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Class Information
Number: 358/447
Name: Facsimile and static presentation processing > Facsimile > Specific signal processing circuitry > Signal enhancing
Description: Subject matter including circuitry for modifying or operating on selected portions of the signal to restore or improve detail in the reproduced image.

Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8693042 Image copying method and device Apr. 8, 2014
8659766 Image reading apparatus, multifunction printer, and image reading method Feb. 25, 2014
8659618 Noise-robust edge enhancement system and method for improved image sharpness Feb. 25, 2014
8610963 Image corner sharpening method and system Dec. 17, 2013
8582909 Adaptive multi-grid contrast optical flow Nov. 12, 2013
8576447 Error diffusion halftoning with bandpass noise shaping Nov. 5, 2013
8553293 Image interpolation apparatus and a computer readable storage medium storing instructions of a computer program Oct. 8, 2013
8531736 Image processing apparatus and image processing method Sep. 10, 2013
8525876 Real-time embedded vision-based human hand detection Sep. 3, 2013
8515196 Systems and methods for processing infrared images Aug. 20, 2013
8373892 Managing modulation transfer function values for image data Feb. 12, 2013
8368980 Image processing apparatus and image processing method Feb. 5, 2013
8368814 Visual processing device, display device, and integrated circuit for adjusting the contrast of an image Feb. 5, 2013
8358868 Image processing apparatus, image processing method, image extending apparatus, image compressing apparatus, image transmitting system, and storage medium Jan. 22, 2013
8334884 Method of calculating correction value and display device Dec. 18, 2012
8310731 Image forming apparatus and image forming method Nov. 13, 2012
8300977 Imaging device and image processing program for estimating fixed pattern noise from partial noise output of available pixel area Oct. 30, 2012
8289342 Image processing apparatus and storage medium having stored therein an image processing program Oct. 16, 2012
8279504 Image reading apparatus capable of reading both sides of a document Oct. 2, 2012
8264746 Image sensor Sep. 11, 2012
8265409 Edge preservation image processing device and image processing method Sep. 11, 2012
8259364 Image sensor Sep. 4, 2012
8253985 Image registration parameters and confidence estimation from sensor data Aug. 28, 2012
8229240 Transferring the look of an image Jul. 24, 2012
8228560 Image contrast enhancement Jul. 24, 2012
8208171 Image reading apparatus and method to prevent image erasing due to erroneously line-shaped noise detection Jun. 26, 2012
8155470 Device for removing noise in image data Apr. 10, 2012
8150190 Printing device, image data file processing device, method of selecting image data file, and computer program product Apr. 3, 2012
8098331 Video-data processing apparatus for achieving edge-smoothing and method of processing video data Jan. 17, 2012
8072650 Automated focus adjustment using a varying light pattern Dec. 6, 2011
7969620 Image reader and method of calibrating thereof Jun. 28, 2011
7961362 Method and apparatus for phase correction in a scanned beam imager Jun. 14, 2011
7940426 Image processing apparatus, an image processing method, a medium on which an image processing control program is recorded, an image evaluation device, an image evaluation method and a medium o May. 10, 2011
7940431 Image scanner and peak detecting processing method of image scanner May. 10, 2011
7920754 Television image filtering Apr. 5, 2011
7889940 Film grain generation and addition Feb. 15, 2011
7880814 Visual processing device, display device, and integrated circuit Feb. 1, 2011
7867548 Thermal ejection of solution having solute onto device medium Jan. 11, 2011
7801386 Method for bilateral filtering of digital images Sep. 21, 2010
7791769 Method for providing film image and image display apparatus providing the film image Sep. 7, 2010
7782505 Image reading apparatus and control method therefor Aug. 24, 2010
7777759 Image processing apparatus and image display apparatus using same Aug. 17, 2010
7773270 Image scanner feature detection Aug. 10, 2010
7773158 Visual processing device, display device, and integrated circuit Aug. 10, 2010
7764412 Image scanner and signal processing method Jul. 27, 2010
7751095 Image scanning apparatus scanning color original document while conveying the same and color determination method Jul. 6, 2010
7746515 Circuit for detecting a clock error in a swept-beam system and related systems and methods Jun. 29, 2010
7710612 Method of effacing zipper image May. 4, 2010
7688331 Method and system for color correction of image signals Mar. 30, 2010
7656564 Apparatus and method for compensating for pixel distortion in reproduction of hologram data Feb. 2, 2010

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