Publications

Conference Publications:

1. A. U. G. Sankararao, Sai Kiran K, Rajalakshmi P., Sunita Choudhary, ”Stover Nitrogen Estimation in Groundnut Using Hyperspectral UAV Imagery and Machine Learning,” in 3rd International IEEE Applied Sensing Conference (APSCON), Hyderabad, India, 2025.

2. Adduru U G Sankararao, Sai Kiran K, Rajalakshmi P., Sunita Choudhary, "UAV-borne Hyperspectral Imaging Dataset of Pearl millet Canopy Water Stress", in Second International Conference on Agriculture-Centric Computation (ICA), Delhi, India, 2024. 

3. A. U. G. Sankararao, K. Saikiran and P. Rajalakshmi, "Hyperspectral Image Denoising: A Comparative Study On Uav Based Vegetation Data," 2023 13th Workshop on Hyperspectral Imaging and Signal Processing: Evolution in Remote Sensing (WHISPERS), Athens, Greece, 2023, pp. 1-5, doi: 10.1109/WHISPERS61460.2023.10431286.

4. Adduru U G Sankararao, Tejasri N, and P. Rajalakshmi,  "Unmanned Aerial Vehicle Based Hyperspectral Imaging for Crop Phenotyping," 6th International Conference on Microactuators, Microsensors and Micromechanisms (MAMM), Hyderabad, India, Dec 2022 (Received Best Abstract Award)

5. A. U. G. Sankararao, P. Rajalakshmi, S. Kaliamoorthy and S. Choudhary, "Water Stress Detection in Pearl Millet Canopy with Selected Wavebands using UAV Based Hyperspectral Imaging and Machine Learning," 2022 IEEE Sensors Applications Symposium (SAS), Sundsvall, Sweden, 2022, pp. 1-6, doi: 10.1109/SAS54819.2022.9881337.

6. A. U. G. Sankararao and P. Rajalakshmi, "UAV Based Hyperspectral Remote Sensing and CNN for Vegetation Classification," IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium, Kuala Lumpur, Malaysia, 2022, pp. 7737-7740, doi: 10.1109/IGARSS46834.2022.9883045.

7. A. U. G. Sankararao, G. Priyanka, P. Rajalakshmi and S. Choudhary, "CNN Based Water Stress Detection in Chickpea Using UAV Based Hyperspectral Imaging," 2021 IEEE International India Geoscience and Remote Sensing Symposium (InGARSS), Ahmedabad, India, 2021, pp. 145-148, doi: 10.1109/InGARSS51564.2021.9791948.

8. A. U. G. Sankararao, S. Kumar N.T, D. Naresh and P. Rajalakshmi, "Optimal Parameter Selection for UAV Based Pushbroom Hyperspectral Imaging," 2021 IEEE International India Geoscience and Remote Sensing Symposium (InGARSS), Ahmedabad, India, 2021, pp. 413-416, doi: 10.1109/InGARSS51564.2021.9791950.

9. P. Rajalakshmi, Adduru U.G. Sankararao, G. Priyanka, “Drone-Based Sensing for Agriculture: Way Forward” extended summary in 5th International Agronomy Congress,  Hyderabad, India, Nov 2021. 

10. A. U. G. Sankararao, N. T. S. Kumar and P. Rajalakshmi, "Workflow and Calibration of Airborne Hyperspectral Imaging System," 2020 IEEE International Conference on Computing, Power and Communication Technologies (GUCON), Greater Noida, India, 2020, pp. 757-762, doi: 10.1109/GUCON48875.2020.9231236.

11. S. S. Bhattacherjee, S. Shreeshan, G. Priyanka, A. U. G. Sankararao and P. Rajalakshmi, "Efficient Processing Methodology for UAV Flight Path Detection," 2020 IEEE International Conference on Computing, Power and Communication Technologies (GUCON), Greater Noida, India, 2020, pp. 769-772, doi: 10.1109/GUCON48875.2020.9231136.

12. B. Prasad, A. U. G. Sankararao, S. D. Roy and S. Kundu, "Throughput and outage of a wireless energy harvesting based cognitive relay network," 2016 International Conference on Advances in Computing, Communications and Informatics (ICACCI), Jaipur, India, 2016, pp. 2009-2014, doi: 10.1109/ICACCI.2016.7732346.

Journals:

1.  A. U. G. Sankararao, P. Rajalakshmi and S. Choudhary, "UC-HSI: UAV Based Crop Hyperspectral Imaging Datasets and Machine Learning Benchmark Results," in IEEE Geoscience and Remote Sensing Letters, vol. 21, pp. 1-5, 2024, Art no. 5508005, doi: 10.1109/LGRS.2024.3431644.

2.  A. U. G. Sankararao, P. Rajalakshmi and S. Choudhary, "Machine Learning-Based Ensemble Band Selection for Early Water Stress Identification in Groundnut Canopy Using UAV-Based Hyperspectral Imaging," in IEEE Geoscience and Remote Sensing Letters, vol. 20, pp. 1-5, 2023, Art no. 5505805, doi: 10.1109/LGRS.2023.3284675.

3.  B. Prasad, A. U. G. Sankararao, S. Kundu, and S. D. Roy, “Throughput and outage probability of wireless energy harvesting based cognitive DF relaying network,” Materials Today: Proceedings, vol. 4, no. 9, pp.10304–10308, 2017, doi: https://doi.org/10.1016/j.matpr.2017.06.369 .

Book chapters:

1.  Adduru U. G. Sankararao, Rajalakshmi P., Sunita Choudhary, Jana Kholova, Chris S Jones, "AI-enabled UAV borne Hyperspectral Imaging for Crop-Livestock Farm Management," in Smart Technologies for Sustainable Livestock Systems, CRC Press (Taylor & Francis Group), 2025.

Patents:

1. Adduru U.G. Sankararao, P. Rajalakshmi, "System and Method for Hyperspectral Imager Interface on UAV for Data Acquisition", Indian Patent No. 562278, Application No. 202141042862, Granted in March 2025

2. Adduru U.G. Sankararao, Sai Kiran K, P. Rajalakshmi, “An Automated Pipeline Device for Analysis and Inference of UAV-Based Hyperspectral Images of Crop Water Stress”, Indian patent filed, Application number: 202441064638, 27 Aug 2024.