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    Hey Thosiris, one straight forward workflow is you could track it in Mocha and later apply a grip wrap or any other distortion tools to match with your round object.
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    Basically what you need is an accurate model of the bottle. By saying accurate i mean accurate general proportions and very accurate positions of the labels on the bottle.Based on this model you can input exact 3d positions of each feature that is available in the shot, for instance some letter on the bottle or a few corners of one of the labels on it. By pointing these positions to your matchmoving software the solve will be much more easy to accomplish. These constrains will make thing easier but you still need more than about 4-6 in each frame (but you have to go for 10 or more to be really confident) for things to work nicely.
    You can forget about auto tracking in these types of shots it won't work. You have a limited amount of information and you have to track each known feature yourself (either assisted or not).
    You can add or change reflections on the bottle besides the label replacement.Everything depends on how good your 3d model is (meaning scale accurate).
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June 19th, 2011 11:14 PM
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