NDLI: A high resolution ultrasonic imaging system for the detection of cervical cancer

Content Provider	IEEE Xplore Digital Library
Author	van der Heiden, M. Faber, G. Ongkiehong, L. Berkhout, A.J.
Copyright Year	1996
Description	Author affiliation: Lab. of Seismics & Acoust., Delft Univ. of Technol., Netherlands (van der Heiden, M.)
Abstract	A digital scanning system for the ultrasonic. Detection of cervical cancer has been developed. The acoustic transducer is a high frequency (30 MHz) wide band single element PVDF transducer. Pulse-echo traces are recorded at up to 2,048 angular positions at a speed of 16 revolutions per second. The high frequency signals are continuously digitized at 200 Msamples/s with a resolution of 10 bits. A processing unit converts the data into a high resolution "radial" image in real-time and stores the digitized RF-data for further processing. The scanner supports two modi, a real-time search mode and an off-line characterization mode. The first mode is to obtain a basic impression of the cervix. After selection of a region of interest, the second mode uses seismic processing tools for image enhancement and tissue characterization. In this mode use is being made of residual focussing to obtain a high depth-independent resolution and the resulting high resolution image is analyzed by linear Radon transformation for angle dependent information.
Starting Page	1341
Ending Page	1344
File Size	324651
Page Count	4
File Format	PDF
ISBN	0780336151
ISSN	10510117
DOI	10.1109/ULTSYM.1996.584294
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-11-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image resolution Ultrasonic imaging Acoustic signal detection Acoustic transducers Frequency Signal resolution Cancer detection Cervical cancer Wideband Ultrasonic transducers
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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