Sökning: "Video Denoising"

Hittade 5 uppsatser innehållade orden Video Denoising.

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

    Master-uppsats, Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

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

    Sammanfattning : 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. LÄS MER

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

    Master-uppsats, Lunds universitet/Matematik LTH

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

    Sammanfattning : 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. LÄS MER

  4. 3. Denoising and renoising of videofor compression

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för informationsteknologi

    Författare :Anders Derk Gärdenäs; [2017]
    Nyckelord :;

    Sammanfattning : Videos contain increasingly more data due to increased resolutions. Codecs are further developed and improved to reduce the amount of data in videos. One difficulty with video encoding is noise handling, it's expensive to store noise and the final result is not always aesthetically pleasing. LÄS MER

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

    Magister-uppsats, Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

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

    Sammanfattning : 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. LÄS MER

  7. 5. Analysis of Optical Flow Algorithms for Denoising

    Master-uppsats, Lunds universitet/Matematik LTH

    Författare :Markus Larsson; Louise Söderström; [2015]
    Nyckelord :Optical flow; noise reduction; video sequences; video surveillance; algorithms; Mathematics and Statistics; Technology and Engineering;

    Sammanfattning : When a video sequence is recorded in low-light conditions, the image often become noisy. Standard methods for noise reduction have difficulties with motion. But the interesting parts in a video is often the ones that are moving, for instance a burglar captured in a surveillance video. LÄS MER