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Image Detection

I want to overlay 2d images on a box using image target. I tested with an image RGB taken by my mobile phone and Vuforia Engine succeed to detect the box and display the overlay images but when I use an RGB image from a specific camera as an image target, the box becomes undetectable. I have tried to change the parameters of the image like the contrast, the saturation,... but without a result. Could you please help me ? In my final project I have to use the images from the specific camera as an image target. 

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