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-   Multimedia (https://talk.maemo.org/forumdisplay.php?f=32)
-   -   Retro camera app - Need image processing advice (https://talk.maemo.org/showthread.php?t=53516)

fieldofcows 2010-05-25 22:37
Re: Retro camera app - Need image processing advice
 
I'm having some success analysing how ToyCamera AnalogColor produces it's effects by passing some test images through it and seeing what happens when you move the sliders. I think I should be able to make my effects produce something similar.

Bratag, thanks for the offer of help. I may well take you up on it when I get stuck!

fieldofcows 2010-05-27 23:19
Re: Retro camera app - Need image processing advice
 
1 Attachment(s)
Well, I've spent quite a long time now playing around with different filters and effects and I've knocked together this quick Qt application to try them all out. I'm quite pleased with the results!

As an added bonus, although I developed my Qt test app on a desktop machine it cross-compiles to N900 with no modifications. I love Qt! If anyone thinks it's useful, I'll develop this into a releasable application that can be used to apply classic photo effects to existing photos. Let me know what you think.

quipper8 2010-05-27 23:23
Re: Retro camera app - Need image processing advice
 
thats awesome!

yes of course package it and release it

das_schlumpfie 2010-05-28 00:48
Re: Retro camera app - Need image processing advice
 
hi, yes please!!!

please let us test it, it looks exciting!

snookh 2010-05-29 11:38
Re: Retro camera app - Need image processing advice
 
Looks very cool!

shazosbourne 2010-05-29 13:00
Re: Retro camera app - Need image processing advice
 
Giddyup!

Well done F.O.C!
Release it.

das_schlumpfie 2010-05-30 15:15
Re: Retro camera app - Need image processing advice
 
is it coming out soon? can't wait!

fieldofcows 2010-05-30 21:23
Re: Retro camera app - Need image processing advice
 
Don't worry - it won't be long! I've been working pretty hard on this and I'm just getting the user interface together.

I'm not sure what the performance will be like on the N900 though. I may have to spend some time optimising my image processing functions to make it process images at a reasonable speed.

I'll put some screenshots of the UI up for comment when I've got it to a suitable stage.

das_schlumpfie 2010-05-31 03:14
Re: Retro camera app - Need image processing advice
 
hi!

what do you mean by 'I'm not sure what the performance will be like on the N900' , i thought you wrote it based on n900? or am i crabbing the wrong end of the stick? lol

anyway cheers for this interesting app for me to look forward to.

fieldofcows 2010-05-31 08:20
Re: Retro camera app - Need image processing advice
 
Quote:
Originally Posted by das_schlumpfie (Post 690999)
hi!

what do you mean by 'I'm not sure what the performance will be like on the N900'.
Remember that I started out by developing a camera app. The tool that allows you to apply effects to existing photos was only written so I could tweak and test the effects before putting them in the camera app so I developed it on a desktop machine so I wasn't really concerned with performance.

At the moment a 480x320 preview image takes about 5s to process on the N900. I am yet to try it with a full size image. I have no doubt that the N900 can do it but I will probaby need to optimise the code a bit to make it usable.


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