Search for dissertations about: "temporal speckle"
Showing result 1 - 5 of 11 swedish dissertations containing the words temporal speckle.
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1. Partially Coherent Laser Radiation - Modeling and Application to Optical Microlithography
Abstract : This work deals with a type of light that has properties somewhere between blackbody radiation and conventional laser light; such light is referred to as partially coherent. One example is the radiation from the pulsed excimer laser, which is used in the manufacturing of most of the worlds integrated circuits. READ MORE
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2. Image Analysis and Enhancement with Applications in Medicine
Abstract : This thesis consists of six parts in which methods for image analysis and processing are studied. Two-dimensional medical images, image sequences, and three-dimensional image volumes are considered. READ MORE
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3. On perfusion estimation using ultrasound
Abstract : This thesis has the main focus on ways to improve the blood perfusion estimate, as obtained from a continuous wave Doppler system. Earlier studies have shown large temporal variations in the detected perfusion estimate, due to speckle. READ MORE
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4. Shape measurements using temporal phase unwrapping
Abstract : This licentiate thesis is devoted to shape measurements using two different optical methods. The first one is a classical triangulation method, which uses projected fringes. The second one is a new interferometric method, which uses wavelength scanning. Both are whole field measuring methods. READ MORE
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5. Optical shape measurements using temporal phase unwrapping
Abstract : This doctoral thesis is devoted to optical shape measurements using an analysis scheme called temporal phase unwrapping. This scheme makes it possible to determine the absolute distance from a detector (usually a camera’s CCD-detector) to an object. Two different optical methods are considered for this 3-D sensing. READ MORE