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Camera-based duplex imaging apparatus for imaging a document having no document ejection mechanism
Camera-based duplex imaging apparatus for imaging a document having no document ejection mechanism
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机译:基于照相机的双面成像设备,用于对不具有文件排出机构的文件进行成像
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摘要
A duplex imaging apparatus for imaging at least one side of a document, including a processor and lower and upper imaging devices. Each imaging device includes an optical-chamber, a camera and a light-source-configuration, facilitated to directly illuminate each face of the document from at least two illuminating angles. The lower imaging device is enclosed by a glass-window, wherein the document is operatively disposed on the glass-window. Each of the light source configurations includes at least one cluster of light sources, wherein the clusters of light sources are operated in a preconfigured sequence. Direct illumination forms hotspots in the acquired image frames at preconfigured locations, corresponding to the light sources positioning. The processor is facilitated to cutout preconfigured image frame portions containing the hotspots, forming clean portions of the image frames, and to combine the clean portions to form a clean output image frame.
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