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我国通用式三维即时视觉传感技术填补机器视觉领域空白
2017-08-21 07:26:49 中国经济网
拍摄实物三维点圆数据。
(资料图片)
拍摄对象实物。
(资料图片)
“多目慧眼”实物图。
(资料图片)
成像效果图。通过一次拍摄成像,可快速获取构筑物轮廓和结构特征的三维空间数据。(资料图片)
图为“多目慧眼”专用三维相机机组。 本报记者 周明阳摄
视觉是人类观察和认知世界的重要手段。据统计,人类从外部世界获得的信息约有80%由视觉获取。这既说明视觉信息量巨大,又体现出人类视觉功能的重要性。随着信息技术的发展,为计算机、机器人或其他智能机器赋予人类视觉功能,成为科学家们的奋斗目标
目前,机器视觉技术已经实现了产品化、实用化,镜头、高速相机、光源、图像软件、图像采集卡、视觉处理器等相关产品功能日益完善。机器视觉技术在信息化时代正扮演着越来越重要的角色。
什么是“机器视觉”
与计算机视觉相比,机器视觉偏重于计算机视觉技术工程化,能够自动获取和分析特定的图像,对准确度和处理速度要求都比较高。一般而言,计算机视觉多用来识别“人”,而机器视觉则多用来识别“物”
机器视觉是人工智能正在快速发展的一个分支,是研究用计算机来模拟生物视觉的科学技术。机器视觉系统的首要目标是用图像创建或恢复现实世界模型,然后认识现实世界。其具体操作方法是通过机器视觉产品将被摄取目标转换成图像信号,传送给专用的图像处理系统,得到被摄目标的形态信息,再根据像素分布和亮度、颜色等信息将其转变成数字化信号,图像系统对这些信号进行各种运算来抽取目标的特征,进而控制现场设备的动作。
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