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translate the adapthisteq.m of matlab to delphi

 
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li
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PostPosted: Thu May 05, 2005 4:13 am    Post subject: translate the adapthisteq.m of matlab to delphi Reply with quote



hello:

Can anybody translate the adapthisteq.m of matlab to delphi? I want to
write a program,So I must translate it.

Thanks a lot in advance

li



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Charles Hacker
Guest





PostPosted: Thu May 05, 2005 6:10 am    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote



li wrote:
Quote:

Can anybody translate the adapthisteq.m of matlab to delphi? I want to
write a program,So I must translate it.

Well I dont fully understand what your asking!

Are you asking to translate a Matlab 'm' script ('C' like) to Delphi
(Pascal)?
If this is the case, then what is "adapthisteq.m", and where to find it?
(I teach Matlab at this university, so I know it is not a common matlab
script).

Or are you asking for how to automate Matlab?
If that is the case, you can take a look at my (or others) Matlab
automation delphi code at:
http://www.djpate.freeserve.co.uk/Matlab.htm

--
Charles Hacker
Lecturer in Electronics and Computing
School of Engineering
Griffith University - Gold Coast
Australia

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Nils Haeck
Guest





PostPosted: Thu May 05, 2005 12:55 pm    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote



Hello Li,

I've written many ports from matlab to Delphi, but I don't know by heart
adapthisteq.m. Perhaps you can post the salient part of it here, and I can
give you some pointers on how to translate.

Please note that all variables in matlab are by default matrices, and that a
simple

a = 1 / b

can already be quite complicated in Delphi (creating a matrix class, doing a
matrix inversion etc).

Nils
www.simdesign.nl


"li" <li0713 (AT) hotmail (DOT) com> schreef in bericht
news:42799d74 (AT) newsgroups (DOT) borland.com...
Quote:
hello:

Can anybody translate the adapthisteq.m of matlab to delphi? I want
to
write a program,So I must translate it.

Thanks a lot in advance

li






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Mark Vaughan
Guest





PostPosted: Thu May 05, 2005 1:18 pm    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

Charles Hacker <reply.to (AT) borland (DOT) newsgroups> wrote in
news:4279B8E6.C8404F09 (AT) borland (DOT) newsgroups:

Quote:
I teach Matlab at this university

any suggestions for a good tutorial text for self-study? there's
an enormous selection of bookd listed at the MatLab web site (see
[url]http://www.mathworks.com/support/books/)[/url], but it's hard for the
uninitiated (i.e., me! :^D) to make heads or tails of it


--
Mark Vaughan
___________

Visit the Numerical Methods in Pascal web page at
http://www-rab.larc.nasa.gov/nmp/fNMPhome.htm


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Lord Crc
Guest





PostPosted: Thu May 05, 2005 1:59 pm    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

On Thu, 05 May 2005 16:10:46 +1000, Charles Hacker
<reply.to (AT) borland (DOT) newsgroups> wrote:

Quote:
(I teach Matlab at this university, so I know it is not a common matlab
script).

Seems to me it it is?
http://www.mathworks.com/access/helpdesk/help/toolbox/images/adapthisteq.html

(then again, i've never used matlab so :)

Here's some C code from (Graphic?) Gems IV:
http://www.cse.ucsc.edu/~pang/160/f98/Gems/GemsIV/clahe.c

Should be straight forward to convert.

- Asbjørn

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Charles Hacker
Guest





PostPosted: Thu May 05, 2005 10:55 pm    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

Mark Vaughan wrote:
Quote:

any suggestions for a good tutorial text for self-study? there's
an enormous selection of bookd listed at the MatLab web site (see
[url]http://www.mathworks.com/support/books/)[/url], but it's hard for the
uninitiated (i.e., me! :^D) to make heads or tails of it

The MAIN question asked!!
What one student calls a good book, another calls the most difficult to
read of all!

I would suggest you look at the online Matlab tutorials, offered by many
universities,
including my universities Matlab tutorial site:
http://maxwell.me.gu.edu.au/spl/matlab-page/index.html


--
Charles Hacker
Lecturer in Electronics and Computing
School of Engineering
Griffith University - Gold Coast
Australia

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Charles Hacker
Guest





PostPosted: Thu May 05, 2005 10:57 pm    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

Lord Crc wrote:
Quote:

(I teach Matlab at this university, so I know it is not a common matlab
script).
Seems to me it it is?
http://www.mathworks.com/access/helpdesk/help/toolbox/images/adapthisteq.html

Okay, its an obscure routine in the 'Image Processing Toolbox'!

I do NOT have the 'Image Processing Toolbox', (just the 'Signal
Processing Toolbox', and 'Data Acquision ToolBox), so was not able to
find it.


--
Charles Hacker
Lecturer in Electronics and Computing
School of Engineering
Griffith University - Gold Coast
Australia

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Charles Hacker
Guest





PostPosted: Thu May 05, 2005 11:08 pm    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

li wrote:
Quote:

Can anybody translate the adapthisteq.m of matlab to delphi? I want to
write a program,So I must translate it.

Okay, its an obscure routine in the 'Image Processing Toolbox'!

I do NOT have that tool box so I do not have the code, (and you will be
breaking the licence aggrement if you give out the code).

But in any case, (judging by the Matlab routines in the "Signal
Processing" and "Data Acquisition" toolboxes) the co0de is generally
very complex (thus difficult to translate to other langauges) and
usually is just a shell for a DLL routine, (and because of copywrite the
DLLs are purposely un-documented!).

--
Charles Hacker
Lecturer in Electronics and Computing
School of Engineering
Griffith University - Gold Coast
Australia

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Ronaldo Souza
Guest





PostPosted: Thu May 05, 2005 11:39 pm    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

Li,
As Charles said, .m files use the libs that come with MatLab which
implement *thousands* of algorithms, placing millions of lines of source
code at the user's disposal. I once had to "translate" a 7 line .m file
to Delphi and it required a couple of thousands of lines to handle
matrix operations, graphics, statistics and of course the particular
algorithm I was interested in (which took about 500 lines...Smile)

You might want to look at the MatLab group at:
http://newsreader.mathworks.com/WebX?14@@/comp.soft-sys.matlab

Good luck,
Ronaldo

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Lord Crc
Guest





PostPosted: Fri May 06, 2005 9:10 am    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

On Fri, 06 May 2005 08:57:15 +1000, Charles Hacker
<reply.to (AT) borland (DOT) newsgroups> wrote:

Quote:
Okay, its an obscure routine in the 'Image Processing Toolbox'!

I do NOT have the 'Image Processing Toolbox', (just the 'Signal
Processing Toolbox', and 'Data Acquision ToolBox), so was not able to
find it.

Ah, these are like add-ons then, bought separately? In any case, I can
see that it's not a standard function :)

- Asbjørn

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Nils Haeck
Guest





PostPosted: Fri May 06, 2005 11:47 am    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

Yes, that's the policy of Mathworks, and these addons can be quite
expensive! (think of thousands of Euros).

Nils

"Lord Crc" <lordcrc (AT) hotmail (DOT) com> schreef in bericht
news:i3dm715g2tqsvc41lbugbmobkhf836kagl (AT) 4ax (DOT) com...
Quote:
On Fri, 06 May 2005 08:57:15 +1000, Charles Hacker
[email]reply.to (AT) borland (DOT) news[/email]groups> wrote:

Okay, its an obscure routine in the 'Image Processing Toolbox'!

I do NOT have the 'Image Processing Toolbox', (just the 'Signal
Processing Toolbox', and 'Data Acquision ToolBox), so was not able to
find it.

Ah, these are like add-ons then, bought separately? In any case, I can
see that it's not a standard function :)

- Asbjørn



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Lord Crc
Guest





PostPosted: Fri May 06, 2005 8:48 pm    Post subject: Re: translate the adapthisteq.m of matlab to delphi Reply with quote

On Fri, 6 May 2005 13:47:24 +0200, "Nils Haeck" <bla (AT) bla (DOT) com> wrote:

Quote:
Yes, that's the policy of Mathworks, and these addons can be quite
expensive! (think of thousands of Euros).

Dayum! But I got to admit, it looks pretty powerfull from what I've
seen.

- Asbjørn

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