一种灰度图像打印机模型研究  

Research on A Gray Image Printer Model

作　　者：李智杰[1] 崔文竹[1] 刘欣[1] 李小莹 

机构地区：[1]西安建筑科技大学信控学院,陕西西安710055 [2]陕西省彬县广播电视台,陕西咸阳713500

出　　处：《微电子学与计算机》2010年第4期209-212,共4页Microelectronics & Computer

基　　金：陕西省自然科学基金项目(2005F38)

摘　　要：为了在计算机中数字化模拟灰度图像的打印过程,首先分析现有打印机对灰度图像的处理和打印过程,进而提出一种打印模拟算法,其中先对数字图像打印前后分辨率和灰度级变化进行模拟,再施加半调和点增益处理,实现对打印过程的建模.实验结果证实,模型输出图像打印扫描后同原始图像实际打印扫描后相比,相似程度十分接近,其平均灰度差值仅达1.448.In order to imitate the image distortion, which is aroused additional processing in the process of printer, factually, to show the image print effect. Based on analyzing the existed printer model, a print analogue algorithm is proposed. It can accomplish the model of printer, by imitating the image resolution and the change of gray-level in the process of printer, exerting halftone and dot gain. Experimental results show that the average gradation of the model is 1.448 compared to the actual printer image.

关 键 词：打印机模型 图像分辨率 半调 点增益 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]