نتایج جستجو برای: light cameras

تعداد نتایج: 414783  

2011
Adrian A. Dorrington John P. Godbaz Michael J. Cree Andrew D. Payne Lee V. Streeter

Time-of-flight range cameras acquire a three-dimensional image of a scene simultaneously for all pixels from a single viewing location. Attempts to use range cameras for metrology applications have been hampered by the multi-path problem, which causes range distortions when stray light interferes with the range measurement in a given pixel. Correcting multi-path distortions by post-processing t...

Journal: :International Journal of Advanced Network, Monitoring and Controls 2019

Journal: :IEEE Transactions on Pattern Analysis and Machine Intelligence 2019

2009

Conventional low frame rate cameras result in blur and/or aliasing in images while capturing fast dynamic events. Multiple low speed cameras have been used previously with staggered sampling to increase the temporal resolution. However, previous approaches are inefficient: they either use small integration time for each camera which does not provide light benefit or they use large integration t...

Journal: :Journal of microscopy 1998
A Entwistle

In light microscopy, colour CCD cameras are now capable of generating image data sets that contain more information than can be captured with slow 35 mm colour reversal film. The resolution of colour CCD cameras with a high density of sensor elements (> or = 3300 x 2200 per channel of colour) is equivalent to that of slow 35 mm colour film over typical fields of view for objectives with a wide ...

Journal: :Optics express 2014
Henrik Schäfer Frank Lenzen Christoph S Garbe

In-camera light scattering is a systematic error of Time-of-Flight depth cameras that significantly reduces the accuracy of the systems. A completely new model is presented, based on raw data calibration and only one additional intrinsic camera parameter. It is shown that the approach effectively removes the errors of in-camera light scattering.

2010
Peter Henry Michael Krainin Evan Herbst Xiaofeng Ren Dieter Fox

RGB-D cameras are novel sensing systems that capture RGB images along with per-pixel depth information. RGB-D cameras rely on either structured light patterns combined with stereo sensing [6,10] or time-of-flight laser sensing [1] to generate depth estimates that can be associated with RGB pixels. Very soon, small, high-quality RGB-D cameras developed for computer gaming and home entertainment ...

2008
António J. R. Neves Alina Trifan Bernardo Cunha

Vision is an extremely important sense for both humans and robots, providing detailed information about the environment. In the past few years, the use of digital cameras in robotic applications has been increasing significantly. The use of digital cameras as the main sensor allows the robot to take the relevant information from the surrounding environment and then take decisions. A robust visi...

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