Research on Video Caption Detection and Extraction. The automatic video annotation is a key module of the video indexing and retrieval system,and the extraction and location of captions are important steps for video annotation.An automatic extraction

利用小波轉換特徵的簡單OCR程式，主要是切割成數個block利用垂直、水平、斜角能量計算-The use of wavelet transform features a simple OCR program, mainly cut into a few block the use of vertical, horizontal, angle energy calculation