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| Number | Title | Issue Date |
| 8098949 | Method and system for imaging with a zoom An imaging system and method are presented for use in imaging with zoom. The system comprises a pixel detector array (PDA), an optical focusing arrangement, and a spatial filter configured and operable to selectively switch between at least two transmitting states. ... | 01/17/2012 |
| 8090212 | Method, apparatus, and system for reducing blurring of an image using multiple filtered images A method of processing an image includes determining at least one point spread function for the image. For each point spread function, the image, or at least a portion of the image, is filtered using at least one filter based on that point spread function to generat... | 01/03/2012 |
| 8090210 | Recursive 3D super precision method for smoothly changing area An image processing system implements recursive 3D super precision for processing smoothly changing video image areas by performing temporal noise reduction and then 2D super precision. The temporal noise reduction is applied to two frames, one being the current inp... | 01/03/2012 |
| 8090211 | Device for reducing impulse noise and method thereof The present invention provides a device and a method for reducing impulse noise. The device includes a signal intensity detector, an intensity difference calculator, and a filtering circuit. The signal intensity detector receives an image signal and determines a fir... | 01/03/2012 |
| 8086062 | Content-adaptive filter technique Selection of a filter for filtering an image to achieve fast noise reduction while retaining picture details and edge sharpness begins by first determining the detail throughout the image. Detection of the image edges then occurs. Using the image detail and edge inf... | 12/27/2011 |
| 8081835 | Multiprimary color sub-pixel rendering with metameric filtering Systems and methods of rendering image data to multiprimary displays that adjusts image data across metamers are herein disclosed. The metamer filtering may be based upon input image content and may optimize sub-pixel values to improve image rendering accuracy or pe... | 12/20/2011 |
| 8077997 | Method and apparatus for image processing An image processing method and an image processing apparatus are provided. After receiving an image signal, the image and apparatus according to the invention first judge whether a target block in the image signal includes a non-chroma line. If the judging result is... | 12/13/2011 |
| 8077996 | Video processing method and apparatus based on smooth detection The present invention discloses a video processing apparatus. The video processing apparatus includes a smooth detecting module and a video processing module. The smooth detecting module categorizes a target position in a target image of a video data as a smooth pos... | 12/13/2011 |
| 8073282 | Scaling filter for video sharpening A device has a single scaling filter to filter a video signal once to perform both sharpening and scaling. A memory stores original scaling filter coefficients for the scaling filter. An integrated circuit calculates new sharpening-scaling filter coefficients derive... | 12/06/2011 |
| 8064713 | Data processing device that executes retinex processing When a logarithmic spiral function curve exists at a position specified by variables, a filter coefficient corresponding to the position is obtained through calculation using Gaussian function stored in a Gaussian function memory, and the filter coefficient is store... | 11/22/2011 |
| 8059907 | Constant variance filter Systems and methods associated with a constant variance filter are described. One system embodiment includes a memory to store a spatially dependent filtered data set having a first degree of homogeneity. The system embodiment may also include a filter logic to prod... | 11/15/2011 |
| 8059908 | Adaptive area of influence filter for irregular spatial sub-sampled images A sample cell corresponding to a sample is computed to include pixels of an image according to sample cell criteria and shape. The sample cell shape and criteria define pixels to include in the sample cell. A target pixel cell corresponding to a target pixel include... | 11/15/2011 |
| 8055091 | Method of filtering pixels in a video encoding process A method and apparatus, particularly suited to SIMD instruction sets, to filter streaming video information encoded under a predictive encoding algorithm specified under video encoding standards, such as MPEG 4 or H.264/AVC. The filtering operation de-blocks or remo... | 11/08/2011 |
| 8050508 | Detecting method and system of compression-related noise levels A detecting system and method of compression-related noise levels is provided to produce a compressed index of an image. A line buffer temporarily stores a pixel (i, j) and neighboring pixels. An edge filter calculates an edge index for the pixel (i, j). A line filt... | 11/01/2011 |
| 8045819 | Efficient implementation of mirror-mode edge handling in image filtering A method of filtering image data is described. In one embodiment, the method includes storing in line buffers image data corresponding to a plurality of rows of an image; filtering image data on one row of multiple of rows; and filtering image data on another row of... | 10/25/2011 |
| 8041142 | Method and device for reconstructing images A method for reconstruction of an image function (r), which represents an object function (ƒ) of an object (1) imaged with periodically structured illumination, from optical section images (gc, gs), which are formed following convolutio... | 10/18/2011 |
| 8041143 | Methods for background and noise suppression in binary to grayscale image conversion One embodiment is a method for suppressing background inaccuracies in binary to grayscale image conversion. A binary image is converted to a grayscale image using a neighbor map. An image enhancement function is applied to the grayscale image to suppress background ... | 10/18/2011 |
| 8036483 | Couplet correction in image sensors A digital filtering algorithm preprocesses couplet defects prior to their being operated on by a main filtering algorithm that focuses on singlet defects. The preprocessing involves the replacement of one of the defective pixel values in the couplet with a pixel val... | 10/11/2011 |
| 8031963 | Noise filter Provided is a system and method for processing data and images including, but not limited to separating data into a plurality of data planes; performing noise analysis to determine an average noise amplitude and noise distribution for each data plane via a gradient ... | 10/04/2011 |
| RE42747 | Filtering control method for improving image quality of bi-linear interpolated image The present invention relates to an interpolation method for enlarging a digital image or predicting a moving vector of a compressed image system as a sub-pixel unit when the image digitized through a CCD (Charge Coupled Device) camera ect. has a low resolution in a... | 09/27/2011 |
| 8023762 | Apparatus for removing noise of video signal An apparatus for removing a noise of a video signal is discussed, by which a noise level can be effectively estimated to enhance an image quality of the video signal, by which the noise can be removed in a manner of effectively estimating a noise level though motion... | 09/20/2011 |
| 8023761 | Apparatus for removing noise of video signal An apparatus for removing a noise of a video signal is disclosed, by which a noise level can be effectively estimated to enhance an image quality of the video signal, by which the noise can be removed in a manner of effectively estimating a noise level though motion... | 09/20/2011 |
| 8023760 | System and method for enhancing low-visibility imagery A method includes the steps of selecting an image filtering technique, receiving an image from an image source, processing the received image to provide a processed image, and displaying the processed image to a user. Processing the received image includes the steps... | 09/20/2011 |
| 8014624 | Method, arrangement, and software for optimizing the image quality of movable subjects imaged with a microscope A method and an arrangement for optimizing the image quality of movable subjects imaged with a microscope system are proposed. The microscope system encompasses at least one objective that defines an image window. Motions of the subjects being observed are captured ... | 09/06/2011 |
| 8005310 | Method and device for interpolation and correction of an image In a method or device for interpolation and correction of a digital image, the source image is mapped to a target image with a FIR filter that comprises a plurality of filter coefficients, the filter coefficients comprising both information for interpolation and inf... | 08/23/2011 |
| 8005311 | Image processing apparatus, image processing method, and recording medium An image processing apparatus includes a filter processing unit configured to perform filter processing that emphasizes high-frequency components of an input image, a value limit calculation unit configured to calculate value limits that define a range of pixel valu... | 08/23/2011 |
| 8005312 | System and method for implementing graphics and video scaling algorithm using interpolation based on symmetrical polyphase filtering A video processing system may implement a video scaling algorithm using interpolation based on polyphase filtering. A video or graphics scaler may be utilized to scale luma, chroma, and/or alpha information in a video image. The scaler may comprise a first polyphase... | 08/23/2011 |
| 8000551 | Method and apparatus for adjusting the contrast of an image A method and apparatus adjusts the contrast of an input image formed of pixels. Each pixel in the input image has an input brightness level. At least some of the pixels in the output or enhanced image have an output brightness level that is different from their inpu... | 08/16/2011 |
| 7995855 | Image processing method and apparatus A method of processing an image includes traversing pixels of an image in a single pass over the image. An inverting function is applied to the pixels. A recursive filter is applied to the inverted pixel values. The filter has parameters which are derived from previ... | 08/09/2011 |
| 7995854 | System and method for identifying complex tokens in an image In a first exemplary embodiment of the present invention, an automated, computerized method is provided for processing an image. According to a feature of the present invention, the method comprises the step of performing a filter response technique to identify patc... | 08/09/2011 |
| 7983504 | Sign coring for contour reduction A method for contour reduction in a digital picture is disclosed. The method generally includes the steps of (A) buffering a plurality of luma samples in a current line of the digital picture, each of the luma samples having a respective input value, (B) calculating... | 07/19/2011 |
| 7983503 | Advanced noise reduction in digital cameras A noise reduction apparatus is presented that includes groups of one or more serially connected non-linear filter units. Each of the filter unit groups are driven by decimated input image data at a different level of decimation and the output of at least one of thes... | 07/19/2011 |
| 7974488 | Matching pursuits basis selection Briefly, in accordance with one embodiment, a method of designing a basis selection for matching pursuits is described. ... | 07/05/2011 |
| 7974489 | Buffer management for an adaptive buffer value using accumulation and averaging An optical imaging system with dynamic buffer management is described. Embodiments of the optical imaging system include an image sensor, a buffer, and a buffer mode controller. The image sensor includes a pixel array to read out a plurality of pixel lines for a fra... | 07/05/2011 |
| 7970230 | Image processing with minimization of ringing artifacts and noise A method of reducing ringing artifacts in image data that has been filtered with a high frequency emphasis filter. For each filtered data value, a local variance is calculated from data values at neighboring filter taps. This variance is compared to a threshold, and... | 06/28/2011 |
| 7961971 | Method and apparatus for performing parallel box filtering in region based image processing A method and apparatus for performing parallel box filtering in region based image processing is provided. The method of performing parallel box filtering in region based image processing includes selecting parallel pixel blocks having a size of M×N to be operated ... | 06/14/2011 |
| 7949198 | Fast response discrete time infinite impulse response (IIR) filter An infinite impulse response (IIR) filter provides fast response time without significant effects of ringing or overshoot. In a first step, an input signal is received and a preliminary output signal is computed based upon at least the input signal and a prior outpu... | 05/24/2011 |
| 7933465 | Processing data supply method and image processing apparatus When performing arithmetic processing on unprocessed image data with use of a target pixel and reference pixels in its proximity, buffers of a number corresponding to the number of lines required for the arithmetic processing, which are a first buffer and a second b... | 04/26/2011 |
| 7925110 | System and method for filtering a point cloud A method for filtering a point cloud is provided. The method includes: (a) acquiring a point cloud of an object from a point cloud obtaining device; (b) establishing a topological structure for the point cloud; (c) selecting a maiden point from the point cloud as a ... | 04/12/2011 |
| 7920754 | Television image filtering A digital image filtering method and system are provided. A first matrix of a plurality of pixels is selected from a digital image to be displayed. The luminosity values of each of the pixels in the pixel matrix are analysed and the luminosity difference between the... | 04/05/2011 |
