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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/263
Name: Image analysis > Image enhancement or restoration > Image filter > Highpass filter (i.e., for sharpening or enhancing details)
Description: Subject matter wherein low-frequency components of the image are attenuated or eliminated.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8692939 Method and apparatus for improving image quality Apr. 8, 2014
8693777 Apparatus and method for estimating edge areas of digital image Apr. 8, 2014
8687907 Image processing apparatus and image processing method Apr. 1, 2014
8687912 Adaptive overshoot control for image sharpening Apr. 1, 2014
8687913 Methods and apparatus for image deblurring and sharpening using local patch self-similarity Apr. 1, 2014
8681187 Image processing apparatus, non-transitory storage medium storing image processing program and image processing method Mar. 25, 2014
8682094 Adaptive subpixel-based downsampling and filtering using edge detection Mar. 25, 2014
8666172 Providing multiple symmetrical filters Mar. 4, 2014
8655101 Signal processing device, control method for signal processing device, control program, and computer-readable storage medium having the control program recorded therein Feb. 18, 2014
8643777 Pixel interpolation with edge detection based on cross-correlation Feb. 4, 2014
8639055 Automated underwater image restoration via denoised deconvolution Jan. 28, 2014
8634027 Video signal processing apparatus, enhancement gain generating method, and enhanced gain generating program Jan. 21, 2014
8629883 Method and system for generating online cartoon outputs Jan. 14, 2014
8630504 Auto-focus image system Jan. 14, 2014
8615126 Method for performing pattern decomposition based on feature pitch Dec. 24, 2013
8606034 Apparatus for improving sharpness of image Dec. 10, 2013
8594436 Method and circuit for detecting edge of fixed pattern Nov. 26, 2013
8594445 Fast bilateral filtering using rectangular regions Nov. 26, 2013
8594448 Bi-selective filtering in transform domain Nov. 26, 2013
8588551 Multi-image sharpening and denoising using lucky imaging Nov. 19, 2013
8582914 Tone mapping with adaptive slope for image sharpening Nov. 12, 2013
8582913 Enhancing dynamic ranges of images Nov. 12, 2013
8582912 Systems and methods for calculating image sharpness measurements Nov. 12, 2013
8577167 Image processing system and spatial noise reducing method Nov. 5, 2013
8571305 Image processing device for enhancing stereoscopic sensation of an image using a depth image and method thereof Oct. 29, 2013
8571347 Reducing digital image noise Oct. 29, 2013
8565547 Infrared resolution and contrast enhancement with fusion Oct. 22, 2013
8565529 Methods for identifying imaging devices and classifying images acquired by unknown imaging devices Oct. 22, 2013
8565311 Image processing apparatus and method thereof Oct. 22, 2013
8558999 Defect inspection apparatus and method utilizing multiple inspection conditions Oct. 15, 2013
8559745 Image signal processor and method for image enhancement Oct. 15, 2013
8559749 Audiovisual content delivery system Oct. 15, 2013
8548252 Edge detection Oct. 1, 2013
8547394 Arranging and processing color sub-pixels Oct. 1, 2013
8542233 Systems and methods for photogrammetric rendering Sep. 24, 2013
8537234 Image restoration with enhanced filtering Sep. 17, 2013
8538163 Method and system for detecting edges within an image Sep. 17, 2013
8538190 Apparatus, method, and recording medium for reduced noise image processing Sep. 17, 2013
8532170 Enhanced presentation of sub-picture information Sep. 10, 2013
8532428 Noise reducing apparatus, noise reducing method, and noise reducing program for improving image quality Sep. 10, 2013
8526765 Super-resolution processor and super-resolution processing method Sep. 3, 2013
8526753 Method of enhancing the contrast of an image Sep. 3, 2013
8520133 Imaging apparatus and method Aug. 27, 2013
8520970 Infrared resolution and contrast enhancement with fusion Aug. 27, 2013
8508548 Subpixel rendering area resample functions for display device Aug. 13, 2013
8508672 System and method for improving video image sharpness Aug. 13, 2013
8509560 Method, apparatus and integrated circuit for improving image sharpness Aug. 13, 2013
8498019 Image forming apparatus that emphasizes a boundary between two objects using a halftoning process Jul. 30, 2013
8487997 Method for displaying an image recorded by a video camera Jul. 16, 2013
8482627 Information processing apparatus and method Jul. 9, 2013

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