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| Number | Title | Issue Date |
| 8073284 | Thresholding gray-scale images to produce bitonal images Thresholding gray-scale images to produce bitonal images. In one example embodiment, a method for thresholding a gray-scale image to produce a bitonal image includes several acts. First, a first portion of gray-scale pixels of the gray-scale image are thresholded ba... | 12/06/2011 |
| RE42148 | Method and apparatus for visual lossless image syntactic encoding A visual perception threshold unit for image processing identifies a plurality of visual perception threshold levels to be associated with the pixels of a video frame, wherein the threshold levels define contrast levels above which a human eye can distinguish a pixe... | 02/15/2011 |
| 7881553 | Image processing apparatus, image processing method, and computer program product An image processing apparatus includes a threshold selecting unit that selects a threshold based on an input gray-scale value of the target pixel. When a degree of flexibility is defined as representing a degree of the number of pixels that can take different output... | 02/01/2011 |
| 7835587 | Method and apparatus for local standard deviation based histogram equalization for adaptive contrast enhancement Various embodiments for image contrast enhancement are described. In one or more embodiments, adaptive contrast enhancement may be realized by performing local standard deviation (LSD) based histogram equalization. In such embodiments, luminance (Y) values of an ima... | 11/16/2010 |
| 7787705 | Video text processing apparatus Video frames that contain text areas are selected from given video frames by removing redundant frames and non-text frames, the text areas in the selected frames are located by removing false strokes, and text lines in the text areas are extracted and binarized.... | 08/31/2010 |
| 7684637 | Method, computer program, and apparatus for detecting specific information included in image data of original image with accuracy, and computer readable storing medium storing the program An image processing apparatus includes an image input device that reads an original image and obtains image data from the original image by selecting one of plural types of image reading modes of the image input device, an image pre-processing mechanism that perform... | 03/23/2010 |
| 7432965 | Black level correcting device and electronic camera A black level correcting device includes: an A/D converting section converting a result of subtracting a feedback signal from an input pixel signal into a pixel value to be output; and a feedback controlling section generating the feedback signal and having a holdin... | 10/07/2008 |
| 7426291 | Apparatus and method for binarizing images of negotiable instruments using a binarization method chosen based on an image of a partial area An image processing apparatus, method and computer-readable data storage medium to identify and process a negotiable instrument comprising a pre-processing unit 20 to select a binarization method to be used in a main processing unit 30 based on image d... | 09/16/2008 |
| 7423789 | Contaminant particle identification and compensation with multichannel information during scanner calibration Methods of identifying the location and dimensions of a contaminant particle on a calibration strip comprise imaging a calibration strip comprising a plurality of channels and a plurality of pixel columns. The method also includes generating a normalized local avera... | 09/09/2008 |
| 7391920 | Image processing method, apparatus, and program If an edge is detected between each pair of two mutually adjacent pixels among three serially adjacent pixels in a digital image, a candidate pixel selection unit in an intermediate value pixel judgment unit selects a pixel located at the middle among the three pixe... | 06/24/2008 |
| 7385730 | Image processing apparatus, image processing method, and printing apparatus and printing system using the image processing apparatus In an apparatus for performing printing using a color ink-jet head having a plurality of ink-discharge-port strings corresponding to ink materials having different color tones, a high-quality image having excellent gradation can be recorded, while reducing the cost ... | 06/10/2008 |
| 7381963 | Radiation imaging apparatus, radiation imaging system, and program It is made possible that, in accordance with a plurality of radiographing modes such as the still image radiographing mode and the moving image radiographing mode, the outputs both in the irradiation period and in the non-irradiation period are made to fall within t... | 06/03/2008 |
| 7373010 | Method and device for post-processing digital images A method of post-processing digital images frequency transforming a set of the pixels to a set of transformed coefficients; extracting original low-frequency coefficients and original high-frequency coefficients from the set of transformed coefficients; correcting t... | 05/13/2008 |
| 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 41a. The program includes a step for detecting a characterizing part (attack part and loop part) of a waveform data that represents a waveform of a m... | 05/06/2008 |
| 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 whose amplitudes are adjusted as a function of the error-diffusion textur... | 05/06/2008 |
| 7369710 | Image processing device, image processing method and image processing program An image processing device performs an error diffusion on multilevel input image data to generate multilevel output image data that has fewer levels than the multilevel input image data. The image processing device includes a plurality of setting devices, each of wh... | 05/06/2008 |
| 7359547 | Pseudo three dimensional image generating apparatus The pseudo depth information of a subject is generated from multiple images of the subject captured with and without illumination or under various illumination intensities. A pseudo 3D image generating apparatus generates a pseudo 3D image. It includes an image stor... | 04/15/2008 |
| 7356171 | Systems and methods relating to AFIS recognition, extraction, and 3-D analysis strategies Systems, methods, etc., that that assist a print examiner to thoroughly search and compare a print or substantial portion thereof against a known print database contained within an AFIS system. In certain embodiments, the prints can be definitively matched to a corr... | 04/08/2008 |
| 7349571 | Image processing apparatus and pattern extraction apparatus A control unit selects a first labeling for a color image in a small number of colors so that the labeling is performed by clustering a color palette, and selects a second labeling for a color image in a large number of colors so that the labeling is performed by an... | 03/25/2008 |
| 7346231 | Image processing device including pixel interpolation The present invention relates to an image processing device including pixel interpolation, such as a pixel interpolation device, a line interpolation device, an image size conversion device and an image interpolation device. The pixel interpolation device acc... | 03/18/2008 |
| 7343362 | Low complexity classification from a single unattended ground sensor node Disclosed are a system and method of multi-modality sensor data classification and fusion comprising partitioning data stored in a read only memory unit on a sensor node using a low query complexity boundary-decision classifier, applying an iterative two-dimensional... | 03/11/2008 |
| 7342696 | Computational moiré compensation The amount of moiré in halftone printed images is reduced using unique moiré intensity functions and moiré vectors in a halftoner. In various embodiments, moiré phase angle zones are determined over the full field of an image and high addressability units in the... | 03/11/2008 |
| 7342684 | Image processing method and apparatus It is an object of this invention to prevent a false edge phenomenon in quantization processing for a multilevel image. In order to achieve this object, according to the invention, (1) a reference threshold (Cthreshold) to be used for error diffusion for a cyan (C) ... | 03/11/2008 |
| 7342681 | High-speed calibration method and system for an image-capture apparatus The present invention provides a calibration method and circuit for outputting an average calibration value used in an image-capture apparatus. The calibration circuit comprises difference means accepting a plurality of digital signals from capturing a pixel of a ca... | 03/11/2008 |
| 7339619 | Image pickup system and image processing program for performing correction on chroma signal A color signal of a primary color or a color signal of a complementary color is converted from a CCD to signals in a color space having an intensity, a hue and a chroma. Tone conversion is performed on a luminance signal. A chroma correction coefficient is calculate... | 03/04/2008 |
| 7339627 | Method and system for automatic detection and display of aspect ratio Certain embodiments of the invention may be found in a method and system for automatic aspect ratio detection and may comprise scanning lines in at least a selected portion of an image and locating a first reference pixel in one of the scanned lines. A corresponding... | 03/04/2008 |
| 7336812 | System for microvolume laser scanning cytometry The present invention provides an improved integrated system for biological marker identification. The system uses Microvolume Laser Scanning Microscopy (MLSC) in order to measure patterns of expression of biological markers in biological fluids. The system includes... | 02/26/2008 |
| 7333238 | Rendering a printing device pixel map A device and method to render a page in a printing device are described. In an implementation, an object to be rendered onto the pixel map is converted from a description in pixel coordinates to a representation in lower resolution surface units. The lower resolutio... | 02/19/2008 |
| 7330291 | Dither mask creating method and creating device In a computer generation of a dither mask for conversion of a continuous-tone image into a halftone image, a pixel array having a size in accordance with the dither mask is partitioned into blocks. Initial pixel values are determined such that the occurrences of pix... | 02/12/2008 |
| 7321684 | Method for setting dominant color using spatial coherency A method is provided for setting a dominant color using a spatial coherency in order to improve performance of an image search function. The method includes describing an image region based on several dominant colors, a frequency of each dominant color, and a spatia... | 01/22/2008 |
| 7319549 | Multiple weight error diffusion A method for halftoning includes the steps of defining a first set of weight sets, and defining a second set of weight sets. A first error associated with a first pixel location of a plurality of pixel locations is diffused to a first neighboring at least one pixel ... | 01/15/2008 |
| 7319787 | Automatic contrast enhancement A method of automatic contrast correction comprises providing digital image data, representing the data in the form of a brightness histogram, determining a measure of central tendency for said histogram, adding a shift value to the measure of central tendency to pr... | 01/15/2008 |
| 7317559 | Imaging device and imaging method for use in such device An imaging device which assures high-quality image information free from a line noise by extracting line noise information from a taken image, detecting an existence of an extrinsic line noise in the image, and correcting the line noise if it exists. The imaging dev... | 01/08/2008 |
| 7315395 | Image processing apparatus, image processing method, program for implementing the method, and storage medium There is provided an image processing apparatus which enables high-speed processing with simplified multiplications and divisions even in the case of error diffusion comprised of a combination of processes of two or more colors. The image processing apparatus perfor... | 01/01/2008 |
| 7315399 | Image forming apparatus and image forming method An input section performs a color conversion process, etc. for image data from a color scanner section. A discrimination section generates a discrimination signal representative of “character”, “non-character”, etc. on the basis of an image signal from the i... | 01/01/2008 |
| RE39985 | Information reproducing system, information recording medium, and information recording apparatus A binarizing section generates binarized data from an image signal of a dot code on an information recording medium read by a code reading section. The binarizing section has a reference dot detection section, a dot area measuring section, a threshold value modifyin... | 01/01/2008 |
| 7312901 | Image processing apparatus, image processing method, and program In an image processing apparatus which performs an error diffusion process to multivalued image data consisting of plural density components and outputs a result of the error diffusion process, the process result from a first error diffusion unit performing the erro... | 12/25/2007 |
| 7310406 | Inspection method and system for and method of producing component mounting substrate On a production line for component mounting substrate, mutually communicating inspection apparatus are each provided to a different one of production processes that are carried out sequentially such as the solder printing, component mounting and soldering processes.... | 12/18/2007 |
| 7304648 | Generating one or more linear blends A method (1005) generates one or more linear blends. Initially, the method has a list of already received one or more fill-paths defining a current linear blend, and a newly received fill-path, where the fill-paths each comprise a single colored parallelogram... | 12/04/2007 |
| 7301674 | Translation of an input pixel value to an output pixel value A device to translate an input pixel value to an output pixel value for a current pixel includes a diffusion block to produce a diffusion error to add to the input pixel value to produce a diffused pixel value. In addition, the device includes a feedback modulation ... | 11/27/2007 |
