| Summary: | 碩士 === 國立清華大學 === 資訊工程學系 === 101 === Drawing on the pixel level is a specific art style. It needs artist to adjust each pixel manually. Every pixel on the drawing is important to preserve the original shape as much as possible under different resolutions. This process is tedious and complicated, so we propose a novel system which converts arbitrary line drawings to pixel drawings automatically. First, the input line drawing image is partitioned into a set of rectangular grids. Each grid is consisting of n by n pixels, depends on the ratio of input and output resolution. These grids represent “mega pixels” at output resolution. Then, the weight of each grid is computed according to the coverage of original line pixels within the grid. Finally, some rules of pixel art which generalized by artists such as monotonic in generated pixel spans and single pixel line width, are used to choose the grids which need to be filled. These rules further improve the output that is closed to the artist’s work. The artists can then do some minor modifications, based on the final output result, to meet their personal stylization.
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