HDTenEightyP/NetNews huggingface dataset:
From: rak@crosfield.co.uk (Richard Kirk)
Newsgroups: sci.image.processing
Subject: Re: Trouble mating CCD camera to electron microscope
Date: 7 Oct 92 10:51:44 GMT
Organization: Crosfield Electronics, Hemel Hempstead, United Kingdom.

In article <5808@news.duke.edu> mccau002@acpub.duke.edu (Gary McCauley) writes:
>I am trying to optically couple a CCD camera to an electron microscope.
>The scope camera port is designed for a standard 'C' mount video camera, 
>while the CCD camera is designed for an F-mount lens. 

My first reaction was to do away with the lens altogether, and put the CCD
straight into the TEM (it is a TEM isn't it?).  I'm not sure how far your
electrons would go in Si, as I used to do SEMs instead, but it ought to be
quite a bit less than the ten microns pitch of the devices.  They might also
make considerable IR, and the window of the CCD would probably have to go.

Has anyone tried this? :)

Thinks - they must have... no-one willingly electrons into light, then
light back into electrons unless they have to :(

-- 
Richard Kirk         Image Processing Group    Crosfield Electronics Ltd. U.K.
rak@crosfield.co.uk  0442-230000 x3361/3591    Hemel Hempstead, Herts, HP2 7RH
Newsgroups: sci.image.processing
From: zrepachol@cc.curtin.edu.au (Paul Repacholi)
Subject: Re: Color correction of scanned film pictures
Organization: Curtin University of Technology
Date: Wed, 14 Oct 1992 20:54:01 GMT

In article <1992Oct13.181720.18455@odin.diku.dk>, roxx@diku.dk (Finn Korsholm Hansen) writes:
> Hi,
> 
> I'm involved in a project where the main aim to scan cinema pictures,
> so it will be possible to overlay the pictures with some graphics.\
> The negative of the film is scanned seperatly with red, green and blue
> light. The problem now is to reconstruct the picture (from the scanned
> RGB data) with the original colors. This is a problem because the film
> material react differently to different colors. Does anyone out there
> know how to do the color correction after the scanning of the film
> material (making it first of all possible to see the scanned result)?
> 

You may care to post this to rec.photo, and scan the newsgroup for Mike
Axeman from the Kodak Photo-CD group and someone from Interleaf who posted
recently and mail your query to them. Are you scanning negative or positive
material? The corection will also depend on film type used for output. including
type of film etc will help the answer

~Paul
From: atul@nynexst.com (Atul Chhabra)
Newsgroups: sci.image.processing
Subject: tiff Group 4 to raster conversion filter?
Keywords: tiff, image formats
Date: 15 Oct 92 16:18:23 GMT
Reply-To: atul@nynexst.com
Organization: NYNEX Science & Technology, Inc

I urgently need a conversion program to convert tiff Group 4 facsimile-compatible
encoded images to Sun raster format images or to raw binary images. Is there a
public domain program that does this conversion? Please respond by email to 
atul@nynexst.com. Thanks in advance.

--Atul
=====================================================================
Atul K. Chhabra                        Phone: (914)644-2786
Member of Technical Staff                Fax: (914)644-2404
NYNEX Science & Technology          Internet: atul@nynexst.com
500 Westchester Avenue
White Plains, NY 10604
=====================================================================
Newsgroups: sci.image.processing
From: kevin@neuron.arc.nasa.gov (Kevin Montgomery)
Subject: Re: Trouble mating CCD camera to electron microscope
Organization: NASA-Ames Biocomputation Center
Date: Fri, 9 Oct 1992 00:43:25 GMT

In article <15563@suns3.crosfield.co.uk>, rak@crosfield.co.uk (Richard Kirk) writes:
|> My first reaction was to do away with the lens altogether, and put the CCD
|> straight into the TEM (it is a TEM isn't it?).  I'm not sure how far your
|> electrons would go in Si, as I used to do SEMs instead, but it ought to be
|> quite a bit less than the ten microns pitch of the devices.  They might also
|> make considerable IR, and the window of the CCD would probably have to go.
|> Has anyone tried this? :)

I'd asked this of everyone I could find about a year ago and found that the
overwhelming consensus was that this was a Bad Idea.  

First, depending on the electron voltage, one could torch the CCD.  Also, 
some sort of shutter mechanism will be needed to handle exposure timing 
(one could use the beam on/off/intensity, but the change in voltage produces
a blooming that would distort), so you'll be bombarding metal with electrons,
which is also a Bad Idea for a sensitive CCD/electronics.  In addition, if 
any gold is used in the CCD (contacts, whatever), then you'll get some small
x-ray emissions to deal with as well.  Also, thermal expansion of the CCD 
could eventually be a problem.  

I don't want to be a downer on this and would actually be really excited for
someone to look into it, but I do want people to realize the implications.
I'd suggest calling some of the manufacturers of TEMs (Philips, Zeiss, JEOL)
and finding out what the details are and then contacting the CCD fabs and
asking if they can handle those kinds of conditions.  I'd really love this
to work someday...

							kevin
From: nur@dgbt.doc.ca (Nur Serinken)
Newsgroups: alt.binaries.utilities,sci.image.processing
Subject: Help to generate image file from text input.
Date: 14 Oct 92 18:11:25 GMT
Article-I.D.: dgbt.1992Oct14.181125.6030
Organization: The Communications Research Centre


I want to generate an image file in any one of the standard
image formats (TIFF, GIF, PXC, etc.,) on an IBM-pc 800 x
600 pel resolution. The final image will be made from two
parts one part is a scanned image and the second part is
text information. I like to get advice for the following.

1- The easiest way to generate an image file with text
converted to image.  I need command line interface or
libraries called from a C program. Paint and programs like
Corel draw can do this, but my application has to perform the task
automatically.

2- I would like to join 2 small image files to make my final 800
x 600 pel image.  Again utility program or C libraries are
needed.

The software can be public domain or commercial any advice
is welcome. 

Thanks Nur Serinken
 


Nur  Serinken       | Communications Research Centre -DRL
		    | PO Box 11490 Stn "H"
                    | Ottawa, ON K2H 8S2
Voice-(613) 998-2289| Canada
Fax  -(613) 990-7987| 
INTERNET: nur@dgbt.doc.ca
-- 
Nur  Serinken       | Communications Research Centre -DRL
		    | PO Box 11490 Stn "H"
                    | Ottawa, ON K2H 8S2
Voice-(613) 998-2289| Canada
From: djamdji@aurora.unice.fr (Jean-Pierre Djamdji)
Newsgroups: sci.image.processing
Subject: Krigging algorithm
Keywords: Krigging, Image Processing
Date: 12 Oct 92 10:13:45 GMT
Organization: University of Nice Sophia-Antipolis
NNTP-Posting-Host: aurora.unice.fr


Hi,

I would be grateful to anybody who can suggest any reference, sources, papers, etc. 
on the Krigging algorithm applied to Image processing. I would also appreciate if somebody
could tell me where I can find some Krigging programs in C or Fortran.

Thanks in advance for all replies.
Jean-Pierre

djamdji@c3po.unice.fr
From: zakauddi@usc.edu (Awais Zakauddin)
Newsgroups: sci.image.processing
Subject: Info on Morphological Image Processing
Date: 12 Oct 92 06:31:02 GMT
Article-I.D.: sal-sun1.1bcna6INNrq
Distribution: world
Organization: University of Southern California, Los Angeles, CA
NNTP-Posting-Host: sal-sun138.usc.edu

I'm trying to implement shrinking, thinning and skeletonizing algorithms in
C for my Image Processing course. Our text book, Digital Image Processing by
Pratt (2nd ed.) discusses these but the method he decribes seems more like
'brute force ' than anything else. 
Is there a good paper or text that discusses more subtle approaches to these
problems ? Thanks.

Awais.
<zakauddi@aludra.usc.edu>
Newsgroups: sci.image.processing
From: kaykit@iti.gov.sg (Chan Kay Kit (KSL))
Subject: Image processing hardware
Reply-To: kaykit@iti.gov.sg
Organization: Information Technology Institute, National Computer Board, S'pore
Date: Tue, 13 Oct 1992 06:17:35 GMT


Hello everyone,

	I need some information on off-the-shelf hardware cards for the PC/SPARCstation
that can perform thresholding, noise elimination and/or mathematical morphology
operations on grey level images. Can anyone out there tell me

	(i)  the name of the product and the company that manufactures it
	(ii) what (eg. thresholding or filtering) the card is able to do and at what
	     speed
	(iii) the price of the product.

Please email all responses (including references if any) to kaykit@iti.gov.sg. 
Thanks! 
	 
 

---
Kay-Kit CHAN    			| Internet: kaykit@iti.gov.sg
Knowledge Systems Lab			| Bitnet:   kaykit@itivax
Information Technology Institute	| Tel:      (65) 772-0920
National Computer Board of Singapore    | Fax:      (65) 770-3043
From: lin@primus.llumc.edu (P. James Lin)
Newsgroups: sci.image.processing
Subject: SBus/VME imaging board info needed.
Date: 12 Oct 92 19:16:30 GMT
Organization: LLUMC Radiation Research Lab


The board I'm looking for is a video board.  The
board shall digitize the analog signals received
from a video camera.  It does not have to be fancy.
Some build in functions for scaling, referencing,
histogramming and convolution would be ideal but
not absolutely necessary. It should be an SBus
board so it can be plugged into a SPARC workstation.
However I am also interested in learning any good
VME products.  It will be used for real time image
acquisition and displaying so it has to be fast.
The one we currently use can produce 30 frames
(512x512x8) per second.

Please E-mail to me. Thank you.

lin@proton.llumc.edu

P. James Lin                      INTERNET: lin@proton.llumc.edu
Radiation Research Laboratory     UUCP    : ..ucrmath!proton!lin 
Loma Linda University Medical Center, 11234 Anderson St., Loma Linda, CA 92354
Tel: (714)824-4066 FAX: (714)824-4067
Newsgroups: sci.image.processing
From: zha@esr1.nyser.net (Zhang)
Subject: Re: KHOROS - MORE INFORMATION.
Organization: Fraunhofer-Institute for Information and 
              Daten Processing (IITB), Germany
Date: Tue, 13 Oct 1992 08:56:30 GMT

In article <1bb5qcINNh4u@usenet.INS.CWRU.Edu> pxm22@po.CWRU.Edu (Prakash Mandgi) writes:
>
>i heard that the KHOROS software for image and Signal Processing is free
>stuff for the SUN -os . I am searching for the ftp sites where it is available
>. Any additional information would highly appreciated. 
>			All responses would be summarized and posted on the net
>
>			mandgi@morph.ebme.cwru.edu
>			prakash@ep.ebme.cwru.edu


There is a News-groupe <comp.soft-sys.khoros>. You can ask Dr. Donohoe
about the ftp sites. His address is:

Greg Donohoe, Ph.D.
Assistant Professor
Electrical and Computer Engineering
University of New Mexico       Tel: 505-277-6724
Albuquerque, NM 87131        email: donohoe@chama.eece.unm.edu

--
Jinyou Zhang                                       email: zha@iitb.fhg.de 
Fraunhofer-Institut fuer Informations- und         phone: (0721) 6091-438
           Datenverarbeitung - IITB                fax:   (0721) 6091-413
Fraunhoferstrasse 1,  D-7500 Karlsruhe 1, Germany
From: spl@pitstop.ucsd.edu (Steve Lamont)
Newsgroups: sci.image.processing
Subject: Re: Trouble mating CCD camera to electron microscope
Date: 9 Oct 92 18:54:50 GMT
Organization: University of Calif., San Diego/Microscopy and Imaging Resource
NNTP-Posting-Host: pitstop.ucsd.edu

In article <43886@ogicse.ogi.edu> milts@mse.cse.ogi.edu (Milt Scholl) writes:
>Actually we are in the process of putting a 1024X1024X24 bit camera
>in our 200 KV hitachi. ...

Ooooh!  Ooooh!  24 bits?  Can someone fill me in on this camera?  The
best we have is 14 bits on our Photometrics camera.

							spl
-- 
Steve Lamont, SciViGuy -- (619) 534-7968 -- spl@szechuan.ucsd.edu
UCSD Microscopy and Imaging Resource/UCSD Med School/La Jolla, CA 92093-0608
"Twit twit twit/Jug jug jug jug jug jug/So rudely forc'd./Tereu"
                - T. S. Eliot, "The Waste Land," III. The Fire Sermon
From: davidsen@ariel.crd.GE.COM (william E Davidsen)
Newsgroups: sci.image.processing
Subject: Re: KHOROS - MORE INFORMATION.
Date: 15 Oct 92 15:12:05 GMT
Reply-To: davidsen@crd.ge.com (bill davidsen)
Organization: GE Corporate R&D Center, Schenectady NY

In article <1bcf16INNtk@network.ucsd.edu>, spl@szechuan.ucsd.edu (Steve Lamont) writes:

|     Khoros, a huge (~100 meg) graphical development environment based on

  That's my feeling, it's not a tool, it's a whole system, maybe even a
way of life. It has a lot of things I would love to have, but it also
takes more space than I can afford to give it. Great stuff if you have a
machine to dedicate to it, though.
-- 
bill davidsen, GE Corp. R&D Center; Box 8; Schenectady NY 12345
    Keyboard controller has been disabled, press F1 to continue.
From: zha@esr1.nyser.net (Zhang)
Newsgroups: sci.image.processing
Subject: Re: Info on Morphological Image Processing
Date: 14 Oct 92 09:27:32 GMT
Organization: Fraunhofer-Institute for Information
              and Daten Processing (IITB), Germany

In article <1bcna6INNrq@sal-sun138.usc.edu> zakauddi@usc.edu (Awais Zakauddin) writes:
>I'm trying to implement shrinking, thinning and skeletonizing algorithms in
>C for my Image Processing course. Our text book, Digital Image Processing by
>Pratt (2nd ed.) discusses these but the method he decribes seems more like
>'brute force ' than anything else. 
>Is there a good paper or text that discusses more subtle approaches to these
>problems ? Thanks.
>
>Awais.
><zakauddi@aludra.usc.edu>
>

You can read Chapter 5 in the following book:
@Book(Haralick92,
   Author="R.M. Haralick and L.G. Shapiro",
   Title="Computer and Robot Vision: Volume 1, 2",
   Publisher="Addison-Wesley Publishing Company",
   Address="Amsterdam, Boon, Don Mills, Madrid, New York,
                 Paris, Singapore, Tokyo",
   Year=1992
   )

There are many references in this chapter.

Jinyou.

--
Jinyou Zhang                                       email: zha@iitb.fhg.de 
Fraunhofer-Institut fuer Informations- und         phone: (0721) 6091-438
           Datenverarbeitung - IITB                fax:   (0721) 6091-413
Fraunhoferstrasse 1,  D-7500 Karlsruhe 1, Germany
Newsgroups: sci.image.processing
From: hehn@ccu.umanitoba.ca (Jeff Hehn)
Subject: x-ray imaging of seeds
Reply-To: hehn@ccu.umanitoba.ca
Organization: The Univeristy of Manitoba.
Date: Fri, 9 Oct 1992 19:19:34 GMT


Hello all,
	I am working in the area of using computer vision to inspect and grade
grain. We are interested in adding x-ray capability to our laboratory so I would 
appreciate the advice of anyone with experience with x-ray imaging. 

	-Is anyone out there using or attempted to use x-rays to look at seeds
 		(ie. hidden insects, cracks, germination, etc)?

	-Would it be possible to use CT to obtain a cross-section of a bulk of grain, 
		say a cylinder the diameter of a coke can? 

	-Would it be possible to obtain a CT scan of a single kernel, approximately
		6 mm long x 2 mm in dia? 

Please email me with any ideas, comments, or advice you may have.
Thanks
-JLH
__________________________________________________________________
  Jeff L. Hehn			Dept. of Agricultural Engineering
  hehn@ccu.umanitoba.ca		University of Manitoba
  ph:204-474-6298	
	" I slid into home but I was blocked at the plate! "
__________________________________________________________________



Newsgroups: sci.image.processing
From: dah@tko.vtt.fi (David Harwood)
Subject: Need high-resolution Brodatz texture images
Organization: VTT
Date: Fri, 16 Oct 1992 10:10:03 GMT

I urgently need high resolution (say 512x512, approx.) digital
images of the standard textures of Brodatz' album. I once made some
myself, but have lost them. I have obtained lower resolution 256x256
images, but would prefer the larger (higher-spatial resolution) images
if anyone has them available for ftp.

Thanks,

David Harwood
dah@tko.vtt.fi
harwood@umiacs.umd.edu

Newsgroups: sci.image.processing
From: kevin@neuron.arc.nasa.gov (Kevin Montgomery)
Subject: Re: Want Info on Image tiling
Organization: NASA-Ames Biocomputation Center
Date: Wed, 14 Oct 1992 01:26:48 GMT

In article <1992Oct9.175017.1901@news2.cis.umn.edu>, Stuart McKernan <stuartm@epx.cis.umn.edu> writes:
|> The Gatan CCD cameras have a YAG scintillator which is coupled to the CCD 
|> through a fiber optic plate. More information may be found directly from
|> Gatan

a couple things to watch out for:

	- Gatan (as well as most suppliers) thins the YAG to decrease 
	  blooming, then coats it with gold to get back some amount of 
	  contrast.  Since the electrons are pounding into gold, x-rays
	  are produced that will, over time, yellow the fiber optic bundle
	  attached.  Also, the TEM should be shielded well enough, but 
	  (especially if you're on an upper floor), you might want to 
	  crank up the scope to its full useful voltage and run a geiger
	  counter around (if on an upper floor, check below the machine)
	  just in case.

	- also, since an optical _bundle_ of fibers is being used, an aliasing
	  effect will be produced (BTW, they couple the scintillator to the
	  CCD to increase quantum efficiency).  As I recall, Gatan post-
	  processes the data to get rid of the 'ringing' that would otherwise
	  be a problem.  As I vaguely recall, their method of deconvolving 
	  this wasn't too sound (IMHO), and you could lose an unspecified
	  amount of high-frequency information which, in our application,
	  wasn't something that we wanted to live with...

						kevin
From: mek@hydrox.enet.dec.com (Mark Klamerus)
Newsgroups: sci.image.processing
Subject: Hough Transform
Date: 15 Oct 92 15:09:13 GMT
X-Received: by usenet.pa.dec.com; id AA21148; Thu, 15 Oct 92 08:09:15 -0700
X-Received: by enet-gw.pa.dec.com; id AA25889; Thu, 15 Oct 92 08:09:13 -0700
X-Received: from hydrox.enet; by decwrl.enet; Thu, 15 Oct 92 08:09:13 PDT
X-To: sci.image.processing.usenet
X-Apparently-To: sci.image.processing.usenet


	Does anyone have any source for a Hough transform?  I need
	to put one together for a project and would appreciate a
	kickstart.

	thanks,

	Mark Klamerus
From: news@illusn.enet.dec.com (Mark Sornson)
Newsgroups: sci.image.processing
Subject: "JPEG/JPG" file format
Date: 8 Oct 92 20:34:51 GMT
Article-I.D.: engage.1992Oct8.193635.29090
Organization: Digital Equipment Corporation


    I'm looking for documentation [formal or informal] on the specifics of
    the file format that is commonly referred to JPEG or JPG [i.e.,
    FILENAME.JPG or FILENAME.JPEG] ... you know, for the *.JPG files that
    show up in the alt.binaries.pictures.* groups.

    I assume that this isn't just a naming convention [the use of the
    .JPG/.JPEG extension] to mark TIFF V6.0 files which use the JPEG/DCT
    compression extensions.

    Information by reference or by value (i.e., pointers or e-mailed
    copies) would be appreciated.  (I'm not interested in pointers to
    existing conversion programs; and I'm only slightly interested in code
    that reads and writes these files.  I'd really prefer something akin to
    a format spec.)

    Also I'd appreciate knowing the relationship between the data commonly
    stored in these files and the revision level of the JPEG spec.

    If anyone can help, I'd prefer e-mail, but I don't mind posted
    followups (it's just that I don't keep up with this newsgroup).

    Thanks in advance.

    -mark sornson.
From: roxx@diku.dk (Finn Korsholm Hansen)
Newsgroups: sci.image.processing
Subject: Color correction of scanned film pictures
Date: 13 Oct 92 18:17:20 GMT
Organization: Department of Computer Science, U of Copenhagen

Hi,

I'm involved in a project where the main aim to scan cinema pictures,
so it will be possible to overlay the pictures with some graphics.\
The negative of the film is scanned seperatly with red, green and blue
light. The problem now is to reconstruct the picture (from the scanned
RGB data) with the original colors. This is a problem because the film
material react differently to different colors. Does anyone out there
know how to do the color correction after the scanning of the film
material (making it first of all possible to see the scanned result)?

Do you have any hint on papers or any suggestions, please reply here or
email to roxx@diku.dk.

Finn.
Newsgroups: sci.image.processing
From: meier@thumper (Christopher Meier)
Subject: Re: SBus/VME imaging board info needed.
Organization: Image Manipulation Systems Inc.
Date: Tue, 13 Oct 1992 00:30:48 GMT

In article <1992Oct12.191630.15290@proton.llumc.edu> lin@primus.llumc.edu (P. James Lin) writes:
>
>The board I'm looking for is a video board.  The
>board shall digitize the analog signals received
>from a video camera.  It does not have to be fancy.
>Some build in functions for scaling, referencing,
>histogramming and convolution would be ideal but
>not absolutely necessary. It should be an SBus
>board so it can be plugged into a SPARC workstation.
>However I am also interested in learning any good
>VME products.  It will be used for real time image
>acquisition and displaying so it has to be fast.
>The one we currently use can produce 30 frames
>(512x512x8) per second.
>
>Please E-mail to me. Thank you.
>
>lin@proton.llumc.edu
>
>P. James Lin                      INTERNET: lin@proton.llumc.edu
>Radiation Research Laboratory     UUCP    : ..ucrmath!proton!lin 
>Loma Linda University Medical Center, 11234 Anderson St., Loma Linda, CA 92354
>Tel: (714)824-4066 FAX: (714)824-4067

We (Image Manipulation Systems) market several products in this area.
Our main product is a 24 bit True Color Live Video frame buffer for the
SPARCstation.  It can accept video in real-time, and optionally display
it on the screen in any X window (X11R5 or OpenWindows V3).  A version
of this product that is just a digitizer is also available.  We also
have a JPEG compression/decompression board, capable of (de)compressing
video at up to 30Hz, to/from our frame buffer/digitizer.  It can also
produce video out from the frame buffer or JPEG decompressed data as
well.  These are all SBUS based products.

For more information on these and other products, feel free to call
us at 612-753-5602 or 1-800-745-5602 (toll free).

Chris
-- 

@ Christopher  M.  Meier                    Image Manipulation Systems
@ Voice: (612) 753-5602 Fax: -5603          17595 Partridge St NW
@ meier%thumper@src.honeywell.com           Andover, MN 55304-1456
Newsgroups: sci.image.processing
From: udita@MV3600.BMEN.TULANE.EDU
Subject: Re: Need 3D image registration pointers
Reply-To: udita@MV3600.BMEN.TULANE.EDU
Organization: TULANE, BMEN, NEW ORLEANS, LA
Distribution: sci
Date: Sun, 11 Oct 1992 05:44:31 GMT
Nntp-Posting-Host-[nntpd-20492]: mv3600.bmen.tulane.edu

Hi,
I am in the process of writing up my dissertation on merging CT and MRI
brain images for stereotaxic neurosurgery. What kind of information are
you looking for?
Udita Taneja
Newsgroups: sci.image.processing
From: cheng@pci.ists.ca (Philip Cheng)
Subject: What is Wallis filter ?
Organization: PCI Inc.
Date: Wed, 14 Oct 1992 17:28:15 GMT

Could someone please tell me how does a Wallis filter work and what 
is the advantage of using it?  It is a filter for contrast enhancement.  

Thanks!

cheng@pci.on.ca
Newsgroups: sci.image.processing
From: smr@csuvax1.csu.murdoch.edu.au (smrr)
Subject: Re: Errata for Gonzalez/Wintz?
Organization: Murdoch University
Date:  9 Oct 92 09:23:20 GMT

carrasco@bcars6e1.bnr.ca (Sylvano Carrasco) writes:

>cjwein@watcgl.uwaterloo.ca (Chris Wein) writes:
>>It also corrects an error from the 2nd edition which is the worst I have
>>ever seen.  I really couldn't believe it when I saw it the first time.

>Gee, Chris how nasty of you to put such a leading statement like this and not
>follow up. Not like you at all.
>I used that text for a course and don't remember anything that horrendous.
>Then again maybe I just wasn't paying attention.

>Well, you've got my attention now. So how about it?
>/* reply via newsgroup as I lack internet mail */
>-- 
>Sylvano


I used the book too and am dying to know what this awfull error is. Please
put me out of my misery.

Shri.
Newsgroups: sci.image.processing