Search Results for author: Baskar Ganapathysubramanian

Found 49 papers, 10 papers with code

Towards Large Reasoning Models for Agriculture

no code implementations25 May 2025 Hossein Zaremehrjerdi, Shreyan Ganguly, Ashlyn Rairdin, Elizabeth Tranel, Benjamin Feuer, Juan Ignacio Di Salvo, Srikanth Panthulugiri, Victoria Moser, Sarah Jones, Joscif G Raigne, Yanben Shen, Heidi M. Dornath, Aditya Balu, Adarsh Krishnamurthy, Asheesh K Singh, Arti Singh, Baskar Ganapathysubramanian, Chinmay Hegde, Soumik Sarkar

Using AgThoughts, we develop AgThinker, a suite of small reasoning models that can be run on consumer-grade GPUs, and show that our dataset can be effective in unlocking agricultural reasoning abilities in LLMs.

Decision Making

SC-NeRF: NeRF-based Point Cloud Reconstruction using a Stationary Camera for Agricultural Applications

no code implementations27 Mar 2025 Kibon Ku, Talukder Z Jubery, Elijah Rodriguez, Aditya Balu, Soumik Sarkar, Adarsh Krishnamurthy, Baskar Ganapathysubramanian

This paper presents a NeRF-based framework for point cloud (PCD) reconstruction, specifically designed for indoor high-throughput plant phenotyping facilities.

NeRF Plant Phenotyping +2

3D Neural Operator-Based Flow Surrogates around 3D geometries: Signed Distance Functions and Derivative Constraints

1 code implementation21 Mar 2025 Ali Rabeh, Adarsh Krishnamurthy, Baskar Ganapathysubramanian

Moreover, incorporating derivative constraints enhances gradient accuracy by 25% in interpolation tasks and up to 45% in extrapolatory test scenarios, suggesting significant improvement in generalization capabilities to unseen 3D Reynolds numbers.

MaizeField3D: A Curated 3D Point Cloud and Procedural Model Dataset of Field-Grown Maize from a Diversity Panel

1 code implementation10 Mar 2025 Elvis Kimara, Mozhgan Hadadi, Jackson Godbersen, Aditya Balu, Talukder Jubery, Yawei Li, Adarsh Krishnamurthy, Patrick S. Schnable, Baskar Ganapathysubramanian

Point clouds of 520 plants from this dataset were segmented and annotated using a graph-based segmentation method to isolate individual leaves and stalks, ensuring consistent labeling across all samples.

Diversity

Accessing the Effect of Phyllotaxy and Planting Density on Light Use Efficiency in Field-Grown Maize using 3D Reconstructions

no code implementations10 Mar 2025 Nasla Saleem, Talukder Zaki Jubery, Aditya Balu, Yan Zhou, Yawei Li, Patrick S. Schnable, Adarsh Krishnamurthy, Baskar Ganapathysubramanian

High-density planting is a widely adopted strategy to enhance maize productivity, yet it introduces challenges such as increased interplant competition and shading, which can limit light capture and overall yield potential.

MaizeEar-SAM: Zero-Shot Maize Ear Phenotyping

1 code implementation19 Feb 2025 Hossein Zaremehrjerdi, Lisa Coffey, Talukder Jubery, Huyu Liu, Jon Turkus, Kyle Linders, James C. Schnable, Patrick S. Schnable, Baskar Ganapathysubramanian

Our approach successfully identifies the number of kernels per row across a wide range of maize ears, showing the potential of zero-shot learning with foundation vision models combined with image processing techniques to improve automation and reduce subjectivity in agronomic data collection.

Zero-Shot Learning

Procedural Generation of 3D Maize Plant Architecture from LIDAR Data

no code implementations21 Jan 2025 Mozhgan Hadadi, Mehdi Saraeian, Jackson Godbersen, Talukder Jubery, Yawei Li, Lakshmi Attigala, Aditya Balu, Soumik Sarkar, Patrick S. Schnable, Adarsh Krishnamurthy, Baskar Ganapathysubramanian

Our framework leverages Non-Uniform Rational B-Spline (NURBS) surfaces to model the leaves of maize plants, combining Particle Swarm Optimization (PSO) for an initial approximation of the surface and a differentiable programming framework for precise refinement of the surface to fit the point cloud data.

3D Reconstruction

Geometry Matters: Benchmarking Scientific ML Approaches for Flow Prediction around Complex Geometries

no code implementations31 Dec 2024 Ali Rabeh, Ethan Herron, Aditya Balu, Soumik Sarkar, Chinmay Hegde, Adarsh Krishnamurthy, Baskar Ganapathysubramanian

Rapid and accurate simulations of fluid dynamics around complicated geometric bodies are critical in a variety of engineering and scientific applications, including aerodynamics and biomedical flows.

Benchmarking Out-of-Distribution Generalization

STITCH: Surface reconstrucTion using Implicit neural representations with Topology Constraints and persistent Homology

no code implementations24 Dec 2024 Anushrut Jignasu, Ethan Herron, Zhanhong Jiang, Soumik Sarkar, Chinmay Hegde, Baskar Ganapathysubramanian, Aditya Balu, Adarsh Krishnamurthy

We present STITCH, a novel approach for neural implicit surface reconstruction of a sparse and irregularly spaced point cloud while enforcing topological constraints (such as having a single connected component).

Surface Reconstruction Topological Data Analysis

Robust soybean seed yield estimation using high-throughput ground robot videos

no code implementations3 Dec 2024 Jiale Feng, Samuel W. Blair, Timilehin Ayanlade, Aditya Balu, Baskar Ganapathysubramanian, Arti Singh, Soumik Sarkar, Asheesh K Singh

These images are processed through the P2PNet-Yield model, a deep learning framework where we combined a Feature Extraction Module (the backbone of the P2PNet-Soy) and a Yield Regression Module to estimate seed yields of soybean plots.

Data Augmentation

Disentangling Genotype and Environment Specific Latent Features for Improved Trait Prediction using a Compositional Autoencoder

no code implementations25 Oct 2024 Anirudha Powadi, Talukder Zaki Jubery, Michael C. Tross, James C. Schnable, Baskar Ganapathysubramanian

To test this, we developed a compositional autoencoder (CAE) that decomposes high-dimensional data into distinct genotype-specific and environment-specific latent features.

Diversity regression

FlowBench: A Large Scale Benchmark for Flow Simulation over Complex Geometries

no code implementations26 Sep 2024 Ronak Tali, Ali Rabeh, Cheng-Hau Yang, Mehdi Shadkhah, Samundra Karki, Abhisek Upadhyaya, Suriya Dhakshinamoorthy, Marjan Saadati, Soumik Sarkar, Adarsh Krishnamurthy, Chinmay Hegde, Aditya Balu, Baskar Ganapathysubramanian

FlowBench contains over 10K data samples, with each sample the outcome of a fully resolved, direct numerical simulation using a well-validated simulator framework designed for modeling transport phenomena in complex geometries.

AgGym: An agricultural biotic stress simulation environment for ultra-precision management planning

1 code implementation1 Sep 2024 Mahsa Khosravi, Matthew Carroll, Kai Liang Tan, Liza Van der Laan, Joscif Raigne, Daren S. Mueller, Arti Singh, Aditya Balu, Baskar Ganapathysubramanian, Asheesh Kumar Singh, Soumik Sarkar

We further demonstrate that deep reinforcement learning (RL) policies can be trained using AgGym for designing ultra-precise biotic stress mitigation strategies with potential to increase yield recovery with less chemicals and lower cost.

Deep Reinforcement Learning Management +1

Class-specific Data Augmentation for Plant Stress Classification

1 code implementation18 Jun 2024 Nasla Saleem, Aditya Balu, Talukder Zaki Jubery, Arti Singh, Asheesh K. Singh, Soumik Sarkar, Baskar Ganapathysubramanian

This research represents an advancement in automated data augmentation strategies for plant stress classification, particularly in the context of confounding datasets.

Classification Data Augmentation

Multi-Sensor and Multi-temporal High-Throughput Phenotyping for Monitoring and Early Detection of Water-Limiting Stress in Soybean

no code implementations28 Feb 2024 Sarah E. Jones, Timilehin Ayanlade, Benjamin Fallen, Talukder Z. Jubery, Arti Singh, Baskar Ganapathysubramanian, Soumik Sarkar, Asheesh K. Singh

We investigated a set of diverse soybean accessions using multiple sensors in a time series high-throughput phenotyping manner to: (1) develop a pipeline for rapid classification of soybean drought stress symptoms, and (2) investigate methods for early detection of drought stress.

Time Series

Evaluating Neural Radiance Fields (NeRFs) for 3D Plant Geometry Reconstruction in Field Conditions

no code implementations15 Feb 2024 Muhammad Arbab Arshad, Talukder Jubery, James Afful, Anushrut Jignasu, Aditya Balu, Baskar Ganapathysubramanian, Soumik Sarkar, Adarsh Krishnamurthy

We evaluate different Neural Radiance Fields (NeRFs) techniques for the 3D reconstruction of plants in varied environments, from indoor settings to outdoor fields.

3D Reconstruction NeRF

Latent Diffusion Models for Structural Component Design

no code implementations20 Sep 2023 Ethan Herron, Jaydeep Rade, Anushrut Jignasu, Baskar Ganapathysubramanian, Aditya Balu, Soumik Sarkar, Adarsh Krishnamurthy

Specifically, we employ a Latent Diffusion model to generate potential designs of a component that can satisfy a set of problem-specific loading conditions.

Image Generation

Out-of-distribution detection algorithms for robust insect classification

no code implementations2 May 2023 Mojdeh Saadati, Aditya Balu, Shivani Chiranjeevi, Talukder Zaki Jubery, Asheesh K Singh, Soumik Sarkar, Arti Singh, Baskar Ganapathysubramanian

One of the primary emphasis of researchers is to implement identification and classification models in the real agriculture fields, which is challenging because input images that are wildly out of the distribution (e. g., images like vehicles, animals, humans, or a blurred image of an insect or insect class that is not yet trained on) can produce an incorrect insect classification.

Classification Out-of-Distribution Detection +1

Neural PDE Solvers for Irregular Domains

no code implementations7 Nov 2022 Biswajit Khara, Ethan Herron, Zhanhong Jiang, Aditya Balu, Chih-Hsuan Yang, Kumar Saurabh, Anushrut Jignasu, Soumik Sarkar, Chinmay Hegde, Adarsh Krishnamurthy, Baskar Ganapathysubramanian

Neural network-based approaches for solving partial differential equations (PDEs) have recently received special attention.

Stochastic Conservative Contextual Linear Bandits

no code implementations29 Mar 2022 Jiabin Lin, Xian Yeow Lee, Talukder Jubery, Shana Moothedath, Soumik Sarkar, Baskar Ganapathysubramanian

In this paper, we formulate a conservative stochastic contextual bandit formulation for real-time decision making when an adversary chooses a distribution on the set of possible contexts and the learner is subject to certain safety/performance constraints.

Decision Making Decision Making Under Uncertainty

Differentiable Spline Approximations

no code implementations NeurIPS 2021 Minsu Cho, Aditya Balu, Ameya Joshi, Anjana Deva Prasad, Biswajit Khara, Soumik Sarkar, Baskar Ganapathysubramanian, Adarsh Krishnamurthy, Chinmay Hegde

Overall, we show that leveraging this redesigned Jacobian in the form of a differentiable "layer" in predictive models leads to improved performance in diverse applications such as image segmentation, 3D point cloud reconstruction, and finite element analysis.

3D Point Cloud Reconstruction BIG-bench Machine Learning +4

NeuFENet: Neural Finite Element Solutions with Theoretical Bounds for Parametric PDEs

no code implementations4 Oct 2021 Biswajit Khara, Aditya Balu, Ameya Joshi, Soumik Sarkar, Chinmay Hegde, Adarsh Krishnamurthy, Baskar Ganapathysubramanian

We consider a mesh-based approach for training a neural network to produce field predictions of solutions to parametric partial differential equations (PDEs).

Distributed Deep Learning for Persistent Monitoring of agricultural Fields

no code implementations NeurIPS Workshop AI4Scien 2021 Yasaman Esfandiari, Koushik Nagasubramanian, Fateme Fotouhi, Patrick S. Schnable, Baskar Ganapathysubramanian, Soumik Sarkar

This continuous increase in the amount of data collected has created both the opportunity for, as well as the need to deploy distributed deep learning algorithms for a wide variety of decision support tasks in agriculture.

Anomaly Detection Deep Learning +3

Deep Generative Models that Solve PDEs: Distributed Computing for Training Large Data-Free Models

no code implementations24 Jul 2020 Sergio Botelho, Ameya Joshi, Biswajit Khara, Soumik Sarkar, Chinmay Hegde, Santi Adavani, Baskar Ganapathysubramanian

Here we report on a software framework for data parallel distributed deep learning that resolves the twin challenges of training these large SciML models - training in reasonable time as well as distributing the storage requirements.

Decoder Distributed Computing

Usefulness of interpretability methods to explain deep learning based plant stress phenotyping

no code implementations11 Jul 2020 Koushik Nagasubramanian, Asheesh K. Singh, Arti Singh, Soumik Sarkar, Baskar Ganapathysubramanian

For some images, the output of the interpretability methods indicated that spurious feature correlations may have been used to correctly classify them.

Classification General Classification

Crop Yield Prediction Integrating Genotype and Weather Variables Using Deep Learning

no code implementations24 Jun 2020 Johnathon Shook, Tryambak Gangopadhyay, Linjiang Wu, Baskar Ganapathysubramanian, Soumik Sarkar, Asheesh K. Singh

Accurate prediction of crop yield supported by scientific and domain-relevant insights, can help improve agricultural breeding, provide monitoring across diverse climatic conditions and thereby protect against climatic challenges to crop production including erratic rainfall and temperature variations.

Crop Yield Prediction Explainable Models +1

How useful is Active Learning for Image-based Plant Phenotyping?

1 code implementation7 Jun 2020 Koushik Nagasubramanian, Talukder Z. Jubery, Fateme Fotouhi Ardakani, Seyed Vahid Mirnezami, Asheesh K. Singh, Arti Singh, Soumik Sarkar, Baskar Ganapathysubramanian

To overcome this challenge, active learning algorithms have been proposed that reduce the amount of labeling needed by deep learning models to achieve good predictive performance.

Active Learning Deep Learning +2

Encoding Invariances in Deep Generative Models

no code implementations4 Jun 2019 Viraj Shah, Ameya Joshi, Sambuddha Ghosal, Balaji Pokuri, Soumik Sarkar, Baskar Ganapathysubramanian, Chinmay Hegde

Reliable training of generative adversarial networks (GANs) typically require massive datasets in order to model complicated distributions.

Flow Shape Design for Microfluidic Devices Using Deep Reinforcement Learning

no code implementations29 Nov 2018 Xian Yeow Lee, Aditya Balu, Daniel Stoecklein, Baskar Ganapathysubramanian, Soumik Sarkar

A particularly popular form of microfluidics -- called inertial microfluidic flow sculpting -- involves placing a sequence of pillars to controllably deform an initial flow field into a desired one.

Deep Reinforcement Learning reinforcement-learning +1

Physics-aware Deep Generative Models for Creating Synthetic Microstructures

no code implementations21 Nov 2018 Rahul Singh, Viraj Shah, Balaji Pokuri, Soumik Sarkar, Baskar Ganapathysubramanian, Chinmay Hegde

The first model is a WGAN model that uses a finite number of training images to synthesize new microstructures that weakly satisfy the physical invariances respected by the original data.

Stochastic Optimization

PARyOpt: A software for Parallel Asynchronous Remote Bayesian Optimization

no code implementations12 Sep 2018 Balaji Sesha Sarath Pokuri, Alec Lofquist, Chad M Risko, Baskar Ganapathysubramanian

Additionally, we show how the software design of the framework allows easy extension to response surface reconstruction (Kriging), providing a high performance software for autonomous exploration.

Bayesian Optimization Distributed Computing +1

Interpretable Deep Learning applied to Plant Stress Phenotyping

no code implementations24 Oct 2017 Sambuddha Ghosal, David Blystone, Asheesh K. Singh, Baskar Ganapathysubramanian, Arti Singh, Soumik Sarkar

Availability of an explainable deep learning model that can be applied to practical real world scenarios and in turn, can consistently, rapidly and accurately identify specific and minute traits in applicable fields of biological sciences, is scarce.

Deep Learning General Classification +1

A Bayesian Network approach to County-Level Corn Yield Prediction using historical data and expert knowledge

no code implementations17 Aug 2016 Vikas Chawla, Hsiang Sing Naik, Adedotun Akintayo, Dermot Hayes, Patrick Schnable, Baskar Ganapathysubramanian, Soumik Sarkar

In this paper, we propose a data-driven approach that is "gray box" i. e. that seamlessly utilizes expert knowledge in constructing a statistical network model for corn yield forecasting.

Management

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