Title :
Detection and analysis of moving objects using time series stereo difference images
Author :
Takayama, Jun-ya ; Mada, Masaya ; Ohyama, Shinji ; Kobayashi, Akira
Author_Institution :
Graduate Sch. of Sci. & Eng., Tokyo Inst. of Technol., Japan
Abstract :
Recently, methods for analyzing the motion and size of moving objects in various scenes, as in uninhabited surveillance systems, are searched for. The aim of this research is proposing a new method for moving objects extraction and analysis using time series stereo images, which is realizing high-speed and high-precision. At first creating the difference images from time series stereo images obtained from three CCD cameras, and the moving object´s portion of the image, can be extracted. Next applying the theory of stereo vision for extracted moving objects image, the depth image for only moving object portion is obtained. Furthermore, by using the extracted positional and depth information of moving objects, the project area and the volume as an index of size and the velocity vector as an index of movement are calculated, as the detected moving objects information. Finally, the proposed method is applied to the experimental images and the effect is confirmed.
Keywords :
CCD image sensors; image motion analysis; stereo image processing; surveillance; time series; CCD cameras; depth information; difference images; moving object detection; moving object motion analysis; moving object size analysis; moving objects extraction; positional information; stereo vision; time series stereo difference images; time series stereo images; uninhabited surveillance systems; Charge coupled devices; Charge-coupled image sensors; Data mining; Image analysis; Image motion analysis; Layout; Motion analysis; Object detection; Surveillance; Time series analysis;
Conference_Titel :
SICE 2002. Proceedings of the 41st SICE Annual Conference
Print_ISBN :
0-7803-7631-5
DOI :
10.1109/SICE.2002.1195190