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For cancer diagnosis, 1H magnetic resonance imaging (MRI) is advantageous in sensitivity but lacks selectivity. Endogenous 19F MRI signal in humans is barely detectable and thus 19F MRI has very high selectivity. A combination of 1H and 19F MRI is ideal for precise tumor imaging but a protease‐controlled strategy of simultaneous T21H MRI enhancement and 19F MRI “Turn‐On” has not been reported. Here,...
Solitary pulmonary nodules (SPN) in digital radiography (DR) images often have unclear contours and infiltration, which make it a challenging task for traditional segmentation models to get satisfactory segmentation results. To overcome this challenge, this paper has proposed an adaptive SPN segmentation model for DR images based on random walks segmentation and sequential filter. First, the SPN image...
Magnetic induction tomography(MIT) is a noninvasive and contactless medical imaging technique. The 16 channels of MIT system is showed in the paper, which image for the low conductivity object with working at 1MHz. In the study, we use the water tanker filled with salt solution and the different conductivity agar blocks to simulate the human brain with edema or hematoma. The each sensor is composed...
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