Date: 18 Mar 93 13:23:51-PST
From: Vision-List moderator Phil Kahn <Vision-List-Request@TELEOS.COM>
Errors-to: Vision-List-Errors@TELEOS.COM
Reply-to: Vision-List@TELEOS.COM
Subject: VISION-LIST digest 12.13
To: Vision-List@TELEOS.COM

VISION-LIST Digest    Thu Mar 18 13:23:51 PDT 93     Volume 12 : Issue 13

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Today's Topics:

 Announcing Object Recognition Toolkit (ORT) version 2.3
 Matrox MVP-AT Card needed!
 Stereo algorithms, looking for
 New job
 Graduate Studentship: Computer Aided Determination of High Risk Mammograms
 Position in Image Compression at HP Labs
 ICARCV'94 call-4-papers

------------------------------

Date: Mon, 15 Mar 93 19:50 GMT
From: The Maverick <ATAE@spva.physics.imperial.ac.uk>
Subject: Announcing Object Recognition Toolkit (ORT) version 2.3

[ This code may be found in the Vision List Archive in the 
  SHAREWARE subdirectory.			phil...		]

	         Object Recognition Toolkit (ORT) Version 2.3
	         ============================================

ORT is a collection of pixel grouping S/W in C aimed for use on Unix platforms
(tested on Sun4, Decstation, Iris, X86 under Linux etc..). It is available
as a compressed tarfile (ORT-2.3.tar.Z) via anonymous ftp from ftp.teleos.com 
[131.119.250.108] in the directory VISION-LIST-ARCHIVE/PUBLIC. Currently the 
starting point for ORT is an edge detected image. The S/W is in the form of 
filters and includes a displayer for use on COLOUR workstations under X11R4/5. 
All the S/W comes under the GNU general public licence. Also included are 
LaTeX copies of papers on some of the S/W (FEX, LPEG). Basically ORT allows 
you to create progressively more complex groupings of a set of edge pixels 
[lines/arcs ->parallel/collinear/junctions -> triplets/corners/polygons]. 
BTW, if you have a LaTeX style file for PAMI or any other AI/IP/CV journals 
I'd be most grateful for a copy. Changes from previous versions are:

Version 2.1:
1. All programs are now default driven
2. PGM format as standard with option for raw images
3. Added new options to LPEG and IPEG
4. IPEG is fully general and very much faster
5. LPEG now has option to consider pairs of collinear lines as real lines

Version 2.3:
1. Changed names of programs and converted to lowercase characters
2. Added support for rectangular images
3. Fixed problem with HUGE value being too big for some compilers (eg
gcc on 386 and 486PCs.)
4. Now all programs (except ort2image) may be chained using Unix pipes
5. The ID number assigned to Lines and Circular arcs is constant. Before I
used to change ID numbers when grouping the lines. This caused some
people problems.
6. All programs are faster (specially ipeg).
7. Fixed problem (actually a C bug I think :) in ipeg which made it give
segmentation fault for no reason. This was due the use of bcopy.
If you set the quality factor very low (eg 0.3) it usually it requires
too much memory for average machines and crashes. Since I don't know how
to check for available memory on-the-fly I left this alone.
8. Restructured the directories

The features defined within ORT represent the complete set required to
recognize any polyhedral object (view point independently) starting from edge
information. Available later this year will be an Edge detection module,
and hopefully also a generalised curve grouping system.

    CODE                              DESCRIPTION

Liste              List handling library in C by Jean-Paul Schmidt formerly
                   of University of Surrey, UK. [Version 1.2]

chainpix           Pixel Chainning code by Geoff A.W. West and Paul L. Rosin
       		   of Curtin University, Australia [Version 1.2]

fex                Segments chained pixel lists produced by chainpix
                   into straight-line segments and circular arcs. [Version 1.7]

lpeg               Low-level straight-line grouping [Version 1.9]. Groups
                   straight-line segments produced by fex into:
       			Parallel overlapping   Parallel non-overlapping
       			Collinear              V,L,T, and Lambda Junctions

ipeg               Intermediate-level grouping [Version 2.1]. Groups sets
                   produced by lpeg into:
                         Triplets (barends, Z)
                         Corners  (3 lines sharing a junction point)
                         Polygons

DisplayGrps        X11R4/5 viewer for the above groupings/segments by
                   Jean-Paul Schmidt and Ata Etemadi [Version 1.2]

All contributions/comments to the distribution are most welcome. If you
have any problems I'll be glad to help. 

       best regards
       		Ata <(|)>.

| Mail          Dr Ata Etemadi, Blackett Laboratory,                          |
|               Space and Atmospheric Physics Group,                          |
|               Imperial College of Science, Technology, and Medicine,        |
|               Prince Consort Road, London SW7 2BZ, ENGLAND                  |
| Internet/Arpanet/Earn/Bitnet atae@spva.ph.ic.ac.uk or ata@c.mssl.ucl.ac.uk  |
| Span                              SPVA::atae       or     MSSLC:atae        |
| UUCP/Usenet                       atae%spva.ph.ic@nsfnet-relay.ac.uk        |

------------------------------

Date: Tue, 16 Mar 93
From: Herbert Hufnagl <HU@flexaut.tuwien.ac.at>
Subject: Matrox MVP-AT Card needed!

Our Institute is in urgent need for a Matrox MVP-AT Card. Because
this card is not of the latest technology, we hope to find
somebody who has a used MVP-Card that is not in use anymore, and who
would sell it cheap. We do not need the card for commercial use - we
use it to teach students at the University of Technology, Vienna.

Thank you, Herbert

Herbert Hufnagl
Institute for Flexible Automation
University of Technology Vienna
Gusshauustr. 27-29/361
A-1040 Vienna/AUSTRIA
Tel.: ++43/1/58801/3681
Fax.: ++43/1/5055983

------------------------------

Date: Wed, 17 Mar 1993 16:56:24 -0500
From: Arun Katkere <katkere@eecs.umich.edu>
Subject: Stereo algorithms, looking for

I am looking for some stereo algorithms to create test data for some modules
of an outdoor navigation system we are building. If you have a stereo
algorithm that you'd like to share, please let me know.

We have MaxVideo20 available. So, datacube implementations of stereo
algorithms will be appreciated. But, for my immediate purposes, software
implementations are sufficient.

I'd appreciate some pointers/paper suggestions on creating dense range maps
and on integrating multiple range maps. Some notes about actual experience in
using stereo in navigation tasks (like low level obstacle avoidance) will be
a bonus.

Send responses to "katkere@eecs.umich.edu" and if there is sufficient
interest (and I get some responses!) I'll post a summary.

Thanks,
arun

Arun Katkere                      |   Artificial Intelligence Laboratory
katkere@eecs.umich.edu            |   The University of Michigan
O:(313)763-1563 | R:(313)761-9462 |   147 ATL, 1101 Beal Avenue
fax: (313)763-1260                |   Ann Arbor, MI 48109-2110

------------------------------

Date: Thu, 18 Mar 1993 15:10:21 GMT
From: slack@starbase.mitre.org (M. G. Slack)
Organization: The MITRE Corporation
Subject: new job

The MITRE Corporation in McLean Virginia has an immediate need to fill a
mid-level position in applied robotic intelligence/vision.

The position is for a Ph.D. in CS or a masters with 3 to 5 years experience in
developing active vision systems to support the autonomous operation of robots.
We would prefer a person who not only has a strong background in active vision,
the ideal candidate would have a working knowledge of the fields of Planning,
and Reactivity as they relate to autonomous robots.  The person should also
have strong programming skills in both C and Lisp.

The person will join the team of the Autonomous Systems Laboratory (ASL).  In
particular the person will be working with the PRISM stereo system developed by
Teleos in order to develop visual routines which will be used to provide
autonomous robots with perceptual information about the world.

In addition to robotic intelligence, MITREUs Artificial Intelligence Technical 
Center is involved in a number of other AI related areas, including planning,
heterogeneous databases, natural language processing, intelligent terrain
evaluation, decision-support systems, and information fusion.

MITRE is a not-for-profit Corporation chartered by the Federal Government for
work in the public interest. When you work for MITRE you MUST be a US. citizen
and you can't have any outside jobs except teaching positions. Salary is
determined on an individual basis according to degree level and years of
experience since the B.S. degree. The retirement and benefits are competitive
with most defense contractors.

If you are interested in this position please contact me ASAP (via email).

Marc Slack, Ph.D.
Lead Scientist
Mail Stop Z401
The Mitre Corporation
7525 Colshire Drive
McLean, Virginia  22140-3481

slack@starbase.mitre.org

----------------------------------------------------------------------

Date: 16 Mar 1993 14:20:10 -0000
From: pt@curie.lif.icnet.uk (Paul Taylor <pt@curie.lif.icnet.uk>)
Organization: Imperial Cancer Research Fund
Subject: Graduate Studentship: Computer Aided Determination of High Risk Mammograms

COMPUTER AIDED DETERMINATION OF HIGH RISK MAMMOGRAMs

Mammographic dysplasia (Wolfe grading) is a well established although
controversial risk factor for breast cancer (Boyd et al, 1984).  With the
advent of the national screening programme most women will now have regular
mammograms and in addition to detecting small cancers they could also be used
to determine which women are at increased risk of cancer.  This has two
potential benefits:  tailoring the screening interval to match the risk of
disease, and determining which women might be suitable for breast cancer
prevention studies, such as the currently proposed tamoxifen prophylaxis study
(Cuzick, 1992).

Determining the extent of mammographic dysplasia is subjective and requires
training which few British radiologists have obtained.  However, the problem
is basically a texture recognition problem and should be amenable to automatic
determination by computer (Caldwell et al, 1990).


The project consists of developing this approach and will be supported by the
ICRF computing group which has an active interest in image analysis, the ICRF
breast cancer unit at Guy's Hospital which will supply mammograms and clinical
advice, and Dr.  Huw Gravelle, who is Britain's leading expert on Wolfe
grading of mammograms.  The work will consist of developing and implementing
statistical methods for texture analysis and a dedicated SUN workstation and
appropriate software for image analysis will be available.  A strong
background in statistics and computing is required, as well as an inquisitive
mind and a desire to apply this knowledge to medical problems.


Reply to: 

    Dr. Jack Cusick
    Imperial Cancer Research Fund
    61 Lincoln's Inn Fields
    LONDON WC2A 3PX
    ENGLAND

    tel: 071 269 3007

    email for Jack can be sent care of): pt@acl.lif.icnet.ac.uk

References:

Boyd NF, O'Sullivan B, Fishell E, Simor I, Cooke G (1984).  Mammographic
patterns and breast cancer risk:  Methodologic standards and contradictory
results.  J Natl Cancer Inst; 72:  1253-59.

Cuzick J (1992).  Methodologic issues in the chemoprevention of breast cancer.
Cancer Detection & Prevention; 16:  81-86.

Caldwell CB, Stapleton SJ, Holdsworth DW, Jong RA, Weiser WJ, Cooke G & Yaffe
MJ.  Characterisation of mammographic parenchymal pattern by fractal
dimension.  Phys Med Biol; 35:  235-247.


------------------------------

Date: Mon, 15 Mar 1993 21:09:07 GMT
From: drukarev@hplabsz.hpl.hp.com (Alexander Drukarev)
Organization: Hewlett-Packard Laboratories Palo Alto,CA
Subject: Position in Image Compression at HP Labs

HEWLETT-PACKARD LABORATORIES has an employment opportunity in
                   IMAGE  COMPRESSION

We are looking for an individual who will play a leadership role in
research and development of image compression and processing algorithms.
The main responsibilities will include: identification of the research
directions in support of the current and new company businesses, developing
advanced compression algorithms, consulting in the area of image processing
and compression.

Required experience includes: PhD in CS/EE or related field, minimum 2 years
of related experience. Experience in video processing and compression is a
plus.

HEWLETT-PACKARD LABORATORIES offers a stimulating work environment,
competitive salaries and an excellent benefit package. We are an equal
opportunity employer. Please, send your resume to: Alex Drukarev,
Hewlett-Packard Labs, 1501 Page Mill Rd., Bldg. 3U, Palo Alto, CA 94304.

------------------------------

Date: Thu, 18 Mar 93 13:36:15 +0800
From: hw@ntu.ac.sg (Wang Han)
Subject: ICARCV'94 call-4-papers

                               CALL FOR PAPERS

                                  ICARCV'94
                      THIRD INTERNATIONAL CONFERENCE ON
                   AUTOMATION, ROBOTICS AND COMPUTER VISION
                              8-11 NOVEMBER 1994


     The Third International Conference on Automation, Robotics  and  Computer
Vision,  ICARCV'94, will be held in Singapore on 8-11 November 1994. The theme
of ICARCV'94 is "Intelligent Automation".  The conference will provide a forum
for automation professionals, manufacturing engineers and academic researchers
to exchange up-to-date technical knowledge  and  experience.   The  conference
will  focus  on  both  theory  and  applications. In addition to the technical
sessions, there will be plenary,  invited  and  tutorial  sessions.   Also  an
exhibition will be held in conjunction with the technical and poster sessions.


     Papers describing original work in, but not  limited  to,  the  following
research areas are invited:

       *ROBOTICS*                       *COMPUTER VISION*

Robot Control                        Image Processing and Interpretation
Mobile Robots and Navigation         3-D/Colour/Stereo Image Analysis
Task Planning                        Dynamic Scene Analysis
Intelligent Sensors and Actuators    Vision Systems
Micro-Robots                         Pattern Recognition & Applications
Robot Design and Simulation          Machine Intelligence
Multiple Robots

   *INTELLIGENT AUTOMATION*
                                     *CONTROL THEORY AND APPLICATIONS*
Instrumentation Systems              *SIGNAL PROCESSING AND APPLICATIONS*
Flexible Manufacturing Systems       *AI & EXPERT SYSTEMS*
Process Automation & Networking      *NEURAL NETWORKS AND FUZZY SYSTEMS*
Man-machine Interaction              *REAL TIME SYSTEMS*
On-line Process Monitoring&Control   *PETRI NETS AND APPLICATIONS*
Factory Modelling and Automation


Submission Procedures :

     Papers must be written in English and should describe the work in detail.
Three copies of the full paper must be submitted for review. Please include in
the forwarding letter the author's name to whom the correspondence  should  be
addressed,  address  for  communication, contact telephone and fax numbers, e-
mail addresses and also the broad classification under which the paper can  be
included. Please indicate your preference for regular or poster session.

     Participants will be required to register upon notification of acceptance
of  their  papers. Papers will be published in the conference proceedings only
if at least one of the authors is officially registered.  The  length  of  the
final  paper in the proceedings will be limited to a max of 5 pages (5 mats B4
size), including figures, tables and references. There will  be  a  charge  of
S$100 per page for papers exceeding 5 pages.

SELECTED PAPERS WILL BE PUBLISHED IN INTERNATIONAL ENGINEERING JOURNALS.

Invited Sessions : The Programme Committee is also soliciting proposals for
invited sessions focusing on new or emerging technologies relevant to the
ICARCV'94 theme. Please submit proposals to the Technical Programme Chairman,
Professor N. Sundararajan, before 31 March 1994.

Exhibitions : Exhibition of products related to the ICARCV'94 theme is
invited. Information is available upon request.

     Please submit three copies of the full paper for review to :
Professor N. Sundararajan
c/o ICARCV '94 Conference Secretariat
Institution of Engineers, Singapore
70 Bukit Tinggi Road, Singapore 1128
Republic of Singapore
Tel : (65) 469 5000, Fax : (65) 467 1108
Telex : RS 22992 IESIN
E-mail: ensundara@ntuvax.ntu.ac.sg  (Internet)
        ensundara@ntuvax.bitnet     (Bitnet)

AUTHOR'S SCHEDULE :
30 April 1994   Receipt of full paper
31 May 1994     Notification of Acceptance
31 July 1994    Receipt of Camera Ready Manuscript
31 August 1994  Advance Registration Deadline

ORGANISERS:
    School of EEE, Nanyang Technological University
    Institution of Engineers, Singapore (IES)

CO-SPONSORS:
    Defence Science Organisation(DSO)
    GINTIC Institute of Manufacturing Technology(GIMT)
    Instr. & Control Society, Singapore
    National Computer Board(NCB)
    National Science and Technology Board(NSTB)
    Singapore Computer Society(SCS)
    Singapore Industrial Automation Assoc.

IN COOPERATION WITH:
    IEEE Robotics and Automation Society
    IEEE Neural Network Council

------------------------------

End of VISION-LIST digest 12.13
************************
