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7302104 |
Smoothing tile boundaries of images encoded and decoded by JPEG 2000
An image processing apparatus and method for decompressing compressed image data is described. In one embodiment, the image processing apparatus decompresses compressed image data that is obtained...
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7301573 |
Apparatus for and method of edge enhancement in image processing
An apparatus for and a method of simultaneously performing edge detection and enhancement without any additional memory storage include an image sensor sensing an image to output image data, a line...
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7298918 |
Image processing apparatus capable of highly precise edge extraction
An image processing apparatus first forms an edge image of an input image using, for example, SOBEL operator, and performs a smoothing process on the formed edge image by using an average filter....
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7298525 |
Image processing device and image processing program for processing a plurality of color signals formed of a plurality of color components
In a halftone module, it is judged whether or not the value “rate” for each pixel is greater than zero (0). In other words, it is judged whether or not the eight-bit input data Iin of each...
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7298404 |
Contour-emphasizing device
The present invention provides an edge enhancing apparatus ( 20 ) including a filter ( 51 ) to extract a horizontal high-frequency component of a video signal, a rise/fall detection detector ( 52 )...
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7295346 |
Methods and apparatus for antialiasing using selective implementation of logical and averaging filter operations
Methods and apparatus for antialiasing images that contain one or more image objects such as colored text, line art, and graphical objects, such that the edge pixels of an antialiased image object...
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7292356 |
Printing with reduced outline bleeding
The present invention is a printing method of recording an image by forming ink dots on a print medium in one of a plurality of print modes. The method determines the reduction pattern in response...
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7292738 |
Method and system for dynamic angle interpolation in image processing
A method and system for image resample by spatial interpolation. The method and system allow more than simple angle interpolation by allowing spatial interpolation to be performed on small angle...
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7292728 |
Block quantization method for color halftoning
A method and apparatus for block quantization for color halftoning is described. In one embodiment, the method comprises dividing an input image and an output image into blocks, wherein each block...
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7286269 |
Use of an input black and white bitmap to generate emboldened anti-aliasing bitmap
A computer-implemented simulated emboldening mechanism for emboldening an input Black and White bitmap to generate an emboldened Anti-Aliasing bitmap. The simulated emboldening adjusts the...
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7286721 |
Fast edge-oriented image interpolation algorithm
The invention provides an image interpolating method, which comprises receiving the low resolution pixels Y ij . Then, a homogenous area and an edge area of the image are determined according to...
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7283680 |
Method for image processing by unsharp masking
A method for adjusting an image signal by a processor includes providing a first low pass filter and a second low pass filter, generating an energy ratio of a band-pass image signal and the image...
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7274828 |
Method and apparatus for detecting and processing noisy edges in image detail enhancement
A method and system that detect image pixels of noisy and sharp image edges, and enhance such pixels differently than other pixels, so that noise around the detected pixels is essentially not...
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7274831 |
High quality anti-aliasing
An antialiasing method and apparatus suitable for antialiasing a variety of image types, including fonts, large images, and very small images. The antialiasing technique may represent the edge of a...
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7274802 |
Automatic tracking apparatus for reflector
The present invention comprises an illumination portion ( 11 ), and, a light receiving portion ( 12 ) having an image sensor ( 27 ) which are disposed in a surveying machine body ( 8 ), arithmetic...
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7271851 |
Adaptive color transient improvement
A superior Color Transient Improvement technique is adaptive to the local image features, so that more natural color edge transition improvement can be accomplished. A gain control function is...
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7269300 |
Sharpening a digital image in accordance with magnification values
A method of processing a digital image having pixels to improve the sharpness of a print generated from the digital image including determining a magnification value representing the magnification...
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7265873 |
Image processor that performs edge enhancement using a dynamic threshold
An image processing system that performs edge-enhancement on an image. The image processing system processes a region of the image at a given time. One specific pixel of an image region is compared...
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7265766 |
Method and system for adaptive bit depth enhancement for displays
According to one embodiment, a method for compensating for inadequate bit resolution in a light processing system includes receiving a plurality of values each indicative of an intensity level for...
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7266249 |
Optimized region growing algorithm for scale space analysis
The present invention provides a system, method and computer program product for improving quality of images. The pixels of the input image are used to generate two lists of pixels based on two...
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7265871 |
Image formation processing method and image formation processing apparatus
An image formation processing method for forming an image to be raised with color toners on a raised portion of an expandable toner which is formed on a recording sheet according to an original...
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7263219 |
Image processor
Additive information for restoring the contour of an image is generated and embedded in the image data. The format of the additive information is determined beforehand. When a hard copy is...
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7260267 |
Image processing apparatus, computer readable medium storing program, image processing method, image capturing apparatus, printing apparatus, and scanning apparatus
An image processing apparatus for performing gamma correction and edge correction on the image and for generating a noiseless image. The image processing apparatus includes a gamma correction unit...
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7251053 |
Image processing apparatus and method
The sharpness of a digital image is enhanced by an edge enhancement process in which the edge adjustment range is adjusted. The image processing apparatus of the present invention determines the...
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7248747 |
Method and arrangement for the correction of video signals
In a method for the correction of video signals whose processing is distributed between a plurality of segments having different transfer characteristics, it is provided that, from values in each...
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7242816 |
Group average filter algorithm for digital image processing
This present invention discloses a system and method for enhancing images of barcodes and other similar objects taken by the digital camera connected to or embedded in a mobile device. This filter...
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7242412 |
Method and apparatus for expanding a source pixel in a digital image
An apparatus for expanding a source pixel in a digital image includes an edge direction detector detecting edge direction in the vicinity of the source pixel. An interpolator interpolates multiple...
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7242819 |
Method and system for advanced edge-adaptive interpolation for interlace-to-progressive conversion
An improved method and system for edge adaptive interpolation. The method uses a “9×2” window to detect the edge direction with post-processing to remove any artifacts due to the possible...
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7239735 |
Pattern inspection method and pattern inspection device
In this pattern inspection device, the optical scanning section scans the inspected pattern using a laser beam. A photoelectric image processing section generates an image of the inspected pattern....
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7239342 |
Image processing apparatus and method
An object of the present invention is to generate an image which is prevented from being influenced by a movement while suppressing increase in noise components. When a movement is detected during...
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7231096 |
Screening method for overlapping sub-images
A method and system for reproducing an image on a carrier, the method includes: generating a conjoined first and second sub-image, each representative for a portion of the image; defining an...
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7228003 |
Flat-field, panel flattening, and panel connecting methods
A plurality of panels are assembled into a single image. Each of the panels may have different intensities throughout the panel, as well as non-uniformities between panels. The panels are modified...
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7224405 |
Horizontal contour correction circuit
A horizontal contour correction circuit for correcting a horizontal contour of a video signal to output as a corrected signal, comprising: a delay circuit for outputting video signal values of a...
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7221799 |
Image processing based on degree of white-background likeliness
An image processing device includes a filtering unit which filters an input image with variable frequency characteristics, an edge detection unit which detects magnitudes of edges appearing in the...
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7218793 |
Reducing differential resolution of separations
Certain disclosed implementations use digital image processing to reduce the differential resolution among separations or images in film frames, such as, for example, red flare. A location in the...
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7203234 |
Method of directional filtering for post-processing compressed video
A method of post-processing decompressed images includes identification of the direction of an image edge in a pixel block of the image and filtering applied along the boundary of the block in a...
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7200278 |
4×4 pixel-based edge detection and edge enhancement without line buffer overhead
A digital image upscaling system enhances the visual quality of enlarged images by detecting diagonal edges and applying an appropriate scaling algorithm, such as a rotated bilinear scaling...
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RE39541 |
Methods and apparatuses for recovering compressed motion picture
The present invention relates to a method for recovering a compressed image for an image processing technique and an apparatus therefor. In the present invention, a cost function is defined in...
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7194142 |
Selective thickening of dark features by biased sharpening filters
Processing of a pixel of a digital image includes sharpening a digital image, while boldening dark features in the digital image as a non-decreasing function of local contrast.
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7184608 |
Apparatus and method for edge enhancement of digital image data and digital display device including edge enhancer
A method of edge-enhancing digital image data is provided, which includes: storing first and second image data; calculating difference between the first image data and the second image data;...
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7177481 |
Multiresolution unsharp image processing apparatus
The invention concerns an image-processing apparatus, in which a high-frequency component signal of an original image-signal, representing a plurality of pixels, is added to either the original...
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7173734 |
Intercolor bleed reduction in liquid ink printers
A system and method for detecting edge locations where intercolor bleeding would likely be a problem, and reducing the amount of ink printed at those locations. The method operates on image data...
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7173660 |
Method for displaying an information image on a screen
For an image to be displayed on a liquid crystal display, a thinning process is executed to reduce a number of pixels constructing the image. An original image of an information image is produced...
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7171056 |
System and method for converting whiteboard content into an electronic document
A system and method of converting the content of a regular whiteboard into an electronic document. This system and method provides an effective, economical and easy to use way to convert whiteboard...
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7167594 |
Noise reduction method
A method of reducing noise in images formed by uniform regions and textures delimited by edges, comprises a step of filtering these images, a step of detecting edges in these images, a sub-step of...
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7167271 |
Image recording apparatus
The image recording apparatus has a sharpness correcting device which performs a sharpness correction process on image data supplied from a medical diagnostic image generating apparatus, an...
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7167595 |
Image processing apparatus and recording medium, and image processing apparatus
The edge of an image is extracted, and edge information that includes the grade and the direction of the slope of the edge is obtained. The smoothing strength is calculated using the luminance of a...
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7164430 |
Anti-aliasing line pixel coverage calculation using programmable shader
A system and method for rendering a non-zero thickness line on a pixel-limited output device such that aliasing of the line is reduced. The edges defining a line segment are expanded to insure that...
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7161636 |
Vertical sharpness adjustment device and TV receiver therewith
A vertical sharpness adjustment device with which a viewer of a TV receiver can choose a degree of vertical sharpness adjustment to enhance a contour of a picture in vertical direction is offered....
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7158148 |
Display equipment, display method, and recording medium for recording display control program
A three-times magnified pattern of a central target pixel and horizontally contiguously adjacent sub-pixel patterns next thereto are determined on the basis of a reference pattern that has a...
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