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. 2023 Jan 25;13:1399. doi: 10.1038/s41598-023-28400-x

Table 1.

Comparison of recent CNN-based root detection tools in terms of development and functionality.

SegRoot Adapted U-Net faRIA RootDetector
Reference Wang et al.15 Smith et al.14 Narisetti et al.13 This study
F1 Performance Evaluation 0.6479 0.70 0.87 0.6044
Experimental setting Greenhouse Mesocosms Greenhouse Mesocosms and field
Ecosystem Agricultural Agricultural Agricultural Fen peatlands
Species Soy Chicory Maize Multispecies
Rhizotron type and -dimensions Minirhizotron, 64 mm inner diameter Large Rhizobox IPK plant phenotyping system 36 Minirhizotron, 64 mm inner diameter
Image sampling Circular Scanner (CI-600) Compact Camera (Olympus Tough TG 860) Near-Infrared Monochrome camera (UI-5200SE-M-GL, IDS Circular scanner (CI-600)
Image dimension; resolution 2550 × 2273 at 100 dpi 3991 × 1842 2345 × 2665 2550 × 2273 at 100 dpi
Root traits Root pixels, root length Root pixels 75 Root traits Root pixels, root length, root pixel turnover**
Transferability Possible* Possible* Possible* Possible**

*Possible according to source publication.

**Transfer to other ecosystems and in-depth retraining options as well as module for assessment of turnover in time series to be published soon.

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