Patent application number | Description | Published |
20120082397 | CONTRAST ENHANCEMENT - A method according to the invention enhances contrast of an image by accessing an original image, and establishing, assigning, or initializing pixel values and pixel coordinates of pixels of the image. Then, a Laplacian pyramid having an integral number of levels is generated for the image. A contrast boost pyramid is generated and applied to the Laplacian pyramid to obtain a modified Laplacian pyramid wherein values in the levels of the Laplacian pyramid are enhanced. An enhanced image is then constructed from the modified Laplacian pyramid. | 04-05-2012 |
20120113130 | ZONE-BASED TONE MAPPING - A method of tone mapping high dynamic range images for display on low dynamic range displays wherein a high dynamic range image is first accessed. The high dynamic range image is segmented into different regions such that each region is represented by a matrix, where each element of the matrix is a weight or probability of a pixel. An exposure of each region is determined or calculated and the exposure values are applied to the regions responsive to the weight or probability. The different regions are then fused together to obtain a final tone mapped image. | 05-10-2012 |
20120237130 | INTERACTIVE TONE MAPPING FOR HIGH DYNAMIC RANGE VIDEO - A user interactive video tone mapping method is provided that can be used for the tone reproduction of high dynamic range (HDR) content on low dynamic range (LDR) displays. The method comprises the steps of selecting a frame of a video sequence; providing a user interface for a user to manually apply scribble marks to the frame; manually applying N scribble marks to the frame, N being a whole number of value 1 or in greater; and tone mapping the video sequence responsive to the scribble marks. | 09-20-2012 |
20120288217 | HIGH DYNAMIC RANGE (HDR) IMAGE SYNTHESIS WITH USER INPUT - A new high dynamic range image synthesis which can handle the local object motion, wherein an interactive graphical user interface is provided for the end user, through which one can specify the source image for separate part of the final high dynamic range image, either by creating a image mask or scribble on the image. The high dynamic range image synthesis includes the following steps: capturing low dynamic range images with different exposures; registering the low dynamic range images; estimating camera response function; converting the low dynamic range images to temporary radiance images using estimated camera response function; and fusing the temporary radiance images into a single high dynamic range (HDR) image by employing a method of layered masking. | 11-15-2012 |
20120308134 | REDUCING CHROMATIC ABERRATION - At least one implementation reduces chromatic aberration by aligning pixel in a color channel according to displacement from corresponding pixels in another color channel. In one particular implementation, a feature is calculated for a first block of pixels in a first color channel of an image. The feature is calculated for a second block of pixels in a second color channel of the image. Displacement is estimated between the first color channel and the second color channel by comparing the feature for the first block and the feature for the second block. At least a portion of the first color channel is aligned with at least a portion of the second color channel based on the estimated displacement. | 12-06-2012 |
20130091430 | GRAPHICAL USER INTERFACE FOR TONE MAPPING HIGH DYNAMIC RANGE VIDEO - A tone mapping graphical user interface is provided that allows a video engineer to process a video using a set of tools for changing high dynamic range data into lower dynamic range data. | 04-11-2013 |
20130141432 | COLOR CALIBRATION AND COMPENSATION FOR 3D DISPLAY SYSTEMS - A method and system for calibration and compensation of color in a three dimensional display system includes user calibration of individual color channels using a multiplicity of grey screens while viewing with three dimensional glasses. Look-up tables are generated to ease conversion of input pixels to color corrected pixels to pre-distort the color of the pixels being driven by the three dimensional display system. Input pixels are then converted using the look-up tables and color corrected frames are displayed to a user. The pre-distortion effect allows a user to perceive colors in the three dimensional system as intended with the distortions caused by the viewing glasses and other aspects of the three dimensional display system. | 06-06-2013 |
20130163868 | PARAMETERS INTERPOLATION FOR HIGH DYNAMIC RANGE VIDEO TONE MAPPING - A method for toning mapping high dynamic range (HDR) video for display in low dynamic range display comprises accessing the HDR video; producing a luminance information for the individual frames; partitioning different consecutive groups of frames into segments responsive to the luminance information; classifying the segments into static luminance segments and transient luminance segments; producing a tone mapping parameter set for the static luminance segments; producing a tone mapping parameter set for at least one of the transient luminance segments responsive to the tone mapping parameter set of an adjacent static luminance segment; and tone mapping the static luminance segments and transient luminance segments according to the respective tone mapping parameter sets. | 06-27-2013 |
20130258067 | SYSTEM AND METHOD FOR TRINOCULAR DEPTH ACQUISITION WITH TRIANGULAR SENSOR - A depth acquisition system utilizes at least three sensors with at least one sensor in a non-colinear configuration to increase depth information. This configuration provides both vertical and horizontal depth information to be combined to enhance image quality, especially in three-dimensional image gathering. Vertical sensor pairs aid in determining disparities for horizontal edges and make depth estimations for horizontal edges more accurate. | 10-03-2013 |