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WHAT is image processing & how to do it using C

P: n/a

hey guys,can anyone tell me what is image processing,
how to do it using C.
IN KSHITIJ 2007 held at IIT kgp a que by INFOSYS is asked,
they hav given an image then cut in different orientation ,put in a
abstract(unordered) manner & asked to jumble it using C
PROGRAMMING to get the real image.

Jun 1 '07 #1
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P: n/a

birensubu...@gmail.com wrote:
hey guys,can anyone tell me what is image processing,
how to do it using C.
IN KSHITIJ 2007 held at IIT kgp a que by INFOSYS is asked,
they hav given an image then cut in different orientation ,put in a
abstract(unordered) manner & asked to jumble it using C
PROGRAMMING to get the real image.
i couldn't really parse your last sentence, but i'm sure it's not
relevant to this group
here is a few links you may want to read
http://en.wikipedia.org/wiki/Image_processing
http://en.wikipedia.org/wiki/Netique...enet_etiquette
http://c-faq.com/

Jun 1 '07 #2

P: n/a
In article <11*********************@o5g2000hsb.googlegroups.c om>,
nszabolcs <ns*******@gmail.comwrote:
>
birensubu...@gmail.com wrote:
>hey guys,can anyone tell me what is image processing,
how to do it using C.
IN KSHITIJ 2007 held at IIT kgp a que by INFOSYS is asked,
they hav given an image then cut in different orientation ,put in a
abstract(unordered) manner & asked to jumble it using C
PROGRAMMING to get the real image.

i couldn't really parse your last sentence, but i'm sure it's not
relevant to this group
here is a few links you may want to read
http://en.wikipedia.org/wiki/Image_processing
http://en.wikipedia.org/wiki/Netique...enet_etiquette
http://c-faq.com/
Indeed. Also:

http://en.wikipedia.org/wiki/Aspergers
http://en.wikipedia.org/wiki/Clique
http://en.wikipedia.org/wiki/C_programming_language

Jun 1 '07 #3

P: n/a

<bi**********@gmail.comwrote in message
news:11**********************@r19g2000prf.googlegr oups.com...
>
hey guys,can anyone tell me what is image processing,
how to do it using C.
IN KSHITIJ 2007 held at IIT kgp a que by INFOSYS is asked,
they hav given an image then cut in different orientation ,put in a
abstract(unordered) manner & asked to jumble it using C
PROGRAMMING to get the real image.
Image processing in C is easy. Basically

void processimage(unsigned char *rgb, int width, int height)
{
/* code goes here - eg to make image black call memset */
}

There is no standard library for displaying images, but plenty of
platform-specific ones. You can also write the image as a BMP or, if
adventurous, GIF, TIFF or JPEG.

In your case you need to do Fourier transforms to find joins that don't
produce a high-frequency spike, caused by the mismatch. There is plenty of C
code on the net that does this sort of thing, but it really become an
algorithms rather than a C question.
Because image processing tends to be processor-intensive, C is the language
of choice. You might like to look at BASICdraw, however, on my website. This
allows some simple image processing in BASIC. Theoretically you could do a
fast Fourier transform with it, but really that would be stretching it too
far.

--
Free games and programming goodies.
http://www.personal.leeds.ac.uk/~bgy1mm

Jun 2 '07 #4

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