[PDF] Top 20 Auroral all-sky camera calibration
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Auroral all-sky camera calibration
... of auroral all-sky cameras is ...screen. All-sky flat-field correction is carried out with a 1 m diameter integrating ...An all-sky camera flat-field correc- tion ... See full document
5
Simultaneous DMSP, all sky camera, and IMAGE FUV observations of the brightening arc at a substorm pseudo breakup
... three auroral brightenings and the correspond- ing three midlatitude Pi 2 ...the auroral brightening at substorm onset takes place near the inner edge of the region 1 current system, as schemat- ically ... See full document
5
Auroral meridian scanning photometer calibration using Jupiter
... Atmospheric transmission is likely to be the largest source of uncertainty for high SNR applications. Reducing this uncer- tainty will require estimation of extinction coefficients that are appropriate for each transit. ... See full document
20
Development of low cost sky scanning Fabry Perot interferometers for airglow and auroral studies
... The sky scanner is programmed to look into the opal glass of the calibration laser source by moving to the an- gle coordinates of an elevation angle of 180 ◦ and the az- imuth angle corresponding to the ... See full document
14
Analysis algorithm for sky type and ice halo recognition in all-sky images
... the camera and mirror axis leads to an elliptical appearance of the sky ...A calibration is necessary in such cases to stretch the visible horizon ellipse to a circular shape and to center the ... See full document
19
Initial observations of auroras by the multi spectral auroral camera on board the Reimei satellite
... for all orbital ...the sky all the time, and should not be aimed at the ground, in order to deter- mine a satellite’s ...the all sky cam- era in Syowa, and THEMIS ground-based ... See full document
9
FIELD OF VIEW DETERMINATION AND SPATIAL CALIBRATION OF NIGHT AIRGLOW ALL SKY IMAGES
... The flow chart given in figure 8 is self-explanatory and shows programming steps to determine the FOV and the spatial calibration of ASI image. Before running the program the user has to generate a Stellarium ... See full document
6
Validation of spectral sky radiance derived from all-sky camera images – a case study
... device) camera has been used to derive the sky radiance distribution for the different sky conditions (Huo and Lu, 2009) and the gray values combined with the radiometric calibration have been ... See full document
10
A new automatic method for estimating the peak auroral emission height from all-sky camera images
... Boyd et al. (1971) used the triangulation method tested by Romick and Belon (1967a) for identifying the peak auroral emission height from a system of three meridian scanning photometers located on the same dipole ... See full document
14
Calibration of an all-sky camera for obtaining sky radiance at three wavelengths
... the sky radiance under dif- ferent sky conditions using several types of ...of sky distribution (a grid of 10 ◦ zenith and 3 ◦ in azimuth) in 30 ...different sky conditions using a spectrora- ... See full document
12
A multi instrument data analysis toolbox
... For all riometer data types (received power, quiet day curve (QDC) and absorption) visualisation methods include line plots, keograms, images and movies. Absorption data can either be calculated on-the-fly from ... See full document
11
Quality Control of Gamma Camera with SPECT Systems
... System uniformity is the most sensitive parameter to changes in system perfor- mance [8]. One of the things that affect image uniformity is the PMT (pho- to-multiplier tube) and detector’s performance. Hence, intrinsic ... See full document
8
Camera Calibration Based on Circular Marking Board
... Conclusions From the experimental results, it can be seen that the camera calibration method based on the circular marker plate has successfully obtained the parameters of the camera, an[r] ... See full document
6
Camera calibration for unmanned aerial vehicle mapping
... era calibration is considered im portant in high-accuracy U AV m apping using low -cost digital ...era calibration for short and long interval range and U A V im age m apping accuracy assessm ent using ... See full document
31
A new method of measuring aerosol optical properties from digital twilight photographs
... Recently, digital cameras have begun being used as mea- surement instruments (e.g., Lee and Andres, 2003; Lee et al., 2011). Ehrlich et al. (2012) provided a method for construct- ing a bi-directional reflectance ... See full document
17
Ground-based observations for the validation of contrails and cirrus detection in satellite imagery
... an all-sky camera situated at Oberpfaffenhofen (Southern ...selected all-sky camera images with data of the satellite instruments NOAA/AVHRR and ...the all-sky ... See full document
15
Imaging for stereoscopic displays.
... The method presented in this thesis uses a single (for the parameters being compared, one is all that is required) image of a planar calibration target, from a stereo camera pair alread[r] ... See full document
200
Camera calibration optimization technique based on genetic algorithms
... to camera parameter calibration accuracy. As for the camera parameter calibration problem, this paper proposes a camera parameter calibration method based on genetic optimization ... See full document
7
Calibration of a digital camera for close-range photogrammetry application
... for camera calibration and systematic error compensation, and it provides for accurate sensor orientation and object reconstruction, while treating all the system unknowns as stochastic ...digital ... See full document
8
Design, Manufacturing And Calibration Of An Omnidirectional Camera For Robotic Applications
... a camera that directly observes the scene is its limited field of ...photogrammetry, camera networks, reconstruction of cultural heritage, etc.The calibration of an omnidirectional camera may ... See full document
7
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