Kim, Jae Seong. (2022). Dual-frequency Capsule Type Ultrasound Endoscopic System for Deep Learning-based High-resolution In-depth Imaging. doi: 10.22677/thesis.200000591941
Ultrasound capsule endoscope, Ultrasound imaging, Dual-frequency, Deep learning
Table Of Contents
I. Introduction 1 1.1 Motivation 1 1.2 Backgrounds 3 1.2.1 Basic principles of ultrasound 3 1.2.2 Ultrasound B-mode imaging 7 1.2.3 Image enhancement in ultrasound imaging 8 II. Materials and Methods 12 2.1 System configuration 12 2.2 Capsule design 15 2.3 Ultrasound transducer fabrication 17 2.4 Ultrasound imaging 20 2.5 Deep learning network 21 2.6 Quantitative analysis and Evaluation method 25 III. Results and Discussions 29 3.1 Evaluation of the proposed system 29 3.1.1 Penetration depth according to the center frequency 30 3.1.2 Spatial resolution 32 3.1.3 Quality improvement 33 3.1.4 Structural similarity index 36 IV. Conclusion 38 V. Reference 40 요 약 문 43
