专利名称：Text/image selection from document
images
发明人：Taylor, Michael J., Dr.,Lee, Joe S.C.申请号：EP98304196.3申请日：19980528公开号：EP0881592A3公开日：19991027
专利附图：
摘要：A method carried out in an image processing system in which images of
documents are captured by an image capture device, such as a video camera, comprising:(a) displaying successive images captured by the video camera, each image being defined
by greyscale image data and containing text matter, (b) receiving a first user input (mousebutton click) defining the start of a selection and a first position within the displayedimage, (c) in response to the first user input, freezing the displayed image, (d)
determining the skew angle of text matter with respect to the field of view of the videocamera, (e) receiving at least one further user input (further button click; drag of cursor),including a final user input (mouse button release), defining the end of a selection, andfor the or each further user input, (f) determining, using the skew angle determined instep (d), the position, shape and dimensions of a selection element in dependence uponat least said first position, and (g) displaying the selection element superimposed on saidfrozen displayed image. The selection element may be a rectangle, or a selection vlockhighlighting one or more words of text.
申请人：XEROX CORPORATION
地址：Xerox Square Rochester, New York 14644 US
国籍：US
代理机构：Reynolds, Julian David
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