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| Number | Title | Issue Date |
| 8189914 | Image forming apparatus and control method thereof An image forming apparatus and a control method thereof include an adaptive threshold, which can be adapted for every block dividing an entire scanned region of a document, is set. A brightness value of original brightness data of the document is disregarded, and is... | 05/29/2012 |
| 8126267 | Methods and apparatuses for analyzing digital images to automatically select regions of interest thereof Computer-implemented image processing methods and apparatuses are presented for automatically selecting regions of interest within an image represented by pixel intensity values. A first pixel box is employed in progressively scanning and evaluating the image. If pi... | 02/28/2012 |
| 8027534 | Image processing apparatus, image processing method, and program An image processing apparatus comprising: background generation means for generating, on each of corresponding pixel positions of more than one input image, a pixel value involved in a predetermined distribution among pixel values of the input images as a background... | 09/27/2011 |
| 7936921 | Efficient fixed-point real-time thresholding for signal processing A method for efficiently calculating signal thresholds for use in signal processing is described. The method computes and stores a cumulative histogram and a weighted cumulative histogram. The method then provides a first estimate for a threshold based on a single r... | 05/03/2011 |
| 7450757 | Image processing device and image processing method Distribution data is generated by a distribution data generation portion, a second range is specified by a specifying portion, the second range is mapped to a first range by a mapping portion, and third image data is generated by performing binarization based on a t... | 11/11/2008 |
| 7436977 | Embedding variable watermark information in halftone screens Using correlated stochastic screens, time stamps, text messages, logos and other variable data can be incorporated into printed halftone images in real-time as invisible watermarks. A reference stochastic screen, which is suitable for halftoning the input image, is ... | 10/14/2008 |
| 7433495 | Automatic detection and tracking of multiple individuals using multiple cues Automatic detection and tracking of multiple individuals includes receiving a frame of video and/or audio content and identifying a candidate area for a new face region in the frame. One or more hierarchical verification levels are used to verify whether a human fac... | 10/07/2008 |
| 7425704 | Inspection method and apparatus using an electron beam An inspection method and apparatus irradiates a sample on which a pattern is formed with an electron beam, so that an inspection image and a reference image can be generated on the basis of a secondary electron or a reflected electron emitted by the sample. An abnor... | 09/16/2008 |
| 7418133 | Image correction systems and methods thereof Systems and methods thereof for image correction are provided in an exemplary method, an image is received and pixels therein are read. A frequency value is calculated for each of the color scale values, representing how many pixels correspond to each of the color s... | 08/26/2008 |
| 7415143 | Methods and systems for the detection of malignant melanoma The present invention relates to the detection of malignant melanoma. In particular, the present invention relates to systems and methods for the early detection of cancerous lesions. ... | 08/19/2008 |
| 7411698 | Method and device for detecting a color cast in an image Given an image converted into a chromatic space (101), a method is used for identifying a color cast (i.e. a dominant color), through statistical analysis (105) of the distribution on an color plane of the chromatic space of the color histogram of a re... | 08/12/2008 |
| 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 is capable of complementary forming registered composite multi-colou... | 06/10/2008 |
| 7379562 | Determining connectedness and offset of 3D objects relative to an interactive surface A position of a three-dimensional (3D) object relative to a display surface of an interactive display system is detected based upon the intensity of infrared (IR) light reflected from the object and received by an IR video camera disposed under the display surface. ... | 05/27/2008 |
| 7359100 | Image correction method, program, and apparatus An image correction method of this invention includes a step of identifying a first pixel that satisfies one of predetermined conditions as to a pixel level, which are set for each color component, among pixels included in a specific image; a step of identifying a s... | 04/15/2008 |
| 7349575 | Pattern inspection method and apparatus, and pattern alignment method In a pattern inspection method, a master pattern serving as a reference and the continuous tone image of a pattern to be measured that is sensed by a camera are aligned. At least the position of a base in the continuous tone image of the pattern to be measured is de... | 03/25/2008 |
| 7346207 | 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 corresponding portions of two images, automatically sets a threshold value based on the distribution thereof, compares the gray level difference with the threshold value... | 03/18/2008 |
| 7343040 | Method and system for modifying a digital image taking into account it's noise A system and a method for calculating a transformed image from a digital image and from formatted information related to defects of an appliance chain for image capture and/or restitution. The system and method provide for automatically determining the characteristi... | 03/11/2008 |
| 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 is a peak wave or deviation of luminance existed in that image charact... | 03/04/2008 |
| 7340093 | Luminescent intensity analysis method and apparatus An image including a signal component and a background component is digitized into a brightness distribution and is divided into the signal component and the background component. An optimized threshold gradient value is previously determined and is used for creatin... | 03/04/2008 |
| 7336825 | Segmenting a composite image via minimum areas A method and device are provided for segmenting an image of pixels into a number of fields. First the method finds field separators using the background of the image, in particular white areas between, for instance, text fields. The segmenting includes constructing:... | 02/26/2008 |
| 7336826 | Method for finding optimal threshold for image segmentation A method for finding the optimal threshold for image segmentation in image recognition is disclosed. The method includes the steps of: a) gaining histogram distribution of an image; b) computing entropy values corresponding to gray levels in the histogram; and c) ga... | 02/26/2008 |
| 7336815 | 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 corresponding portions of two images, automatically sets a threshold value based on the distribution thereof, compares the gray level difference with the threshold value... | 02/26/2008 |
| 7333633 | Inter-frame video techniques for behavioral analysis of laboratory animals The present invention provides for making a comparison between a first video frame and a second video frame to determine the extent of a fear reaction in a test animal. Frame comparison logic is configured to quantify any change of a value associated with at least o... | 02/19/2008 |
| 7330581 | Image defect inspection method, image defect inspection apparatus and appearance inspection apparatus A new image defect inspection method and a new image defect inspection apparatus capable of being used for automatic setting of a threshold value for an appearance inspection apparatus with a high throughput have been disclosed. According to the image defect inspect... | 02/12/2008 |
| 7330600 | Image processing device estimating black character color and ground color according to character-area pixels classified into two classes A character area is extracted from an original image, which is a digital image, according to a feature value calculated with respect to the original image. Pixels belonging to the extracted character area are classified into a first class and a second class accordin... | 02/12/2008 |
| 7327882 | Method and device for character location in images from digital camera The invention is a method for locating characters in digital images, using an image layering process. The method includes the transforming the digital data of the digital image into normalized digital color image data and into digital grayscale image data; discardin... | 02/05/2008 |
| 7321688 | Image processor for character recognition In image processing of a document having image data of a document including an image with character images on a background image, the character images and the background image thereof are separated. First, areas in correspondence to the character images from the ima... | 01/22/2008 |
| 7317828 | Color image processing apparatus with background control In an image processing apparatus, a compression processor compresses a color image data, a storage device stores the compressed data, and an expansion processor expands the data read from the storage device. A first background controller controls background of the c... | 01/08/2008 |
| 7312794 | Methods for driving electro-optic displays, and apparatus for use therein A bistable electro-optic display has a plurality of pixels, each of which is capable of displaying at least three gray levels. The display is driven by a method comprising: storing a look-up table containing data representing the impulses necessary to convert an ini... | 12/25/2007 |
| 7298897 | Optimal binarization of gray-scaled digital images via fuzzy reasoning A technique for finding an optimal threshold for binarization of a gray scale image employs fuzzy reasoning. A triangular membership function is employed which is dependent on the degree to which the pixels in the image belong to either the foreground class or the b... | 11/20/2007 |
| 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 based on decoded data, and after the respective levels and frequencies of... | 11/20/2007 |
| 7298898 | System and method for image segmentation An image segmentation apparatus, preferably integrally implemented in a device such as an FPGA, including a buffer memory for storing pixel data, a digital filter in communication with the buffer memory, the digital filter having programmable coefficients, a histogr... | 11/20/2007 |
| 7289236 | Apparatus, program, and method for managing duplicate images based on the image properties The image management apparatus, image management program, and image management method are provided for obtaining image and sending it to a communication device or recording it in a recording medium if the image to be obtained has a larger amount of information than ... | 10/30/2007 |
| 7283676 | Method and device for identifying objects in digital images In a method for identifying objects in a digital image which is included in a sequence of images, luminance values of a current digital image are compared with at least one threshold value in order to create a current binarized image on the basis of the comparison. ... | 10/16/2007 |
| 7280688 | 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... | 10/09/2007 |
| 7280708 | Method for adaptively encoding motion image based on temporal and spatial complexity and apparatus therefor A method and an apparatus adaptively encode a motion image based on temporal and/or spatial complexity. In the method, encoding is performed with different temporal and spatial resolutions at frame rates based on the temporal and/or spatial complexity of an input im... | 10/09/2007 |
| 7263242 | Method for detecting repetitive surfaces in an optical mouse A repetitive surface detector includes an image capture device capturing an image. An autocorrelator receives the image and generates a signal indicative of a repetitive background of the image. A controller determines a maximum and minimum value in the auto-correla... | 08/28/2007 |
| 7257248 | Non-contact measurement system and method A system and method for non-contact measurement of a complex part is provided. The method comprises acquiring an image of the complex part including imposed laser lines on the complex part using at least one imaging device, determining a span of interest of the comp... | 08/14/2007 |
| 7254276 | Noise reduction in image capturing apparatus An image capturing apparatus for capturing an image of a subject; has: an image pick-up unit for acquiring the image; and a noise reduction unit which removes a frequency component of a color difference signal of the image corresponding to a frequency component of a... | 08/07/2007 |
| 7253924 | Method of imaging multiple binary bitmaps in a single pass A method for printing multiple binary bitmaps (10) with an original density level (12a) and a color (18), wherein the color (18) is the same for all the multiple binary bitmaps (10), by combining “n” number of binary bit... | 08/07/2007 |
