Results 181 to 190 of about 4,354 (218)

Direct georeferencing of airborne pushbroom images

Journal of the Chinese Institute of Engineers, 2015
Direct georeferencing (DG) for orthoimage production based on collinearity equations has emerging as a standard photogrammetric operation. In this paper, the basic idea of DG is realized and refined with 19 self-calibration parameters for rectifying airborne pushbroom hyperspectral images collected using the intelligent spectral imaging system (ISIS ...
Ching-Kuo Yeh, Victor J.D. Tsai
openaire   +1 more source

Calibration of inexpensive pushbroom imaging spectrometers

Metrologia, 1998
We demonstrate the calibration and error estimation for three inexpensive pushbroom imaging spectrometers that operate in the visible/near-infrared range. The instruments were all built at the Naval Research Laboratory from commercial, off-the-shelf components.
J Bowles, M Kappus, J Antoniades, M Baumback, M Czarnaski, C O Davis, J Grossmann   +6 more
openaire   +1 more source

Catadioptric Systems For Pushbroom Sensors

SPIE Proceedings, 1990
The development of focal plane technology in the production of very large linear arrays for infra-red sensors must be matched with optical systems capable of resolving up to 3000 pixels. Such systems have application in earth observation from space or airborne platforms.
openaire   +1 more source

Automated Geometric Correction of High-resolution Pushbroom Satellite Data [PDF]

Photogrammetric Engineering & Remote Sensing, 2008
In this article, we present the use of the Automatic Ground control points Extraction technique (AGE) for increasing the automation in the geometric correction of high-resolution satellite imagery. The method is based on an image-to-image matching between the satellite data and an already geocoded image (i.e., a digital orthophoto).
GIANINETTO, MARCO, SCAIONI, MARCO
openaire   +1 more source

Advanced CID Array Multispectral Pushbroom Scanner

SPIE Proceedings, 1984
An optical imager, called the Scanning Imaging Spectroradiometer (SIS), was built for NASA in the early 1970's. Later, the Solidstate Array Spectroradiometer (SAS) was developed on the basis on a substitution of a Charge Injection Device (CID) array for the vidicon of the SIS.
S. E. Stewart, R. R. Buntzen, J. Carbone, L. W. McFadin, J. T. Chladek, F. G. Huegel   +5 more
openaire   +1 more source

Statistical Linear Destriping of Satellite-Based Pushbroom-Type Images

IEEE Transactions on Geoscience and Remote Sensing, 2010
This paper introduces a new self-calibration destriping technique for pushbroom-type satellite imaging systems. Self-calibration means that no specific training data are required. It is based on the statistical estimation of each detector gain from the observed image, assuming a linear response. Both theoretical and practical behaviors are studied. Our
Hervé Carfantan, Jérôme Idier
exaly   +4 more sources

A Windowing/Pushbroom Hyperspectral Imager

2006
We show that any pushbroom hyperspectral imager can be converted into a windowing one by only attaching in front of it a simple dispersive element. The resulting device displays the same spectral resolution than the former one. To test this idea we have built a pushbroom imaging spectrograph in our laboratory. A plane transmission grating has been used
B. Couce, X. Prieto-Blanco, C. Montero-Orille, R. de la Fuente   +3 more
openaire   +1 more source

Spatial resolution enhancement for pushbroom-based microscopic hyperspectral imaging

Applied Optics, 2019
Hyperspectral imaging (HSI) is a promising tool for microscopic histopathology studies. Pushbroom microscopic hyperspectral imaging systems are widely used because of their low cost and easy implementation. However, the spatial resolution of pushbroom HSI systems is limited by the width of the optical entrance slit.
Zhe Jiang, Zekuan Yu, Yue Yu, Zhiyu Huang, Qiushi Ren, Changhui Li   +5 more
openaire   +2 more sources

Pushbroom Hyperspectral Imaging With a Coded Aperture

Frontiers in Optics, 2006
We describe a hyperspectral camera which operates by translating a scene across the entrance of a coded aperture spectrometer. This applies a sequence of unique codes to the image, allowing full reconstruction of the datacube.
A. D. Portnoy, M. E. Gehm, D. J. Brady
openaire   +1 more source

On Ground Calibration Of A Pushbroom Scanner

SPIE Proceedings, 1986
To perform in the laboratory the final calibration of a pushbroom scanner a flexible test arrangement has been developed. Herewith radiometric and geometric calibration can be performed to a CCD based multispectral scanner. With the same arrangement spectral calibration and a simple check of instrumental sensitivity to polarisation and straylight are ...
C. Smorenburg, A. L. G. van Valkenburg
openaire   +1 more source