نتایج جستجو برای: push broom
تعداد نتایج: 17779 فیلتر نتایج به سال:
The SRC or Super Resolution Channel is the framing imaging subsystem of the HRSC experiment on the ESA Mars Express spacecraft, designed to show high-resolution detail within the broad swath of the HRSC push-broom camera. It has a separate optical system (focal length 980 mm, f/11) and a 1024x1024 CCD detector, achieving a ground pixel size of 2.3 m from an altitude of 250 km [1]. By December 2...
Three line stereo scanners working in push-broom mode are of high interest for future remote sensing camera developments. This contribution deals with some basic considerations concerning the geometric, spectral, and radiometric design of such a camera. These considerations are applied to the design of the Wide-Angle Optoelectronic Stereo Scanner WAOSS for the Russian mission Mars-96 (Bild&Ton,...
A new camera model for transforming object space coordinates into image coordinates as affected by a push-broom sensor traveling in a straight line is described. It is shown that this transformation can be encoded in a 3 × 4 matrix M representing a non-linear Cremona transformation of object space into image space. Significantly, unlike other known models for satellite cameras, M can be estimat...
The requirement to operate aircraft in GPS-denied environments can be met by using visual odometry. Aiming at a full-scale aircraft equipped with a high-accuracy inertial navigation system (INS), the proposed method combines vision and the INS for odometry estimation. With such an INS, the aircraft orientation is accurate with low drift, but it contains high-frequency noise that can affect the ...
Exterior orientation parameters' (EOP) estimation using space resection plays an important role in topographic reconstruction for push broom scanners. However, existing models of space resection are highly sensitive to errors in data. Unfortunately, for lunar imagery, the altitude data at the ground control points (GCPs) for space resection are error-prone. Thus, existing models fail to produce...
The linear array push broom imaging mode is widely used for high resolution optical satellites (HROS). Using double-cameras attached by a high-rigidity support along with push broom imaging is one method to enlarge the field of view while ensuring high resolution. High accuracy image mosaicking is the key factor of the geometrical quality of complete stitched satellite imagery. This paper propo...
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