| 基于DM642的视线跟踪系统的实现与优化 |
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| 引用本文： | 刘瑞安,王廼琳.基于DM642的视线跟踪系统的实现与优化[J].天津师范大学学报(自然科学版),2009,29(4):42-46. |
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| 作者姓名： | 刘瑞安 王廼琳 |
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| 作者单位： | 天津师范大学,物理与电子信息学院,天津,300387 |
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| 基金项目： | 天津市自然科学基金项目，天津师范大学博士基金项目 |
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| 摘 要： | 基于PC实现的视线跟踪系统普遍存在执行速度慢、不能满足实时应用需求等缺陷,本研究以TI公司的TMS320DM642图像处理芯片作为数字图像处理硬件平台,以DSP/BIOS为实时操作系统,利用CCS开发环境构建应用程序,对程序整体结构框架进行了改进,对核心模块和代码逐个进行优化,以实现和优化基于DM642嵌入式系统的视线跟踪技术.
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| 关 键 词： | 人机接口技术 视线跟踪 DM642 程序优化 |
Implementation and optimization of the eye gaze tracking system based on DM642 |
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| LIU Ruian,WANG Nailin.Implementation and optimization of the eye gaze tracking system based on DM642[J].Journal of Tianjin Normal University(Natural Science Edition),2009,29(4):42-46. |
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| Authors: | LIU Ruian WANG Nailin |
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| Institution: | (College of Physics and Electronic Information Science, Tianjin Normal University, Tianjin 300387, China) |
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| Abstract: | Implementation of the eye gaze tracking system based on PC widely has some disadvantages, such as it＇s excution speed is slow and it could not satisfy the demand for real-time applications. The TMS320DM642 image pro cessing chip produced by TI Corporation is used as digital image processing hardware platform, the DSP/BIOS is used as real-time operating system, and the CCS is used to develop application program of environment structure, the overall structure of the program framework is improved and the core modules and codes are optimized in order to achieve and optimize the eye gaze tracking technology based on the DM642 embedded system. |
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| Keywords: | DM642 |
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