Search Results for author: Sandeep Chinchali

Found 32 papers, 8 papers with code

A Challenge to Build Neuro-Symbolic Video Agents

1 code implementation20 May 2025 Sahil Shah, Harsh Goel, Sai Shankar Narasimhan, Minkyu Choi, S P Sharan, Oguzhan Akcin, Sandeep Chinchali

Modern video understanding systems excel at tasks such as scene classification, object detection, and short video retrieval.

Scene Classification Video Retrieval +1

We'll Fix it in Post: Improving Text-to-Video Generation with Neuro-Symbolic Feedback

no code implementations24 Apr 2025 Minkyu Choi, S P Sharan, Harsh Goel, Sahil Shah, Sandeep Chinchali

Current text-to-video (T2V) generation models are increasingly popular due to their ability to produce coherent videos from textual prompts.

Text-to-Video Generation Video Generation

Learning Human Perception Dynamics for Informative Robot Communication

no code implementations3 Feb 2025 Shenghui Chen, Ruihan Zhao, Sandeep Chinchali, Ufuk Topcu

We introduce CoNav-Maze, a simulated robotics environment where a robot navigates using local perception while a human operator provides guidance based on an inaccurate map.

Data Augmentation Instruction Following

SynDiff-AD: Improving Semantic Segmentation and End-to-End Autonomous Driving with Synthetic Data from Latent Diffusion Models

no code implementations25 Nov 2024 Harsh Goel, Sai Shankar Narasimhan, Oguzhan Akcin, Sandeep Chinchali

Additionally, we demonstrate that our SynDiff-AD pipeline enhances the driving performance of end-to-end autonomous driving models, like AIM-2D and AIM-BEV, by up to 20% across diverse environmental conditions in the CARLA autonomous driving simulator, providing a more robust model.

Autonomous Driving Data Augmentation +1

Any2Any: Incomplete Multimodal Retrieval with Conformal Prediction

no code implementations15 Nov 2024 Po-han Li, Yunhao Yang, Mohammad Omama, Sandeep Chinchali, Ufuk Topcu

Autonomous agents perceive and interpret their surroundings by integrating multimodal inputs, such as vision, audio, and LiDAR.

Conformal Prediction Imputation +2

Human-Agent Coordination in Games under Incomplete Information via Multi-Step Intent

no code implementations23 Oct 2024 Shenghui Chen, Ruihan Zhao, Sandeep Chinchali, Ufuk Topcu

To synthesize cooperative policies for the agent in this extended game, we propose an approach featuring a memory module for a running probabilistic belief of the environment dynamics and an online planning algorithm called IntentMCTS.

Reduce, Reuse, Recycle: Categories for Compositional Reinforcement Learning

no code implementations23 Aug 2024 Georgios Bakirtzis, Michail Savvas, Ruihan Zhao, Sandeep Chinchali, Ufuk Topcu

In reinforcement learning, conducting task composition by forming cohesive, executable sequences from multiple tasks remains challenging.

reinforcement-learning Reinforcement Learning

Robot-Enabled Machine Learning-Based Diagnosis of Gastric Cancer Polyps Using Partial Surface Tactile Imaging

no code implementations2 Aug 2024 Siddhartha Kapuria, Jeff Bonyun, Yash Kulkarni, Naruhiko Ikoma, Sandeep Chinchali, Farshid Alambeigi

In this paper, to collectively address the existing limitations on endoscopic diagnosis of Advanced Gastric Cancer (AGC) Tumors, for the first time, we propose (i) utilization and evaluation of our recently developed Vision-based Tactile Sensor (VTS), and (ii) a complementary Machine Learning (ML) algorithm for classifying tumors using their textural features.

Should we use model-free or model-based control? A case study of battery management systems

no code implementations22 Jul 2024 Mohamad Fares El Hajj Chehade, Young-ho Cho, Sandeep Chinchali, Hao Zhu

Reinforcement learning (RL) and model predictive control (MPC) each offer distinct advantages and limitations when applied to control problems in power and energy systems.

Management model +2

Towards Neuro-Symbolic Video Understanding

2 code implementations16 Mar 2024 Minkyu Choi, Harsh Goel, Mohammad Omama, Yunhao Yang, Sahil Shah, Sandeep Chinchali

The unprecedented surge in video data production in recent years necessitates efficient tools to extract meaningful frames from videos for downstream tasks.

Video Understanding

Time Weaver: A Conditional Time Series Generation Model

no code implementations5 Mar 2024 Sai Shankar Narasimhan, Shubhankar Agarwal, Oguzhan Akcin, Sujay Sanghavi, Sandeep Chinchali

Current approaches to time series generation often ignore this paired metadata, and its heterogeneity poses several practical challenges in adapting existing conditional generation approaches from the image, audio, and video domains to the time series domain.

model Specificity +2

Online Foundation Model Selection in Robotics

no code implementations13 Feb 2024 Po-han Li, Oyku Selin Toprak, Aditya Narayanan, Ufuk Topcu, Sandeep Chinchali

We thus formulate a user-centric online model selection problem and propose a novel solution that combines an open-source encoder to output context and an online learning algorithm that processes this context.

model Model Selection

Specification-Driven Video Search via Foundation Models and Formal Verification

no code implementations18 Sep 2023 Yunhao Yang, Jean-Raphaël Gaglione, Sandeep Chinchali, Ufuk Topcu

The increasing abundance of video data enables users to search for events of interest, e. g., emergency incidents.

Autonomous Driving

Data Games: A Game-Theoretic Approach to Swarm Robotic Data Collection

no code implementations7 Mar 2023 Oguzhan Akcin, Po-han Li, Shubhankar Agarwal, Sandeep Chinchali

Instead, we propose a cooperative data sampling strategy where geo-distributed AVs collaborate to collect a diverse ML training dataset in the cloud.

Autonomous Driving

Forecaster-aided User Association and Load Balancing in Multi-band Mobile Networks

no code implementations23 Jan 2023 Manan Gupta, Sandeep Chinchali, Paul Varkey, Jeffrey G. Andrews

Cellular networks are becoming increasingly heterogeneous with higher base station (BS) densities and ever more frequency bands, making BS selection and band assignment key decisions in terms of rate and coverage.

Model Predictive Control Reinforcement Learning (RL)

A Control Theoretic Approach to Infrastructure-Centric Blockchain Tokenomics

no code implementations23 Oct 2022 Oguzhan Akcin, Robert P. Streit, Benjamin Oommen, Sriram Vishwanath, Sandeep Chinchali

As such, the associated token rewards should gracefully scale with the size of the decentralized system, but should be carefully balanced with consumer demand to manage inflation and be designed to ultimately reach an equilibrium.

Online Poisoning Attacks Against Data-Driven Predictive Control

no code implementations19 Sep 2022 Yue Yu, Ruihan Zhao, Sandeep Chinchali, Ufuk Topcu

Data-driven predictive control (DPC) is a feedback control method for systems with unknown dynamics.

Joint Learning of Reward Machines and Policies in Environments with Partially Known Semantics

no code implementations20 Apr 2022 Christos Verginis, Cevahir Koprulu, Sandeep Chinchali, Ufuk Topcu

We develop a reinforcement-learning algorithm that infers a reward machine that encodes the underlying task while learning how to execute it, despite the uncertainties of the propositions' truth values.

Q-Learning reinforcement-learning +1

Task-Aware Network Coding Over Butterfly Network

no code implementations28 Jan 2022 Jiangnan Cheng, Sandeep Chinchali, Ao Tang

Classical network coding is largely task-agnostic -- the coding schemes mainly aim to faithfully reconstruct data at the receivers, regardless of what ultimate task the received data is used for.

ML-EXray: Visibility into ML Deployment on the Edge

no code implementations8 Nov 2021 Hang Qiu, Ioanna Vavelidou, Jian Li, Evgenya Pergament, Pete Warden, Sandeep Chinchali, Zain Asgar, Sachin Katti

The key challenge is that there is not much visibility into ML inference execution on edge devices, and very little awareness of potential issues during the edge deployment process.

Quantization

Task-aware Privacy Preservation for Multi-dimensional Data

1 code implementation5 Oct 2021 Jiangnan Cheng, Ao Tang, Sandeep Chinchali

Local differential privacy (LDP) can be adopted to anonymize richer user data attributes that will be input to sophisticated machine learning (ML) tasks.

Decoder

Data Sharing and Compression for Cooperative Networked Control

1 code implementation NeurIPS 2021 Jiangnan Cheng, Marco Pavone, Sachin Katti, Sandeep Chinchali, Ao Tang

Sharing forecasts of network timeseries data, such as cellular or electricity load patterns, can improve independent control applications ranging from traffic scheduling to power generation.

Scheduling

Sampling Training Data for Continual Learning Between Robots and the Cloud

no code implementations12 Dec 2020 Sandeep Chinchali, Evgenya Pergament, Manabu Nakanoya, Eyal Cidon, Edward Zhang, Dinesh Bharadia, Marco Pavone, Sachin Katti

Today's robotic fleets are increasingly measuring high-volume video and LIDAR sensory streams, which can be mined for valuable training data, such as rare scenes of road construction sites, to steadily improve robotic perception models.

Cloud Computing Continual Learning +2

Task-relevant Representation Learning for Networked Robotic Perception

no code implementations6 Nov 2020 Manabu Nakanoya, Sandeep Chinchali, Alexandros Anemogiannis, Akul Datta, Sachin Katti, Marco Pavone

However, today's representations for sensory data are mostly designed for human, not robotic, perception and thus often waste precious compute or wireless network resources to transmit unimportant parts of a scene that are unnecessary for a high-level robotic task.

Motion Planning Representation Learning

Network Offloading Policies for Cloud Robotics: a Learning-based Approach

no code implementations15 Feb 2019 Sandeep Chinchali, Apoorva Sharma, James Harrison, Amine Elhafsi, Daniel Kang, Evgenya Pergament, Eyal Cidon, Sachin Katti, Marco Pavone

In this paper, we formulate a novel Robot Offloading Problem --- how and when should robots offload sensing tasks, especially if they are uncertain, to improve accuracy while minimizing the cost of cloud communication?

Decision Making Deep Reinforcement Learning +3

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