Search Results - achuta+kadambi

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Securing Camera and Photography Systems From Deepfakes by Verifying Provenance and Reducing Attack Surfaces (Case No. 2024-270)

Summary: Researchers in the UCLA Department of Electrical and Computer Engineering have developed a multi-layer security framework to verify deepfake imagery data. Background: The exponential improvements in generative AI pose serious implication to the rise of synthetic media or “deepfakes”. Soon, deepfake images and videos will be...

Published: 9/27/2024 | Inventor(s): Alexander Vilesov, Achuta Kadambi, Yuan Tian, Nader Sehatbakhsh

Keywords(s): AI image security, Artificial Intelligence, artificial intelligence algorithms, Artificial Neural Network, Artificial Neural Network Artificial Neuron, artificial-intelligent materials, attack surface reduction, data security, Deep Learning, Deep learning-based sensing, deep physical neural network, deepfake, deepfake protection, deep-learning analysis algorithms, deep-learning fake (deepfake), generative artificial intelligence, image authenticity verification, image provenance, image signal processing, Medical artificial intelligence (AI), social media, third-party verification

Category(s): Software & Algorithms, Software & Algorithms > Artificial Intelligence & Machine Learning, Software & Algorithms > Image Processing, Software & Algorithms > Security & Privacy, Electrical, Electrical > Visual Computing, Electrical > Visual Computing > Video Processing

2022-284 Non-Contact Force Sensing

Summary: Researchers in the Department of Electrical and Computer Engineering at UCLA have developed a non-contact force sensor that relies on laser speckle imaging to precisely sense changing forces on the surface of a variety of materials. Background: Force sensing capabilities enable the ubiquity of a wide range of modern technologies, from touch...

Published: 9/26/2023 | Inventor(s): Yang Zhang, Achuta Kadambi, Siyou Pei, Pradyumna Chari, Xue Wang, Xiaoying Yang

Keywords(s): Atomic Force Microscopy, Electric Vehicle, Electrical, Force sensor, force-sensing, HCI (Human Computer Interaction), interaction modality, interactive sensing application, interactive system, laser speckle imaging, machine perception, non-contact, Piezoelectric Sensor, pressure sensitive, Sensor, Sensors, Sensory System, Ubiquitous force signals

Category(s): Electrical, Electrical > Signal Processing, Electrical > Sensors, Electrical > Displays, Software & Algorithms, Software & Algorithms > Image Processing

2022-231 Synthetic Generation of Face Videos with Plethysmograph Physiology

Summary: UCLA researchers in the Department of Electrical and Computer Engineering have developed a method to avoid expensive clinical trials by generating synthetic face videos. Background: Healthcare providers have increased their use of virtual diagnostic tools during the COVID-19 pandemic. These tools have allowed patients to undergo basic...

Published: 11/15/2024 | Inventor(s): Achuta Kadambi, Laleh Jalilian, Zhen Wang, Yunhao Ba, Pradyumna Chari, Oyku Bozkurt

Keywords(s): Artificial Intelligence, Blood Pressure, Cardiac Electrophysiology, Circulatory System, Clinical Trial, Heart Rate , Remote Sensing, Surgical Instrument Optical Coherence Tomography, Telemedicine

Category(s): Software & Algorithms > Digital Health, Electrical > Imaging, Software & Algorithms > Communication & Networking, Medical Devices, Medical Devices > Medical Imaging, Medical Devices > Monitoring And Recording Systems

2021-283 MMHEALTH: MULTIMODAL HEALTH SENSING PLATFORM

SUMMARY: UCLA researchers in the Department of Electrical and Computer Engineering have developed a system that can remotely evaluate patient symptoms and diagnose medical conditions. BACKGROUND: Ensuring that patients are accurately and efficiently diagnosed is of high clinical significance. Current methods require contact-based diagnostic tests...

Published: 11/15/2024 | Inventor(s): Achuta Kadambi, Laleh Jalilian, Omid Abari, Maxime Cannesson, Ashley Kita, Pradyumna Chari, Adnan Armouti

Keywords(s): Diagnostic Markers & Platforms, Diagnostic Test, Infectious Diseases, Machine Learning, Remote Sensing, Sensors

Category(s): Life Science Research Tools > Research Methods, Life Science Research Tools, Diagnostic Markers, Medical Devices

2020-456 Passive 3D Shape via Polarization-Aware Neural Networks

SUMMARYUCLA researchers in the Department of Electrical Engineering and Computer Science have developed an algorithm to take image data and generate accurate 3D shape representations using a deep neural network framework. The method uses data from polarization imaging to generate 3D models that are less sensitive to noise and that are five times more...

Published: 11/15/2024 | Inventor(s): Achuta Kadambi, Alex Gilbert, Franklin Wang, Yunhao Ba

Keywords(s):

Category(s): Software & Algorithms > Artificial Intelligence & Machine Learning, Materials > Fabrication Technologies, Mechanical > Robotics

2020-925 Methods and Apparatus for Extracting Vital Signs Using Smartphone Cameras

SUMMARYUCLA researchers in the Department of Electrical & Computer Engineering have developed a contactless apparatus to report broad vital sign measurements using face video acquisition and signal processing pipelines while ensuring patients’ privacy through visual encoding methods. BACKGROUNDPhotoplethysmography (PPG) is an inexpensive optical...

Published: 7/19/2023 | Inventor(s): Achuta Kadambi, Laleh Jalilian, Pradyumna Chari, Chinmay Talegaonkar, Doruk Karinca, Maxime Cannesson, Krish Kabra

Keywords(s):

Category(s): Software & Algorithms > Digital Health, Medical Devices > Medical Imaging, Medical Devices > Monitoring And Recording Systems, Optics & Photonics

2019-642 Real-time, Passive Non-Line-of-Sight Imaging with Thermal Camera by Exploiting Bidirectional Reflectance Distribution Function

SUMMARYUCLA researchers in the Department of Electrical and Computer Engineering have developed a Non-line-of-sight (NLOS) Imaging System using low cost thermal cameras that enables 3D recovery of NLOS heat source for imaging around corners.BACKGROUNDNon-line-of-sight (NLOS) imaging provides the ability to look around corners and has gained significant...

Published: 7/19/2023 | Inventor(s): Achuta Kadambi, Tomohiro Maeda, Ramesh Raskar, Yiqin Wang

Keywords(s):

Category(s): Software & Algorithms > Image Processing, Optics & Photonics