We describe three technologies involved in creating a digital video library suitable for fullcontent search and retrieval. Image processing analyzes scenes, speech processing transcribes the audio signal, and natural language processing determines word relevance. The integration of these technologies enables us to include vast amounts of video data in the library.

There has been significant advances in the field of image and video processing over past few decades. The term "image processing" is used to describe multiple signal-processing methodologies where images (such as or picture frames) serves input, resulting another a collection image-related parameters features. majority include reducing two-dimensional signal it same way any other signal. "video...