Ms. Yanping Jia Profile

Yanping Jia

SPIE Involvement:

Author

Publications (2)

This will count as one of your downloads.

You will have access to both the presentation and article (if available).

DOWNLOAD NOW

This content is available for download via your institution's subscription. To access this item, please sign in to your personal account.

Email or Username Forgot your username?

Password Forgot your password?

Show

Keep me signed in

No SPIE account? Create an account

Proceedings Article | 20 March 2014 Paper

The design of split row-column addressing array for 2D transducer

Yanping Jia, Liushuai Lv, Mingyue Ding, Ming Yuchi

Proceedings Volume 9040, 90401I (2014) https://doi.org/10.1117/12.2043328

KEYWORDS: Transducers, Image quality, Ultrasonography, 3D image processing, Electrodes, Imaging arrays, Point spread functions, Ultrasonics, Phased arrays, Beam splitters

Read Abstract +

Real-time 3D ultrasonic imaging with 2D array is difficult to implement because of the challenge in fabricating and interconnecting the 2D transducer array with a large number of elements. Row-column addressing provides a simple manufacturing method with 2N connections rather than N² for an N×N array. The top and bottom electrodes of the transducer are designed to be orthogonal, resulting in essentially two orthogonal1-D arrays in a single transducer. However, this interconnection scheme degrades the image quality because of defocusing in column direction in transmit event. To solve this problem, a split row-column addressing (SRCA) scheme is proposed in this paper. Rather than connecting all the elements in the column direction together, the array is divided into several disconnected blocks. This method can access focusing beams in both row and column directions. Selecting an appropriate split scheme is the key to maintaining a reasonable trade off in image quality and the number of connections. The relation between the number of split and the corresponding main-lobe width is discussed. The simulated point spread functions of 32×32 array with and without split row-column addressing are given out. The result shows the image quality is similar to fully addressing for 32×32 array in case of five blocks with 4, 6, 12, 6, and 4 elements of each block.

Proceedings Article | 29 March 2013 Paper

3D ultrasound coherence imaging based on 2D array design

Yanping Jia, Mengling Xu, Mingyue Ding, Ming Yuchi

Proceedings Volume 8675, 86750V (2013) https://doi.org/10.1117/12.2006592

KEYWORDS: Ultrasonography, 3D image processing, Point spread functions, Coherence imaging, Image quality, Coherence (optics), Receivers, Image resolution, Transducers, Imaging systems

Read Abstract +

During the last decade, various methods for 2D array design have been developed for real-time 3D ultrasonic imaging. Most of the methods concentrated on how to reduce the number of elements and channels to overcome the difficulties in array fabrication and mass data processing. Few works focused on the 2D array beamforming techniques to narrow the main lobe width and suppress the side and grating lobe levels, thus improve the 3D image quality. Coherence imaging (CI) has been verified to suppress the side and grating lobes of the 2D ultrasound images in an effective way. It was based on a statistical analysis of the received signal dispersion. In this paper, two kinds of CI, coherence factor (CF) and sign coherence factor (SCF) are modified for 2D arrays and combined with array designs to improve the 3D ultrasound image qualities. The simulation results of point spread functions show that the main lobe width is narrowed from 1.26mm to 1.01mm and the side lobe level is suppressed from -48.79dB to -79.31dB for dense arrays with CF. Similar simulation results can be obtained for other array designs. The combination of CI and 2D array design provides a potential approach to increase the 3D imaging resolution and contrast without increasing the system complexity.

My Library

You currently do not have any folders to save your paper to! Create a new folder below.

Folder Name

Folder Description

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks. You are receiving this notice because your organization may not have SPIE eBooks access.*

*Shibboleth/Open Athens users─please sign in to access your institution's subscriptions.

To obtain this item, you may purchase the complete book in print or electronic format on SPIE.org.

ORGANIZATIONAL
Sign in with credentials provided by your organization.

Organizational Username

Organizational Password

Show/Hide Password

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members:

Non-members: ADD TO CART

Keywords/Phrases

Search In:

Publication Years