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Superconductors have long been considered the principal approach for realizing electronics without resistivity. In the past decade, a new family of quantum materials, “topological materials,” has offe...
Engineers develop thin, lightweight lens that could produce slimmer camera phones, longer-flying drones
Engineers develop thin lightweight lens slimmer camera phone longer-flying drones
2019/10/10
The new wave of smartphones to hit the market all come with incredible cameras that produce brilliant photos. There's only one complaint -- the thick camera lenses on the back that jet out like ugly b...
TASK AND PROGRESS OF IAEG-SDGS: WGGI IN MONITORING SDGS THROUGH A ‘GEOGRAPHIC LOCATION’ LENS
Sustainable Development Goals Target Indicator Geospatial Information Monitoring
2018/5/14
In September 2015, the 193 Member States of the United Nations (UN) unanimously adopted the 2030 Agenda for Sustainable Development and its 17 Sustainable Development Goals (SDGs), aiming to transform...
2018年SPIE透镜设计与光学工程的现状会议（SPIE Current Developments in Lens Design and Optical Engineering XIX）
2018年 SPIE 透镜设计与光学工程的现状 会议
2017/11/27
Optical design is a fascinating activity, ranging as it does from lens design and modeling with the help of the immensely powerful design software currently available, to the semi-intuitive art of cre...
2017SPIE透镜设计与光学工程现状专题会议（Current Developments in Lens Design and Optical Engineering XVIII）
2017 SPIE 透镜设计与光学工程现状 专题会议
2017/4/25
2017SPIE透镜设计与光学工程现状专题会议（Current Developments in Lens Design and Optical Engineering XVIII）。
A unique camera that can capture a detailed micron-resolution image from a distance uses a laser and techniques that borrow from holography, microscopy and “Matrix”-style bullet time. A prototype buil...
CRITICAL ASSESSMENT OF CORRECTION METHODS FOR FISHEYE LENS DISTORTION
Fisheye Lens Distortion Camera Calibration,Critical Assessment
2016/7/4
A fisheye lens is widely used to create a wide panoramic or hemispherical image. It is an ultra wide-angle lens that produces strong visual distortion. The distortion modeling and estimation of the fi...
Terahertz radiation is a relatively unexplored slice of the electromagnetic spectrum, but it holds the promise of countless new imaging applications as well as wireless communication networks with ext...
Precise Method of Fisheye Lens Calibration
Digital Camera Calibration Close-range Photogrammetry
2015/12/17
In close-range photogrammetry productivity and accuracy of optical systems is very important. Fisheye lens camera can provide data
in hard to reach places or in very small distance to the object. Nev...
Using fisheye lens in close range photogrammetry gives great possibilities in acquiring photogrammetric data of places, where access
to the object is very difficult. But such lens have very specific ...
Performance Evaluations of Macro Lens for Digital Documentation of Small Objects
Macro Lens Zoom Lens Distortion
2015/12/14
Recently, documentation and visualization of various cultural heritages have been receiving attention, and small Buddha such as less
10 cm tall which was stored in the womb of Buddha is also included...
Calibration of a Digital Single Lens Reflex (SLR) Camera Using Artificial Neural Networks
Camera Calibration SLR Camera Lens Distortion
2015/12/14
The use of non-metric digital cameras in close-range photogrammetric applications and machine vision has become a popular
research agenda. Being an essential component of photogrammetric evaluation, ...
Minimising Systematic Errors in DEMs Caused by an Inaccurate Lens Model
Close Range Photogrammetry Digital Camera Digital Photogrammetry
2015/12/14
The use of consumer grade digital cameras for spatial measurement has rapidly increased over the past decade and is accepted in
many industrial applications but also in diverse fields ranging from me...
How thin can a camera be? Very, say Rice University researchers who have developed patented prototypes of their technological breakthrough.FlatCam, invented by the Rice labs of electrical and computer...
Fisheye Lens Camera System Application To Cultural Heritage Data Acquisition
Fisheye Lens Camera System Application Cultural Heritage Data Acquisition
2015/11/11
Fisheye Lens Camera System Application To Cultural Heritage Data Acquisition.