Hi Cedric,

Did you try to use the e-CAM32_OMAP_GSTIX(www.e-consystems.com/omapovero.asp)  ?

This can provide 30fps at 640x480.

The e-CAM50_OMAP_GSTIX  can do 50fps at VGA and can do 720p@30fps. We have several customers using with open CV applications.

Hari shankkar