Eastman-kodak Company

Omnivision Technologies, Inc.

Kodak Alaris Inc.

Intellectual Ventures Fund 83 LLC

James E Adams, Jr

John F Hamilton, Jr

Bruce Harold Pillman

Mrityunjay Kumar

James A Hamilton

Edward B Gindele

Michele O'Brien

Kenneth Alan Parulski

Craig M Smith

Amy D Enge

Efrain Orlando Morales

Kevin Edward Spaulding

Aaron Thomas Deever

Bruce A Link

Russell J Palum

John N Border

John Randall Fredlund

Andrew Charles Gallagher

David M Orlicki

Steven M Belz

Jeffrey Clarence Snyder

Frances C Williams

Anthony A Syracuse

Keith A Jacoby

Eiichi Shimizu

Stephanie S Chen

John Franklin Hamilton

Amy Dawn Enge

James Andrew Hamilton

Russell Jay Palum

A method of indicating a medium misfeed along a medium transport path comprising one or more rollers for conveying the medium along the medium transport path; a microphone for detecting the sound of the conveyed medium and producing a signal representing the sound; a processor for producing sound values from the signal; providing a sensitivity setting responsive to the sound values; and indicating the medium misfeed responsive to the sound values and the sensitivity setting.

Self-adjusting audio detection of medium jam

A method of producing barcode locations within a document comprising providing an original digital image of the document; using a processor for producing a normalized image from the original digital image; producing a gradient image from the normalized image; producing a plurality of bounding boxes from the gradient image; and producing bounding box test results by testing each bounding box for the presence of a barcode; and producing barcode locations within the document from the bounding box test results.

Determining barcode locations in documents

A method of indicating a medium jam along a medium transport path comprising one or more rollers for use in conveying the medium along the medium transport path; a microphone for detecting the sound of the medium being conveyed and producing a signal representing the sound; a processor for producing sound values from the signal and computing a moving window sum responsive to the sound values; computing a high amplitude count responsive to the sound values; and computing a post roller sum responsive to the sound values; and indicating the medium jam responsive to the moving window sum, high amplitude count, or post roller sum.

Audio detection of medium jam

A method of providing an all-in-focus video from a single captured video is disclosed. The method uses a processor to perform the steps of acquiring a single captured video of a scene such that during capture there are at least two differing focus settings by using the single captured video to provide a plurality of videos having at least a first video at the first focus setting and a second video at the second focus setting and providing an all-in-focus video from the plurality of videos.

Producing focused videos from single captured video

A method of enhancing a full-color image of a scene includes capturing an image of the scene using a two-dimensional sensor array having both color and panchromatic pixels, forming an edge map in response to the panchromatic pixels, forming the full-color image in response to the captured color pixels, and using the edge map to enhance the full-color image.

Edge mapping incorporating panchromatic pixels

A method of providing a refocused image, includes using a processor to perform the steps of acquiring at least two captured images of a scene with differing focus settings, using the at least two captured images to provide an all-in-focus image, generating a range map from the at least two captured images, locating a region-of-interest (ROI) window from the range map, and providing a refocused image from the all-in-focus image and the region-of-interest (ROI) window.

Refocusing images using scene captured images

A method for reducing noise in an image captured using a digital image sensor having pixels being arranged in a rectangular minimal repeating unit, comprising: computing first weighted pixel differences by combining first pixel differences between the pixel value of a central pixel and pixel values for nearby pixels of the first channel in a plurality of directions with corresponding local edge-responsive weighting values; computing second weighted pixel differences by combining second pixel differences between pixel values for pixels of at least one different channel in the plurality of directions with corresponding local edge-responsive weighting values; and computing a noise-reduced pixel value for the central pixel by combining the first and second weighted pixel differences with the pixel value for the central pixel.

Denoising CFA images using weighted pixel differences

A method for reducing noise in a color image captured using a digital image sensor having pixels being arranged in a rectangular minimal repeating unit. The method comprises, for a first color channel, determining noise reduced-pixel values using a first noise reducing process that includes computing weighted pixel differences by combining the pixel differences with corresponding local edge-responsive weighting values. The method further comprises a second noise reducing process that includes computing weighted chroma differences by combining chroma differences with corresponding local edge-responsive weighting values.

Iteratively denoising color filter array images

A method is described for forming a full-color output image from a color filter array image comprising capturing an image using an image sensor including panchromatic pixels and color pixels having at least two different color responses, the pixels being arranged in a rectangular minimal repeating unit wherein for a first color response, the color pixels having the first color response alternate with panchromatic pixels in at least two directions, and for each of the other color responses there is at least one row, column or diagonal of the repeating pattern that only has color pixels of the given color response and panchromatic pixels. The method further comprising, computing an interpolated panchromatic image from the color filter array image; computing an interpolated color image from the color filter array image; and forming the full color output image from the interpolated panchromatic image and the interpolated color image.

Interpolation for four-channel color filter array

A method of forming a full-color output image from a color filter array image having a plurality of color pixels having at least two different color responses and panchromatic pixels, comprising capturing a color filter array image using an image sensor including panchromatic pixels and color pixels having at least two different color responses, the pixels being arranged in a repeating pattern having a square minimal repeating unit having at least three rows and three columns, the color pixels being arranged along one of the diagonals of the minimal repeating unit, and all other pixels being panchromatic pixels; computing an interpolated panchromatic image from the color filter array image; computing an interpolated color image from the color filter array image; and forming the full color output image from the interpolated panchromatic image and the interpolated color image.

Four-channel color filter array interpolation

A method for forming a final digital color image with reduced motion blur including of a processor for providing images having panchromatic pixels and color pixels corresponding to at least two color photo responses, interpolating between the panchromatic pixels and color pixels to produce a panchromatic image and a full-resolution color image to produce a full-resolution synthetic panchromatic image from the full-resolution color image; and developing color correction weights in response to the synthetic panchromatic image and the panchromatic image; and using the color correction weights to modify the full-resolution color image to provide a final color digital image.

CFA image with synthetic panchromatic image

An image sensor for capturing a color image comprising a two dimensional array of light-sensitive pixels including panchromatic pixels and color pixels having at least two different color responses, the pixels being arranged in a repeating pattern having a square minimal repeating unit having at least three rows and three columns, the color pixels being arranged along one of the diagonals of the minimal repeating unit, and all other pixels being panchromatic pixels.

Four-channel color filter array pattern

An image sensor for capturing a color image comprising a two dimensional array of light-sensitive pixels including panchromatic pixels and color pixels having at least three different color responses, the pixels being arranged in a rectangular minimal repeating unit having at least eight pixels and having at least two rows and two columns, wherein for a first color response, the color pixels having the first color response alternate with panchromatic pixels in at least two directions, and for each of the other color responses there is at least one row, column or diagonal of the repeating pattern that only has color pixels of the given color response and panchromatic pixels.

Color filter array pattern having four-channels

A method of improving a first color filter array image from an image sensor having a plurality of color channels and a panchromatic channel, includes capturing the panchromatic channel at a different exposure time than at least one of the color channels with the image sensor; using the color channels to provide a luminance channel; and analyzing the color filter array image and the luminance channel to determine defective pixels in the color channels and using neighboring color and luminance pixel values to improve the defective pixels to produce a second color filter array image or full-color image having at least one improved channel.

Defective color and panchromatic CFA image

A method of modifying a CFA image or full-color image having a plurality of color channels and a panchromatic channel, includes capturing the panchromatic channel at a different exposure time than at least one of the color image channels with the CFA sensor within one image; producing a panchromatic edge map and a color edge map from the CFA image; using the panchromatic edge map and the color edge map to provide motion estimates; and using the motion estimates to modify at least one of the channels of the CFA image or full-color image.

Growing community of inventors

Rochester, NY, United States of America

James E Adams, Jr