Computer Science (Departments) - Columbia Technology Ventures

Departments

Computer Science

Hardware architecture for implantable brain-computer interface system-on-chip

CU25171

Implantable brain-chip architecture executes ML models on-device, enabling real-time neural processing, reducing data transmission and overhead.

Tags

Artificial intelligence

Assistive technology

Brain–computer interface

Inventors

Guy Eichler

Luca Carloni

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2026-01-16

Encryption method for secure storage and analysis of patient data on the cloud

CU24094

A cloud-friendly, privacy-preserving genomic analysis method using homomorphic encryption to enable multi-user queries on encrypted patient data.

Tags

Ciphertext

Cloud computing

Data management

Inventors

Gamze Gursoy

Jacob Blindenbach

Jiayi Kang

Manager

Joan Martinez

Departments

Computer Science

Biomedical Informatics

Divisions

Columbia University Medical Center (CUMC)

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2026-02-03

Configurable Kalman filtering for brain-computer interfaces

CU25167

Configurable, energy-efficient Kalman filtering enables real-time, low-power neural decoding for embedded brain-computer interfaces.

Tags

Algorithm

Data communication

Electrode

Inventors

Guy Eichler

Joseph Zuckerman

Luca Carloni

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2026-01-16

Computer vision enabled immersive audio for blind and low-vision sports fans

CU23071

Sensor-free, 3D spatialized audio over real-time tennis video via computer vision, aiding blind/low-vision fans.

Tags

Badminton

Computer vision

Tennis

Inventors

Basel Hindi

Brian Anthony Smith

Connor Courtien

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2023-01-17

Adaptive machine learning platform for image-based rapid diagnostic test interpretation

CU21034

Adaptive AI interprets diverse rapid tests from images with self-supervised pretraining, smartphone-ready and scalable.

Tags

Artificial neural network

Machine learning

Quality control

Inventors

David Colburn

Guangxing Han

Jiawei Ma

Manager

Dovina Qu

Departments

Computer Science

Biomedical Engineering

Electrical Engineering

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2026-02-14

Attention-based framework for cell-cell communication analysis

CU26099

Dynamic, attention-based AMICI framework reveals time-varying cell-cell interactions and signaling nodes in tissue contexts.

Tags

Attention (machine learning)

Cell signaling

Developmental biology

Inventors

Elham Azizi

Justin Hong

Khushi Desai

Manager

Joan Martinez

Departments

Computer Science

Biomedical Engineering

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2025-12-04

Secure cloud computing architectures using Realm containers

CU24216

Realm containers on Arm Confidential Compute Architecture deliver secure, OS-independent VMs with better performance and lower costs.

Tags

Artificial intelligence

Cloud computing

Computer security

Inventors

Brett Jia

Fanqi Yu

Jason Nieh

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2025-02-20

PhysioLabXR: Physiological data processing software for real-time, multimodal experiments

CU24335

Real-time, open-source Python platform for multimodal physiological data fusion, visualization, and XR-enabled neuroscience experiments.

Tags

Browser extension

Cross-platform software

Electrophysiology

Inventors

Haowen 'John' Wei

Paul Sajda

Steven Feiner

Manager

Dovina Qu

Departments

Computer Science

Biomedical Engineering

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2024-11-08

Methods for verifying image authenticity

CU24390

A tamper-evident image authentication method using unique signatures and blockchain-backed storage with universal verification.

Tags

Artificial intelligence

Blockchain

Digital image

Inventors

Mohit Gupta

Suman Jana

Vishal Misra

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2024-07-18

Automated verification for system software

CU23360

Spoq automates scalable, machine-checked verification of unmodified system software in Coq, reducing proof effort by ~70%.

Tags

Computer security

Coq

System software

Inventors

Jason Nieh

Ronghui Gu

Wei Qiang

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2024-04-08

Unified networking system and device for heterogeneous mobile environments

CU13012

Unified, multi-interface networking device/method enabling seamless handovers, security, and session mobility across heterogeneous mobile networks.

Tags

Authentication

Cloud computing

Mobile telephony

Inventors

Amandeep Singh

Gaston Ormazabal

Henning Schulzrinne

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2020-06-20

Predictive Application Failures in Software Code Errors

M04-065

Self-healing, self-immunizing software via virtualized code segments to predict, isolate, and automatically fix errors.

Tags

Fault tolerance

High availability

Inventors

Angelos D. Keromytis

Michael Locasto

Stelios AKA Stylianos SidiroglouKEEP

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2010-11-29

Realms: An on-chip solution for data protection through secure environments

CU22325

Realms: on-chip confidential computing enables private data in protected execution environments, shielding from untrusted system software.

Tags

Cloud computing

Data security

Firmware

Inventors

Christoffer Dall PhD

Gareth Stockwell

Jason Nieh

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2023-05-02

MUSE: A More Efficient Error Correcting Software

CU21290

MUSE delivers resource-efficient error correction with simple math, enabling high accuracy, low overhead data storage and transmission.

Tags

Algorithm

Aliasing

Data security

Inventors

Evgeny Manzhosov

Lakshminarasimhan Sethumadhavan

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2022-06-19

Improving N-variant systems using phantom address spaces

CU19308

Phantom address spaces cut N-variant system overhead, enabling efficient anomaly detection and stronger ROP defense.

Tags

Cloud computing

Computer network

Encryption

Inventors

Evgeny Manzhosov

Lakshminarasimhan Sethumadhavan

Miguel A. Arroyo

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2020-11-02

Data Programming: Rule-based programming with persistent in-memory tabular structures

M06-072

Declarative rule-based data programming uses persistent in-memory tabular structures for flexible, interactive graphical rule systems.

Tags

Augmented reality

In-memory database

Logic programming

Inventors

Blaine Bell

Steven Feiner

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2018-11-12

Smart signaling of data through IP tunneling paths

Proxy13

Non-header signaling over IP tunnels enables QoS prioritization, reducing overhead and improving end-to-end session management.

Tags

Computer science

Connected space

Internet

Inventors

Henning Schulzrinne

Jongho Bang Ph.D.

Qi Charles Shen

Manager

Greg Maskel

Departments

Computer Science

Electrical Engineering

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2018-10-20

Hybrid hardware-software method to enhance computer memory safety

CU18053

Concise hardware-software framework enables byte-level memory safety with ~1.02x–1.16x overhead, low hardware impact.

Tags

Blacklisting

Computer security

Debugging

Inventors

Kanad Sinha

Lakshminarasimhan Sethumadhavan

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2018-05-21

Permission-Based Sending (PBS) protocol for communication network security and traffic control

M09-001

PBS enables permission-based sending to throttle traffic, prevent DoS, and enhance security with distributed, scalable on-path signaling.

Tags

Authentication

Credit card

DNS root zone

Inventors

Henning Schulzrinne

Se Gi Hong

Manager

Greg Maskel

Departments

Computer Science

Electrical Engineering

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2014-05-22

LCD and DLP projector digital image-correction system for universal projection onto planar and non-planar surfaces

M08-085

A universal LCD/DLP projection correction system that digitally focuses images on any surface, planar or non-planar.

Tags

Algorithm

Compact space

Rear projection effect

Inventors

Li Zhang

Shree Kumar Nayar

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2010-05-28

Computer-Aided Interactive Design of Garments Using 2D Patterns and 3D Models

M11-040

Interactive 2D pattern editing and real-time 3D garment simulation predict fabric behavior, speeding design and reducing costs.

Tags

3D modeling

Computer

Medical device

Inventors

Daniel Kaufman

Eitan Grinspun

Nobuyuki Umetani

Manager

Dovina Qu

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2025-04-23

Trainable template search algorithm for efficient signal processing

CU24045

Trainable, low-dimensional template optimization rapidly detects signals in noisy, high-dimensional data with scalable, unrolled optimization.

Tags

Algorithm

Computer vision

Gradient descent

Inventors

Jingkai Yan

John N. Wright

Shiyu Wang

Manager

Greg Maskel

Departments

Computer Science

Electrical Engineering

Physics

Divisions

Faculty of the Arts & Sciences

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2024-08-23

Opal: AI image generation from text prompts for enhanced news illustration

CU23311

Opal: an accessible AI text-to-image platform for journalism, generating article-specific news illustrations from prompts.

Tags

Artificial intelligence

Glossary of computer graphics

Inventors

Han Qiao

Lydia Chilton

Vivian Liu

Manager

Dovina Qu

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2023-08-04

Real-time video chat application performance measurement tool

M09-086

Real-time video chat performance tool (vDelay) measures capture-to-display latency and frame-rate without app modification.

Tags

Frame rate

Java virtual machine

Operating system

Inventors

Andrea Giuseppe Forte

Henning Schulzrinne

Omer Boyaci

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2009-11-02

Fingerprint biometric analytical tool for intra-person identification

CU23306

New fingerprint analysis uses deep learning to match intra-person fingerprints from different fingers, enabling score-based same-person identification.

Tags

Authentication

Biometrics

Fingerprint

Inventors

Aniv Ray

Gabriel Guo

Hod Lipson

Manager

Dovina Qu

Departments

Computer Science

Mechanical Engineering

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2023-12-01

Method for energy-efficient and faster mobile device performance

CU13282

Directly compiles bytecode to native code for mobile apps, boosting speed and cutting battery use by 12-43% in tests.

Tags

Bytecode

Cloud computing

Machine code

Inventors

Junfeng Yang

Younghoon Jeon

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2021-02-11

Microverification security of modern computing systems with relaxed memory behavior

CU21004

A multi-model microverification approach secures relaxed-memory systems, enabling scalable verification across cores and services.

Tags

Instruction set architecture

Memory protection

Microprocessor

Inventors

Jason Nieh

Ronghui Gu

Shih-Wei Li

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2020-07-06

Prompt generation training for large language models

CU23217

Optimizes LLM training data via cosine-similarity-based relevance weighting to boost accuracy, addressing data imbalance.

Tags

Bayesian inference

Biology

Machine learning

Inventors

Vishal Misra

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2024-04-08

Wearable exploration assistant for vison-impaired people to navigate new environments

CU23072

Wearable LiDAR/vision device guides vision-impaired users through unfamiliar indoor/outdoor spaces with customizable audio or speech feedback.

Tags

Computer vision

Lidar

Visual impairment

Inventors

Brian Anthony Smith

Dong Heon Cho

Gaurav Jain

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2023-01-17

Detecting Targeted Attacks Using Shadow Honeypots in network security

M05-069

Shadow honeypots hybridize anomaly detection and honeypots to catch zero-day targeted attacks with reduced false positives.

Tags

False positives and false negatives

Web browser

Web server

Inventors

Angelos D. Keromytis

Kostas G. Anagnostakis

Stylianos Sidiroglou

Manager

Greg Maskel

Departments

Computer Science

CIS

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2011-04-18

Quantum-based channel assignments for secure wireless communications

CU24072

Entangled-qubit channel assignment secures wireless spectrum, detects tampering, and protects base-station privacy.

Tags

Base station

Computer security

Quantum computing

Inventors

Dan Rubenstein

Henry Yuen

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2024-08-23

Microprocessor Security Threats Disabled with Hardware Backdoor Detection

M11-028

Hardware backdoors in microprocessors halted at run-time via remote resets and simple cryptography; enables secure, remediated devices.

Tags

Cryptography

Integrated circuit

Intellectual property

Inventors

Adam Waksman

Lakshminarasimhan Sethumadhavan

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2011-07-08

Multipath network for preventing sophisticated Denial-of-Service cyber attacks

M06-015

A randomized multipath overlay network thwarts sophisticated DoS attacks, preserving connectivity even under heavy zombie-host and node failures.

Tags

Denial-of-service attack

End-to-end principle

Multipath propagation

Inventors

Angelos D. Keromytis

Angelos Stavrou

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2009-04-14

Diffusion-coded photography for extended depth of field

M10-058

Diffusion-coded photography extends depth of field without sacrificing aperture, using a custom diffuser for depth-invariant imaging.

Tags

Automation

Barcode

Focal-plane shutter

Inventors

Changyin Zhou

Oliver Cossairt

Shree Kumar Nayar

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2017-09-26

SIP-based call handoff technique between networks

M08-094

Seamless VoIP call handoff between cellular and IP networks, enabling automatic, interruption-free transitions without user action.

Tags

Cellular network

Handover

IEEE 802.11

Inventors

Andrea Giuseppe Forte

Arpit Mehta

Henning Schulzrinne

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2008-05-28

Instruction-set randomization enhances computer security by enabling system diversity at the lowest hardware/software interface

CU13367

Hardware-based instruction-set randomization diversifies systems with near-zero overhead, boosting security against code injection and attacks.

Tags

Encryption

Field-programmable gate array

Instruction set architecture

Inventors

Angelos D. Keromytis

Kanad Sinha

Lakshminarasimhan Sethumadhavan

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2015-05-14

Light-based signature platform for deepfake prevention

CU26073

VeriLight embeds imperceptible light-based signatures in live video to verify authenticity and resist deepfake manipulation.

Tags

Artificial intelligence

Deepfake

Digital watermarking

Inventors

Hadleigh Eden Silver Schwartz

Xia Zhou

Xiaofeng Yan

Manager

Dovina Qu

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2025-11-20

Exploration assistant tool for visually impaired users in virtual environments

CU23083

Exploration Assistant creates a 2D grid of virtual spaces to guide blind users, enabling independent, explored-areas awareness in VR.

Tags

Virtual reality

Inventors

Brian Anthony Smith

Hanxiu (Hazel) Zhu

Jizhong (Logan) Wang

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2023-01-17

Diffuse lighting system for machine vision applications

CU12056

Diffuse structured light converts standard patterns into diffuse illumination, reducing shadows and specularities for improved machine vision.

Tags

Depth perception

Digital image processing

Dynamic range

Inventors

Shree Kumar Nayar

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2017-09-21

De-Blurring Motion Blurred Images

M02-084

Dual-sensor de-blurring system reconstructs sharp images from motion blur; includes interactive, low-cost offline software.

Tags

Graphics software

Point spread function

Inventors

Moshe Ben-ezra

Shree Kumar Nayar

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2002-06-17

Coded rolling shutter for flexible space-time sampling

M10-039

Coded rolling shutter enables flexible space-time sampling in CMOS sensors, reducing motion blur and skew for HDR, high-speed imaging.

Tags

Camera lens

Charge-coupled device

Computer vision

Inventors

Jinwei Gu

Shree Kumar Nayar

Tomoo Mitsunaga

Manager

Greg Maskel

Departments

Computer Science

Image Sensing Technology

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Technology Development Group

Release Date

2014-08-25

A code-generating model to output accurate results for complex visual input tasks

CU23274

Code-generated, interpretable vision-and-language framework creates custom Python programs for complex image/video reasoning.

Tags

Computer vision

E-commerce

Inventors

Carl Vondrick

Didac Suris

Sachit Menon

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2023-05-19

Brain-deep AI interface for user-responsive reinforcement learning

CU16192

Brain-computer interface enhances deep RL by using neurophysiological signals to tailor AI responses to users.

Tags

Artificial intelligence

Augmented reality

Brain–computer interface

Inventors

Paul Sajda

Sameer Saproo

Sonakshi Bose Roy

Manager

Dovina Qu

Departments

Computer Science

Biomedical Engineering

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2019-03-25

Software architecture for optimal use of heterogeneous mobile communication environments

CU13006

Unified, policy-driven network stack enabling seamless, secure switching and simultaneous use of heterogeneous mobile networks.

Tags

Authentication

Linux kernel

Protocol stack

Inventors

Amandeep Singh

Gaston Ormazabal

Henning Schulzrinne

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2014-11-03

Automated clone detection algorithm for characterizing programs

CU15182

DyCLINK dynamically detects exact and near-match code clones using instruction graphs, accelerating search, refactoring, and plagiarism detection.

Tags

Algorithm

Code refactoring

Control flow

Inventors

Fang-Hsiang Su

Gail Kaiser

Lakshminarasimhan Sethumadhavan

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2016-03-11

Arabic Language Disambiguation for Natural Language Processing Applications

CU14012

MADAMIRA: an Arabic NLP toolkit delivering tokenization, diacritization, POS tagging, lemmatization, disambiguation, NER, and more.

Tags

Computational linguistics

Formal language

Headword

Inventors

Mona T. Diab

Nizar Habash

Owen Rambow

Manager

Dovina Qu

Departments

Computer Science

Center for Computational Learning Systems (CCLS)

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2013-08-22

Return-oriented programming payload detection using speculative code execution

CU12079

Speculative execution detects Return-oriented programming payloads by tracing unique gadget sequences, reducing false positives in ROP attacks.

Tags

Byte

Computer memory

Computer virus

Inventors

Angelos D. Keromytis

Michalis Polychronakis

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2015-12-18

Software attack protection and recovery via transactional application self-healing

M07-035

Self-healing software protection appends dynamic repair policies to running code, prevents crashes after attacks, no source changes needed.

Tags

High availability

Interrupt

Source code

Inventors

Angelos D. Keromytis

Michael Locasto

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Network Security Lab

Release Date

2012-04-26

Synchronized fMRI-EEG-TMS system for improved neuromodulatory therapy

CU21237

Real-time, closed-loop fMRI-EEG-TMS that phase-locks rTMS to individual alpha rhythms for personalized neuromodulation.

Tags

Alpha wave

Antidepressant

Bipolar disorder

Inventors

Aidan Blankenship

Golbarg T. Saber

James McIntosh

Manager

Dovina Qu

Departments

Computer Science

Biomedical Engineering

Center for Healthy Minds, Letters and Sciences

Divisions

Columbia University Medical Center (CUMC)

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2021-03-10

Collections

CNS/Neurology

Image-capture system for extraction of visually encoded information

CU14328

Invisible-light data transmission via modulated displays decoded by rolling-shutter cameras; embeds URLs and info without altering aesthetics.

Tags

Aesthetics

Data transmission

Glossary of computer graphics

Inventors

Kensei Jo

Mohit Gupta

Shree Kumar Nayar

Manager

Greg Maskel

Departments

Computer Science

Divisions

Fu Foundation School of Engineering and Applied Science (SEAS)

Release Date

2015-02-03