Open Access

Table 1

Comparison of three methods used to obtain human data.

Advantages Disadvantages Possibilities Limitations
Laser scanning 1 High accuracy 1 Unable to obtain coloring information of 3D data Accurate three-dimensional information database can be established For professional use only
2 Expensive
2 Data obtained are very comprehensive 3 Data cannot be obtained due to the high gloss surface of humans
4 Too much data
Depth cameras 1 Inexpensive 1 Camera parameters need to be calibrated Can obtain real-time three-dimensional scanning data and has a wide range of potential application Not widely available, so ordinary users without specific needs would not buy this hardware
2 Three-dimensional images can be obtained relatively quickly 2 Scanned background needs to be simple
3 The data are more accurate after using the improved algorithm 3 Procedures need to be perfected to improve scanning quality
4 Easy to use
Three-dimensional reconstruction of photographs 1 Cheapest 1 Accuracy of the data is not high Accuracy of scanned data using a variety of methods can be effectively improved Professional software is needed to perform three-dimensional reconstruction
2 Easy to use 2 Many photographs from different angles are needed
3 Data transmission is simple and fast

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