HDRI balls for Image based lighting

In today's lecture we learnt about using HDRI balls (high dynamic range image), which is essentially a mirror ball, to photograph light information from a real life scene. This information is then used later on to light CGI elements in order to make them fit into a scene more seamlessly. We used this technique to composite the 2 balls on the table in this photograph. To improve this scene further, I would tweak the shadow opacity, add the blue table  top into Maya to get the correct reflection, correct the angle of the CGI elements slightly to match that of the photograph's, and mimick the slight motion blur. But as it stands it still looks pretty decent!

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