Essays about: "Spatial denoising"

Found 5 essays containing the words Spatial denoising.

  1. 1. Quality enhancement of time-resolved computed tomography scans with cycleGAN

    University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Author : Johannes Stubbe; [2023]
    Keywords : carbon fibers; carbon fibres; microfibers; tomography; deep learning; cycleGAN; time-resolved tomography; Physics and Astronomy;

    Abstract : Time-resolved x-ray tomography enables us to dynamically and non-destructively study the interior of a specimen. The obtainable temporal resolution is limited by the x-ray flux and the desired spatial resolution. READ MORE

  3. 2. Investigating magnetic reconnectionevents in the solar chromosphere

    University essay from Stockholms universitet/Institutionen för astronomi

    Author : Filippa Koskelainen; [2020]
    Keywords : ;

    Abstract : The focus of this thesis is to investigate magnetic reconnection in the solar chromosphere by usinghigh spatial resolution data including polarimetric signals. Magnetic reconnection occurs whenmagnetic field lines of different directions come in contact and change the configuration of the fieldlines. READ MORE

  4. 3. Optimization of Non-Local Means filtration for Cone Beam Computed Tomography

    University essay from

    Author : Lina Berneryd; [2019-07-03T13:42:50Z 2019-07-03T13:42:50Z 2015]
    Keywords : Matematik; Grundläggande vetenskaper; Mathematics; Basic Sciences;

    Abstract : Cone Beam Computed Tomography (CBCT) is a medical imaging technique used to visualize the internals of an object from a set of X-ray images. The X-ray images are taken with a cone shaped X-ray beam at many angles around the object being visualized. The images are then back projected through a volume forming a 3D representation of the object. READ MORE

  5. 4. Spatio-Temporal Noise Filtering using Convolutional Neural Networks with a Realistic Noise Model under Low-Light Conditions

    University essay from Lunds universitet/Matematik LTH

    Author : Tim Borglund; Tor Nilsson; [2019]
    Keywords : Deep Learning; CNN; Image Processing; Video Denoising; Noise Filtering; Mathematics and Statistics;

    Abstract : Convolutional neural networks have in recent years been successfully employed for various image processing tasks, such as filtering noise. There are however relatively few published attempts for processing video in this way. READ MORE

  6. 5. Low Light Video Enhancement along with Objective and Subjective Quality Assessment

    University essay from Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

    Author : Venkata Gopi Krishna Dalasari; Sri Krishna Jayanty; [2016]
    Keywords : Contrast enhancement; Dynamic range; Kalman filter; Spatial denoising; Noise reduction; Temporal denoising; Tone mapping.;

    Abstract : Enhancing low light videos has been quite a challenge over the years. A video taken in low light always has the issues of low dynamic range and high noise. This master thesis presents contribution within the field of low light video enhancement. READ MORE