In this article,the unit of total distance in Fig.2B was misused.In fact,the unit of total distance exported by the system was"pixels".After correction,the data in Fig.2B were not changed.The Fig.2B should h...In this article,the unit of total distance in Fig.2B was misused.In fact,the unit of total distance exported by the system was"pixels".After correction,the data in Fig.2B were not changed.The Fig.2B should have appeared as shown below.展开更多
介绍了多波段红外探测器的应用开发进展,并且针对多波段信号同时探测的红外器件特点进行了读出电路设计。其中,Pixel输入级为多波段红外探测器读出电路设计的核心关键模块之一。本文设计采用了缓冲直接注入型(Buffered Direct Injection...介绍了多波段红外探测器的应用开发进展,并且针对多波段信号同时探测的红外器件特点进行了读出电路设计。其中,Pixel输入级为多波段红外探测器读出电路设计的核心关键模块之一。本文设计采用了缓冲直接注入型(Buffered Direct Injection,BDI)像素输入级电路结构,具有高稳定性、低等效输入阻抗的特点,有效提高长波器件的注入效率,并且为光电探测器件提供了稳定的工作条件。以CMOS 0.18μm 5 V标准工艺基础,完成了全电路设计与模拟仿真。结果表明:70 K低温下电路功能正常,40μm间距内含有短、中、长4波段像素输入级,输入级积分信号输出线性度达到99.7%,噪声不超过0.3 mV。展开更多
为加快TIP(Tour Into the Picture)的绘制速度,提出1种基于GPU(Graphics Processing Unit)的方法,充分利用GPU的运算能力,把背景纹理提取过程从CPU转移到GPU中进行,利用GPU固定管道进行TIP绘制,CPU负责前景模型的深度计算及纹理提取.因...为加快TIP(Tour Into the Picture)的绘制速度,提出1种基于GPU(Graphics Processing Unit)的方法,充分利用GPU的运算能力,把背景纹理提取过程从CPU转移到GPU中进行,利用GPU固定管道进行TIP绘制,CPU负责前景模型的深度计算及纹理提取.因此,CPU与GPU可以并行运算,显著提高纹理映射速度从而缩短整个TIP绘制时间,满足用户在虚拟场景中漫游的实时性要求.展开更多
文摘In this article,the unit of total distance in Fig.2B was misused.In fact,the unit of total distance exported by the system was"pixels".After correction,the data in Fig.2B were not changed.The Fig.2B should have appeared as shown below.
文摘为加快TIP(Tour Into the Picture)的绘制速度,提出1种基于GPU(Graphics Processing Unit)的方法,充分利用GPU的运算能力,把背景纹理提取过程从CPU转移到GPU中进行,利用GPU固定管道进行TIP绘制,CPU负责前景模型的深度计算及纹理提取.因此,CPU与GPU可以并行运算,显著提高纹理映射速度从而缩短整个TIP绘制时间,满足用户在虚拟场景中漫游的实时性要求.
