From: Computer vision and machine learning enabled soybean root phenotyping pipeline
Trait name | Symbol | Unit | Trait description |
---|---|---|---|
Total root length | TRL | cm | Cumulative length of all the roots in centimeters |
Primary root length | PRL | cm | Length of the Primary root in centimeters |
Lateral root length | LRL | cm | Cumulative length of all lateral roots in centimeters |
Mean lateral root length | MSL | cm | Mean length of all lateral roots in centimeters |
TRLUpper | TRLUpper | cm | Total root length of the upper one third |
TRLLower | TRLLower | cm | Total root length of the lower two third |
Perimeter | PER | cm | Total number of network pixels connected to a background pixel |
Depth | DEP | cm | The maximum vertical distance reached by the root system |
Width | WID | cm | The maximum horizontal width of the whole RSA |
Diameter | DIA | cm | Diameter of the primary root |
Lateral root branches | LRB | Count | Number of lateral root branches |
Nodes of lateral roots | NLR | Count | Number of nodes of lateral roots |
Independent root branches | IRB | Count | Number of independent lateral root branches |
Lateral root tip | RTA | Count | Number of lateral root tips |
Median | MED | Count | The median number of roots at all Y-location |
MaximumR | MAX | Count | The maximum number of roots at all Y-location |
Maximum number of roots | MNR | Count | The 84th percentile value of the sum of every row |
Network area | NWA | Count | The number of pixels that are connected in the skeletonized image |
Convex area | CVA | cm2 | The area of the convex hull that encloses the entire root image |
RhizoArea | RHZO | cm2 | Length of 2Â mm surrounding the TRL |
TRArea | TRArea | cm2 | Area of the RSA as observed in the 2D projected view |
Primary root surface area | PRA | cm2 | Surface area of the primary root |
TRAUpper | TRAUpper | cm2 | Total root area of the upper one third |
TRALower | TRALower | cm2 | Total root area of the lower two third |
Volume | VOL | cm3 | Volume of the primary root |
Lateral root branching angle | LBA | Angle | Lateral root branching angle near the primary root node |
Lateral root angles | LRA | Angle | Root angles along the extent of all lateral roots |
Lateral root tip angle | RTA | Angle | Root angle at lateral root tips |
Width/depth ratio | WDR | Ratio | The ratio of the maximum width to depth |
Solidity | SOL | Ratio | The fraction equal to the network area divided by the convex area |
Bushiness | BSH | Ratio | The ratio of the maximum to the median number of roots |
Length distribution | LED | Ratio | TRLUpper/TRLower |
LRL by PRL | LSLPL | Ratio | Number of the Lateral root per unit length of the Primary root |
Center of mass | COM | Ratio | Center of gravity of the root/Depth |
Center of point | COP | Ratio | Absolute center of the root regardless of root length/Depth |
Center of mass (Top) | CMT | Ratio | Center of gravity of the top 1/3 of the root (Top)/Depth |
Center of mass (Mid) | CMM | Ratio | Center of gravity of the middle 1/3 root (Middle)/Depth |
Center of mass (Bottom) | CMB | Ratio | Center of gravity of the bottom 1/3 root (Bottom)/Depth |
Center of point (Top) | CPT | Ratio | Absolute center of the root regardless of root length (Top)/Depth |
Center of point (Mid) | CPM | Ratio | Absolute center of the root regardless of length (Middle)/Depth |
Center of point (Bottom) | CPB | Ratio | Absolute center of the root regardless of root length (Bottom)/Depth |