LexDanaLexDanabeta
Inventor

Ramesh Raskar

Inventor
Cambridge, MA, US

Overview

120→
Patents
2003–2021
Patent span
Physics
Primary field (CPC G)

Patents· 120 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary
H04NPictorial communication, e.g. television21%
G06TImage data processing or generation, in general17%
G02BOptical elements, systems or apparatus7%
G06VImage or video recognition or understanding7%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
G06FElectric digital data processing6%
G01SRadio direction-finding5%
G06KGraphical data reading5%
A61BDiagnosis4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
PatentTitleYear
11,061,977Broadcasting system with integrated social networking202111,016,309Methods and apparatus for high resolution imaging with reflectors at staggered depths beneath sample202110,918,272Methods and apparatus for imaging and 3D shape reconstruction202110,845,874Vergence determination202010,802,583Methods and apparatus for retinal retroreflection imaging202010,796,190Methods and apparatus for imaging of layers202010,752,158Methods and apparatus for imaging through fog202010,755,172Secure training of multi-party deep neural network202010,743,234Proximity-based messaging protocol202010,742,585Haptic message delivery202010,728,100Determining mesh networks based on determined contexts202010,685,078Content provision based on geographic proximity202010,685,592Near-eye display assembly with adjustable resolution and frame rate202010,651,865Methods and apparatus for modulo sampling and recovery202010,627,901Vergence determination202010,561,309Methods and apparatus for imaging and 3D shape reconstruction202010,557,705Methods and apparatus for enhancing depth maps with polarization cues202010,527,562Methods and apparatus for X-ray imaging from temporal measurements202010,529,059Vision correcting display with aberration compensation using inverse blurring and a light field display202010,497,295Near-eye display assembly with adjustable resolution and frame rate201910,386,650Methods and apparatus for high resolution imaging with reflectors at staggered depths beneath sample201910,337,993Methods and apparatus for fluorescence lifetime imaging with periodically modulated light201910,335,027Methods and apparatus for assessment of refractive condition201910,330,610Methods and apparatus for imaging of near-field objects with microwave or terahertz radiation201910,260,866Methods and apparatus for enhancing depth maps with polarization cues201910,248,194Methods and apparatus for retinal retroreflection imaging201910,191,154Methods and apparatus for time-of-flight imaging201910,190,983Methods and apparatus for fluorescence lifetime imaging with pulsed light201910,149,136Proximity-based trust201810,105,049Methods and apparatus for anterior segment ocular imaging201810,003,725Methods and apparatus for optical fiber imaging20189,897,699'Methods and apparatus for virtual sensor array'20189,894,254'Methods and apparatus for optical fiber imaging'20189,844,323Methods and apparatus for eye relaxation20179,778,363'Methods and apparatus for coded time-of-flight camera'20179,662,014'Methods and apparatus for visual cues for eye alignment'20179,549,129'Method and apparatus for obtaining image'20179,482,622'Methods and apparatus for surface classification'20169,451,141'Methods and apparatus for demultiplexing illumination'20169,448,060'Methods and apparatus for imaging of occluded objects'20169,451,177'Methods and apparatus for high speed camera'20169,405,008'Methods and apparatus for multi-frequency camera'20169,405,124'Methods and apparatus for light field projection'20169,400,937'Method and apparatus for segmentation of foreground objects in images and processing thereof'20169,380,221'Methods and apparatus for light field photography'20169,343,020'Methods and apparatus for visual display'20169,335,553'Content-adaptive parallax barriers for automultiscopic display'20169,295,388'Methods and apparatus for retinal imaging'20169,274,047'Methods and apparatus for imaging of occluded objects'20169,240,839'Transmitting data to a rolling shutter sensor array via a light emitter array'20169,148,649'Methods and apparatus for imaging of occluded objects from scattered light'20159,146,317'Methods and apparatus for estimation of motion and size of non-line-of-sight objects'20159,146,403'Content-adaptive parallax barriers for automultiscopic display'20159,143,678'Apparatus and method for processing light field data using a mask with an attenuation pattern'20159,131,159'Optical field communication'20159,106,841'Methods and apparatus for high speed camera'20159,100,562'Methods and apparatus for coordinated lens and sensor motion'20159,081,262'Methods and apparatus for ultra-fast camera'20159,060,718'Methods and apparatus for retinal imaging'20158,848,006'Tensor displays'20148,783,871'Near eye tool for refractive assessment'20148,749,619'Methods and apparatus for transient light imaging'20148,746,885'Methods and apparatus for cataract detection and measurement'20148,654,234'Bi-directional screen'20148,651,678'Polarization fields for dynamic light field display'20148,593,643'Methods and apparatus for direct-global separation of light using angular filtering'20138,493,432'Digital refocusing for wide-angle images using axial-cone cameras'20138,472,698'System and method for determining poses of objects'20138,437,537'Method and system for estimating 3D pose of specular objects'20138,366,003'Methods and apparatus for bokeh codes'20138,229,244'Multi-image deblurring'20128,223,259'Increasing temporal resolution of signals'20128,009,192'System and method for sensing geometric and photometric attributes of a scene with multiplexed illumination and solid states optical devices'20117,983,487'Method and system for locating and picking objects using active illumination'20117,965,936'4D light field cameras'20117,957,007'Apparatus and method for illuminating a scene with multiplexed illumination for motion capture'20117,792,423'4D light field cameras'20107,780,364'Apparatus and method for reducing glare in images'20107,756,407'Method and apparatus for deblurring images'20107,738,725'Stylized rendering using a multi-flash camera'20107,639,289'Increasing object resolutions from a motion-blurred image'20097,580,620'Method for deblurring images using optimized temporal coding patterns'20097,574,069'Retargeting images for small displays'20097,454,136'Method and apparatus for acquiring HDR flash images'20087,443,443'Method and apparatus for enhancing flash and ambient images'20087,421,111'Light pen system for pixel-based displays'20087,403,707'Method for estimating camera settings adaptively'20087,359,562'Enhancing low quality videos of illuminated scenes'20087,295,720'Non-photorealistic camera'20077,292,269'Context aware projector'20077,252,387'System and method for mechanically adjusting projector pose with six degrees of freedom for image alignment'20077,242,818'Position and orientation sensing with a projector'20077,229,023'Radio and optical identification tags'20077,227,592'Self-correcting rear projection television'20077,218,792'Stylized imaging using variable controlled illumination'20077,206,449'Detecting silhouette edges in images'20077,154,395'Interactive wireless tag location and identification system'20067,137,707'Projector-camera system with laser pointers'20067,102,638'Reducing texture details in images'20067,103,227'Enhancing low quality images of naturally illuminated scenes'20067,068,274'System and method for animating real objects with projected images'20067,038,185'Camera for directly generating a gradient image'20067,019,748'Simulating motion of static objects in scenes'20067,001,023'Method and system for calibrating projectors to arbitrarily shaped surfaces with discrete optical sensors mounted at the surfaces'20066,930,681'System and method for registering multiple images with three-dimensional objects'20056,834,965'Self-configurable ad-hoc projector cluster'20046,811,264'Geometrically aware projector'20046,793,350'Projecting warped images onto curved surfaces'20046,795,069'Free-form modeling of objects with variational implicit surfaces'20046,781,591'Blending multiple images using local and global information'20046,764,185'Projector as an input and output device'20046,755,537'Method for globally aligning multiple projected images'20046,741,248'Rendering geometric features of scenes and models by individual polygons'20046,733,138'Multi-projector mosaic with automatic registration'20046,729,733'Method for determining a largest inscribed rectangular image within a union of projected quadrilateral images'20046,715,888'Method and system for displaying images on curved surfaces'20046,709,116'Shape-adaptive projector system'20046,677,956'Method for cross-fading intensities of multiple images of a scene for seamless reconstruction'20046,527,395'Method for calibrating a projector with a camera'20036,520,647'Automatic keystone correction for projectors with arbitrary orientation'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2013Patents assigned to MITSUBISHI ELECTRIC RES LAB (50)· patent assignee history
2003–2006Based in Somerville, MA, US· patent location history
2004–2021Based in Cambridge, MA, US· patent location history
2012–2018Patents assigned to RASKAR RAMESH (30)· patent assignee history
2013–2021Patents assigned to MASSACHUSETTS INST TECHNOLOGY (50)· patent assignee history
2014–2016Patents assigned to HIRSCH MATTHEW (6)· patent assignee history
2018–2021Patents assigned to FACEBOOK INC (6)· patent assignee history
2018–2021Based in Palo Alto, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MASSACHUSETTS INST TECHNOLOGY502013–2021
MITSUBISHI ELECTRIC RES LAB502003–2013
RASKAR RAMESHself302012–2018
FACEBOOK INC62018–2021
HIRSCH MATTHEW62014–2016
Locations
LocationPatentsSpan
Cambridge, Massachusetts, US982004–2021
Palo Alto, California, US132018–2021
Somerville, Massachusetts, US92003–2006