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7613363 |
Image superresolution through edge extraction and contrast enhancement
A technique for generating high-resolution bitmaps from low-resolution bitmaps. A low-resolution bitmap is magnified to form a magnified image. Edge detection is performed on the magnified image to...
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7609886 |
Method and apparatus for dynamic image contrast expansion
The present invention discloses a method and an apparatus for applying a dynamic contrast expansion technique to plasma display panels through performing a gamma conversion for the inputted image...
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7609885 |
System and method for effectively implementing a texture feature detector
A system and method are disclosed for performing an image search procedure in which a histogram calculator initially performs image analysis procedures to construct horizontal and vertical texture...
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7595920 |
Processing apparatus and processing method of color image information
An image processing apparatus for color image information inputs a combination of component values of reference colors that constitute a processing color, and converts the combination of component...
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7595825 |
Image pickup system and image processing program
An image pickup system includes a color noise estimation section, which has a local region extraction section that extracts luminance and color difference signals in units of 4×4 pixels from...
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7590285 |
Imaging apparatus and method of processing images
The present invention realizes a function equivalent to an optical half-ND filter electrically and incorporates this function in an image-signal processing system, thereby to compress the dynamic...
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7589728 |
Digital oscilloscope display and method for image quality improvement
A method and apparatus for displaying an acquired signal on an oscilloscope. The method comprises the steps of acquiring an analog signal, digitizing the analog signal and determining a plurality...
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7586653 |
Method and system for enhancing an image using luminance scaling
A method for enhancing an image includes generating a luminance histogram for the image; generating a derivative histogram by taking a first derivative of the luminance histogram; searching for a...
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7586627 |
Method and system for optimizing print-scan simulations
Systems and methods for utilizing a known histogram of a particular category of images to constrain a probabilistic print-scan model in order to provide a more accurate print-scan model are...
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7580567 |
Method and apparatus for two dimensional image processing
In one embodiment, the present invention is a system for two dimensional digital image processing. The system includes a memory access module for accessing a memory containing image data to be...
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7574042 |
Image processing apparatus
An image processing apparatus includes a photographing condition estimation unit for estimating a photographing condition of the input image based on photometric information and focal information....
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7561753 |
System and method for comparing images with different contrast levels
Methodologies and systems to compare images with different levels of contrast are provided. Contrast is normalized between the images with different contrast levels and brightness is set. When...
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7551179 |
Image display apparatus and image adjusting method
An image display apparatus includes: an image signal processing unit which adjusts an input grayscale values included in an input image signal according to a predetermined grayscale characteristic;...
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7548640 |
Method and apparatus for calibration and correction of gray levels in images
A method and apparatus for calibrating an apparatus that acquires a sequence of radiographic images and correcting images of an object under observation. For each image of a sequence acquired by...
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7532214 |
Automated medical image visualization using volume rendering with local histograms
Methods and apparatus are configured to provide data to render (medical) images using direct volume rendering by electronically analyzing a medical volume data set associated with a patient that is...
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7529406 |
High speed and high accuracy image adjusting apparatus and method thereof
The invention provides an image adjusting apparatus for receiving a set of input signals transmitted from a video interface, which is used for receiving a plurality of sets of input signals. The...
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7515748 |
Controlled moving window adaptive histogram equalization
Methods and systems of processing an image to reduce artifacts caused by image processing are disclosed. One embodiment includes applying a controlled, adaptive histogram equalization technique to...
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7512494 |
Vehicle mounted image processor and method of use
A vehicle-mounted detecting device and corresponding method for detecting a distance between the vehicle and an object outside the vehicle. The detecting device extracts edge intersection points...
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7508993 |
System and process for automatic exposure correction in an image
A system and process for improving the appearance of improperly colored and/or improperly exposed images is presented. This involves the use of two novel techniques—namely an automatic color...
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7507204 |
Apparatus and method for forming 3D ultrasound image
The present invention relates to a 3D ultrasound diagnostic forming a 3D ultrasound image only with volume data exiting within contour by automatically detecting the contour of a target object,...
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7492942 |
Image defect inspection method, image defect inspection apparatus, and appearance inspection apparatus
In an image defect inspection method and apparatus, which detects a gray level difference between the corresponding portions of two images, automatically sets a threshold value based on the...
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7483043 |
Spatial-temporal multiplexing
A method and system for performing spatial temporal multiplexing using a multi-threshold mask. A mask generator ( 404 ) outputs a threshold value for each pixel of a display. The mask generator...
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7471426 |
Image reading apparatus and image reading method
An image reading apparatus having a color line sensor and a monochromatic line sensor starts to read on the basis of the color reading start position when reading the image of a document in color...
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7463771 |
Method for retrieving original intact characteristics of heavily polluted images and its image processing
A method for retrieving original intact characteristics of images heavily polluted by Gaussian impulse noises is based on the fuzzy automata theory retrieves the characteristics of images heavily...
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7463769 |
Radiometric calibration from a single image
Radiometric calibration of an image capture device (e.g., a digital camera) using a single image is described. The single image may be a color image or a grayscale image. The calibration identifies...
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7433515 |
Image processing apparatus and method for performing gradation conversion processing for an object image
An image processing apparatus and method can perform gradation conversion of an image in which flatness of a pixel-value histogram of an image after gradation conversion is excellent, while using a...
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7433085 |
Intelligent hardware for detecting color value of an image
Pixel characteristics, such as whether a pixel forms part of the background of an image, are evaluated by computing histograms from pixel color space components, by comparing pixel color space...
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7424462 |
Apparatus for and method of pattern recognition and image analysis
A method of comparing an input pattern with a memory pattern includes the steps of loading a representation of said input pattern into cells in an input layer; loading a representation of said...
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7424148 |
Method and system for contrast enhancement of digital video
A method for enhancing the contrast of video pictures that includes the steps of receiving an input video signal; extracting a picture from said input video signal; determining an active window for...
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7415155 |
Methods and apparatus for reversible data hiding through histogram modification
Methods and apparatus are provided for encoding a pixel domain image with hidden data by modifying the histogram of the pixel domain image to make space for such hidden data.
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7394932 |
Video signal processor and method of processing video signal
An input video signal is corrected based on a gradation correction curve. Generated first is histogram data which indicates distribution of each of a plurality of levels at which a luminance signal...
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7386181 |
Image display apparatus
An image processing apparatus includes a gradation quantization processing in a case of performing a region dividing processing in the animation of a moving picture and in an object extraction, in...
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7385731 |
Method and system for processing a multi-colour image
A method and system are provided for processing digital multi-colour images for the reproduction thereof on a colour printing and/or copying system. Particularly, the printing and/or copying system...
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7379612 |
Dynamic reconstruction of high-resolution video from color-filtered low-resolution video-to-video super-resolution
A method is provided of solving the dynamic super-resolution (SR) problem of reconstructing a high-quality set of monochromatic or color superresolved images from low-quality monochromatic, color,...
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7359573 |
Contrast compensation apparatus and method thereof
A contrast compensation apparatus and a method thereof utilize a simplified hardware structure and a low contrast distortion. The contrast compensation apparatus includes a pixel value detection...
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7359572 |
Automatic analysis and adjustment of digital images with exposure problems
Techniques and tools for analyzing and adjusting the exposure of digital images are described. For example, a computer processes a digital image by analyzing exposure data, assigning an image...
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7359092 |
Picture image input method
A picture image input method includes inputting a picture image of an object as a picture image signal. A histogram of a frequency with respect to brightness information of the picture image signal...
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7358994 |
Image processing apparatus, image processing method, recording medium thereof, and program thereof
In image processing apparatus and method for displaying and printing a person image photographed by a digital camera, it is possible to automatically correct image data and output the person image...
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7345793 |
Scan method
A scan method comprising a sensing photo module applicable in a scan apparatus for scanning a document is disclosed. The sensing photo module is equipped with photo sensors parallel to each other...
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7342572 |
System and method for transforming an ordinary computer monitor into a touch screen
A system and method for turning a regular computer monitor screen into a touch screen using an ordinary camera. It includes an image-screen mapping procedure to correct for the non-flatness of the...
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7340091 |
Method for adjusting image contrast
A method for adjusting image contrast has the steps of constructing a luminance histogram of an original image; acquiring an image characteristic of the luminance histogram; judging whether there...
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7336823 |
Method and apparatus for providing an infrared image
A method and a device to provide a full representation of an object having a wide dynamic intensive range and maintain a good sensitivity for signal levels throughout the whole intensive range is...
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7333656 |
Image processing method and image processing apparatus
An image processing method comprises forming a histogram of an entire image, determining a ratio between a reference luminance value and a reference threshold value at a maximum frequency, dividing...
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7324702 |
Image processing method, image processing apparatus, image recording apparatus, program, and recording medium
An image processing method for subjecting captured-image data outputting from an image-capturing device to an optimization processing for appreciation to produce viewing image referred image data....
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7310448 |
Image processing method, image processing apparatus, and electronic camera
An object of the present invention is to obtain an image photographed with an image-sensing device using a flash, in which the brightness of the image of the subject of the photograph is proper. An...
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7298383 |
Method and user interface for modifying at least one of contrast and density of pixels of a processed image
An image which has been subjected to image processing wherein contrast amplification and density can be specified independently is displayed on a display screen. The contrast of all pixels in the...
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7295714 |
Image processing circuit and image processing method that prevent problems occurring in image reduction
An image processing circuit reduces binary data of an original image. At least one line buffer stores data of each line of the original image. At least one line buffer stores data of each line of a...
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7292734 |
Black and white stretching system and method for improving contrast of a picture
A black and white stretching system and method for improving contrast of a picture is disclosed. The system includes a histogram distribution calculation unit for calculating a histogram...
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7289667 |
Method and apparatus for enhancing a digital image by applying an inverse histogram-based pixel mapping function to pixels of the digital image
A method and associated device wherein an inverse histogram based pixel mapping step is combined with an edge enhancement step such as unsharp masking. In such an arrangement the inverse histogram...
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7286716 |
Image quality enhancement circuit and method using inter-frame correlativity
An image quality enhancement circuit and a method using inter-frame correlativity includes a first transfer function generator calculating histogram data corresponding to a gray level distribution...
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