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From: Ricardo F. <rf...@if...> - 2003-03-07 06:38:07
|
Dear co-developers,
I've included your contributions into a new SIP-dev release!!
Thank you very much for submitting contributions. PLEASE CONTINUE :-)
I also made some improvements to your code.
profil - it's now called "improfile" because this name is less likely to crash
with user symbols, and it is more matlab-like. I also added pretty colors to the
lines that are shown over the image, check it out!
minmax - the code remains basically the same. I just separated the function
"curvature2d" into a new SIP function. MakeMask was put it into mkfilter (see
the help).
imshow - I included Bruno Pincon's code and suggestions!
ChangeLog:
20030307
+ minmax - new min/max noise removal from images (curvature/levelset)
+ curvature2d - estimates the curvature of a surface / image
+ improfile - plot data profiles along line segments through an image
+ imshow is now faster for truecolor images.
+ No more need to normalize truecolor images to 0-65535 range
for imshow. This means you can now call imshow(im),
and _not_ imshow(im*65535), if 0 <= im(i,j,k) <= 255
+ mkfilter has new "circular" mask
+ manual for edilate function
I will try to release the binary packages soon.
Thanks again for contributing,
your names are listed throughout SIP's files
have fun,
Ricardo.
--
Ricardo Fabbri, Cybernetic Vision Research Group, USP, Brazil.
http://cyvision.if.sc.usp.br/~rfabbri
|
|
From: Ricardo F. <rf...@if...> - 2003-03-06 04:02:17
|
Dear SIP co-developers, It is with much joy that I present you with a new SIP development release!! This release exhibits a herculean rewrite of the build process! It is now totally based on GNU autotools. That means you compile it like: ./configure make make install And it automatically looks for installed libraries! Also, it installs in both Scilab 2.6 and 2.7. There's no more need to tweak "Makeso.incl". If any errors occurs, they are well diagnosed by configure. In addition, SIP should now be easily ported to many systems. Another change is the separation of the core C routines into an independent C library, called AnImaL (An Imaging Library). This library is required if you are to build SIP from source. Now SIP is just the interfaces to Scilab for the AnImaL library, together with Scilab scripts. There is no "src/cybervis" directory anymore. Please download SIP-dev from siptoolbox.sourceforge.net/devel, read the INSTALL.txt file that comes with SIP and try to install it in your Linux/Unix/MacOSX/Freebsd/etc, and send any bugs and comments to this list. In the next few days I plan to launch a new stable release with binaries for both Linux and Windows, so any help will be more than welcome now. Please note that compilation from source is now much more robust, but it is not so easy for the average user. The binaries will be much easier to install, and will not require any external software (at the cost of some extra megabytes). I will try to release them today. I haven't yet included the contributions from Leandro and Jocelyn. This will be done shortly, I promise. enjoy, Ricardo. -- Ricardo Fabbri, Cybernetic Vision Research Group, USP, Brazil. http://cyvision.if.sc.usp.br/~rfabbri |
|
From: <a_...@ya...> - 2003-03-04 22:36:48
|
Hi everyone, I´m Alexis and first of all I want to apologize with Ricardo for my delay in answering. I´ve tested the function and it seem to work a little bit faster. Second, I want to say that I came from Argentina and that I´ve recieved a Scolarship to study in Germany. At the University of Bochum, together with Maria Gabriela Maso, and under the guidance of our Tutor Dr. Rolf Würtz, I´ve learned the basics of faces recognition. use theWe use Scilab, SIP Toolbox and a couple of functions that we created in order to achieve our goal. At the moment I´m quiet bussy finishing my investigation project, but I think that we would be able to publish some nice function by the end of March. Good Bye, Alexis Calio _________________________________________________________ Do You Yahoo!? Información de Estados Unidos y América Latina, en Yahoo! Noticias. Visítanos en http://noticias.espanol.yahoo.com |
|
From: Ricardo F. <rf...@if...> - 2003-02-22 04:20:44
|
Hello,
the help function of scilab 2.7 has a very small bug on windows,
which urgent and extremely easy to fix. This is causing
toolboxes with old ".cat" text manual pages to mess up the whole
help system, so many users of SIP (image toolbox) and other
toolboxes are switching back to scilab 2.6.
The file help.sci (in SCI/macros/util) defines a function
change_old_man, which creates a temporary directory to store the
html files generated from the old help format. The directory name
has a trailing "\" which causes the "mkdir" command to fail under
Windows. Note that for Unixes this is harmless!!
The fix is simple:
220 txt=mgetl(%helps(k,1)+"/whatis")
221 whatispath=TMPDIR+"/man"+string(k);
222 p=pathconvert(whatispath);
223 if fileinfo(p)==[] then unix_s("mkdir "+p),end
224
225 name=[],fil=[],def=[]
Just change line 222 into
222 p=pathconvert(whatispath,%f);
Please let me know when this easy fix gets incorporated into scilab
2.7 so windows users can install the toolboxes (including SIP)
without spoiling the help system.
thanks,
Ricardo.
--
Ricardo Fabbri, Cybernetic Vision Research Group, USP, Brazil.
http://cyvision.if.sc.usp.br/~rfabbri
** www.scilab.org - Scilab 2.7 is out there! **
|
|
From: Leandro E. <es...@if...> - 2003-02-20 17:58:44
|
I used scilab 2.6 to develop the script under windows
and for me nested functions work OK. BTW, moving
MakeMask and curvature2D to outside of minmax could
be a fix, even because MakeMask and curvature2D may
be useful to solve other problems.
best regards,
Leandro.
----- Original Message -----
From: "Ricardo Fabbri" <rf...@if...>
To: "SIP development list" <sip...@li...>
Sent: Wednesday, February 19, 2003 8:30 AM
Subject: Re: [SIP-devel] contribution - SIP
> On Wed, 19 Feb 2003, DRUEL Jocelyn wrote:
>
> > Hi,
> > I tried your script:
> > first try with getf('minmax.sci'):
> > error 37, incorrect function at line 71
> > (scilab-2.6, debian).
> >
> > 2nd try: I had a look inside your function: you define the functions
MakeMask
> > and curvature2D inside the function minmax.
> > I tried to move them outside (minmax2.sci). Now it works for me.
> > Maybe it's a problem with my scilab version only ?
> >
>
> It just happens with scilab 2.6 under Linux. I tested it with scilab 2.7,
> and it works fine. Leandro, what scilab version did you use under
windows?
>
> bye,
> Ricardo.
|
|
From: Ricardo F. <rf...@if...> - 2003-02-19 14:29:53
|
On Wed, 19 Feb 2003, DRUEL Jocelyn wrote:
> Hi,
> I tried your script:
> first try with getf('minmax.sci'):
> error 37, incorrect function at line 71
> (scilab-2.6, debian).
>
> 2nd try: I had a look inside your function: you define the functions MakeMask
> and curvature2D inside the function minmax.
> I tried to move them outside (minmax2.sci). Now it works for me.
> Maybe it's a problem with my scilab version only ?
>
It just happens with scilab 2.6 under Linux. I tested it with scilab 2.7,
and it works fine. Leandro, what scilab version did you use under windows?
bye,
Ricardo.
--
Ricardo Fabbri, Cybernetic Vision Research Group, USP, Brazil.
http://cyvision.if.sc.usp.br/~rfabbri
** www.scilab.org - Scilab 2.7 is out there! **
|
|
From: DRUEL J. <joc...@li...> - 2003-02-19 10:36:56
|
Hi,
I tried your script:
first try with getf('minmax.sci'):
error 37, incorrect function at line 71
(scilab-2.6, debian).
2nd try: I had a look inside your function: you define the functions MakeMask
and curvature2D inside the function minmax.
I tried to move them outside (minmax2.sci). Now it works for me.
Maybe it's a problem with my scilab version only ?
best regards,
Jocelyn
Le Lundi 17 Février 2003 21:12, vous avez écrit :
> Dear SIP developers,
>
> My name is Leandro and this is my first contribution to
> the SIP toolbox: the Min/Max algorithm for Noise Removal
> from Images (attached).
> For details, see:
> http://math.berkeley.edu/~sethian/Movies/Movienoiseremoval.html
>
> I hope to contribute more to this project and I intend to
> implement some affine invariant skeletonization algorithm soon.
> If you have doubts/questions about this implementation
> don't hesitate to contact me.
>
> best regards,
>
> Leandro.
>
>
> -------------------------------------------------------
> This sf.net email is sponsored by:ThinkGeek
> Welcome to geek heaven.
> http://thinkgeek.com/sf
> _______________________________________________
> SIPtoolbox-devel mailing list
> SIP...@li...
> https://lists.sourceforge.net/lists/listinfo/siptoolbox-devel
--
Powered by Linux |
|
From: Leandro E. <es...@if...> - 2003-02-17 20:14:57
|
Sorry, as usual, I forgot to attach the files. Here we go... Leandro. |
|
From: Leandro E. <es...@if...> - 2003-02-17 20:13:17
|
Dear SIP developers, My name is Leandro and this is my first contribution to the SIP toolbox: the Min/Max algorithm for Noise Removal from Images (attached). For details, see: http://math.berkeley.edu/~sethian/Movies/Movienoiseremoval.html I hope to contribute more to this project and I intend to implement some affine invariant skeletonization algorithm soon. If you have doubts/questions about this implementation don't hesitate to contact me. best regards, Leandro. |
|
From: DRUEL J. <joc...@li...> - 2003-02-17 08:06:13
|
Le Mercredi 12 Février 2003 22:49, vous avez écrit : > On Wed, 12 Feb 2003, DRUEL Jocelyn wrote: > > Hello, > > Working with laser and inetrferometric systems, I developped this > > function to see the energetical profil of an image. > > Thanks! But pardon me, what do you mean with "energetical"??? > Isn't it a normal profile (sum of pixel values along row/col)? Yes, it's a normal profile. I called this enegetical because we use it to see how the energy is localised in a laser beam (gaussian beam), but you're right, this term may be confusing. > > > Profil can be visualised vertically, horizontally or both. > > Visualisation can be in the same window or in another one. > > Cool. I tested it and it worked. I'll make some improvements and > then post it here again. Have you seen ImLab?? It's a set of image > processing routines that some folks at Cemagref made. It is our intent > to merge it into SIP. They have a profile routine that has some > other features. We could merge it with your solution into a final > function. I didn't know imlab, so I had a quick look: interesting. It seems they essentially write C functions then interface them with scilab. That's a solution. I personnally prefer functions written in scilab when speed is not crucial: * no compilation: it just works immediately on any platform (linux/windows). * maintaining is easier: I believe that people who use scilab aren't necessarily C programmers (and that's why they use scilab: no declarations, easy and powerful functions available, no compilation). So, more users should be able to read (and adapt for their own needs) your scilab code rather than your C code. Friendly Jocelyn -- Powered by Linux |
|
From: Ricardo F. <rf...@if...> - 2003-02-13 02:46:20
|
On Wed, 12 Feb 2003, Ricardo Fabbri wrote: > ... > Isn't it a normal profile (sum of pixel values along row/col)? *** Not sum.... I ment the plot of image rows/cols. Sorry, Ricardo. -- Ricardo Fabbri, Cybernetic Vision Research Group, USP, Brazil. http://cyvision.if.sc.usp.br/~rfabbri |
|
From: Ricardo F. <rf...@if...> - 2003-02-12 23:52:15
|
On Wed, 12 Feb 2003, DRUEL Jocelyn wrote: > Hello, > Working with laser and inetrferometric systems, I developped this function to > see the energetical profil of an image. Thanks! But pardon me, what do you mean with "energetical"??? Isn't it a normal profile (sum of pixel values along row/col)? > Profil can be visualised vertically, horizontally or both. > Visualisation can be in the same window or in another one. > Cool. I tested it and it worked. I'll make some improvements and then post it here again. Have you seen ImLab?? It's a set of image processing routines that some folks at Cemagref made. It is our intent to merge it into SIP. They have a profile routine that has some other features. We could merge it with your solution into a final function. > > I wanted to have the profil drawn in color (say red for example) on the > image, but I didn't find how to do that (xset() shows no color when the image > is dispayed). It would simply be more beautiful. > It would be much better. I'll try to do it. > This function was designed (and tested) only for gray level images. > Ok. I will write some error treatment. Thank you very much for contributing, Ricardo. -- Ricardo Fabbri, Cybernetic Vision Research Group, USP, Brazil. http://cyvision.if.sc.usp.br/~rfabbri |
|
From: DRUEL J. <joc...@li...> - 2003-02-12 07:24:08
|
Hello, Working with laser and inetrferometric systems, I developped this function to see the energetical profil of an image. Profil can be visualised vertically, horizontally or both. Visualisation can be in the same window or in another one. I wanted to have the profil drawn in color (say red for example) on the image, but I didn't find how to do that (xset() shows no color when the image is dispayed). It would simply be more beautiful. This function was designed (and tested) only for gray level images. 3 files: the function, the man page and a file which is allright for testing. kind regards, Jocelyn Druel -- Powered by Linux |
|
From: Ricardo F. <rf...@if...> - 2003-02-11 19:21:16
|
Hello, everybody! Let's welcome two new contributors joining the list! Jocelyn Druel has sent me an archive with a few nice functions (unwrapl and profil), that will probably be incorporated into SIP. Alexis Calio is willing to contribute with face recognition and functions related with template matching with Fourier transfomartion and Gabor Wavelets. kind regards, Ricardo. -- Ricardo Fabbri, Cybernetic Vision Research Group, USP, Brazil. http://cyvision.if.sc.usp.br/~rfabbri |
|
From: Ricardo F. <rf...@if...> - 2003-01-05 19:21:39
|
Greetings for everyone! Happy new year! I'm back from vacation to work on SIP. cheers, Ricardo. -- Ricardo Fabbri Cybernetic Vision Research Group - USP http://cyvision.if.sc.usp.br/~rfabbri |
|
From: Ricardo F. <rf...@if...> - 2002-12-18 13:45:35
|
Hello, world! I'll be working in SIP all day long today. Mainly, I will be autoconfiscating SIP, that is, make the building process independent from Scilab "Makeso.incl" file, by using autoconf/automake/libtool directly. The Scilab build makefile has some problems: 1) It changes between different scilab versions (binaries/build-from-source/cvs) 2) It is tailored for those making small packages for Scilab I want to be able to build SIP easily under windows, using something like MinGW (www.mingw.org). It's awful to use BCC5 every time to build a binary sip package for Windows. It will be better to just sit under windows with mingw installed, and type: "configure; make" I also want to be able to EASILY build static versions of SIP for those having lots of disk space and little patience to install ImageMagick separately. This will be a great step towards simplifying SIP installation and binaries distribution. Cristian and Vasileios, how are you doing? If there's anything I can help today, I'll be online. Cheers, Ricardo. -- Ricardo Fabbri Cybernetic Vision Research Group - USP http://cyvision.if.sc.usp.br/~rfabbri |
|
From: Ricardo F. <rf...@if...> - 2002-12-12 23:54:32
|
On Mon, 9 Dec 2002, Vasileios Zografos wrote: > > As you know I have been working on a Canny edge detector for the SIP. > Well...the C code is pretty much finished. All I have to do now is to > build the Scilab interface and test it. Hopefuly it should be ready > before XMas. Great! I've been very busy this week. Next monday I'll work on SIP again, and I might help with anything needed. 'till then, Ricardo. -- Ricardo Fabbri Cybernetic Vision Research Group - USP http://cyvision.if.sc.usp.br/~rfabbri |
|
From: Vasileios Z. <vzo...@bc...> - 2002-12-09 22:03:54
|
Hello everyone, As you know I have been working on a Canny edge detector for the SIP. Well...the C code is pretty much finished. All I have to do now is to build the Scilab interface and test it. Hopefuly it should be ready before XMas. Vasileios |
|
From: Cristian M. <cm...@te...> - 2002-12-07 14:27:35
|
Ricardo Fabbri wrote: > please follow these steps so we discover what's wrong: > > > 1) Did you fix the LDFLAGS=$(EXTRA_LDFLAGS) bug? (I assume you did) Yes. > 2) type : > ldconfig -p | grep -i magick > > Are the ImageMagick libs listed in the output above?? No. Certainly I've done some wrong things when I uninstalled the old ImageMagick and built a new ImageMagick from source. I've redone all the ImageMagick building process and it's all ok now. Thanks. Cristian. |
|
From: Ricardo F. <rf...@if...> - 2002-12-07 01:44:55
|
On Fri, 6 Dec 2002, Cristian Montagnoli wrote: > > -->mode(-1); > SIP - Scilab Image Processing Toolbox loaded > Enter "sipdemo()" for a demonstration > > Loading shared executable ./cybervis/libcybervis.so > ./cybervis/libcybervis.so: cannot open shared object file: No such fi > le or directory > link(libsip_path+'/cybervis/libcybervis.so'); > !--error 236 > > Fabbri, > I've tried your suggestion but it didn't 'fumegate'. :-) > (-: Cristian, please follow these steps so we discover what's wrong: 1) Did you fix the LDFLAGS=$(EXTRA_LDFLAGS) bug? (I assume you did) 2) type : ldconfig -p | grep -i magick Are the ImageMagick libs listed in the output above?? 3) Before running builder.sce again, type the following insinde the sip-dev directory: make distclean Did it 'funfate' now? If not, please give more details on what you did, the version of ImageMagick, etc. t+ Ricardo. -- Ricardo Fabbri Cybernetic Vision Research Group - USP http://cyvision.if.sc.usp.br/~rfabbri |
|
From: Cristian M. <cm...@te...> - 2002-12-07 00:25:42
|
Hi,
First of all : nice to meet you Vasileios.
I'm in trouble.
I'm trying to get sip-dev running, but the building process on my
machine doesn't generates the libsybervis.so. So I can't run loader.sce.
Look at loader.sce output :
-->mode(-1);
SIP - Scilab Image Processing Toolbox loaded
Enter "sipdemo()" for a demonstration
Loading shared executable ./cybervis/libcybervis.so
./cybervis/libcybervis.so: cannot open shared object file: No such fi
le or directory
link(libsip_path+'/cybervis/libcybervis.so');
!--error 236
Fabbri,
I've tried your suggestion but it didn't 'fumegate'. :-)
Look at this :
#locate libcybervis
/usr/local/src/sip-dev/src/cybervis/.libs/libcybervis.a
/usr/local/src/sip-dev/src/cybervis/.libs/libcybervis.lai
/usr/local/src/sip-dev/src/cybervis/.libs/libcybervis.la
/usr/local/src/sip-dev/src/cybervis/libcybervis.la
/usr/local/src/sip-dev/src/cybervis/libcybervis.a
Someone can help me ?
Cristian.
|
|
From: Cristian M. <cm...@te...> - 2002-12-07 00:00:34
|
Hi,
First of all : nice to meet you Vasileios.
I'm in trouble.
I'm trying to get sip-dev running, but the building process on my
machine doesn't generates the libsybervis.so. So I can't run loader.sce.
Look at loader.sce output :
-->mode(-1);
SIP - Scilab Image Processing Toolbox loaded
Enter "sipdemo()" for a demonstration
Loading shared executable ./cybervis/libcybervis.so
./cybervis/libcybervis.so: cannot open shared object file: No such fi
le or directory
link(libsip_path+'/cybervis/libcybervis.so');
!--error 236
Fabbri,
I've tried your suggestion but it didn't 'fumegate'. :-)
Look at this :
#locate libcybervis
/usr/local/src/sip-dev/src/cybervis/.libs/libcybervis.a
/usr/local/src/sip-dev/src/cybervis/.libs/libcybervis.lai
/usr/local/src/sip-dev/src/cybervis/.libs/libcybervis.la
/usr/local/src/sip-dev/src/cybervis/libcybervis.la
/usr/local/src/sip-dev/src/cybervis/libcybervis.a
Someone can help me ?
Cristian.
|
|
From: Ricardo F. <rf...@if...> - 2002-12-05 16:05:53
|
On Thu, 5 Dec 2002, Vasileios Zografos wrote: > :) Well maybe mine will turn out to be faster. I will see.... > > By the way...in general would you rather SIP has its own functions or > that it uses other from other progs? Like ImageMagick and Gimp? > Let me know > I prefer the most convenient. A good external library is generally preferred. Then we developers don't need to maintain too much code. But no problem if you implement it. Sometimes it is more convenient to implement things ourselves. What is MOST important is to provide a good interface to the end-user. This way the implementation may change later with minimal headaches. But to be sincere, I would use the Canny edge detector from the Gandalf library: gandalf-library.sf.net This way we learn to use that powerful library for many other functions too. That library is way better than ImageMagick or Gimp for computer vision. In the future I'd like to reshape SIP's C core to use Gandalf's framework (image struct, error treatment, etc.). But you may do what you desire. As long as you come up with a working Canny edge detector, that will already be great. Ricardo. -- Ricardo Fabbri Cybernetic Vision Research Group - USP http://cyvision.if.sc.usp.br/~rfabbri |
|
From: Vasileios Z. <vzo...@bc...> - 2002-12-05 00:52:37
|
:) Well maybe mine will turn out to be faster. I will see.... By the way...in general would you rather SIP has its own functions or that it uses other from other progs? Like ImageMagick and Gimp? Let me know Vas Ricardo Fabbri wrote: >On Wed, 4 Dec 2002, Vasileios Zografos wrote: > > > >>Will do.... >>I am kinda busy trying to implement the Canny edge detector. >>I will try the next couple of weeks >>Is this related in anyway? >> >> > >Maybe ImageMagick already uses Canny, so you may save your time. > > >Ricardo. > >-- > Ricardo Fabbri > Cybernetic Vision Research Group - USP > http://cyvision.if.sc.usp.br/~rfabbri > > > > > |
|
From: Ricardo F. <rf...@if...> - 2002-12-04 05:50:33
|
Hi, Vasileios, please check out the "-edge" parameter of the SIP mogrify routine. When you have some time, see sourcecode of ImageMagick. I didn't have time to discover which algorithm they use. Ricardo. -- Ricardo Fabbri Cybernetic Vision Research Group - USP http://cyvision.if.sc.usp.br/~rfabbri |
