HDTenEightyP/NetNews huggingface dataset:
From: chilukur@aprax.eng.uab.edu (Madhu Chilukuri )
Subject: MRI Simulation Programs
Originator: chilukur@aprax
Reply-To: chilukur@amnese.eng.uab.edu
Organization: Comp. Science Dept, University of Alabama at Birmingham
Date: Tue, 5 Jan 1993 17:52:02 GMT

Can anybody kindly inform me if there are any MR simulation
programs.  I want to know if there are any programs available
to simulate Bloch Equations, Fast Imaging etc.

Thanks in advance
From: csn201lawren@qut.edu.au
Newsgroups: sci.image.processing
Subject: WANTED: Infra-red images
Date: 8 Jan 93 15:07:21 EST
Organization: Queensland University of Technology

Does anybody know of a source of infra-red images or similar?

Thanks.

Steve
From: tmelen@itk.unit.no (Trond Melen)
Newsgroups: sci.image.processing
Subject: Complete ref to Plante and Koplowitz article wanted
Date: 8 Jan 93 09:05:08 GMT
Organization: Norwegian Institute of Technology / SINTEF, Trondheim, Norway

Could someone please mail me the missing details (volume and pages) of
this incomplete reference:

S. J. Plante and J. Koplowitz
Corner Finding for Digital Curves
Proceedings of the SPIE
November 1992

Thanks for your time,
Trond Melen

////  ITK - Inst. for Teknisk Kybernetikk    E-mail: tmelen@itk.unit.no  //
///  N-7034 Trondheim - NTH		    Phone: +47 7 59 43 93	///
//  Norway				   Fax:   +47 7 59 43 99       ////
From: csyew@ecst.csuchico.edu (YewSim Cheah)
Newsgroups: sci.image.processing
Subject: Sorting RGB Palette in Intensity Order.  Please Help !
Date: 6 Jan 93 07:28:01 GMT
Organization: California State University, Chico
NNTP-Posting-Host: cscihp.ecst.csuchico.edu


-- 
   __     *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
  / __\  /_           name: YewSim Cheah.  alias: Xie Yaosen.
 / /__`\//_//   / campus: California State University, Chico. 
/_,__/_//_, \/\/           internet: csyew@ecst.csuchico.edu.
Newsgroups: sci.image.processing
From: mek@hydrox.enet.dec.com (Mark Klamerus)
Subject: use of ghostscript on VMS
Date: Wed, 6 Jan 93 08:12:02 PST
X-Received: by usenet.pa.dec.com; id AA10066; Wed, 6 Jan 93 08:12:03 -0800
X-Received: by enet-gw.pa.dec.com; id AA05713; Wed, 6 Jan 93 08:12:02 -0800
X-Received: from hydrox.enet; by decwrl.enet; Wed, 6 Jan 93 08:12:02 PST
X-To: sci.image.processing.usenet
X-Apparently-To: sci.image.processing.usenet


	I'm trying to build ghostscript on VMS.

	It comes with VMS-CC.MAK (which is really a *.COM) file
	for doing this.  And it does seem to compile and run using
	only the X windows driver.  When I try to build for supporting
	GIF output files it also compiles, but crashes when run.

	Has anyone gone through this and gotten the VMS version to
	work with output to a GIF (or PBM or other) file?

	I could really use any input anyone has on this or if anyone
	has any other method of getting from PostScript to image on VMS.

	thanks,

	Mark Klamerus
From: nige@werple.apana.org.au (Nigel Senior)
Newsgroups: sci.image.processing
Subject: Quantization or Colour Reduction Information required
Date: 5 Jan 1993 22:50:22 +1100
Organization: werple public-access unix, Melbourne
NNTP-Posting-Host: werple.apana.org.au
Summary: Can anybody help me with routines for colour reduction
Keywords: Quantization Colour color

: I am doing some work which involves reducing the number of colours in PCX
: images from 256 down to around 25. Currently I am reducing colours by
: merging similar colours, removing colours with small quantities, using
: Heckbert's median cut technique and using Fletcher's box and merge
: technique. While these techniques are good, reducing the number of colours
: in an image to 25 is a bit hit and miss, hence any extra techniques would
: be most appreciated. I am also generally after information related to
: color comparison and transformation specifically related to perceptual
: spaces such as CIE LUV etc. Any suggestions would be most gratefully
: accepted.
: 
: Thank you in advance
: Cheers
: Nigel Senior












Newsgroups: sci.image.processing
From: joem@alw.nih.gov (Joe Maisog)
Subject: please help: bitpads and Sun SPARCstation
Keywords: bitpad driver Sun SPARC 
Organization: National Inst. of Health, DCRT, CSL
Date: Tue, 12 Jan 1993 15:53:08 GMT

 


Our lab is using a Sun SPARCstation for much of our image-processing
and we would like to use a bitpad (aka "digitizing pad") and stylus
("pen") instead of a mouse to draw our regions of interest.

There are several bitpads which can attach to the Sun SPARCstation,
including the Microgrid III and the SummaSketch II Plus by
Summagraphics, but we have not been able to find *any* software to
drive any bitpad for a SPARCstation.  Does anyone out there know of
any bitpad drivers for SPARCstations?

Please send any information to joem@alw.nih.gov or diane@alw.nih.gov.
Or call (301) 402-1737, and ask for Joe or Diane.  We would very much
appreciate any help.


-- 

	-------------------------------------------------------
	Jose' Ma. Maisog, M.D.		phone: (301) 402-1737
	Building 10, Room 6C414		uucp: uunet!nih-csl!joem
	National Institutes of Health	Internet: joem@alw.nih.gov
	Bethesda, MD 20892
From: jang@acsu.buffalo.edu (Euee S. Jang)
Newsgroups: sci.image.processing
Subject: Question: Jpeg makefile.
Date: 11 Jan 93 22:12:23 GMT
Distribution: usa
Organization: UB

Subject: Inquiry on Jpeg makefile.

Hi. 
I am sorry if my mail bothers your work. I wish my mail is gone to
the proper person who can help me. 

Now, I am working for wireless network. For comparable reasons, I need
to use the JPEG in my research. I got the source. Also, in the sparc
station, the cjpeg and the djpeg files are already built in.

The problem is that I should modify the jpeg source file to get rid
of huffman coding in both cjpeg and djpeg. I think the modification
was done, but when I tried to make the executable file, the error
everytime came out like the following:

make: Fatal error: Don't know how to make target `jmemsys.c'

Because there are a few makefiles in source, I tried all, but failed.
I believe the proper makefile in Sparc station is `makefile.unix'.
If you know how I can get over the problem, please let me know.

I already read all the relating stuffs on Jpeg. The only problem is 
`makefile'. 

Thanks for reading. I appreciate your future help.

Erik Jang
jang@acsu.buffalo.edu
Newsgroups: sci.image.processing
Subject: Re: Big RGB <-: CMY Problem
From: athomson@otago.ac.nz (Alastair Thomson)
Date: 7 Jan 93 14:48:09 +1300
Organization: University of Otago, Dunedin, New Zealand

In article <1icliuINNfkj@cascade.cs.ubc.ca>, jwu@cs.ubc.ca (Joseph Wu) writes:
> salewski@tnt.uni-hannover.de (Carsten Salewski) writes:
> 
> :	R = V/cv + Y
> :	B = U/cu + Y
> :	G = (Y - 0.299 R - 0.114 B) / 0.587

This is obviously referring to the PAL television YUV colour space, it is a
simple linear transfrom of RGB so nothing is gained by using it.

> 
> I don't know what you are trying to convert here, but it is definitely
> not CMY to RGB. I don't know what problems Mr. Friedrich is having, but
> the way that he mentioned is the correct one i.e. inverting the components
> 
> 	[ R, G, B ] = [ 1, 1, 1 ] - [ C, M, Y ].
> 

A simple inverse would be good and dandy if we didn't have to consider the
range of colours reproducible using CMY(K) printing, and those on a colour
video monitor (Colour Gamut). The problem is that the CRT produces a greater
range of colours than CMYK can. Add to this the odd spectral reflectances found
from printing inks, there are real problems. As mentioned by one other poster,
Foley, van Dam et al, is a good starting point. The most definitive work on
colour theory and its application to computer graphics is by Hall (Can't find
the ref for it but it is in Foley et al (2nd ed.).

Hall talks of the methods used to convert from one colour model to another.

The method I used in a raytracer recently, was to convert from CMYK to
standard, CIE XYZ coordinates, this gives a device independent representation,
you then use the chromaticity values for your monitor to do the conversion.

The hard bit is the conversion from CMYK to XYZ, you really need reflectance
data for the printing inks AND the combinations.

Good luck, this is one of the more difficult problems!

===============================================================================
                                    |
Alastair Thomson,                   | Phone +64-3-479-8347
University of Otago,                | Fax   +64-3-479-8529
Department of Computer Science,     | e-mail athomson@otago.ac.nz
P.O. Box 56                         |
Dunedin                             |
New Zealand                         |
 
   "God loved the world so much, that he gave us His Son, to die in 
    our place, so that we may have eternal life" John 3:16, paraphrase

===============================================================================
Newsgroups: sci.image.processing
Subject: Email address of H.C.Kim ?
From: thanon@ccu1.aukuni.ac.nz (Thanachart Numnonda)
Date: Tue, 5 Jan 1993 21:50:23 GMT
Organization: University of Auckland, New Zealand.


Could someone please send me the email address of

    H.C. Kim
    Deaprtment of Electrical Engineering
    The Pennsylvania State University
    University Park, PA

		
Thanks in advance

Thanachart Numnonda
E:mail  thanon@ccu1.aukuni.ac.nz
From: mathew@elroy.Jpl.Nasa.Gov (Mathew Yeates)
Newsgroups: sci.image.processing
Subject: Re: Vector Quantization code/results requested
Date: 12 Jan 93 23:07:43 GMT
Organization: Image Analysis Systems Group, JPL
Distribution: world
NNTP-Posting-Host: henry.jpl.nasa.gov

teo@Xenon.Stanford.EDU (Patrick ChengSan Teo) writes:


>Does anyone know where I could get hold of the source code for Vector
>Quantization?  If anyone also knows of the code for the viewer given
>the codebook, that would be better still!

>What are the limitations (weaknesses) of VQ?

>Thanks a million!
>Patrick

There is vector quantization algorithm which comes with Khoros. Source
included.

Mathew Yeates



Newsgroups: sci.image.processing
From: schultz@halley.est.3m.com (John C. Schultz)
Subject: Re: Creating Test Images? 
In-reply-to: perry@sun1.coe's message of Sun, 10 Jan 1993 01:36:37 GMT
Organization: 3M Company, 3M Center, Minnesota, USA
Date: Sun, 10 Jan 93 03:07:49 GMT

In article <1993Jan10.013637.26586@sol.ctr.columbia.edu> perry@sun1.coe (Dr. Matt Perry) writes:

   I am looking for a package or program on the net that allows
   generating images with various two dimensional objects of 
   different gray levels.  Ideally, this package would accept 
   some kind of file with object definitions.  Anyone know of
   such a beast?

Certainly Khoros allows you to add, merge, OR,... images together.  It
also comes with a respectable selection of image creation routines. I
have included a listing of all Khoros image commands with "create" as part
of the description.  Khoros is available anon ftp from pprg.eece.unm.edu.

dgexpon (1) 		-  Creates a exponential distributed noise data set. 
dggauss (1) 		-  Creates a gaussian noise data set. 
dgpoiss (1) 		-  Creates a Poisson distributed noise data set. 
dgpwl (1) 		-  Creates a set of piecewise linear periodic signals. 
dgrleigh (1) 		-  Creates a Rayleigh distributed noise data set. 
dgsin (1) 		-  Creates a 1d sinusoidal data set. 
dgsinc (1) 		-  Creates a 1d sinc data set. 
dgunif (1) 		-  Creates a uniform noise data set. 
dmirror (1) 		-  1D Create Mirror of Data. Points added to the left of the first data point. 
vcustom (1) 		-  Create a custom image via keyboard entry, intended for building custom kernels for spatial convolution. 
vgauss (1) 		-  Create an image containing one or more Gaussians 
vgbox (1) 		-  This program create a grey level file image. 
vgcirc (1) 		-  Creates an image of a filled circle 
vgconst (1) 		-  Creates an image with constant pixel values. 
vgfractal (1) 		-  Creates a fractal image with a desired fractal dimension. 
vggauss (1) 		-  Creates a Gaussian (noise) image. 
vgpwl (1) 		-  Creates a set of piecewise linear periodic image. 
vgsin (1) 		-  Creates a sinusoidal image. 
vimpulse (1) 		-  Create an image containing one or more unit impulses spaced as specified. 
vmarr (1) 		-  Create a Marr type edge detection filter kernel. 
vpolygon (1) 		-  Creates a vector image resulting from a polygonal approximation of 
vthresh (1) 		-  Create a binary image by applying upper and lower thresholds to an input image. 

--
   John C. Schultz   +1 (612) 733-4047   schultz@halley.serc.3m.com
   How to include the taste of Glendronach in a multi-media system?
Newsgroups: sci.image.processing
From: jch3254@ultb.isc.rit.edu (J.C. Handley)
Subject: Fast MM
Originator: jch3254@ultb
Reply-To: jch3254@ultb.isc.rit.edu ()
Organization: Rochester Institute of Technology
Date: Fri, 8 Jan 1993 14:23:07 GMT


For a fast version of the hit-or-miss transform (hence erosions,
dilations, etc), check out
"Methods for Fast Morphological Image Transforms Using Bitmapped
 Binary Images" in CVGIP: Graphical Models and Image Processing,
 Vol. 54, No. 3, May, pp. 252-258, 1992.

  They provide pseudocode (there are two small mistakes) which is
  easy to code-up. 

  John

John Handley                           jch3254@ultb.isc.rit.edu
Center for Imaging Science    Rochester Institute of Technology
                                  
Newsgroups: sci.image.processing
From: jollie@ole.uiowa.edu (Jeffrey C. Ollie)
Subject: Re: Photo-CD Technical Details
Date: Tue, 12 Jan 1993 23:20:32 GMT
Reply-To: jollie@ole.uiowa.edu (Jeffrey C. Ollie)
Organization: U of Iowa, Iowa City, IA, USA

  My understanding of the Photo CD system is that the workstation is mostly
a glorified controller for the scanner and CD mastering devices.  The reason
that a UNIX workstation is used is because of the large disk space
requirements.
If any image processing is done, it's not very heavy duty.

Jeff Ollie
jollie@herky.cs.uiowa.edu
"The Happy User"
From: hamielo@ucbeh.san.uc.edu
Newsgroups: sci.image.processing
Subject: Imagination and Obesity.
Date: 9 Jan 93 23:14:04 EST
Distribution: world
Organization: Univ. of Cincinnati

I am looking for information about using of guided imagery or any kind of
imagery with the treatment of obesity. Thank you.
Newsgroups: sci.image.processing
From: larryhow@austin.ibm.com ()
Subject: Form processing
Originator: larryhow@larryhow.austin.ibm.com
Date: Fri, 8 Jan 1993 18:22:09 GMT
Organization: IBM Austin



What is the best solution for processing order forms in a PC environment?

Scanning hardware: a IBM-PC compatible with an HP-IIc scanner.

Is the best approach?

   a) use an OCR program (which one?) and setup templates
   b) a dedicated form processing application (does one exist?)
   c) manually type the information in?
   d) something else

How should the form be structured to make it easily read?
(i.e. Fill in the blank, circle number,..)

The order form may also contain an image.

Is there a program which can handle both, form processing & image
storage/enhancement or should these be broken into 2 steps?




Newsgroups: sci.image.processing
From: jch3254@ultb.isc.rit.edu (J.C. Handley)
Subject: Re: Fast MM
Originator: jch3254@ultb
Reply-To: jch3254@ultb.rit.edu ()
Organization: Rochester Institute of Technology
Date: Fri, 8 Jan 1993 14:25:40 GMT

  I forgot to mention that the authors are
  Rein Van Den Boomgaard and Richard Van Balen.

 John

Newsgroups: sci.image.processing
From: mathew@elroy.Jpl.Nasa.Gov (Mathew Yeates)
Subject: Re: Mathematical Morphology
Organization: Image Analysis Systems Group, JPL
Date: Thu, 7 Jan 1993 06:10:20 GMT

itthi@sunburn.sli.unimelb.edu.au (Itthi Trisirisatayawong) writes:

>Hi there,

>Could anybody please tell me about good introductory books or articles in
>mathematical morphology. Information of its applications in image analysis,
>and softwares would also be much appreciated. Please reply to

>itthi@sunburn.sli.unimelb.edu.au

>Thank you.
>Itthi

Khoros has several morphology routines as part of its distribution.


|**********************************************************|
|      Mathew Yeates JPL/Image Analysis Systems Group      |
|               mathew@henry.jpl.nasa.gov                  |
|                   (818) 354-3008                         |
|               Will Program For Food                      |
|**********************************************************|
Newsgroups: sci.image.processing
From: luosu@dialog.su.OZ.AU (Luo Su Huai)
Subject: wanted: Miss America image sequence 
Reply-To: luosu@dialog.su.OZ.AU (Luo Su Huai)
Organization: University of Sydney, Australia
Date: Tue, 12 Jan 1993 06:49:14 GMT


Hi, there,

I need some motion images for my motion detecting method.

So could you please tell me how can I get the Miss America image sequence?

Best way is through some ftp place.

Thanks very much in advance.


Suhuai Luo
Speech Technology Research Group
Department of Electrical Eng.
The University of Sydney
NSW 2006
Australia

luosu@brutus.ee.su.oz.au



Newsgroups: sci.image.processing
From: perry@sun1.coe (Dr. Matt Perry)
Subject: Creating Test Images? 
Organization: Texas Tech University
Date: Sun, 10 Jan 1993 01:36:37 GMT
X-Posted-From: sun1.coe.ttu.edu
NNTP-Posting-Host: sol.ctr.columbia.edu

Hi,

I am looking for a package or program on the net that allows
generating images with various two dimensional objects of 
different gray levels.  Ideally, this package would accept 
some kind of file with object definitions.  Anyone know of
such a beast?

Thanks

Matt
-- 
------------------------------------------------------------------------
Matt Perry, PhD                      Electrical Engineering
Assistant Professor                  Texas Tech
Voice: (806) 742-3489                Box 43102
e-mail: perry@sun1.coe.ttu.edu       Lubbock, TX, USA  79509-3102
------------------------------------------------------------------------
Newsgroups: sci.image.processing
From: rlafolle@apssgi.nswc.navy.mil (Robert D. LaFollette)
Subject: Image Processing on PC (correction)
Organization: Naval Surface Warfare Center
Date: Fri, 8 Jan 1993 13:14:11 GMT

Sorry, my last message contained the wrong address.


       Hello,

                I am looking for an image processing package for my PC.  I would        be most interested in something that uses the system display, and has
        a point-n-click user interface.  Something that works with Windows 
        would be acceptable.  Shareware or freeware would of course be my first
        choice, but I am also interested in commercial packages.  Please send
        responses directly to me and I will post a summary.
                

                                Thanks,

                                        Robert LaFollette



                Attn: Code L10MP   Robert LaFollette 
                Dahlgren Division, Naval Surface Warfare Center
                Dahlgren, VA 22448-5000

                (703)663-4749   autovon 249-4749
                FAX (703)663-4749
                Email   rlafoll@see.nswc.navy.mil
                        rlafoll@128.38.158.3
From: eschbach@abc.wrc.xerox.com (Reiner Eschbach)
Newsgroups: sci.image.processing
Subject: Re: Big RGB <-> CMY Problem
Keywords: rgb, cmy
Date: 7 Jan 93 16:10:34 GMT
Organization: Xerox

In article <1993Jan4.134820.1522@tom.rz.uni-passau.de> friedric@diogenes.uni-passau.de (Carsten Friedrich) writes:
>Hi,
>
>I have a big problem converting colors from cmy to rgb and vice versa.
>The usual aproach, to just invert the components seems to be incorrect.
>The following facts make me think so:

>- if you print a bar of yellow on the screen with brightness ranging from 
>0% to 100% you'll see that it is slightly greenish

You are using (r,g,b) = (1,1,0) of the CRT ( using its own phosphors )
to "define" yellow. This has nothing much to do with any other definition of
yellow. You are working in device dependent space and you have to measure your
CRT to derive the device independent data in your favorite device-independent
color space.

>- if you look at an image that is scanned with a very good scanner 
>(like hell) you will see that e.g. red colors in real turn to purple colors 
>on the screen

Do you mean that colors you perceive to be red ( under what illumination )
on film/paper appear to have changed hue on the CRT? Even for device independent
descriptions, cross-media matches are very difficult and a field of ongoing
research. Means: don't expect a match.

>- if you look at color tables printed in 7 color-printing technique you'll see
>that the inverse color of cyan is not red, but a kind of orange. Also the inverse
>colors of magenta and yellow, are not the green and blue you use in rgb.
>if you trust the color tables it seems not to be just a linear offset, but sth.
>more complex. 

Your basic problem seems to be that you are operating in device dependent
color spaces ( rgb and cmy or even better cmyk are generally created with a
specific output medium/dye-set etc. in mind).

>Can anyone help me solve this problem ???

Even a rough color calibration to any device independent color space should
reduce the problem dramatically. You might try a device independent rgb ( like
Xerox rgb 8-) ) which does in general not span the available gamut, or a
luminance chrominance system like YCC,YES,YHS,Y??.

>thanx and greetings,

>carsten

Reiner
Newsgroups: sci.image.processing
From: ieecjk@ccunix.ccu.edu.tw (Dr. C.J. Kuo)
Subject: EE faculty position in Taiwan
Organization: National Chung Cheng University, Taiwan, R.O.C.
X-Newsreader: TIN [version 1.1 PL6]
Date: Mon, 11 Jan 1993 10:42:27 GMT


Department of Electrical Engineering
National Chung Cheng University
Chiayi, Taiwan, R.O.C.


    The Department of Electrical Engineering, National Chung Cheng
University, Chiayi, Taiwan, ROC invites applications for faculty
positions at the Associate Professor and Professor levels.  Appointment
will be in the following areas: 

    1. Electrical machinery
    2. IC design (prefer experiences with communication ICs)
    3. Signal processing
    4. Computer architecture
    5. Intergrated optics
    6. Medical imaging
    7. Artificial intelligence
    8. Communication networks (prefer experiences with ATM)


    Only four vacancies are open and will be filled with four strongest
candidates submitting applications.  The candidate must have a Ph.D.
degree in a relevant discipline from a accredited university and must
have demonstrated academic potentials.  Faculty at NCCU are expected to
teach both undergraduate and graduate courses and conduct research.
NCCU is located in the southern part of Taiwan and have a spacious
(total area: 133 hectares) and scenic campus.  We are young and growing.
Currently we offer B.S. and M.S. degrees.  Starting with Fall Semester
1993, we will also offer Ph.D. programs. 


    Both accomplished scholar and new Ph.D. are welcome to apply.
Please send your resume, a 500 word autobiography including your goals
at NCCU, indications of two subjects, one each for undergraduate and
graduate curricula, that you wish to teach, and three references to 

    Dr. Thomas T. Fang, Head
    Department of Electrical Engineering
    National Chung Cheng University
    Chiayi, Taiwan 62107
    R.O.C.

Applications received by Mar. 1, 1993 will be screened by Mar. 5 for
the first list of finalists.  Applications received after Mar. 1 will
be considered if not enough strong candidates have filed applications by
then.