27. A processing apparatus, for processing a baseball game video, comprising: a first detecting block, for detecting a score board region of the baseball game video; a second detecting block, coupled to the first detecting block, for identifying at least one text content in the scoreboard region; a first processing block, coupled to the second detecting block, for generating at least one semantic event according to the text content in the score board region; a second processing block, coupled to the first processing block, for analyzing variation of the text content throughout the baseball game video to determine a segment length of the semantic event; an operating block, for assigning the segment length to the at least one semantic event according to importance of a corresponding event; and a third processing block, for extracting a scene segment associated with the at least one semantic event out of the sports video according to the segment length; wherein the segment length of each semantic event varies according to importance and weight of each semantic event and varies according to a context analysis result showing the relative importance of each semantic event comparing to its prior and subsequent events throughout the sports video, and the first processing block generates the semantic event according to at least one of base bag, score, and out in the score board region.
29. The processing apparatus of claim 27 , further comprising: a third detecting block, for detecting the audio variation throughout the baseball game video to determine the segment length of the semantic event.