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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/262
Name: Image analysis > Image enhancement or restoration > Image filter > Median filter
Description: Subject matter wherein a gray level of each pixel* in an image is replaced by the median of the gray levels in a neighborhood of that pixel*.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712181 Real-time application of filters based on image attributes Apr. 29, 2014
8705134 Method of processing an image to clarify text in the image Apr. 22, 2014
8687124 Signal processing device, integrated circuit, control program, and computer readable recording medium Apr. 1, 2014
8687912 Adaptive overshoot control for image sharpening Apr. 1, 2014
8675087 Image pickup apparatus and control method for correcting data output from pixels of an image pickup element Mar. 18, 2014
8666189 Methods and apparatus for flat region image filtering Mar. 4, 2014
8666172 Providing multiple symmetrical filters Mar. 4, 2014
8639055 Automated underwater image restoration via denoised deconvolution Jan. 28, 2014
8594445 Fast bilateral filtering using rectangular regions Nov. 26, 2013
8588551 Multi-image sharpening and denoising using lucky imaging Nov. 19, 2013
8577167 Image processing system and spatial noise reducing method Nov. 5, 2013
8559749 Audiovisual content delivery system Oct. 15, 2013
8532170 Enhanced presentation of sub-picture information Sep. 10, 2013
8520969 Digital image processing apparatus and method Aug. 27, 2013
8482627 Information processing apparatus and method Jul. 9, 2013
8477218 Method for correcting the space noise of an image sensor by luminescence limitation Jul. 2, 2013
8457418 Local area contrast enhancement Jun. 4, 2013
8452117 Block noise detection and filtering May. 28, 2013
8437568 Automated underwater image restoration via denoised deconvolution May. 7, 2013
8437569 Automated underwater image restoration via denoised deconvolution May. 7, 2013
8400694 Image forming apparatus to save toner and method to control the same Mar. 19, 2013
8374456 Method for synthesizing a virtual image from a reduced resolution depth image Feb. 12, 2013
8369644 Apparatus and method for reducing motion blur in a video signal Feb. 5, 2013
8311359 Registering brain images by aligning reference ellipses Nov. 13, 2012
8306351 Apparatus and method for filtering noise in image signal Nov. 6, 2012
8306262 Face tracking method for electronic camera device Nov. 6, 2012
8301220 Medical system comprising a detection device for detecting an object and comprising a storage device and method thereof Oct. 30, 2012
8289412 Apparatus and methods for boosting dynamic range in digital images Oct. 16, 2012
8270752 Depth reconstruction filter for depth coding videos Sep. 18, 2012
8265413 Digital image degraining filter and method Sep. 11, 2012
8249395 System, method, and computer program product for picture resizing Aug. 21, 2012
8223264 Method for video deinterlacing and format conversion Jul. 17, 2012
8224091 Image processing apparatus, method of controlling the same, and program for extracting information usable for a search Jul. 17, 2012
8224110 Image processing apparatus and image processing method Jul. 17, 2012
8208747 Method of filtering a target pixel on the basis of filtered peripheral pixels to remove detected dust portions on an image Jun. 26, 2012
8206302 Method and apparatus for filling doppler signal gaps in ultrasound diagnostic imaging Jun. 26, 2012
8204108 Apparatus and method for detecting letter box, and MPEG decoding device having the same Jun. 19, 2012
8204328 Automated underwater image restoration via denoised deconvolution Jun. 19, 2012
8199385 Image forming apparatus to save toner and method to control the same Jun. 12, 2012
8189073 Tone adjustment method for digital image and electronic apparatus using the same May. 29, 2012
8189943 Method for up-sampling depth images May. 29, 2012
8189944 Fast edge-preserving smoothing of images May. 29, 2012
8189952 Image noise reduction method based on local correlation May. 29, 2012
8180169 System and method for multi-scale sigma filtering using quadrature mirror filters May. 15, 2012
8174624 Image processing apparatus and image processing method May. 8, 2012
8144252 Noise reduction apparatus and noise reduction method Mar. 27, 2012
8107759 Method of detecting low luminance noise and image compression apparatus using the same Jan. 31, 2012
8098952 Method and device for removing image noise based on the median filter Jan. 17, 2012
8090213 Image processing device and method Jan. 3, 2012
8059910 Image processing method for removing noise from an image Nov. 15, 2011

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