Comparison of three methods used to obtain human data.
|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 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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