Results 241 to 250 of about 10,855 (288)

PALSAR Radiometric and Geometric Calibration

IEEE Transactions on Geoscience and Remote Sensing, 2009
This paper summarizes the results obtained from geometric and radiometric calibrations of the Phased-Array L-Band Synthetic Aperture Radar (PALSAR) on the Advanced Land Observing Satellite, which has been in space for three years. All of the imaging modes of the PALSAR, i.e., single, dual, and full polarimetric strip modes and scanning synthetic ...
Masanobu Shimada, Osamu Isoguchi, Takeo Tadono, Kazuo Isono   +3 more
openaire   +1 more source

Hawkeye radiometric calibration methodology

Earth Observing Systems XXIII, 2018
Hawkeye is an ocean color instrument designed, manufactured and characterized at Cloud land Instruments, CA. It is a push broom instrument that has 8spectral bands similar to SeaWiFS and a spatial resolution of 120 m. Each spectral band has 1800 detectors (pixels) and all 14,000 detectors (pixels) need to be calibrated independently.
Shihyan Lee, Alan Holmes, Gerhard Meister, Frederick S. Patt, Gene C. Feldman   +4 more
openaire   +1 more source

Multispectral UAS Data Accuracy for Different Radiometric Calibration Methods

Remote Sensing, 2019
Unmanned aircraft systems (UAS) allow us to collect aerial data at high spatial and temporal resolution. Raw images are taken along a predetermined flight path and processed into a single raster file covering the entire study area.
Aurélie M Poncet, Thorsten Knappenberger, Joey N Shaw   +2 more
exaly   +2 more sources

Radiometric calibration for HDR imaging

2015 IEEE International Conference on Image Processing (ICIP), 2015
In this paper we present a method to estimate the radiance map and camera response function for high dynamic range (HDR) imaging which is devoid of free parameters and can reliably recover HDR images with as few as two low-dynamic range (LDR) views acquired at different exposures.
Ahmed Sohaib, Antonio Robles-Kelly
openaire   +1 more source

Radiometric calibration of SeaWiFS in the near infrared

Applied Optics, 2005
The radiometric calibration of the Sea-Viewing Wide-Field-of-View Sensor (SeaWiFS) in the near infrared (band 8, centered on 865 nm) is evaluated by use of ground-based radiometer measurements of solar extinction and sky radiance in the Sun's principal plane at two sites, one located 13 km off Venice, Italy, and the other on the west coast of Lanai ...
Martiny, Nadège, Frouin, R., Santer, R.
openaire   +3 more sources

Robust Radiometric Calibration and Vignetting Correction

IEEE Transactions on Pattern Analysis and Machine Intelligence, 2008
In many computer vision systems, it is assumed that the image brightness of a point directly reflects the scene radiance of the point. However, the assumption does not hold in most cases due to nonlinear camera response function, exposure changes, and vignetting.
Seon Joo Kim, Marc Pollefeys
openaire   +2 more sources

RADIOMETRIC CALIBRATION OF A MULTISPECTRAL CAMERA

2006
We describe in detail a method for calibrating a multispectral imaging system based on interference filters. The calibration aims to remove systematic noises introduced by the sensor, and optic and/or filters from multispectral images. After which, we can correct the non-linearity of the sensor response.
Alamin Mansouri, M. Sanchez, Franck Marzani, Pierre Gouton   +3 more
openaire   +1 more source

Radiometric Calibration from Faces in Images

2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2017
We present a method for radiometric calibration of cameras from a single image that contains a human face. This technique takes advantage of a low-rank property that exists among certain skin albedo gradients because of the pigments within the skin. This property becomes distorted in images that are captured with a non-linear camera response function ...
Chen Li 0031, Stephen Lin 0001, Kun Zhou 0001, Katsushi Ikeuchi   +3 more
openaire   +1 more source

Radiometric calibration of MERIS

SPIE Proceedings, 2004
Envisat is ESA's environmental research satellite launched on 1 March 2002. It carries a suit of sensors offering opportunities for a broad range of scientific research and applications. The radiometric calibration results from the first 2 years of operation of the MEdium Resolution Imaging Spectrometer (MERIS) will be presented.
Steven Delwart, Ludovic Bourg
openaire   +1 more source

Status of MODIS instrument and radiometric calibration

2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS, 2013
Since launch, Terra and Aqua MODIS have successfully operated for more than 13 and 11 years, respectively. MODIS observations, made in 36 spectral bands covering wavelengths from visible to long-wave infrared, have enabled a broad range of science and research activities and made significant contributions to the earth remote sensing applications. MODIS
Xiaoxiong Xiong, Brian Wenny, Amit Angal, Junqiang Sun, Vincent V. Salomonson, William L. Barnes   +5 more
openaire   +1 more source