Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Temporal filtering"”.
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Real-Time Contactless Heart Rate Estimation from Facial Video
… from facial videos by spatial decomposition and temporal filtering. Inspired by this, a new framework is introduced in this thesis for remotely estimating the heart rate under realistic conditions by combining spatial and temporal filtering and a convolutional neural network. Our proposed …
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Robust speech recognition based on spectro-temporal processing
In this thesis, novelle spectro-temporal feature extraction techniques are evaluated for enhancing the robustness of automatic speech recognition systems (ASR) in adverse acoustical conditions. Recent physiological and psychoacoustical findings indicate that spectro-temporal processing plays an …
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Eulerian Video Processing and medical applications
… and applies spatial decomposition, followed by temporal filtering to the frames. The resulting signals can be visually amplified to reveal hidden information, the process we called Eulerian Video Magnification. Using Eulerian Video Magnification, we are able to visualize the flow of blood as it …
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Comparison between different techniques of preprocessing for resting state fMRI analysis
… as the name suggests is defined as significant temporal correlation between spatially distinct regions of the brain during rest. In this thesis, fMRI resting state dataset was analyzed using different available processing techniques with the same fMRI data to study differences between the …
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Modelling and predictive control techniques for building heating systems
… unmeasured disturbances are present. A spatio-temporal filtering process was introduced to determine estimates of the disturbances from measured data, which were then incorporated with metaheuristic search techniques to derive high-order simulation models, capable of replicating the thermal …
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ROBUST WATERMARKING TECHNIQUES FOR SCALABLE CODED IMAGE AND VIDEO
… in the watermarked video. Motion compensated temporal filtering (MCTF) provides a good framework for accounting the motion. A generalized MCTF-based spatio-temporal decomposition domain (2D+t+2D) video watermarking framework is developed to address such issues. Improvements on imperceptibility …
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Increasing information transfer rates for brain-computer interfacing
… since a high gain can be achieved if the temporal filtering, i.e., the choice of frequency bands, is automatically adapted to each subject individually. <b>Implementation of the Berlin brain computer interface and realization of suitable experiments:</b> Finally a further substantial …
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Novel Texture-based Probabilistic Object Recognition and Tracking Techniques for Food Intake Analysis and Traffic Monitoring
<p>More complex image understanding algorithms are increasingly practical in a host of emerging applications. Object tracking has value in surveillance and data farming; and object recognition has applications in surveillance, data management, and industrial automation. In this work we introduce an …