及び第４の画像の間の差異を検出する差異検出部を備え、符号化情報は、符号化された第１の画像を含むデータと符号化された第２の画像を含むデータとから、第１の画像及び第２の画像に対して実行された各復号処理において逆変換処理が実行される前に取得された情報である。【選択図】図１