J2ME Help required (URGENT !!!)

Hello everyone,
Well I'm a newbie to this J2ME thing, I am working on a project right now which requires me to develop an application for my mobile phone Sony Ericsson W810i. This application accesses the on board camera and take images after every 1 sec and keep on saving the last 2 images in 2 different files or buffers. Once the images are obtained, Sobel Filter (Image processing) is applied on it for edge detection. Can anyone please help me with this all, I am really desperate and time is running out.
At the moment, I found this code on Sony Ericsson Developer forums which works perfectly fine with my W810i, the link to the code is as follows,

http://developer.sonyericsson.com/site/global/techsupport/tipstrickscode/java/p_java_0403.jsp

Well this takes one image and shows it on the canvas, however I am still trying to figure out a way to remove the question it asks whenever i press the button SNAPSHOT, it asks "Do u want to allow the application to access Camera?", is there a way to remove this as well. Please let me know.
Last thing, the getSnapshot is used as vc.getSnapshot(null), i read and changed it to vc.getSnapshot("encoding=jpeg");
This works fine with my mobile as well, but now i cant find any help on how to apply image processing on this encoded jpeg !!! Well please reply, as much as u know, u dun have to answer all the questions, any information regarding this is helpful, I'll be extremely grateful !!!

Thanks a lot,
Regards,
Mubin Khan
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