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Ramesh Raskar

Associate Professor of Media Arts and Sciences
Contact Information:
Groups
Project Research

Algorithms to Unlock The Internet of AI Agents

Networked Agents and Decentralized AI is an ambitious project developing the foundational infrastructure for a true "Internet of AI Agents.…
Project Research

Large Population Models

Think about how a delayed shipment, a cancelled flight, or a glitchy app can disrupt your week. Now scale that up: a virus like COVID-19 co…
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MIT Kumbhathon: A City-Stack Powered by Decentralized AI

​A City-Stack Powered by Decentralized AIOverviewMIT Kumbhathon, hosted at the MIT Media Lab, is pioneering a revolutionary approach t…
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Decentralized AI

As AI evolves beyond screen assistants and into dimensional applications, decentralization emerges as the critical factor for unlocking i…
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First 100 days of pandemic; an interplay of pharmaceutical, behavioral and digital interventions - A study using agent based modeling

The challenge of understanding pandemics, illustrated by the recent COVID-19 outbreak, has significantly impacted global health and economi…
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Objects as Cameras

Press: - MIT News:  Using reflections to see the world from new points of view- TechXplore, EuropaPress, La Nacion …
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Posthoc Privacy guarantees for neural network queries

Cloud based machine learning inference is an emerging paradigm where users query with their data to a service provider who runs a ML model …
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Task-Agnostic Data Valuation

Data is the main fuel of the modern world, enabling artificial intelligence and driving technological growth. The demand for data has grown…
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Computational Privacy for Computer Vision

Computer Vision applications are making a remarkable impact on society and advancing progress in Machine Learning. Our project aims to desi…
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What can we learn from predicting shadows?

By predicting sparse shadow cues, our physics-inspired machine learning algorithm can reconstruct the underlying 3D scene. Abstract. W…
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Private Machine Learning on Point Clouds

Point clouds are an increasingly ubiquitous input modality and the raw signal can be efficiently processed with recent progress in deep lea…
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Benchmarking Privacy in Machine Learning Prediction

We tackle the question of how to benchmark reconstruction of inputs from deep neural networks representations. This inverse problem is of g…
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Synthesizing data privately for Machine Learning

We propose sanitizer, a framework for secure and task-agnostic data release. While releasing datasets continues to make a big impact in var…
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PrivateMail: Supervised Manifold Learning of Deep Activations With Privacy

Differential Privacy offers strong guarantees such as immutable privacy under any post-processing. In this work, we propose a differentiall…
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DISCO: Dynamic and Invariant Sensitive Channel Obfuscation for deep neural networks

Recent deep learning models have shown remarkable performance in image classification. While these deep learning systems are getting closer…
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FedML: A Research Library and Benchmark for Federated Machine Learning

In this work, we introduce FedML, an open research library and benchmark that facilitates the development of new 'federated learning algori…
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Splintering with distributions: A stochastic decoy scheme for private computation

We present a stochastic scheme for splitting the client data into privatized shares that are transmitted to the server in such settings. Th…
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Assessing Disease Exposure Risk With Location Histories And Protecting Privacy

Governments and researchers around the world are implementing digital contact tracing solutions to stem the spread of infectious disease, n…
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Safe Paths

Papers from SafePaths: https://github.com/PrivateKit/PrivacyDocumentsSafe Paths is an MIT-led, free, open source technology that …
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Split Learning: Distributed and collaborative learning

Split Learning: Distributed deep learning without sharing raw data Project Page: https://splitlearning.github.io/Abstract: C…
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Time-folded optics

Rethinking photography optics in the time dimensionWhat if we could design optics in time instead of space?
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Through Wall/Table interaction using RF

3D interaction is a magical way for users to interact with a system without touching it. This is usually accomplished using a camera, but t…
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Grid-free super-resolution for audio imaging

Audio on a mobile device can be used to form low-resolution 3D images. The resolution of audio ranging and imaging is heavily limited by ba…
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Seeing Through Realistic Fog

Seeing through dense, dynamic, and heterogeneous fog conditions. The technique, based on visible light, uses hardware that is similar to LI…
Project Research

High-frequency LIDAR using beat notes

Time of Flight 3D cameras like the Microsoft Kinect are prevalent in computer vision and computer graphics. In such devices, the power of a…
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Calibration Invariant Imaging

Object Classification through Scattering Media with Deep LearningA method for classifying objects hidden behind a scattering layer wit…
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Efficient lensless imaging with a femto-pixel

Lensless imaging with compressive ultrafast sensingTraditional cameras require a lens and a mega-pixel sensor to capture images. The lens f…
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Nashik Smart Citizen Collaboration with TCS

We believe that tough global health problems require an innovation pipeline. We must bring together the people and providers facing health …
Project Research

Identi-Wheez: A device for in-home diagnosis of asthma

Asthma is the most common chronic illness among children. The skills required to diagnose it make it an even greater concern. Our solution …
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Hyderabad eye health collaboration with LVP

We believe that tough global health problems require an innovation pipeline. We must bring together the people and providers facing health …
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Health-tech innovations with Tata Trusts, Mumbai

We believe that tough global health problems require an innovation pipeline. We must bring together the people and providers facing health …
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Beyond the Self-Driving Car

This concept gallery shows the chain of startups and ideas that will follow after the emergence of self-driving cars.
Project Research

The Next 30 Years of VR

In this visual brainstorming, we present the next 30 years of VR in a set of concept designs.
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AnEye: Extending the reach of anterior segment ophthalmic imaging

Eye exams via a slit lamp are critical in early diagnosis of diseases such as cataracts, corneal injury, and pterygia, in order to avert vi…
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Imaging with All Photons

How to see through tissueWe demonstrate a new method to image through scattering materials like tissue and fog. The demonstration includes …
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Single-Photon Sensitive Ultrafast Imaging

The ability to record images with extreme temporal resolution enables a diverse range of applications, such as time-of-flight depth imaging…
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Blind and reference-free fluorescence lifetime estimation via consumer time-of-flight sensors

Fluorescence lifetime imaging is a significant bio-imaging tool that finds important applications in life-sciences. Widely known applicatio…
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Imaging Behind Diffusive Layers

Locating and classifying florescent tags behind turbid layers using time-resovled inversion Using time resolved and sparse optimizatio…
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Smartphone spectrometer for food sensing

A smartphone based spectrometer design that is standalone and supported on a wireless platform. The device is low-cost and the power consum…
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Towards In-Vivo Biopsy

A new method to detect and distinguish between different types of fluorescent materials. The suggested technique has provided a dramaticall…
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Time-of-Flight Microwave Camera

Our architecture takes a hybrid approach to microwaves and treats them like waves of light. Most other work places antennas in a 2D arrange…
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Skin Perfusion Photography

Skin and tissue perfusion measurements are important parameters for diagnosis of wounds and burns, and for monitoring plastic and reconstru…
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Unbounded high dynamic range photography using a modulo camera

We present a novel framework to extend the dynamic range of images called Unbounded High Dynamic Range (UHDR) photography with a modulo cam…
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Ultrasound Tomography

Traditional medical ultrasound assumes that we are imaging ideal liquids. We are interested in imaging muscle and bone as well as measuring…
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Inverse problems in time-of-flight imaging

We are exploring mathematical modeling of time-of-flight imaging problems and solutions.
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Optical Brush: Enabling deformable imaging interfaces

Our deformable camera exploits new, flexible form factors for imaging in turbid media. In this study we enable a brush-like form factor wit…
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New methods in time-of-flight imaging

Time-of-flight (ToF) cameras are commercialized consumer cameras that provide a depth map of a scene, with many applications in computer vi…
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Imaging through scattering media using femtophotography

We use time-resolved information in an iterative optimization algorithm to recover reflectance of a three-dimensional scene hidden behind a…
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Portable Retinal Imaging

The major challenge in preventing blindness is identifying patients and bringing them to specialty care. Diseases that affect the retina, t…
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Single Lens Off-Chip Cellphone Microscopy

Within the last few years, cellphone subscriptions have spread widely and now cover even the remotest parts of the planet. Adequate access …
Project Research

VisionBlocks

VisionBlocks is an on-demand, in-browser, customizable, computer-vision application-building platform for the masses. Even without any prio…
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Trillion Frames Per Second Camera

We have developed a camera system that captures movies at an effective rate of approximately one trillion frames per second. In one frame o…
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Reflectance acquisition using ultrafast imaging

We demonstrate a new technique that allows a camera to rapidly acquire reflectance properties of objects "in the wild" from a single viewpo…
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Second Skin: Motion capture with actuated feedback for motor learning

We have created a 3D motion-tracking system with automatic, real-time vibrotactile feedback and an assembly of photo-sensors, infrared proj…
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PhotoCloud: Personal to shared moments with angled graphs of pictures

We present a near-real-time system for interactively exploring a collectively captured moment without explicit 3D reconstruction. Our syste…
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LensChat: Sharing photos with strangers

With networked cameras in everyone's pockets, we are exploring the practical and creative possibilities of public imaging. LensChat allows …
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NETRA: Smartphone add-on for eye tests

Can a person look at a portable display, click on a few buttons, and recover his or her refractive condition? Our optometry solution combin…
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Theory unifying ray and wavefront lightfield propagation

This work focuses on bringing powerful concepts from wave optics to the creation of new algorithms and applications for computer vision and…
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Shield Field Imaging

We present a new method for scanning 3D objects through a single-shot, shadow-based method. We decouple 3D occluders from 4D illumination u…
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Coded Computational Photography

Computational photography is an emerging multi-disciplinary field at the intersection of optics, signal processing, computer graphics and v…
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Looking Around Corners

Using a femtosecond laser and a camera with a time resolution of about one trillion frames per second, we recover objects hidden out of sig…
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6D Display

Is it possible to create passive displays that respond to changes in viewpoint and incident light conditions? Holograms and 4D displays res…