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Polarization visualization for low-irradiance regions by perceptually uniform color space 被引量:1
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作者 Feng Zhao Yue Dong jian-lei 《Defence Technology(防务技术)》 SCIE EI CAS CSCD 2021年第2期505-511,共7页
Currently,polarization visualization strategies are accomplished by mapping polarization information into a perceptually uniform color appearance model CAM02-UCS.However,the deviation of the CAM02-UCS space from the l... Currently,polarization visualization strategies are accomplished by mapping polarization information into a perceptually uniform color appearance model CAM02-UCS.However,the deviation of the CAM02-UCS space from the lightness prediction results in an inaccurate match between the polarization information and the perceptual information.In this paper,we propose a novel polarization visualization strategy based on the perceptual uniform space Jzazbz.The polarization visualization be completed by placing the polarization information into the lightness Jz,colorfulness Cz and hue angle hz channels of the Jzazbz space.The experimental results show that the proposed method can significantly improve the lightness of the low irradiance and high polarization region,hence more polarization information can be sensed by human visual system. 展开更多
关键词 Polarization visualization Perceptually uniform space Lightness prediction Low irradiance
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基于SnS_(2)/In_(2)O_(3)的气体传感器及其室温下高性能NO_(2)检测
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作者 陈进龙 陶然 +3 位作者 李冲 张健磊 付琛 罗景庭 《物理学报》 SCIE EI CAS 2024年第10期287-293,共7页
NO_(2)是一种有毒气体,能与空气中的其他有机化合物发生反应,造成空气污染并对人体有很大的危害.因此,需要一种气体传感器来检测NO_(2).然而,传统的NO_(2)传感器很难在室温(25℃)下工作.本研究报告了SnS_(2)/In_(2)O_(3)的室温(25℃) NO... NO_(2)是一种有毒气体,能与空气中的其他有机化合物发生反应,造成空气污染并对人体有很大的危害.因此,需要一种气体传感器来检测NO_(2).然而,传统的NO_(2)传感器很难在室温(25℃)下工作.本研究报告了SnS_(2)/In_(2)O_(3)的室温(25℃) NO_(2)气体传感,采用热注入法和水热法制备了In_(2)O_(3)量子点和SnS_(2)纳米片.凭借SnS_(2)独特的二维结构,在其上装饰In_(2)O_(3),复合增强了其传感性能,产品采用X射线衍射(XRD)、扫描电子显微镜(SEM)、高分辨率透射电子显微镜(HR-TEM)和X射线光电子能谱仪(XPS)进行表征.结果表明,SnS_(2)/In_(2)O_(3)传感器对体积分数为1×10^(-6) NO_(2)的响应为26.6,响应和恢复时间分别为146 s和243 s.由于异质结结构增加了活性位点的数量,加速了气体的传输,促进了电荷转移和气体解吸,提高了NO_(2)气体传感性能.这种优异的传感性能在NO_(2)检测中具有广阔的应用前景. 展开更多
关键词 气体传感 SnS_(2)/In_(2)O_(3) NO_(2) 室温
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