What should I watch out for when taking pictures ? 


The most important factor, from our experience, is the separation between the two shots (or the length of the baseline). The baseline must be of a reasonable size. We recommend 1 to 2 m (3 to 6 ft) for indoor environment and 2 m (6 ft) and above for outdoor environment. A general rule of thumb is that the further away the object, the large the baseline is needed to ensure high metrology accuracy. Hence, if the metrology accuracy is not satisfactory, always try to retake pictures using a larger baseline.

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