Inventor
Raja Bala
Inventor
Webster, NY, US
Overview
Patents· 149 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television31%
G06KGraphical data reading14%
G06VImage or video recognition or understanding13%
G06TImage data processing or generation, in general12%
G06FElectric digital data processing10%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
B41MPrinting, duplicating, marking, or copying processes3%
Y10TTechnical subjects covered by former us classification2%
B41JTypewriters1%
B42DBooks1%
PatentTitleYear
11,068,746Image realism predictor202110,972,672Device having cameras with different focal lengths and a method of implementing cameras with different focal lengths202110,943,352Object shape regression using wasserstein distance202110,885,635Curvilinear object segmentation with noise priors202110,832,413Curvilinear object segmentation with geometric priors202010,719,927Multiframe image processing using semantic saliency202010,674,083Automatic mobile photo capture using video analysis202010,438,258Method and apparatus for generating graphical chromophore maps201910,408,912Method and system for detecting that an object of interest has re-entered a field of view of an imaging device201910,264,250Method and apparatus for determining spectral characteristics of an image captured by a camera on a mobile endpoint device201910,255,482Interactive display for facial skin monitoring201910,255,484Method and system for assessing facial skin health from a mobile selfie image201910,176,658Magnetic watermarking of a printed substrate by metameric rendering201910,042,031Method and system for detecting that an object of interest has re-entered a field of view of an imaging device201810,015,397Automatic mobile photo capture using video analysis20189,977,968System and method for relevance estimation in summarization of videos of multi-step activities20189,892,585'Magnetic watermarking of a printed substrate by metameric rendering'20189,881,221'Method and system for estimating gaze direction of vehicle drivers'20189,865,170'System and method to increase conspicuousness of vehicles'20189,854,148Micro-location of devices within a wireless network using room boundary images20179,807,263'Mobile document capture assistance using augmented reality'20179,807,269'System and method for low light document capture and binarization with multiple flash images'20179,805,255'Temporal fusion of multimodal data from multiple data acquisition systems to automatically recognize and classify an action'20179,798,712'Personalized medical record'20179,778,750'Hand-gesture-based region of interest localization'20179,767,349'Learning emotional states using personalized calibration tasks'20179,760,789'Robust cropping of license plate images'20179,741,249'Automated processing method for bus crossing enforcement'20179,710,727'Anomaly detection using a kernel-based sparse reconstruction model'20179,697,431'Mobile document capture assist for optimized text recognition'20179,639,768'Methods and systems to adaptively detect object borders from electronic device images'20179,619,686'Printed tag information recognition using multi-pose illumination to mitigate glare'20179,615,022'High-resolution imaging devices using low-resolution sensors and compressive sensing exploiting joint sparsity'20179,594,949'Human identity verification via automated analysis of facial action coding system features'20179,589,217'Augmenting barcodes with secondary encoding for anti-counterfeiting'20179,569,681'Methods and systems for efficient image cropping and analysis'20179,536,152'Methods and systems for multimedia trajectory annotation'20179,489,582'Video anomaly detection based upon a sparsity model'20169,471,846'Method and system for visualizing a correlation mark using an electronic device'20169,456,123'Method and system to configure mobile electronic device settings using remote data store analytics'20169,392,185'Apparatus and method for image mosiacking under low-light conditions'20169,354,711'Dynamic hand-gesture-based region of interest localization'20169,317,780'Detecting multi-object anomalies utilizing a low rank sparsity model'20169,275,448'Flash/no-flash imaging for binarization'20169,277,091'Embedding information in paper forms'20169,247,136'Automatic mobile photo capture using video analysis'20169,241,102'Video capture of multi-faceted documents'20169,214,137'Methods and systems for realistic rendering of digital objects in augmented reality'20159,213,701'Systems and methods for electronically auto-filing and retrieving reversible write eraseable paper documents'20159,185,402'Traffic camera calibration update utilizing scene analysis'20159,171,196'Multi-band infrared camera system optimized for skin detection'20159,137,232'Method and system for controlling access to document data using augmented reality marker'20159,122,932'Method and system for automatically detecting multi-object anomalies utilizing joint sparse reconstruction model'20159,111,477'Language-based color calibration of displays'20159,098,749'Dictionary design for computationally efficient video anomaly detection via sparse reconstruction techniques'20159,075,803'Systems and methods for using machine readable codes to store and retrieve reversible write eraseable paper documents'20159,058,757'Systems and methods for image or video personalization with selectable effects'20159,042,640'Methods and system for analyzing and rating images for personalization'20159,014,255'System and method for identifying unique portions of videos with validation and predictive scene changes'20158,980,504'Substrate fluorescence mask utilizing a multiple color overlay for embedding information in printed documents'20158,893,290'Methods and systems for detecting anomalies within voluminous private data'20148,867,829'Method and apparatus for editing color characteristics of electronic image'20148,837,830'Finding text in natural scenes'20148,821,996'Substrate fluorescent non-overlapping dot patterns for embedding information in printed documents'20148,810,658'Estimating a visible vector representation for pixels in an infrared image'20148,805,056'Automatic detection and grouping of straight lines in images for personalization'20148,780,131'Systems and methods for text-based personalization of images'20148,654,402'Pitch based high quantization halftone dot linearization for rendering high quality color images'20148,619,074'Rendering personalized text on curved image surfaces'20138,593,708'Methods, systems and apparatus for jointly optimizing node locations and corresponding output values of a color look-up-table (LUT)'20138,588,470'Methods and systems for improved license plate signature matching by similarity learning on synthetic images'20138,582,819'Methods and systems for improving yield in wanted vehicle searches'20138,576,418'Method for dynamic optimization of refinement patches for color printer characterization'20138,570,339'Modifying color adjustment choices based on image characteristics in an image editing system'20138,526,727'Hierarchical multidimensional lookup table generation'20138,487,955'Language-based color editing for mobile devices'20138,477,374'Cost-effective binary printer models for multi-color printers by improved reflectance modeling and patch clustering'20138,462,389'Halftone-independent scanner profiling'20138,460,781'Infrared encoding of security elements using standard xerographic materials'20138,455,087'Infrared encoding of security elements using standard xerographic materials with distraction patterns'20138,451,521'Finding a locus of colorant formulations that produces a desired color'20138,358,839'Local regression methods and systems for image processing systems'20138,340,411'Smart image resizing with color-based entropy and gradient operators'20128,339,674'Halftone independent correction of spatial non-uniformities'20128,314,978'Halftone independent device characterization accounting for colorant interactions'20128,310,718'High resolution scalable gloss effect'20128,305,667'Systems and methods for forming a tint of a spot color'20128,283,004'Substrate fluorescence pattern mask for embedding information in printed documents'20128,277,908'Substrate fluorescence mask for embedding information in printed documents'20128,265,387'Adaptive spatial gamut mapping via dynamic thresholding'20128,249,340'Dimensionality reduction method and system for efficient color profile compression'20128,244,070'Real-time image personalization'20128,240,475'Color flicker boxes'20128,154,777'Color compensation of images'20128,139,857'Local regression methods and systems for image processing systems'20128,120,812'System and method for obtaining color consistency for a color print job across multiple output devices'20128,103,096'System and method for color space conversion with reduced artifacts'20128,085,434'Printer characterization for UV encryption applications'20118,077,352'GAMUT aim and GAMUT mapping method for spatially varying color lookup tables'20118,072,648'Halftone independent correction of spatial non-uniformities'20118,064,637'Decoding of UV marks using a digital image acquisition device'20118,064,100'Watermark encoding and detection using narrow band illumination'20118,059,134'Enabling color profiles with natural-language-based color editing information'20118,049,929'Color management of halftoned images'20118,035,688'Method, system and apparatus for jointly calibrating color digital cameras and monitors'20118,035,855'Automatic selection of a subset of representative pages from a multi-page document'20118,009,329'Fluorescence-based correlation mark for enhanced security in printed documents'20117,956,867'Color separation multiplexing for real-time multi-dimensional device calibration'20117,933,053'Fine tuning color dictionaries'20117,903,291'UV encryption via intelligent halftoning'20117,884,964'Methods and systems for controlling out-of-gamut memory and index colors'20117,869,087'Color printer characterization or calibration to correct for spatial non-uniformity'20117,864,364'Color correction of images'20117,852,515'Infrared encoding for embedding multiple variable data information collocated in printed documents'20107,835,036'Method to automatically identify and compensate for substrate differences using a sensor'20107,835,033'Gamut boundary separated print system profiling methods and systems'20107,800,785'Methodology for substrate fluorescent non-overlapping dot design patterns for embedding information in printed documents'20107,768,682'Method and apparatus for optimum black component determination for gray component replacement'20107,768,671'Color image gamut enhancement preserving spatial variation'20107,764,403'Watermarking'20107,760,934'Color to grayscale conversion method and apparatus utilizing a high pass filtered chrominance component'20107,747,073'Method and apparatus for adjusting color profiles to meet a desired aim'20107,733,478'Gray balance calibration of an imaging system'20107,724,406'Halftone independent color drift correction'20107,706,034'Multi-Dimensional look-up table generation via adaptive node selection based upon color characteristics of an input image'20107,688,470'System and method for color calibration incorporating gray-component replacement using black value and intermediate color variable input'20107,652,791'Reprinting'20107,652,808'Spatially varying luminance compression gamut mapping system and method'20107,639,401'Camera-based method for calibrating color displays'20097,639,260'Camera-based system for calibrating color displays'20097,511,860'Systems and methods of embedding gamut mapping information into printed images'20097,486,416'Inter-separation decorrelator'20097,450,226'Gray balance calibration of an imaging system'20087,420,712'Systems and methods that alter electronic data based on availability of time'20087,382,915'Color to grayscale conversion method and apparatus'20087,355,752'Two-dimensional calibration architectures for color devices'20087,352,491'System and method for selecting the best set of devices for rendering color documents'20087,328,116'Visual monitor calibration'20087,315,394'Calibration method for an imaging device'20087,312,799'Visual determination of gamma for softcopy display'20077,295,703'Method for scanner characterization for color measurement of printed media having four or more colorants'20077,277,196'Iterative printer control and color balancing system and method using a high quantization resolution halftone array to achieve improved image quality with reduced processing overhead'20077,215,817'System and method for digital watermarking in a calibrated printing path'20077,119,924'Detection and segmentation of sweeps in color graphics images'20067,070,252'System and method for digital watermarking in a calibrated printing path'20066,989,839'Method for converting color to monochrome to maintain differentiability'20066,947,597'Soft picture/graphics classification system and method'20056,937,253'Method for determining color space of an image'20056,750,442'Use of spectral sensors for automatic media identification and improved scanner correction'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2020Patents assigned to XEROX CORP (135)· patent assignee history
2004–2018Based in Webster, NY, US· patent location history
2011–2021Patents assigned to BALA RAJA (59)· patent assignee history
2011–2018Patents assigned to ESCHBACH REINER (13)· patent assignee history
2011–2017Patents assigned to MONGA VISHAL (13)· patent assignee history
2011–2018Patents assigned to ZHAO YONGHUI (11)· patent assignee history
2012–2021Based in Pittsford, NY, US· patent location history
2017–2020Based in Allen, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 135 | 2004–2020 |
| BALA RAJAself | 59 | 2011–2021 |
| ESCHBACH REINER | 13 | 2011–2018 |
| MONGA VISHAL | 13 | 2011–2017 |
| ZHAO YONGHUI | 11 | 2011–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Webster, New York, US | 82 | 2004–2018 |
| Pittsford, New York, US | 65 | 2012–2021 |
| Allen, Texas, US | 2 | 2017–2020 |