Sökning: "signal intensity"

Visar resultat 1 - 5 av 94 uppsatser innehållade orden signal intensity.

  1. 1. Gadoliniumansamling hos patienter med multipel skleros samt implementering av artificiell intelligens vid magnetresonanstomografi

    Uppsats för yrkesexamina på grundnivå, Luleå tekniska universitet/Institutionen för hälsa, lärande och teknik; Luleå tekniska universitet/Institutionen för hälsa, lärande och teknik

    Författare :Sofia Lindström; Maja Becarevic; [2021]
    Nyckelord :Gadolinium; deposition; signal intensity; magnetic resonance imaging; Xray nurse; radiographer; artificial intelligence; deep learning; multiple sclerosis; Gadolinium; ansamling; signalintensitet; magnetresonanstomografi; röntgensjuksköterska; radiografi; artificiell intelligens; deep learning; multipel skleros;

    Sammanfattning : Introduktion: Uppskattningsvis 40% av alla magnetresonanstomografiska (MRT) undersökningar som görs i Europa och USA utförs med gadoliniumbaserade kontrastmedel. Under det senaste decenniet har det i flera studier uppmärksammats att ansamling av gadolinium sker i olika strukturer i hjärnan. LÄS MER

  2. 2. Raman Spectroscopy for Characterizing Porous carbon

    Magister-uppsats, Lunds universitet/Fysiska institutionen; Lunds universitet/Förbränningsfysik

    Författare :Rima Zuriah Amdani; [2020]
    Nyckelord :Raman Spectroscopy; Porous Carbon; Biochar; Carbonization; Aromaticity; Physics and Astronomy; Technology and Engineering; Chemistry;

    Sammanfattning : Porous carbon obtained from low cost and abundant biomass has gained attention as renewable material feedstock. In this study, porous carbon biochar produced through pyrolysis was investigated by Raman spectroscopy to disclose the structural properties. LÄS MER

  3. 3. Evaluation of ULM for sub-wavelength imaging of microvasculature in skeletal muscles : A simulation study

    Master-uppsats, Umeå universitet/Institutionen för fysik

    Författare :Andreas Selin; [2020]
    Nyckelord :;

    Sammanfattning : A vital part of the human anatomy is the circulatory system, which branches out in a vast network of vessels delivering oxygen and other nutrients to all parts of the body. In a human adult, there are about 40 billion capillaries with a diameter of about 10 µm. LÄS MER

  4. 4. Machine Learning Enabled Nonlinear Phase Noise Mitigation for Coherent Optical Systems

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

    Författare :Sergio Steven Gutierrez; [2020]
    Nyckelord :QAM; NLIN; NLPN; Machine Learning; Coherent Optical Communication; Nonlinear Noise Compensation; Physics and Astronomy; Technology and Engineering;

    Sammanfattning : In the current development of coherent optical communication systems, nonlinear noise is considered to be the ultimate bottleneck when extending the transmission length. In this report we suggest a nonparamter digital signal processing scheme to extend the transmission length of a fiber link. LÄS MER

  5. 5. Characterization of cellular enzymatic activity through functional single cell analysis using DropMap

    Master-uppsats, Lunds universitet/Institutionen för Immunteknologi

    Författare :Linnea Gidner; [2020]
    Nyckelord :Single-cell analysis; enzymatic activity; cell heterogeneity; Biology and Life Sciences;

    Sammanfattning : Assuming normal distribution within cell populations has long been status quo in cellular research. With the fast development of techniques, numerous examples of heterogeneites within isogenic cultures have been unveiled, demonstrating the need of single cell analysis. LÄS MER