PicoCam: High-resolution 3D imaging of live animals and preserved specimens

The PicoCam system is a multi-camera photogrammetry rig used for generating high-resolution 3D models of animals in the field, or preserved specimens in laboratory or museum settings. The digital measurement of 3D models is increasingly useful for studying body shape. However, methods that capture sub-millimetric detail often do so at the cost of portability and versatility; this system aims to bridge this gap. The PicoCam system employs 3D digital photogrammetry, a process that generates accurate, full-color,  3D models from sequences of photographs. By using six cameras and a rotating base, the system is able to capture multiple angles in rapid succession – a key advantage for both 3D-imaging live specimens and efficiently scanning museum specimens. Through the use of macro lenses and high-resolution camera sensors, this system can capture sub-millimetric detail without sacrificing portability. In this study, we 3D imaged the bills of 19 species of hummingbirds using the PicoCam syste..., , , # PicoCam

We submitted our raw data (PicoCam_measurements.csv), as well as our 3D models in .OBJ format used to collect the data (PicoCam_models.zip).

## Descriptions

### PicoCam\_measurements

* *Species*: species scanned to produce the 3D model
* *Dataset*: whether the scan was generated from live animals in the field, or a museum specimen
* *Length*: length of the bill in mm
* *Width*: width of the base of the bill in mm
* *Height*: height of the base of the bill in mm
* *Volume*: volume of the bill in cubic mm
* *SA*: surface area of the bill in square mm

### PicoCam\_models

PicoCam_models.zip contains 3D models for 19 species of hummingbirds assembled in a combined .OBJ format. The 3D models were arranged in Blender (Version 4.1), which can also be used to view, measure, and export the individual models.