Simulator Development for Speckle Reduction by Spatial Compounding in Ultrasonic Diagnostic Imaging System

2006 ◽  
Author(s):  
Myoung Choi ◽  
Jong Park
Keyword(s):  
Diagnostic Imaging ◽  
Imaging System ◽  
Speckle Reduction ◽  
Spatial Compounding

Multi-Angle Compound Imaging

1998 ◽  
Vol 20 (2) ◽  
pp. 81-102 ◽  
Author(s):  
Søren K. Jespersen ◽  
Jens E. Wilhjelm ◽  
Henrik Sillesen
Keyword(s):  
Excellent Agreement ◽  
Imaging System ◽  
Speckle Pattern ◽  
Speckle Reduction ◽  
Conventional Imaging ◽  
Low Contrast ◽  
Spatial Compounding ◽  
Design And Implementation ◽  
Scanning Technique

This paper reports on a scanning technique, denoted multi-angle compound imaging (MACI), using spatial compounding. The MACI method also contains elements of frequency compounding, as the transmit frequency is lowered for the highest beam angles in order to reduce grating lobes. Compared to conventional B-mode imaging MACI offers better defined tissue boundaries and lower variance of the speckle pattern, resulting in an image with reduced random variations. Design and implementation of a compound imaging system is described, images of rubber tubes and porcine aorta are shown and effects on visualization are discussed. The speckle reduction is analyzed numerically and the results are found to be in excellent agreement with existing theory. An investigation of detectability of low-contrast lesions shows significant improvements compared to conventional imaging. Finally, possibilities for improving diagnosis of atherosclerotic diseases using MACI are discussed.

Acoustic Speckle: Theory and Experimental Analysis

1979 ◽  
Vol 1 (4) ◽  
pp. 303-324 ◽  
Author(s):  
John G. Abbott ◽  
F. L. Thurstone
Keyword(s):  
Experimental Study ◽  
Experimental Analysis ◽  
Phased Array ◽  
Imaging System ◽  
Experimental Studies ◽  
Laser Speckle ◽  
Speckle Reduction ◽  
Multiple Images ◽  
Starting Point ◽  
Speckle Patterns

A theoretical and experimental study of speckle, as applied to ultrasonic imaging, is presented. The concept of laser speckle is briefly reviewed and is used as a starting point to explain the origin of acoustic speckle. The primary differences between these two phenomena are discussed and are confirmed by experiment. An experimental study of speckle reduction by summation of multiple images is also presented. Several techniques for generating independent speckle patterns for use in image summation schemes are proposed. A phased array, dynamically focused sector imaging system was used in all of the experimental studies reported.

scholarly journals Su1267 DIAGNOSTIC IMAGING SYSTEM WITH VIRTUAL ENTEROSCOPY AND COMPUTER-AIDED DETECTION FOR EVALUATION OF SMALL BOWEL LESIONS OF CROHN'S DISEASE

2018 ◽  
Vol 87 (6) ◽  
pp. AB304
Author(s):  
Kazuhiro Furukawa ◽  
Ryoji Miyahara ◽  
Kohei Funasaka ◽  
Hiroki Suhara ◽  
Masanobu Matsushita ◽  
...  
Keyword(s):  
Crohn’S Disease ◽  
Small Bowel ◽  
Crohn's Disease ◽  
Diagnostic Imaging ◽  
Imaging System ◽  
Computer Aided Detection ◽  
Computer Aided

scholarly journals Toward a Miniaturized Wireless Fluorescence-Based Diagnostic Imaging System

2008 ◽  
Vol 14 (1) ◽  
pp. 226-234 ◽  
Author(s):  
Moussa Kfouri ◽  
Ognian Marinov ◽  
Paul Quevedo ◽  
Naser Faramarzpour ◽  
Shahram Shirani ◽  
...  
Keyword(s):  
Diagnostic Imaging ◽  
Imaging System

66 P The given diagnostic imaging system in Crohn's disease patients

2002 ◽  
Vol 34 ◽  
pp. A93
Author(s):  
P. Di Giorgio ◽  
L. De Luca ◽  
G. Rivellini ◽  
E. D'Amore ◽  
B. De Luca
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Diagnostic Imaging ◽  
Imaging System ◽  
The Given
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