A Contribution To Active Infrared Laser Spectroscopy For Remote Substance Detection

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A Contribution To Active Infrared Laser Spectroscopy For Remote Substance Detection

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Author : Jarvis, Jan-Philip
language : en
Publisher: KIT Scientific Publishing
Release Date : 2017-12-04

A Contribution To Active Infrared Laser Spectroscopy For Remote Substance Detection written by Jarvis, Jan-Philip and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-04 with Electronic computers. Computer science categories.

In this work we present a stand-off, long wave infrared (LWIR) spectroscopy system for remote detection of hazardous substances. The principle is based upon wavelength selective illumination using External Cavity Quantum Cascade Lasers, that are tunable in the LWIR wavelength range from 7.5 - 10 μm, in which most chemical substances exhibit a highly characteristic absorption behaviour.

Simulation Based Planning Of Machine Vision Inspection Systems With An Application To Laser Triangulation

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Author : Mohammadikaji, Mahsa
language : en
Publisher: KIT Scientific Publishing
Release Date : 2020-06-22

Simulation Based Planning Of Machine Vision Inspection Systems With An Application To Laser Triangulation written by Mohammadikaji, Mahsa and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-22 with Computers categories.

A Contribution To Active Infrared Laser Spectroscopy For Remote Substance Detection

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Author : Jan-Philip Jarvis
language : en
Publisher:
Release Date : 2020-10-09

A Contribution To Active Infrared Laser Spectroscopy For Remote Substance Detection written by Jan-Philip Jarvis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-09 with Science categories.

In this work we present a stand-off, long wave infrared (LWIR) spectroscopy system for remote detection of hazardous substances. The principle is based upon wavelength selective illumination using External Cavity Quantum Cascade Lasers, that are tunable in the LWIR wavelength range from 7.5 - 10 μm, in which most chemical substances exhibit a highly characteristic absorption behaviour. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.

Towards Learning Object Detectors With Limited Data For Industrial Applications

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Author : Guirguis, Karim
language : en
Publisher: KIT Scientific Publishing
Release Date : 2025-04-02

Towards Learning Object Detectors With Limited Data For Industrial Applications written by Guirguis, Karim and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-04-02 with categories.

In dieser Dissertation werden drei neuartige Generalized FSOD (G-FSOD)-Ansätze vorgestellt, die das Vergessen von zuvor gelernten Klassen beim Lernen neuer Klassen mit begrenzten Daten minimieren. Die ersten beiden Ansätze reduzieren das Vergessen von Basisklassen, wenn diese während des Trainings noch verfügbar sind. Der dritte Ansatz, für Szenarien ohne Basisdaten, nutzt Wissensdestillation, um den Wissenstransfer zu verbessern. - In this dissertation, three novel Generalized Few-Shot Object Detection (G-FSOD) approaches are presented to minimize the forgetting of previously learned classes while learning new classes with limited data. The first two approaches reduce the forgetting of base classes if they are still available during training. The third approach, for scenarios without base data, uses knowledge distillation to improve the knowledge transfer.

Application Of Diffractive Lens Arrays In Confocal Microscopy

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Author : Li, Zheng
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-06-27

Application Of Diffractive Lens Arrays In Confocal Microscopy written by Li, Zheng and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-27 with Science categories.

Diffractive lens arrays are proposed in this work for application in reflected-light confocal microscopes. They have overcome the limitations between fields of view and resolution of traditional objectives. Experiments of multi-spot confocal imaging in surface metrology and fluorescence microscopy have been demonstrated based on the proposed concepts, which have shown capabilities of high-resolution measurement over a large area.

High Speed Surface Profilometry Based On An Adaptive Microscope With Axial Chromatic Encoding

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Author : Luo, Ding
language : en
Publisher: KIT Scientific Publishing
Release Date : 2021-02-25

High Speed Surface Profilometry Based On An Adaptive Microscope With Axial Chromatic Encoding written by Luo, Ding and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-25 with Computers categories.

An adaptive microscope with axial chromatic encoding is designed and developed, namely the AdaScope. With the ability to confocally address any locations within the measurement volume, the AdaScope provides the hardware foundation for a cascade measurement strategy to be developed, dramatically accelerating the speed of 3D confocal microscopy.

Retroreflex Ellipsometry For Nonplanar Surfaces

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Author : Chen, Chia-Wei
language : en
Publisher: KIT Scientific Publishing
Release Date : 2025-04-29

Retroreflex Ellipsometry For Nonplanar Surfaces written by Chen, Chia-Wei and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-04-29 with categories.

Retroreflex ellipsometry addresses the geometric restrictions of conventional ellipsometry by using a retroreflective sheet, which returns the light beam from the sample on the same beam path. Simulation and experiments of retroreflex ellipsometry in two- and three-phase systems have been demonstrated based on the proposed concepts, which have shown the capabilities of ellipsometric measurements on nonplanar surfaces.

Light Field Methods For The Visual Inspection Of Transparent Objects

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Author : Meyer, Johannes
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-08-22

Light Field Methods For The Visual Inspection Of Transparent Objects written by Meyer, Johannes and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-22 with Science categories.

Bildfolgenbasierte Gewinnung Und Nutzung Partikelindividueller Bewegungsinformation In Der Optischen Sch Ttgutsortierung

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Author : Maier, Georg
language : de
Publisher: KIT Scientific Publishing
Release Date : 2022-06-21

Bildfolgenbasierte Gewinnung Und Nutzung Partikelindividueller Bewegungsinformation In Der Optischen Sch Ttgutsortierung written by Maier, Georg and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-21 with Computers categories.

Die sensorgestützte Sortierung ermöglicht die Trennung einzelner Partikel aus einem Materialstrom. In dieser Arbeit wird eine neue Gattung eines Schüttgutsortiersystems mit Flächenkamera erforscht. Der Einsatz von Hochgeschwindigkeitskameras als Inspektionssensorik wirft aus Sicht der Informatik spannende Forschungsfragen hinsichtlich der Gewinnung und Nutzung weitergehender Merkmale, insbesondere von Bewegungsinformation über zu sortierende Materialien, auf. - Sensor-based sorting enables the separation of individual particles from a material stream. In this work, a novel sorting system using an area-scan camera is investigated. The use of high-speed cameras raises exciting research questions from a computer science perspective regarding the extraction and use of more advanced features, especially motion information about the materials to be sorted.

Untersuchung Diffus Spiegelnder Oberflaechen Mittels Infrarotdeflektometrie

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Author : Hoefer, Sebastian
language : de
Publisher: KIT Scientific Publishing
Release Date : 2017-12-19

Untersuchung Diffus Spiegelnder Oberflaechen Mittels Infrarotdeflektometrie written by Hoefer, Sebastian and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-19 with Electronic computers. Computer science categories.

Thermal infrared deflectometry is based on the effect that rough surfaces, although having a dull appearance in the visual spectrum, exhibit a specular reflection in the thermal infrared spectrum and therefore enabling surface inspection with the method of deflectometry. This work covers the problems of generating the required thermal code patterns. The evaluation either adapts established methods from deflectometry, or new methods are introduced.