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7613338 |
Image processing method and apparatus, program, and storage medium
A method and apparatus obtains an image of a proper brightness in various scenes in which it is difficult to appropriately determine the brightness of an image. The apparatus includes a unit which...
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7599572 |
System for manipulating noise in digital images
An apparatus for analyzing the broadband noise content of a digital image comprising the following: a means of automatically identifying regions of originally constant color in the image by...
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7525703 |
Method, apparatus and computer product program for performing shading correction of image processing apparatus
An image reading apparatus includes an abnormal pixel detection device configured to examine a value of standard white image data, which is acquired by reading a white image to be a standard for a...
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7502529 |
Low level video detail tracking by intuitionistic fuzzy relationship calculus
To interpolate a value for a pixel, multiple patterns are selected. Each pattern is used to determine a pixel angle. One of the determined pixel angles is then selected based on the reliability of...
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7474846 |
Method and apparatus of determining the best focus position of a lens
A method and apparatus for accurately auto focusing a lens of an imaging device. An imaged scene is split into an array of zones. The minimum and maximum sharpness score for each zone is determined...
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7466853 |
Method and apparatus for detecting defects on a wafer
A light is irradiated on a wafer including a plurality of pixels. Image information corresponding to each pixel is measured by sensing the light reflected by the wafer surface. A raw datum is...
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7453468 |
Intelligent color to texture converter
A method for preserving color information in a black and white version of a color image includes the analysis of the color image. The analysis comprises a search for conflicting colors. Conflicting...
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7388997 |
One dimensional feature enhancement
A method and device of feature enhancement for digital image processing. A predefined feature in one dimension of the image is searched to obtain several peaks, and each peak is either a local...
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7370204 |
Watermark data embedding apparatus and extracting apparatus
By a program process, CPU 31 embeds a watermark data into a waveform data stored in wave memory 41 a . The program includes a step for detecting a characterizing part (attack part and loop part)...
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7369276 |
Multi-level halftoning providing improved texture uniformity
A method for multi-level halftoning an input digital image to form an output digital image which includes a multi-level error diffusion halftoning process incorporating periodic dither signals...
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7324243 |
Fluorescent color scanning method for use in a scanner
A fluorescent color scanning method is disclosed to include the steps of: scanning a standard white to obtain a first reference white W 1 ; reducing the scanning brightness and then scanning the...
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7298896 |
Image processing device for optically decoding an image recorded on a medium for digital transmission of the image information
An image processing device such as an image scanner, etc., and its objective is to actualize a proper binarizing routine specific to the types of images. A histogram of density values is drawn...
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7265878 |
Method of shortening multiple-image scanning duration
A method of shortening multiple image-scanning duration including setting the scanning parameters of each images in a pre-scanning operation, categorizing the images into groups, assigning images...
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7158686 |
Enhancing the tonal characteristics of digital images using inflection points in a tone scale function
A method of producing a tone scale function which operates on a source digital image to improve tonal characteristics, includes receiving a source digital image including a plurality of pixels; and...
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7027637 |
Adaptive threshold determination for ball grid array component modeling
A method for determining a number of balls in a projection space comprises determining a projection of a portion of a ball grid array, determining at least one local maximum of the projection space...
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7019756 |
Apparatus and method for brightness control
A brightness control apparatus comprising a probability density function (PDF) calculator to calculate a PDF based on pixel values of respective pixels of an input image signal, a first setter to...
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7006682 |
Apparatus for monitoring particles and method of doing the same
There is provided an apparatus for monitoring a size of a particle, including (a) a laser beam source which radiates a laser beam to an area in which particles exist, (b) a photodetector which...
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6987542 |
Detection and correction of asymmetric transient signals
The invention relates to a method and apparatus for detecting asymmetry in transient signals and to a method and apparatus for correcting such asymmetry. In the apparatus for detecting asymmetry...
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6980332 |
System and method of automated scan workflow assignment
A system and method that provided for preview scanning a document and generating a preview scan image, determining a document type based on the preview scan image, mapping the document type to a...
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6975433 |
Method and apparatus for reading image information
An image information reading apparatus that can obtain high quality images without an effect of noise and a photographing condition or the like is realized even in the case where a low-bit A/D...
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6965696 |
Image processing device for image region discrimination
An image processing device of the present invention is provided with four kinds of sub masks in total including two kinds in a main scanning direction and two kinds in a sub scanning direction, in...
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6941027 |
Method of and system for automatically determining a level of light falloff in an image
An image processing system includes an image collector and a light falloff correction system. The light falloff correction system comprises a polar transformer that converts an image into radial...
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6941006 |
Method and system for calibrating the scan amplitude of an electron beam lithography instrument
A method for calibrating the scan amplitude of an electron beam lithography instrument by determining the position of a feature within the scan. The method is effective at the operating frequency...
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6842541 |
Adaptive color super resolution thresholding
Methods and systems for adaptively thresholding color image pixels are based on determining a signed (e.g., a plus or minus sign) single-component gray image which can be supersampled and...
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6835177 |
Ultrasonic blood vessel measurement apparatus and method
An apparatus and method for determining the apparent intima-media thickness (IMT) of arteries through acquisition and analysis of ultrasound images comprising an array of pixel intensities. An...
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6771388 |
Halftone gradation processing method and apparatus
A halftone gradation processing method reduces or eliminates the discontinuous gradation reproduction in comparison with conventional error diffusion. A halftone gradation processing method...
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6717622 |
System and method for scalable resolution enhancement of a video image
A system and method for enhancing resolution in a video image includes acquiring a relatively low resolution video signal and applying a peaking function and analyzing the peaked signal to identify...
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6707953 |
Image processing apparatus interpolating thin line included in input image data
In order to correct a thin line to be thin and dense and to prevent the thin line from becoming patchy after binarization of image data without specifying the thin line from image data, an image...
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6674894 |
Method and apparatus for enhancing an image using data optimization and segmentation
A method and system are disclosed for generating enhanced images of multiple dimensional data using a depth-buffer segmentation process. The method and system operate in a computer system modify...
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6643410 |
Method of determining the extent of blocking artifacts in a digital image
A digital image processing method determines the extent of blocking artifacts in a digital image by first forming a column difference image and averaging the values in the columns in the column...
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6580805 |
Method and recognizing music and computer-readable recording medium having music-recognizing program recorded therein
A music score image is read, a two-valuing threshold is set based on a staff interval and a line width of the staff so as to input the music score image as a two-valued image, then music signs are...
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6549658 |
Method and system for classifying and processing of pixels of image data
A system and method classify a pixel of image data as one of a plurality of image types. A first image characteristic value for the pixel, a second image characteristic value for the pixel, a third...
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6490375 |
Methods for finding peaks in a characteristic surface of an image
An efficient and reliable method that identifies possible reference sites in an image is disclosed. The method emphasizes customizing the identification of reference sites for each application by...
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6470094 |
Generalized text localization in images
In some embodiments, the invention includes a method for locating text in digital images. The method includes scaling a digital image into images of multiple resolutions and classifying whether...
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6341182 |
Method and apparatus for analyzing an image
A method of analysing an image to obtain an image value. The image comprises a defined array of pixel values. The method comprises (1) determining the highest pixel value in the image; (2)...
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6181829 |
Method and system for classifying and processing of pixels of image data
A system and method classify a pixel of image data as one of a plurality of image types. A first image characteristic value for the pixel, a second image characteristic value for the pixel ,a third...
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6115504 |
Image processing apparatus employing error diffusion type binarizing system
Digital image data read in by an image scanner is added with a binary error calculated by a peripheral error weighting filter in an error adder to correct binary error. The corrected data is...
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6034789 |
Image reading apparatus with adjustment of offset/gain of image signal
An image reading apparatus includes an image sensor and an offset adjusting circuit for generating an offset-counterbalancing signal in different levels. The level is selected in accordance with an...
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6014465 |
Method for transforming a gray-level image into a black-and-white image
According to the invention there is provided a method for transforming a gray-level image, divided into pixels, into a black-and-white image, comprising the steps of: dividing the gray-level image...
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5979763 |
Sub-pixel dataform reader with dynamic noise margins
Sub-pixel processing of image data representing a dataform, such as a 2D bar code, enables reading of dataforms including more data/smaller elements, without costly increases in sensor and memory...
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5974165 |
Automated method and system for the alignment and correlation of images from two different modalities
A method and system for the computerized registration of radionuclide images with radiographic images, including generating image data from radiographic and radionuclide images of the thorax....
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5963665 |
Image enhancing method using mean-separate histogram equalization and a circuit therefor
An image enhancing method using a mean-separate histogram equalization method is disclosed. An input image signal is divided into two sub-images in a picture unit according to a mean level of the...
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5953450 |
Image forming apparatus correcting the density of image information according to the type of manuscript
An image forming apparatus, which converts the analog image read in lines into a digital image containing the density information in pixels, comprises a histogram creating circuit that converts the...
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5915049 |
Binarization system for an image scanner
A first aspect of the present invention provides a white level setting system for an image scanner. The system compares an analog image signal obtained by scanning an original or a white reference...
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5911014 |
Method and apparatus for extracting an abnormal pattern
In closing processing, maximum value processing is carried out with a structure element on an original image signal, and maximum value signals are thereby obtained as intermediate results and...
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5861616 |
Method and device for recognizing a waveform of an analog signal
A method and device for recognizing a waveform of an analog signal into a binary digital signal is developed. The method includes a) inputting the analog signal, b) determining voltage values of...
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5812286 |
Automatic color processing to correct hue shift and incorrect exposure
A digital color processing method for images from scanners and digital cameras processes image data suitable for display on monitors or color hardcopies produced by digital color printers and...
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5799106 |
Noise immune automated contrast control for infrared cameras
Plateau Equalization (PE), automatically optimizes, tracks changes in luminance, and adjusts in real time the display of wide dynamic range imagery from infrared cameras. The PE approach includes...
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5729627 |
Apparatus for and method of judging dotted image area
An apparatus for and a method of judging a dotted image area using a small-capacity memory. Image data corresponding to one line out of image data representing an original image are stored in a...
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5726771 |
System and method for optimizing tonal resolution in an optical scanner
The tonal resolution of an image scanner is improved by adjusting the dynamic range of an analog-to-digital converter of the scanner. A preview scan of the image is made. The image data from the...
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