Patents
Patents for G06T 5 - Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image (36,832)
12/1994
12/20/1994US5375194 Method and apparatus for reducing distortion in a graphic pattern by a thinning process
12/20/1994US5375177 Method of identifying and characterizing a valid object by color
12/20/1994US5375077 Digital signal processor having reduced bus pre-charging operations
12/20/1994US5375000 Method and apparatus for generating representation of an image from a transparency
12/20/1994US5374995 Method and apparatus for enhancing sharpness of a sequence of images subject to continuous zoom
12/20/1994CA1333636C Apparatus and method for transforming a digitized signal of an image
12/15/1994DE4321624C1 Method of digital removal of micro-defects in photographs
12/14/1994EP0629079A1 Halftone images using printed symbols modelling
12/14/1994EP0629078A1 Apparatus for processing and reproducing image information
12/14/1994EP0629044A1 Digital signal processing
12/14/1994EP0628233A1 Video image processing
12/14/1994EP0628189A1 Adaptive display system
12/14/1994EP0628188A1 Method of identifying and characterizing a valid object by color
12/13/1994US5373455 Positive feedback error diffusion signal processing
12/08/1994WO1994028500A1 Spatial filtering process and system
12/07/1994EP0627694A1 Image processing apparatus and method
12/07/1994EP0627693A1 Apparatus for segmenting images composed of textures and segmentation system including such apparatus
12/07/1994CN1026928C System and method for color image enhancement
12/06/1994US5371810 Method of determining the interior points of an object in a background
12/06/1994US5371615 Image-dependent color correction using black point and white point in a natural scene pictorial image
12/06/1994US5371612 Method of and apparatus for forming halftone images
12/06/1994US5371515 Method and apparatus for non-linear dithering of digital images
12/01/1994DE4329672C1 Method for suppressing noise in digital images
12/01/1994DE4329671C1 Method for improving the visibility of poor contrast line structures in a digital image
12/01/1994DE4328915C1 Method for the extraction of features of linear structures in digital images
11/1994
11/30/1994EP0626790A1 Segmentation-based JPEG image artifacts reduction
11/30/1994EP0626782A2 Method and apparatus for convex interpolation for color calibration
11/30/1994EP0626780A2 Image processing method and apparatus
11/30/1994EP0626661A1 Digital image processing circuitry
11/30/1994EP0626656A2 Image processing system and method for automatic feature extraction
11/30/1994CN1095839A Anti-allasing line display apparatus
11/29/1994US5369572 Radiographic image processing method wherein small variation of density is selectively made clear
11/29/1994US5369506 Circuit arrangement for selecting an image data correction scheme, writing the correction scheme to a correction table and correcting image data gradation
11/29/1994US5369499 Calibration method for video image reproduction with electronic printer and video monitor
11/25/1994CA2123976A1 Digital image processing circuitry
11/24/1994WO1994027402A1 Ultrasound imaging method and apparatus with dynamic non-linear filtering
11/24/1994WO1994026163A1 Method and system to enhance medical signals
11/24/1994EP0664038A4 Method for identifying objects using data processing techniques.
11/24/1994CA2161976A1 Method and system to enhance medical signals
11/23/1994EP0625844A1 A method of halftoning digitized grey value images and an image processing device suitable for performing such a method
11/22/1994US5367616 Isopleth generator for applying isopleths to digital picture data and method therefor
11/17/1994EP0624972A1 Halftone images using special filters
11/17/1994EP0624848A2 A technique for the detection and removal of local defects in digital continuous-tone images
11/17/1994EP0624300A1 Resolution enhancement system for binary images
11/17/1994EP0371055B1 Apparatus for enhancing and thresholding scanned microfilm images and methods for use therein
11/15/1994US5365602 Integrated half-tone screening and enlarging using an enlargement mapping pattern having linked, unique pattern segments
11/15/1994US5365277 Apparatus with reduction/magnification image size processing for producing low-pass filtered images
11/15/1994US5365252 Color quantization apparatus and method for frame buffer display
11/09/1994EP0623884A2 Process and device for determining the amount of distortion in radiographic images
11/08/1994US5363209 Image-dependent sharpness enhancement
11/08/1994US5361763 Method for segmenting features in an image
11/02/1994EP0622950A2 Imposed weight matrix error diffusion halftoning of image data
11/02/1994EP0622949A1 Inverse halftoning using linear filtering and statistical smoothing
11/02/1994EP0622756A2 Method and apparatus for printing an enhanced image
11/02/1994EP0622746A2 Method of transforming a distorted input image and apparatus to carry out the same
11/02/1994EP0622745A2 Character image encoding/decoding system
10/1994
10/26/1994EP0621725A1 Automatic image segmentation for color documents
10/26/1994EP0621723A2 Method of correcting halftone dot image data and image processing apparatus with halftone dot image data correction
10/26/1994CN1094209A Interpolation method of digital image data and the circuit thereof
10/26/1994CN1026378C Apparatus for correcting of brightness of picture signals
10/25/1994US5359702 Image signal interface system
10/25/1994US5359674 Pyramid processor integrated circuit
10/25/1994US5359672 Line detecting method using two rectangular windows passing through the line to be detected
10/25/1994US5359638 Method for recursive filtering residual afterglow from previous computed tomography scans
10/25/1994US5359513 Method and system for detection of interval change in temporally sequential chest images
10/25/1994US5359423 Method for statistical generation of density preserving templates for print enhancement
10/19/1994EP0620678A1 An apparatus for and method of image processing
10/19/1994EP0620677A1 Frequency modulation halftone screen and method for making same
10/19/1994EP0620675A2 Method of and apparatus for converting gradient of image data
10/19/1994EP0619717A1 Method and apparatus for processing images
10/18/1994US5357581 Method and apparatus for the selective filtering of dot-matrix printed characters so as to improve optical character recognition
10/18/1994US5357549 Method of dynamic range compression of an X-ray image and apparatus effectuating the method
10/18/1994US5357352 Image-dependent color shifting of strongly color shifted images
10/18/1994US5357349 Tonal conversion method for a picture
10/18/1994US5357344 Method of and apparatus for recording halftone image
10/18/1994US5357278 In a digital video system
10/13/1994WO1994023375A1 Managing information in an endoscopy system
10/12/1994EP0619675A1 Colour image display system
10/12/1994EP0619556A2 Anti-aliasing method for animation
10/12/1994EP0619551A2 Determining offset between images of an IC
10/12/1994EP0619503A1 High resolution radiation imaging system
10/12/1994CN1026202C Correction algorithm for contiguous CCD elements leakage
10/11/1994US5355446 Method and apparatus for preparing picture masks
10/11/1994US5355421 Method of noise detection and noise apparatus
10/11/1994US5355233 Conversion of binary to multi-level image data
10/11/1994US5355178 Mechanism for improving television display of still images using image motion-dependent filter
10/11/1994US5355174 Soft edge chroma-key generation based upon hexoctahedral color space
10/05/1994EP0618737A2 Neural network video image processor
10/05/1994EP0618717A2 Apparatus for distinguishing image portions through image expansion
10/05/1994EP0618546A1 Method for determining color boundaries for correcting for plate misregistration in color printing
10/04/1994US5353392 Method and device for modifying a zone in successive images
10/04/1994US5353239 Method of processing image signal by optical gamma correction curve and apparatus for performing the same
10/04/1994US5353127 Method for quantization gray level pixel data with extended distribution set
09/1994
09/29/1994WO1994022265A1 Method and apparatus for enhancing sharpness of a sequence of images subject to continuous zoom
09/28/1994EP0617548A1 Image colour modification
09/28/1994EP0617546A2 A method for determining a toner reproduction cuve for a printer
09/27/1994US5351314 Method and apparatus for image enhancement using intensity dependent spread filtering
09/27/1994US5351306 Apparatus for reproducing video signals on a monitor
09/27/1994US5351079 Color balance adjusting apparatus using a decorrelating neural network
09/21/1994EP0616465A2 Video noise reduction apparatus and method using three dimensional discrete cosine transforms and noise measurement