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浓淡图像的高质量二值模拟表示是当前图像处理学科领域中迫切需要解决的基本课题。研究中开发出四种模拟表示方法和五种输出方法,从而解决了象素分配的各向异性问题、边界抽出问题及自适应门限确定等一系列关键技术。并使模拟结果具有灰度级数高、保持图像的高分辨率、高逼真度、高平滑性及高对比度等的特点。
The high-quality binary analogue representation of shaded images is a basic subject urgently needed to be solved in the current field of image processing. In the research, four analog representation methods and five output methods were developed, which solved a series of key technologies such as anisotropy of pixels distribution, boundary extraction and adaptive threshold determination. And make the simulation results have the characteristics of high gray level, high resolution, high fidelity, high smoothness and high contrast.