Patent application number | Description | Published |
20090052728 | Method and device for displaying images - The present invention relates to a method and a device for displaying images aimed at combating the copying of images by filming during their display, for example by a camcorder in a cinema hall. It is known to modulate the luminance of the pixels of a pattern around the value to be displayed at a high frequency which renders the pattern invisible to the human eye but which generates artefacts on the sequence shot by the camcorder. This pattern is commonly called an anti-copy pattern. According to the invention, it is proposed to increase the hindrance generated by this modulation by varying the amplitude of the modulation of the pixels of the anti-copy pattern as a function of their membership or non-membership in a zone of interest of the sequence. | 02-26-2009 |
20090103802 | Device, system and method for characterizing a colour device - A method for characterizing a colour reproduction device. A first output colour measure responding to a first reference input colour value is measured under normal measurement conditions. The measurement conditions are modified and a second output colour measure responding to the first reference input colour value is measured under the modified measurement conditions. A transformation rule, enabling transformation between the second output colour measure and the first output colour measure, is calculated from the first colour value and the second colour value. A first set of output colour measures responding to a set of input colour values is measured under modified measurement conditions, and the first set of output colour measures is converted, using the transformation rule, to a second set of output colour measures. A system and a control device are also provided. | 04-23-2009 |
20090135904 | High-Dynamics Image Transmission System, Encoding and Decoding Units and Methods Therefor - This high dynamic picture transmission system comprises a coding unit able to generate:
| 05-28-2009 |
20090141041 | Mapping method along anchored mapping trajectories with improved uniformity - In the different mapping planes, described by plane coordinates, of the color space in which colors to map are represented, a uniformity testing curve can be found that intersects all mapping trajectories of this mapping plane and, at any intersection of a mapping trajectory with said uniformity testing curve, the gradients calculated in said plane coordinates of the intersecting mapping lines and the first derivation along this uniformity testing of these gradients are continuous. | 06-04-2009 |
20090150583 | Video data processing module furnished with a configurable video processing unit with a single input bus - According to the invention, the video data to be processed and the configuration data are transferred to the module via one and the same data bus. These modules are advantageously chained in series on a common bus which transfers to each module both the configuration data and the video data to be processed. Preferably, dead time or “blanking” periods between two picture frames transmitted on this bus are used in order to insert the configuration data. | 06-11-2009 |
20090184978 | Image Processing Method for Increasing the Blurring of Pirated Images - The image is broken down into a breakdown color space. For each broken down source pixel, if a source point P | 07-23-2009 |
20090251746 | Method, System and Device for Colour Quality Control - A colour quality control device adapted for use in a system for colour correction of an image to be reproduced on at least one reproduction device that is calibrated by a reproduction forward transform. The system also comprises a colour correction device adapted to correct at least one colour in the image. The colour quality control device comprises a false contour detection unit that uses information from the reproduction forward transform to decide if a contour in the image is a false contour introduced by the transform. This facilitates the operator's work during colour correction. A system and a method are also provided. | 10-08-2009 |
20100104260 | VIDEO RECORDING PREVENTION SYSTEM - A projector has at least four primary color components controlled to produce a metameric effect image which is not perceptible to the human optical system and is perceptible to a video recording device. | 04-29-2010 |
20100128055 | METHOD OF COLOR MAPPING FROM NON-CONVEX SOURCE GAMUT INTO NON-CONVEX TARGET GAMUT - Method of mapping source colors from a source color device having an actual source gamut that is represented by a source convex (gamut boundary descriptor) and a source non-convex into target colors for a target color device having an actual target gamut that is represented by a a target convex and a target non-convex, comprising, | 05-27-2010 |
20100128976 | METHOD FOR DESCRIBING AN ACTUAL COLOR GAMUT OF A COLOR DEVICE OR OF A COLOR CONTENT - To describe the actual color gamut, a hierarchical structure is proposed which comprises, from bottom to top:
| 05-27-2010 |
20100220111 | METHOD OF TRANSMISSION OF A VIDEO SEQUENCE OF IMAGES THAT HAVE TO BE COLOR TRANSFORMED USING LUT - Before the transmission of the source color values of the images of each group G | 09-02-2010 |
20100328341 | METHOD OF CREATING A GAMUT BOUNDARY DESCRIPTOR PRESERVING THE DISCONTINUITIES OF AN ACTUAL GAMUT SURFACE - In order to preserve the discontinuities of an actual gamut surface and/or the discontinuities of its curvature, notably through a smoothing operation, in this method, when at least a vertex of any elementary polygon, the network of which represents an actual gamut boundary, belongs either to a line or a point of discontinuity of this actual gamut boundary, either to a line or a point of discontinuity of curvature of said actual gamut boundary, or both, metadata related to this belongings are added to the definition of the elementary polygons. | 12-30-2010 |
20110292067 | METHOD, APPARATUS AND SYSTEM FOR PROVIDING A COLOR DEVICE CHARACTERIZATION WITH A QUALITY EVALUATION - A method, apparatus and system for assessing color characterization quality includes a characterization unit configured for determining at least one of a forward and inverse transform from a first set of device dependent input color values and measured output display values of the first set of device dependent input color values on the display and transforming a second set of device dependent input color values using the determined at least one of a forward and inverse transform to provide an intermediate set of device dependent input color values. The method, apparatus and system further includes a verification unit for performing at least one of a forward transform quality evaluation and an inverse transform quality evaluation. | 12-01-2011 |
20130027567 | APPARATUS FOR THE CLASSIFICATION OF OBSERVERS ACCORDING TO THEIR VISUAL CHARACTERISTICS - Preferably, seven classes of observers are defined, according to different sets of Colour Matching Functions. By displaying specific colour patches of a classification chart using colour display devices having different sets of primaries, and by asking an actual observer to compare his perception of the same colour as displayed on each colour display device, the method allows assigning said observer his specific class. It is proposed a specific apparatus to implement this method. | 01-31-2013 |
20130033528 | METHOD FOR CONTROLLING AN IMAGE DISPLAY DEVICE TO ALLOW THE SAME PERCEPTION OF COLOURS OVER A LARGE VARIETY OF OBSERVERS - For each colour, the method comprises the following steps: —converting the first set of colour coordinates (R | 02-07-2013 |
20130155393 | METHOD AND DEVICE FOR ESTIMATING THE OPTICAL POWER OF CORRECTIVE LENSES IN A PAIR OF EYEGLASSES WORN BY A SPECTATOR - This invention relates to a method for estimating the optical power of corrective lenses in a pair a eyeglasses worn by a spectator, characterized in that it comprises the following steps:
| 06-20-2013 |
20130286286 | METHOD OF PROCESSING A VIDEO CONTENT ALLOWING THE ADAPTATION TO SEVERAL TYPES OF DISPLAY DEVICES - Method wherein each image of the content is transformed using at least one pre-transformed image which is associated with a key image of this content wherein, from each key image and an associated pre-transformed image, a color transform is derived, and wherein each color transform is applied to a selection of images of this content which is associated with said key image. Applied to a content broadcast system comprising a server and a receiver to which are connected several types of display devices, the invention advantageously makes it possible to adapt the content to these different types. | 10-31-2013 |
20140049623 | METHOD OF CONVERSION OF AN ANAGLYPH IMAGE INTO A FULL-COLOR 3D IMAGE - To generate a full-color left view, a the cyan(left) component of the anaglyph is added with its red component after being laterally shifted to the left, and, symmetrically, to generate a full-color right view, the red(right) component of the anaglyph is added with its cyan component after being laterally shifted to the right. According to the invention, the shift to the left of the red(right) component is obtained by adding the “details” of the cyan(left) component to a blurred red(right) component, and vice-versa. The “details” of the cyan(left) component is preferably calculated by subtracting a blurred cyan(left) component from the cyan(left) component itself. | 02-20-2014 |
20140168250 | METHOD FOR CONTROLLING AN IMAGE DISPLAY DEVICE TO ALLOW AN OBSERVER TO PERCEIVE COLOURS AS ANOTHER OBSERVER - Method for transforming a first version of a color to be reproduced by a proof viewing device a into a second version of the same color to be reproduced by the same proof viewing device in a way that a first human observer perceives this color reproduced on said proof viewing device according to said second version as this color is perceived on a final color reproduction device by a second human observer having human visual characteristics different from those of the first observer. | 06-19-2014 |
20140320599 | ANTIGHOSTING METHOD USING BINOCULAR SUPPRESSION - The present invention provides a method of processing a source left view and a source right view of a 3D image comprising the steps of: identifying at least one ghosted region or ghosting region in the left view and/or in the right view; processing the identified regions in order to create a binocular suppression effect for this identified regions then providing a new 3D image formed by the processed left and/or right views. | 10-30-2014 |
20150085087 | METHOD AND DEVICE FOR CORRECTING DISTORTION ERRORS DUE TO ACCOMMODATION EFFECT IN STEREOSCOPIC DISPLAY - The invention concerns a method and a device for correcting distortion errors in a 3D content viewed by an observer on a screen. The method comprises the step of determining a rendered roundness factor (ITO of a pinhole model projected cylinder, estimating a rendered roundness factor table depending on the defined distance of the observer to the screen and the disparity values of objects of the image, determining for the observer a disparity transform function (TD) as a function of the estimated rendered roundness factor table and modifying the object disparity values using the disparity transform so that a perceived roundness factor of one is provided. | 03-26-2015 |