With the rapid development of IoT technology,the Fundamentals of IoT Hardware course—one of the core subjects in university IoT programs—urgently requires innovation and improvement in both its content and teaching ...With the rapid development of IoT technology,the Fundamentals of IoT Hardware course—one of the core subjects in university IoT programs—urgently requires innovation and improvement in both its content and teaching methodology.This paper,based on an educational reform project funded by the Hainan Provincial University Education Program,explores how to effectively implement general education on Very Large-Scale Integration(VLSI)design and manufacturing within the Fundamentals of IoT Hardware course.The study conducts practical teaching experiments through innovative instructional models,visualized presentation of semiconductor device structures and processes,integration of industrial-grade simulation tools,and the application of cutting-edge technologies.The objective is to stimulate students’innovative thinking and enhance their hands-on abilities.Finally,this paper summarizes the outcomes of implementing VLSI general education in the course and offers relevant suggestions for further educational reform.展开更多
现代视频编码标准普遍采用变换与运动补偿预测混合型编码架构,该架构对运动补偿预测后的残差图像和运动矢量等信息进行变换编码,运动补偿预测的准确度对编码性能有显著影响.由于实际对象的运动精度是任意小的,允许运动矢量具有“分像素...现代视频编码标准普遍采用变换与运动补偿预测混合型编码架构,该架构对运动补偿预测后的残差图像和运动矢量等信息进行变换编码,运动补偿预测的准确度对编码性能有显著影响.由于实际对象的运动精度是任意小的,允许运动矢量具有“分像素”精度,可以有效地提高运动补偿预测准确度,为了得到“分像素”位置的像素值,需要参考其周围相邻的像素值进行插值滤波.文中提出了一种低空间复杂度1/4像素插值方法两步四抽头插值法(Two Steps Four Taps Interpolation,TSFT),该方法与目前国际上最先进的视频编码标准H.264/AVC相比,可以降低11%的空间复杂度,计算复杂度和编码效率相当,已经被国内制定的编码标准AVS1.0采纳.另外,分像素插值是解码端主要的访存和计算瓶颈,文中给出了一个基于多级流水线结构的VLSI实现结构,可以降低访存带宽,同时提高插值器的运算速度,满足高清视频实时解码的需要.展开更多
基金supported by the Education Department of Hainan Province(Hnjg2019-50)the Innovation Platform for Academicians of Hainan Province(YSPTZX202036).
文摘With the rapid development of IoT technology,the Fundamentals of IoT Hardware course—one of the core subjects in university IoT programs—urgently requires innovation and improvement in both its content and teaching methodology.This paper,based on an educational reform project funded by the Hainan Provincial University Education Program,explores how to effectively implement general education on Very Large-Scale Integration(VLSI)design and manufacturing within the Fundamentals of IoT Hardware course.The study conducts practical teaching experiments through innovative instructional models,visualized presentation of semiconductor device structures and processes,integration of industrial-grade simulation tools,and the application of cutting-edge technologies.The objective is to stimulate students’innovative thinking and enhance their hands-on abilities.Finally,this paper summarizes the outcomes of implementing VLSI general education in the course and offers relevant suggestions for further educational reform.
文摘现代视频编码标准普遍采用变换与运动补偿预测混合型编码架构,该架构对运动补偿预测后的残差图像和运动矢量等信息进行变换编码,运动补偿预测的准确度对编码性能有显著影响.由于实际对象的运动精度是任意小的,允许运动矢量具有“分像素”精度,可以有效地提高运动补偿预测准确度,为了得到“分像素”位置的像素值,需要参考其周围相邻的像素值进行插值滤波.文中提出了一种低空间复杂度1/4像素插值方法两步四抽头插值法(Two Steps Four Taps Interpolation,TSFT),该方法与目前国际上最先进的视频编码标准H.264/AVC相比,可以降低11%的空间复杂度,计算复杂度和编码效率相当,已经被国内制定的编码标准AVS1.0采纳.另外,分像素插值是解码端主要的访存和计算瓶颈,文中给出了一个基于多级流水线结构的VLSI实现结构,可以降低访存带宽,同时提高插值器的运算速度,满足高清视频实时解码的需要.
