Airborne Laser Scanning and Image Processing Techniques for Archaeological Prospection
نویسندگان
چکیده
منابع مشابه
Multi-wavelength Airborne Laser Scanning for Archaeological Prospection
Airborne laser scanning (ALS) is a widely used technique for the sampling of the earth’s surface. Next to the widely used geometric information current systems provide additional information about the signal strength of each echo. In order to utilize this information, radiometric calibration is essential. As a result physical observables that characterise the backscatter characteristic of the s...
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Small-footprint airborne laser scanners with waveform-digitising capabilities are becoming increasingly available. Waveformdigitising is particularly advantageous when the backscattered echo waveform is complex because it allows selecting processing algorithms adjusted to the task. In addition, waveform-digitising laser scanners depict the physical measurement process in its entire complexity. ...
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Taking advantage of the laser scanning methodology, confocal microscopy has been widely applied in cutting-edge biological research for its three-dimensional, high-resolution imaging capability (Pawley 1995). The principles of confocal were put forward by Marvin Minsky in 1955 (Minsky 1988), yet the experimental demonstration was not accomplished until 20 years later by Cremer brother (Cremer, ...
متن کاملFull-waveform airborne laser scanning as a tool for archaeological reconnaissance
Airborne Laser Scanning (ALS), also referred to as LiDAR, is a rather new technique to produce dense and high precision measurements of the topography of the Earth’s surface (Ackermann, 1999; Kraus, 2004, 449470; Wehr and Lohr, 1999). The scanning device is typically mounted at the bottom or below an aeroplane or helicopter. For the determination of object points, the laserscanner emits short i...
متن کاملPrinciples of airborne laser scanning
Figure 1 represents the paradigm of laser scanning. A paradigm as generally known focuses on the basics and ignores minor matters. The paradigm of laser scanning can be characterised in the following way: • A bundle of 3D-vectors, positioned by GPS and oriented by IMU • Active sensors Figure 2 illustrates the paradigm of Stereo-Photogrammetry and can be characterized by: • 2 directed bundles, w...
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ژورنال
عنوان ژورنال: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
سال: 2014
ISSN: 2194-9034
DOI: 10.5194/isprsarchives-xl-5-231-2014