| Patent Number |
Title Of Patent |
Date Issued |
| 8144254 |
Contour enhancement unit and method to enhance the contours of an image |
March 27, 2012 |
| An image enhancement unit and method for enhancing the image quality of a video stream is presented. The image enhancement unit combines a contour enhancement unit, a luminance contrast stretching unit, a color transient improvement unit, and a color saturation control unit to enhance bo |
| 8018533 |
Independent chrominance control method and system for images |
September 13, 2011 |
| A method and system for adjusting selected colors of an image is presented. A chrominance adjustment system in accordance with one embodiment of the present invention, determines whether the color of the current pixel is near a selected color. When the color of the current pixel is n |
| 7957611 |
Image scaler with controllable sharpness |
June 7, 2011 |
| A method and system for scaling an original image into a scaled image is disclosed. Rather than using the corresponding position in the original image to generate the pixels values of a current pixel in the scaled image, image scalers in accordance with the present invention, calculate |
| 7808559 |
System and method for accumulative stillness analysis of video signals |
October 5, 2010 |
| A method and system for accumulating stillness characteristics is presented. The method and system generates field stillness characteristics for a current pixel of a current field. The field stillness characteristic is accumulated with an accumulated stillness characteristic that cor |
| 7804544 |
Still pixel detection using multiple windows and thresholds |
September 28, 2010 |
| A method and system for performing still pixel detection is presented. In accordance with the present invention, still pixel detection can use multiple thresholds and multiple windows of pixels. In a particular embodiment of the present invention, a still pixel detection test is perf |
| 7720301 |
Structure characterization of images |
May 18, 2010 |
| A method and system for characterizing structures in an image are presented. The method and system generates a structure checksum value based on a plurality of pixels in the image. The structure checksum is used as an index of a look-up table containing structure characteristics corr |
| 7701514 |
Recursive noise reduction with still pixel detection |
April 20, 2010 |
| A system and system for performing adaptive recursive noise reduction with still pixel detection on a video stream is presented. After processing a field pixels that were modified are stored in the field so that processing of later fields uses the modified pixels. Furthermore, the sy |
| 7697075 |
Color-crossing error suppression system and method for decoded composite video signals |
April 13, 2010 |
| A method and system for suppressing color-crossing error in decoded video signals is presented. The color-crossing error suppression method and system uses a first suppression technique at a pixel location for a first subset of fields exhibiting color-crossing error at a pixel location t |
| 7593066 |
Chrominance control unit and method for video images |
September 22, 2009 |
| A color saturation control unit and method for increasing the color saturation of an image is presented. A scaled saturation enhancement factor calculation unit generates a scaled saturation enhancement factor using a base saturation enhancement factor. A multiplier generates a satur |
| 7561209 |
Image enhancement unit and method for image quality improvement of a video stream |
July 14, 2009 |
| An image enhancement unit and method for enhancing the image quality of a video stream is presented. The image enhancement unit combines a contour enhancement unit, a luminance contrast stretching unit, a color transient improvement unit, and a color saturation control unit to enhance bo |
| 7554610 |
Color-crossing error detection system and method for decoded composite video signals |
June 30, 2009 |
| A method and system for detecting color-crossing error in decoded video signals is presented. The color-crossing error detection method and system detects a color-crossing pattern in a set of corresponding pixels that share a pixel location. Each pixel of the set of corresponding pix |
| 7532255 |
Color transient improvement unit and method to reduce blurring at color transients in video imag |
May 12, 2009 |
| A color transient improvement unit and method for improving color transients to remove blurring along the edges of color transitions is presented. A transient characterization unit calculates various transient characterization values for a color transient detection window surrounding |
| 7505083 |
Directional interpolative smoother |
March 17, 2009 |
| A method and system for smoothing a frame to remove jagged edges are presented. The method and system generates a smoothing filter with consolidated pixels. Edges within the smoothing filter are analyzed to select an edge direction used for smoothing. A smoothed pixel is generated ba |
| 7417686 |
Conversion of interlaced video streams into progressive video streams |
August 26, 2008 |
| A method and system for deinterlacing an interlaced video stream is presented. The method and system determines whether an interlaced video stream is a normal mode video stream or a converted mode video stream. Converted mode video streams, which are interlaced video streams created |
| 7176982 |
Recursive noise reduction with still pixel detection |
February 13, 2007 |
| A system and system for performing adaptive recursive noise reduction with still pixel detection on a video stream is presented. After processing a field pixels that were modified are stored in the field so that processing of later fields uses the modified pixels. Furthermore, the sy |
| 7176977 |
Frame rate conversion of interlaced and progressive video streams |
February 13, 2007 |
| A method and system for deinterlacing an interlaced video stream is presented. The method and system determines whether an interlaced video stream is a normal mode video stream or a special mode video stream. Special mode video streams, which interlaced video streams created from a p |
| 7142223 |
Mixed 2D and 3D de-interlacer |
November 28, 2006 |
| A de-interlacing methodology generates frames from interlaced video signals by incorporating data from multiple fields into an interpolation-based de-interlacing process. Pixels directly above and below a blank pixel location and pixels immediately before and after the blank pixel lo |
