The present invention relates to a sensor test bed, an object sensing device, and an object sensing method for sensing a three-dimensional shape of an object. The object test sensing method includes sensing a position of an object sensing device based on a position identification marker having information on each position, By correcting and combining the three-dimensional shape of an object sensed at various positions using the distance between the object sensing device and the object, it is possible to reduce the error in the derivation of the three-dimensional shape and acquire the accurate shape of the object.
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