1. Estimating soil properties with a mobile phone;Aitkenhead,2016
2. ASTM, 2009. Standard Test Methods for Particle-Size Distribution (Gradation) Of Soils Using Sieve Analysis; ASTM International D: West Conshohocken, PA, USA.
3. Quantification of soil features using digital image processing (DIP) techniques;Aydemir;Geoderma,2004
4. A novel method for calibration of digital soil images captured under irregular lighting conditions;Baek;Sensors,2023
5. Billmeyer, F.W., Saltzman, M., 1981. Principles of Color Technology. Wiley-Interscience: New York, NY, USA.