Table 1 Characteristics of the SPECIM IQ hyperspectral imaging system and its context RGB camera [64]

From: From RGB camera to hyperspectral imaging: a breakthrough in Neolithic rock painting analysis

Hyperspectral imager

SPECIM IQ

Sensor type

CMOS

 Spectral range

400–1000 nm

 Spectral resolution

7 nm

 Spectral bands

204

 Image size

512 × 512 px

 Focal length

21 mm

 Field of view (fixed lens)

31 × 31°

 Imaged wall @ 1 m

55 × 55 cm

 Spatial resolution @ 1 m

1.07 mm

 Focus range

15 cm–infinity

 Weight

1.3 kg

Context RGB image

 Image size

1280 × 960 px

 Imaged wall @ 1 m

110 × 82 cm

 Spatial resolution @ 1 m

0.85 mm