Image Problems Please Help !!!

Hi there,

I'm a newbie to this all J2ME, I am working on a project in which I'm using Sony Ericsson W810i. The project requires me to make an application which takes Pictures automatically after every second and keep the last 2 images in a buffered memory. Once the 2 images are obtained, it applies Sobel Filter on it for edge detection to determine whether the camera moved or not. I found this code for Sony Ericsson Z1010 from the following site,

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

This code, does take a picture and save it into some buffer memory, BUT im not sure how to save it in some JPEG format so that I could apply Sobel Filter on it. Please if anyone could help me with it, I will be extremely grateful, its very important that i finish this project in time. how can I change that image into JPEG image for applying Sobel Filter to it. Please help !!!

Another problem is that, the screen size of W810i is 176 x 220, but the image saved is almost half of the screen that i see, is there a way to save the image of the same size as that of the Viewer. Please Suggest something ... Really looking forward to seeing anyones reply soon. Sorry for asking questions in a weird way, im totally a newbie and trying a lot to complete this project.

Regards,
Mubin Khan
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