35
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Digital Scnsortcchnology (2 h), Semester 5
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Content: + Fundamentals from physics which are necessary to understand electro- ^ Pk
optical and electronic sensors Plu
+ Functioning of different sensors and their limitations Sai
+ Study of signal processing, data transfer to computer, and elementary Pk
methods of data interpretation • Pk
+ Some applications and instruments Pk
DU
(1) Basics of optics and supplements
The ideal imaging system and limitations, image enhancement
(2) Generation and detection of optical radiation
Photoelectric-effect, interaction of light with atoms and solids, technical DU
realisation of light sources, coherence ph<
(3) Analysis of linear systems ev<
Linear systems, convolution, PSF, MIT and PTF, Fourier transformation, phc
energy spectrum, noise, cross- and autocorrelation, matched filters It i
(4) Traditional image sensor systems cor
The human eye, photographic camera, TV (vidicon, colour)
(5) Basics of information theory
Time discretisation, Shannon theorem, digital filters
(6) Basics of electronics
Hardware for digitisation, A/D conversion, buffer, computer interface
(7) Semiconductor- and metal-physics
Ribbon model, semiconductors (donation, pn-transition, MOS/MIS-
structures, temperature ranges), metal properties, photomultiplier and
micro-channel-plates
(8) Semiconductor image sensors
CCDs (frame, interline), xy-addressing (CID, MOS), properties and
characterisation (spectral sensitivity, S/N, linearity, resolution), infrared
sensor
(9) Ultrasound
Doppler-effect, piezo-effect, imaging ultrasound techniques, phased-array
technique, acusto-optical modulator
(10) Radar, Lidar and GPS
Radar (spectrum, reflection cross sections, phased-array,
pulse-compressionf synthetic aperature, etc.), LIDAR (detection and
ranging), GPS (signal processing aspects)
(11) Optical triangulation techniques
Photoelectrical distance measurement, light sectioning, Moiré
(12) Optical interference methods
Michelson-, Twyman-Green-, Mach-Zerhnder-, Hederodyne interfero
meters, holography, Speckle
(13) Tomography
Backprojection, optimal S/N, incomplete projection data
(14) Scanning Microscopy
(15) Outlook into the future
Adaptive optics, semiconductor laser, intelligent image sensors, remote
sensing and more and more computing
From this description it becomes clear that digital scnsortcchnology is an excellent
preparatory course for photogrammetry and remote sensing, and in particular for
digital photogrammetry.
