@article{oai:fukuyama-u.repo.nii.ac.jp:00008283, author = {尾関, 孝史 and 倉狩, 沙織 and 福永, 裕也 and 小林, 富士男}, journal = {福山大学工学部紀要}, month = {Dec}, note = {P(論文), Superimposition in videos is one of the most important information to make indexes of image contents automatically. In the past, many obstacles have put this into practice. In the case of signboads, it is easy to distinguish characters and the background by using the brightness. Because signboads are usually made by assigning different colors to characters and the background. On the other hand, in the case of superimposition, by using only brightness, it is difficult to separate characters from the background. In this paper, we propose a new method to extract superimposition from videos based on the information of the edge and the labeling of images. Applying the method to real videos and extracting superimposition from 19 images, we obtained exactly almost every characters.}, pages = {227--232}, title = {アナログテレビ放送からのテロップの抽出}, volume = {30}, year = {2006} }