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 20 of 21 for “"Tumor detection"”.
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Brain Tumor Detection and Classification from MRI Images
<p>A brain tumor is detected and classified by biopsy that is conducted after the brain surgery. Advancement in technology and machine learning techniques could help radiologists in the diagnosis of tumors without any invasive measures. We utilized a deep learning-based approach to detect and …
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Tactile sensation imaging system and algorithms for tumor detection
Diagnosing early formation of tumors or lumps, particularly those caused by cancer, has been a challenging problem. To help physicians detect tumors more efficiently, various imaging techniques with different imaging modalities such as computer tomography, ultrasonic imaging, nuclear magnetic …
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A FPGA/DSP based ultrasound system for tumor detection
This work presents a method of detection of size and location of tumor using ultrasound transmission. The system utilizes Quantitative Ultrasound (QUS) which means sending an ultrasound signal from a transmitter and receiving it at multiple receivers. This received signal is analyzed for echogenic …
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Multispectral segmentation of whole-brain MRI
… widely used medical technology for diagnosis and detection of various tissue abnormalities, tumor detection, and in evaluation of either residual or recurrent tumors. This thesis work exploits MRI information acquired on brain tumor structure and physiological properties and uses a novel image …
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Towards Resilient Models: A Deep Learning Odyssey through Mammographic Images
… level, resulting in a substantial improvement in tumor detection. To further investigate the impact of Convolutional Neural Network (CNN) architectures for medical image segmentation, two novel CNN architectures, ConnectedUNets+ and ConnectedUNets++ are proposed, each tailored for single-view …
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Self-assembly of bioactive or electrocatalytic polyaspartamide nanoparticles
… and subsequently enhance the quality of tumor detection (Chapter 2); 2) To functionalize the nanocarrier surface with a wide array of antibodies in a simple yet elaborate bio-inspired approach (Chapter 3); 3) To improve electrocatalytic activities of polymeric micelles via surface coating …
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A non-clinical method to simultaneously estimate thermal conductivity, volumetric specific heat, and perfusion of in-vivo tissue
Many medical therapies, such as thermal tumor detection and hypothermia cancer treatments, utilize heat transfer mechanisms of the body. The focus of this work is the development and experimental validation of a method to simultaneously estimate thermal conductivity, volumetric specific heat, and …
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In Vivo computation - Where computing meets nanosystem for smart tumor biosensing
… the world just because of cancer by 2030. Early tumor detection is very crucial to saving the world from this alarming mortality rate. However, it is an insurmountable challenge for the existing medical imaging techniques with limited imaging resolution to detect microscopic tumors. Hence, the …
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Advanced neural networking and classification techniques for human brain tissues diagnoses: segmenting healthy, cancer affected and edema brain tissues
The brain tumors, are the most common and aggressive disease, leading to a very short life expectancy in their highest grade. Thus, treatment planning is a key stage to improve the quality of life of patients. Generally, various image techniques such as Computed Tomography (CT), Magnetic Resonance …
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Magnetic particle imaging for intraoperative breast cancer margin assessment and functional brain imaging
… fast temporal resolution, and quantitative detection. The field of MPI is currently preclinical, and this work aims to scale MPI to human sizes by developing and validating it for two clinical applications: tumor detection and imaging for intraoperative margin assessment during …
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Ultra-Wideband Channel Modeling using Singularity Expansion Method
… doctoral research is to improve buried landmine detection as well as breast tumor detection by applying statistical and fuzzy analysis to the backscatter response. Moreover, radar target identification using UWB short pulses stands to gain tremendously from this research.
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The role of tomato and lycopene consumption on prostate carcinogenesis and prostate cancer treatment
… lethal stage of PCa occurs after the prostate tumor acquires mutations to sustain growth despite androgen deprivation therapy (ADT). We hypothesized that tomato or lycopene products would reduce the emergence of CRPC. To test this hypothesis, TRansgenic Adenocarcinoma of the Mouse Prostate …
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Engineering layer-by-layer nanoparticles for the targeted delivery of therapeutics to ovarian cancer
… a small library of LbL NPs that screen for tumor-targeting properties on ovarian cancer cells, both in vitro and in vivo. Our results demonstrate that ovarian cancer cells have a high affinity to carboxylated LbL NPs, and we report several tumor-targeting formulations with distinct …
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The Potential of Cellulose Nanocrystals in the Detection and Treatment of Cancer
… Consequently, countless new methods for early detection and drug delivery have been investigated in the area of nanoparticles and hydrogels. Although many of these methods are promising, the complex nature of cancer increases the difficultly for the development of the perfect system. Cellulose …
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System Optimization and Iterative Image Reconstruction in Photoacoustic Computed Tomography for Breast Imaging
… framework where the detectability of breast tumor can be directly quantified, therefore the images produced by such optimized imaging systems are not only visually appealing, but most informative in terms of the tumor detection task. Fourth, when imaging a large three-dimensional (3D) object …
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Impact of dietary tomato intake on prostate cancer throughout the course of disease development and progression in a transgenic mouse model
… deprivation therapy (ADT). Despite initial tumor regression, PCa inevitably recurs within 2-3 years and becomes known as castration-resistant PCa (CRPC), a terminal and treatment-resistant disease. Second only to potatoes, tomatoes are widely consumed in a variety of forms throughout the …
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¹H-MRSI at 7T using spectral-selective binomial excitation and adiabatic refocusing
… clinical and preclinical applications, such as tumor detection and grading, and the study of metabolic alterations in Alzheimer’s disease and other neurological disorders. However, MRSI signals typically suffer from low signal-to-noise ratio (SNR) due to the inherently low sensitivity of MRSI. …
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Plasmonic Nanoplatforms and Surface-enhanced Raman Spectroscopy for in vivo Sensing: from Plants to Animals
… thus requiring the need for in situ fiber detection. Also, the fiber sensing approach is necessary for facilitating field analyses of microRNAs since the gold standard methods can only be performed in laboratory settings on the timescale of days. The fiber-optrodes were capable of …
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Dietary tomato carotenoids and β-carotene-15,15'- dioxygenase (Bco1) genotype alter androgen metabolism, lipid metabolism, and prostate cancer progression in mice
… (TP-I). To induce castration-resistant tumors, all animals were castrated at 12 weeks of age. Beginning at 10 weeks of age, mice were monitored longitudinally with biweekly ultrasound scans for tumor detection and measurement of tumor growth rate. Using this experimental design, we have …
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