Sökning: "Johnny Back"

Hittade 3 uppsatser innehållade orden Johnny Back.

1. 1. Track Before Detect in Active Sonar Systems

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Signaler och system

   Författare :Johnny Ljung; [2021]
   Nyckelord :signal processing; active sonar systems; track-before-detect; target tracking; reverberation; signalbehandling; aktiva sonarsystem; spårning innan detektion; målspårning; reverberation;

   Sammanfattning : Detection of an underwater target with active sonar in shallow waters such as the Baltic sea is a big challenge. This since the sound beams from the sonar will be reflected on the surfaces, sea surface and sea bottom, and the water volume itself which generates reverberation. LÄS MER

3. 2. Determination of Thermal Conductivity of Wood Exposed to Fire based on Small Scale Laboratory Trials for Finite Element Calculations

   Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Byggkonstruktion och brand

   Författare :Johnny Chung; [2017]
   Nyckelord :Wood; Cone Calorimeter. Conductivity; Fire; Temperature; TASEF; Finite element method; Trä; Konkalorimeter; Konduktivitet; Brand; Temperatur; TASEF; Finita elementmetoden;

   Sammanfattning : This study describes an approach to determine the thermal conductivity of wood at elevated temperatures. The aim is to be able to use the developed conductivity as input in structural elements in finite element calculations. LÄS MER

4. 3. Classification in Bone Scintigraphy Images Using Convolutional Neural Networks

   Master-uppsats, Lunds universitet/Matematik LTH

   Författare :Johnny Dang; [2016]
   Nyckelord :machine learning; deep learning; neural networks; convolutional neural networks; artificial neural network; ANN; CNN; bone scintigraphy; bone scan; prostate cancer; bone metastasis; bone scan index; Technology and Engineering;

   Sammanfattning : The main goal of this thesis is to design and implement a convolutional neural network (CNN) to classify whether hotspots in bone scintigraphy images represent cancer metastases, caused by prostate cancer, or some other physiological process. A side task was included, where another CNN was designed and trained to classify whether a bone scintigraphy image image is acquired from the front of the patient (anterior) or from the back (posterior). LÄS MER