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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