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30results about How to "Reduce and eliminate artifact" patented technology
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Character-based automated media summarization
ActiveUS20090100454A1Reduce and eliminate artifactStable outputInput/output for user-computer interactionDigital data processing detailsDigital videoComputer graphics (images)
Methods, devices, systems and tools are presented that allow the summarization of text, audio, and audiovisual presentations, such as movies, into less lengthy forms. High-content media files are shortened in a manner that preserves important details, by splitting the files into segments, rating the segments, and reassembling preferred segments into a final abridged piece. Summarization of media can be customized by user selection of criteria, and opens new possibilities for delivering entertainment, news, and information in the form of dense, information-rich content that can be viewed by means of broadcast or cable distribution, “on-demand” distribution, internet and cell phone digital video streaming, or can be downloaded onto an iPod™ and other portable video playback devices.
Owner:NUTSHELL MEDIA
Methods for driving electro-optic displays
ActiveUS20130194250A1Reduce and eliminate edge artifactImprove visibilityCathode-ray tube indicatorsInput/output processes for data processingDisplay deviceComputer vision
A variety of methods for driving electro-optic displays so as to reduce visible artifacts are described. Such methods include (a) applying a first drive scheme to a non-zero minor proportion of the pixels of the display and a second drive scheme to the remaining pixels, the pixels using the first drive scheme being changed at each transition; (b) using two different drive schemes on different groups of pixels so that pixels in differing groups undergoing the same transition will not experience the same waveform; (c) applying either a balanced pulse pair or a top-off pulse to a pixel undergoing a white-to-white transition and lying adjacent a pixel undergoing a visible transition; (d) driving extra pixels where the boundary between a driven and undriven area would otherwise fall along a straight line; and (e) driving a display with both DC balanced and DC imbalanced drive schemes, maintaining an impulse bank value for the DC imbalance and modifying transitions to reduce the impulse bank value.
Owner:E INK CORPORATION
Method and apparatus for managing artifacts in frequency domain processing of light-field images
ActiveUS8244058B1Reduce and eliminate wave artifactReduce and eliminate artifactImage enhancementImage analysisComputer scienceCorrection method
Various methods and apparatus for removing artifacts in frequency domain processing of light-field images are described. Methods for the reduction or removal of the artifacts are described that include methods that may be applied during frequency domain processing and a method that may be applied during post-processing of resultant angular views. The methods may be implemented in software as or in a light-field frequency domain processing module. The described methods include an oversampling method to determine the correct centers of slices, a phase multiplication method to determine the correct centers of slices, a method to exclude low-energy slices, and a cosmetic correction method.
Owner:ADOBE SYST INC
Interactive image seamer for panoramic images
InactiveUS7620909B2Reduce and eliminate artifactEasy to processTelevision system detailsColor television signals processingMorphingPanorama
An interactive computer program for seaming a number of images into a panorama. Various parameters which affect how the images are seamed can be changed interactively. Parameters such as position, orientation, focal length, which image will be visible where images overlap, and the opacity curve can be changed. The result of any change is immediately visible. A user can move the control points, thereby “morphing” or distorting the contribution to the panorama of an image. Each pixel is assigned an “alpha” value which indicates the opacity value of that pixel in an area where images overlap. Alpha values can be changed according to a pre-established curve. The original images are not changed. Instead, only the transform between the original images and the final panorama is changed.
Owner:IMMERSIVE LICENSING
Method and apparatus for deriving motion information from projection data
InactiveUS6879656B2Facilitate data acquisitionFacilitate image reconstructionImage enhancementReconstruction from projectionData setComputer science
One or more techniques are provided for deriving motion data from a set of CT projection data. The techniques calculate moments associated with consistency conditions for the projection data to derive motion data from the projection data. One aspect of the present techniques uses the calculated moments to select projection data sets based upon the presence or absence of motion between the projection data sets. Periodicity information may then be extracted from the selected projection data sets. Another aspect of the present techniques uses projection data acquired by a slowly rotating volumetric CT gantry to allow the separation of a corruptive signal from a desired motion signal. Once separated, the desired motion signal may be used to identify projection data at a desired phase of motion.
Owner:GENERAL ELECTRIC CO
Method and Apparatus for Managing Artifacts in Frequency Domain Processing of Light-Field Images
ActiveUS20130121615A1Reduce and eliminate artifactImage enhancementImage analysisComputer scienceCorrection method
Owner:ADOBE SYST INC
Methods for driving electro-optic displays
ActiveUS10672350B2Reduce perceived flashinessReduce artifactsStatic indicating devicesDisplay deviceEngineering
A variety of methods for driving electro-optic displays so as to reduce visible artifacts are described. Such methods include (a) applying a first drive scheme to a non-zero minor proportion of the pixels of the display and a second drive scheme to the remaining pixels, the pixels using the first drive scheme being changed at each transition; (b) using two different drive schemes on different groups of pixels so that pixels in differing groups undergoing the same transition will not experience the same waveform; (c) applying either a balanced pulse pair or a top-off pulse to a pixel undergoing a white-to-white transition and lying adjacent a pixel undergoing a visible transition; (d) driving extra pixels where the boundary between a driven and undriven area would otherwise fall along a straight line; and (e) driving a display with both DC balanced and DC imbalanced drive schemes, maintaining an impulse bank value for the DC imbalance and modifying transitions to reduce the impulse bank value.
Owner:E INK CORPORATION
System for providing a continuous motion sequential lateral solidification for reducing or eliminating artifacts in overlap regions, and a mask for facilitating such artifact reduction/elimination
InactiveUS7759230B2Reduce and eliminate artifactArtifact is reduced and eliminatedSemiconductor/solid-state device manufacturingLaser beam welding apparatusLight beamComputer science
An arrangement, process and mask for implementing single-scan continuous motion sequential lateral solidification of a thin film provided on a sample such that artifacts formed at the edges of the beamlets irradiating the thin film are significantly reduced. According to this invention, the edge areas of the previously irradiated and resolidified areas which likely have artifacts provided therein are overlapped by the subsequent beamlets. In this manner, the edge areas of the previously resolidified irradiated areas and artifacts therein are completely melted throughout their thickness. At least the subsequent beamlets are shaped such that the grains of the previously irradiated and resolidified areas which border the edge areas melted by the subsequent beamlets grow into these resolidifying edges areas so as to substantially reduce or eliminate the artifacts.
Owner:THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK
Respiratory motion extraction from tomographic projection and image data
ActiveUS20080253636A1Facilitate acquisitionEnhance the imageUltrasonic/sonic/infrasonic diagnosticsReconstruction from projectionTime segmentData acquisition
The present technique provides a novel method and apparatus for determining the motion of an internal tissue or organ undergoing dynamic movement such as a respiratory cycle. Particularly, the technique provides for a method and system for processing projection data to determine the motion rather than relying on additional data acquired from an external sensor. The motion is extracted from projection data by tracking the change over time in projections from the same projection angle and / or conjugate projection angle pairs. The extraction is possible because multiple gantry rotations occur in the time period of a single respiratory period. The motion information may in turn be used to facilitate data acquisition or image reconstruction, such as by gating techniques, to reduce or eliminate motion related artifacts.
Owner:GENERAL ELECTRIC CO
Character-based automated media summarization
ActiveUS8392183B2Reduce and eliminate artifactStable outputInput/output for user-computer interactionTelevision system detailsDigital videoComputer graphics (images)
Methods, devices, systems and tools are presented that allow the summarization of text, audio, and audiovisual presentations, such as movies, into less lengthy forms. High-content media files are shortened in a manner that preserves important details, by splitting the files into segments, rating the segments, and reassembling preferred segments into a final abridged piece. Summarization of media can be customized by user selection of criteria, and opens new possibilities for delivering entertainment, news, and information in the form of dense, information-rich content that can be viewed by means of broadcast or cable distribution, “on-demand” distribution, internet and cell phone digital video streaming, or can be downloaded onto an iPod™ and other portable video playback devices.
Owner:NUTSHELL MEDIA
Character-based automated text summarization
ActiveUS20130144607A1Reduce and eliminate artifactStable outputElectrophonic musical instrumentsDigital data information retrievalDigital videoComputer graphics (images)
Owner:WEBER FR ELMO
Method And System For Providing A Continuous Motion Sequential Lateral Solidification For Reducing Or Eliminating Artifacts In Edge Regions, And A Mask For Facilitating Such Artifact Reduction/Elimination
InactiveUS20100233888A1Reduce and eliminate artifactArtifact is reduced and eliminatedSemiconductor/solid-state device manufacturingLaser beam welding apparatusComputer scienceSingle scan
An arrangement, process and mask for implementing single-scan continuous motion sequential lateral solidification of a thin film provided on a sample such that artifacts formed at the edges of the beamlets irradiating the thin film are significantly reduced. According to this invention, the edge areas of the previously irradiated and resolidified areas which likely have artifacts provided therein are overlapped by the subsequent beamlets. In this manner, the edge areas of the previously resolidified irradiated areas and artifacts therein are completely melted throughout their thickness. At least the subsequent beamlets are shaped such that the grains of the previously irradiated and resolidified areas which border the edge areas melted by the subsequent beamlets grow into these resolidifying edges areas so as to substantially reduce or eliminate the artifacts.
Owner:THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK
Scaling for gain shape circuitry
ActiveUS20160210978A1Reduce energy differenceReduce and eliminate artifactSpeech analysisPattern recognition
Owner:QUALCOMM INC
Tensor field mapping with magnetostatic constraint
ActiveUS20200264249A1Reduce and eliminate artifactMeasurements using NMR imaging systemsMagnetic susceptibilityVoxel
A system may measure, using a measurement device, a response associated with a sample to an excitation. Then, the system may compute, using the measured response and the excitation as inputs to one of an inverse model and a predetermined predictive model, model parameters on a voxel-by-voxel basis in a forward model with multiple voxels that represent the sample. The forward model may simulate response physics occurring within the sample to a given excitation, and the model parameters may include magnetic susceptibilities of the multiple voxels. Moreover, the system may determine an accuracy of the model parameters by comparing at least the measured response and a calculated predicted value of the response using the forward model, the model parameters and the excitation. When the accuracy exceeds a predefined value, the system may provide the model parameters as an output to: a user, another electronic device, a display, and / or a memory.
Owner:Q BIO INC
Apparatus and methods for artifact detection and removal using frame interpolation techniques
ActiveUS20180315174A1Reduce and eliminate artifactImage enhancementTelevision system detailsSingle passImaging data
Methods and apparatus for the generation of interpolated frames of video data. In one embodiment, the interpolated frames of video data are generated by obtaining two or more frames of video data from a video sequence; determining frame errors for the obtained two or more frames from the video sequence, determining whether the frame errors exceed a threshold value; performing a multi-pass operation; performing a single-pass operation; performing frame blending; performing edge correction; and generating the interpolated frame of image data.
Owner:GOPRO
Respiratory motion extraction from tomographic projection and image data
ActiveUS8229187B2Facilitate acquisitionEnhance the imageUltrasonic/sonic/infrasonic diagnosticsReconstruction from projectionTime segmentData acquisition
The present technique provides a novel method and apparatus for determining the motion of an internal tissue or organ undergoing dynamic movement such as a respiratory cycle. Particularly, the technique provides for a method and system for processing projection data to determine the motion rather than relying on additional data acquired from an external sensor. The motion is extracted from projection data by tracking the change over time in projections from the same projection angle and / or conjugate projection angle pairs. The extraction is possible because multiple gantry rotations occur in the time period of a single respiratory period. The motion information may in turn be used to facilitate data acquisition or image reconstruction, such as by gating techniques, to reduce or eliminate motion related artifacts.
Owner:GENERAL ELECTRIC CO
Method for Dynamically Compensating for a Faulty Pixel in a Scan Line Generated by a Scanner
ActiveUS20090091808A1Reduce and eliminate visible artifactReduce and eliminate artifactImage enhancementDigitally marking record carriersScan lineComputer graphics (images)
A method for dynamically compensating for a faulty pixel in a scan line of a scanner having an image sensor with a plurality of sensor pixels includes generating digitized scan data; processing the digitized scan data to compensate for any faulty pixels of the plurality of sensor pixels to form compensated scan data; processing the compensated scan data to apply offset and gain correction to the compensated scan data to form calibrated scan data; processing the calibrated scan data to adjust the calibrated scan data to compensate for human visual perception to form final scan data; and storing the final scan data in a scanner image memory.
Owner:LEXMARK INT INC
Apparatus and methods for artifact detection and removal using frame interpolation techniques
ActiveUS20200160495A1Reduce and eliminate artifactImage enhancementImage analysisComputer graphics (images)Video sequence
Owner:GOPRO
Method for dynamically compensating for a faulty pixel in a scan line generated by a scanner
ActiveUS7821687B2Reduce and eliminate artifactImage enhancementDigitally marking record carriersScan lineComputer graphics (images)
A method for dynamically compensating for a faulty pixel in a scan line of a scanner having an image sensor with a plurality of sensor pixels includes generating digitized scan data; processing the digitized scan data to compensate for any faulty pixels of the plurality of sensor pixels to form compensated scan data; processing the compensated scan data to apply offset and gain correction to the compensated scan data to form calibrated scan data; processing the calibrated scan data to adjust the calibrated scan data to compensate for human visual perception to form final scan data; and storing the final scan data in a scanner image memory.
Owner:LEXMARK INT INC
Arc detection method utilizing a dynamic processing module
ActiveUS7187181B2Reduce and eliminate waveform artifactReduce artifactsTesting dielectric strengthEmergency protective arrangement detailsComputer moduleAlternating current
Methods and systems for reliable arc detecting in systems having power signals that experience decay or increase in amplitude. One embodiment of a system for detecting electrical arcs by monitoring an alternating current power supply comprises a sampling circuit which samples electrical signals. It further comprises a delay circuit which receives the sampling circuit output and stores a time history of the output over an interval including a past, present and future versions of the history. Causal / non-causal logic compares the present version with the past and future versions to determine which will be used as an arc monitoring version to compare the present version to for arc monitoring. A dynamic processing module compensates for any amplitude differences between the present version and the arc monitoring version. An arc monitoring circuit analyzes the present version and adjusted arc monitoring version to determine if an arc signal is present.
Owner:HENDRY MECHANICAL WORKS
System and method for attenuating aliasing in seismic data caused by acquisition geometry
ActiveUS8660798B2Reduce and eliminate artifactAttenuates aliasingSeismic signal processingSpecial data processing applicationsSeismic energyVolume of interest
Owner:CHEVROU USA INC
Contrast adjusted anaglyph
ActiveUS20140300601A1Reduce image qualityDistracting to viewerImage enhancementImage analysisComputer scienceContrast ratio
Methods and apparatus for enabling contrast adjustment to anaglyph images are described. Compensation techniques are employed to reduce ghosting artifacts that would otherwise be introduced by contrast adjustments to input images used to generate anaglyphs. The compensation techniques are applicable to various anaglyph imaging processes.
Owner:STMICROELECTRONICS INT NV
Apparatus and methods for artifact detection and removal using frame interpolation techniques
ActiveUS10489897B2Reduce and eliminate artifactImage enhancementImage analysisVideo sequenceImaging data
Methods and apparatus for the generation of interpolated frames of video data. In one embodiment, the interpolated frames of video data are generated by obtaining two or more frames of video data from a video sequence; determining frame errors for the obtained two or more frames from the video sequence, determining whether the frame errors exceed a threshold value; performing a multi-pass operation; performing a single-pass operation; performing frame blending; performing edge correction; and generating the interpolated frame of image data.
Owner:GOPRO
Contrast adjusted anaglyph for reducing ghosting artifacts
ActiveUS9241153B2Quality improvementDistracting to viewerImage enhancementImage analysisComputer scienceHorizontal and vertical
A system adjusts contrast of an anaglyph image and includes a contrast adjuster processor that generates a contrast-adjusted first luma signal and second luma signal and a contrast-adjusted third luma signal from a first input image signal and second input image signal. An upstream summing node determines a first difference between the first luma signal and third luma signal and a downstream summing node subtracts the first difference from the first signal component of the first input signal. A fine adjuster circuit receives a signal for the first difference and applies a fine adjustment as a gain adjustment, an offset adjustment, and a horizontal and vertical shift.
Owner:STMICROELECTRONICS INT NV
Anal fixation device
ActiveUS9775564B2The test result is moreReduce operator workloadRectal devicesSurgeryMedicinePatients position
Anorectal diagnostic procedures are oftentimes carried out with the patient laying in the left decubitus position, which leads to non-representative response to test maneuvers due to the unnatural position and patient anxiety. Devices spanning, or fastened on, the interglutial cleft of a patient allow for a more natural patient position and eliminate non-representative responses.
Owner:MAYO FOUND FOR MEDICAL EDUCATION & RES +1
Tensor field mapping with magnetostatic constraint
ActiveUS11360166B2Reduce and eliminate artifactMeasurements using NMR imaging systemsMagnetic susceptibilityVoxel
A system may measure, using a measurement device, a response associated with a sample to an excitation. Then, the system may compute, using the measured response and the excitation as inputs to one of an inverse model and a predetermined predictive model, model parameters on a voxel-by-voxel basis in a forward model with multiple voxels that represent the sample. The forward model may simulate response physics occurring within the sample to a given excitation, and the model parameters may include magnetic susceptibilities of the multiple voxels. Moreover, the system may determine an accuracy of the model parameters by comparing at least the measured response and a calculated predicted value of the response using the forward model, the model parameters and the excitation. When the accuracy exceeds a predefined value, the system may provide the model parameters as an output to: a user, another electronic device, a display, and / or a memory.
Owner:Q BIO INC
Methods for driving electro-optic displays
ActiveUS20200265790A1Reduce perceived flashinessReduce artifactsStatic indicating devicesDisplay deviceReal-time computing
A variety of methods for driving electro-optic displays so as to reduce visible artifacts are described. Such methods include (a) applying a first drive scheme to a non-zero minor proportion of the pixels of the display and a second drive scheme to the remaining pixels, the pixels using the first drive scheme being changed at each transition; (b) using two different drive schemes on different groups of pixels so that pixels in differing groups undergoing the same transition will not experience the same waveform; (c) applying either a balanced pulse pair or a top-off pulse to a pixel undergoing a white-to-white transition and lying adjacent a pixel undergoing a visible transition; (d) driving extra pixels where the boundary between a driven and undriven area would otherwise fall along a straight line; and (e) driving a display with both DC balanced and DC imbalanced drive schemes, maintaining an impulse bank value for the DC imbalance and modifying transitions to reduce the impulse bank value.
Owner:E INK CORP
Anal fixation device
ActiveUS20150257703A1The test result is moreReduce operator workloadRectal devicesPerson identificationMedicinePatients position
Anorectal diagnostic procedures are oftentimes carried out with the patient laying in the left decubitus position, which leads to non-representative response to test maneuvers due to the unnatural position and patient anxiety. Devices spanning, or fastened on, the interglutial cleft of a patient allow for a more natural patient position and eliminate non-representative responses.
Owner:MAYO FOUND FOR MEDICAL EDUCATION & RES +1
Scaling for gain shape circuitry
ActiveUS9595269B2Reduce energy differenceReduce and eliminate artifactSpeech analysisPattern recognitionAudio frequency
Owner:QUALCOMM INC
Methods for reducing image artifacts during partial updates of electrophoretic displays
ActiveUS20220139339A1Reduce and eliminate edge artifactReduce visibilityCathode-ray tube indicatorsImage ArtifactEngineering
Owner:E INK CORPORATION
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