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The electrophoretic display (EPD) has become the main solution to electronic paper, but it is temperature sensitive with only a few number of gray levels. In this paper, we present an integrated image tool to automatically estimate the reflectance function curves under different temperatures, perform adaptive image halftoning to improve visual quality, and calibrate the image to compensate the nonlinear...
The electrophoretic display (EPD) has become the main solution to electronic papers, but there are several limitations when it is being driven. First of all, the optical response curve of the EPD is nonlinear and temperature sensitive. In addition, the number of gray levels that can be displayed is also quite limited. The image quality is unsatisfactory if the images shown on the panel are not preprocessed...
In this paper, we present a configurable electrophoretic display (EPD) controller which provides a new architecture design of compacted waveform lookup tables. Compared with traditional designs of waveform LUT, the proposed method drastically shrinks the required memory size of LUTs. To improve visual quality, the controller also supports partial image update and integrates a real-time halftoning...
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