Thomson Licensing

Interdigital Ce Patent Holdings

Interdigital Ce Patent Holdings, Sas

Thomson Multimedia S.a.

Thomson Licensing S.a.

Interdigital Madison Patent Holdings, Sas

Thierry Borel

Didier Doyen

Valter Drazic

Laurent Blonde

Jonathan Kervec

Khaled Sarayeddine

Pascal Bourdon

Ralf Ostermann

Sylvain Thiebaud

Benoit Vandame

Louis Chevallier

Thomas Brune

Arno Schubert

Oliver Theis

Jean-Jacques Sacre

Wolfram Putzke-Roeming

Pierre Hughes Routhier

Antoine Dupont

St&eacute;phane Garnier

Jean-Claude Lehureau

Beno&icirc;t Le Ludec

Dider Doyen

Julien Thollot

A plenoptic camera including a camera lens, a lenslet array having a plurality of microlenses and a photosensors array and having a plurality of photosensors. The camera lens has a spatial light modulator arranged in the aperture stop plane of the camera lens.

Plenoptic camera comprising a spatial light modulator

A particular implementation accesses a disparity value for a particular location in a picture, the disparity value indicating disparity with respect to a particular resolution. The particular implementation modifies the accessed disparity value based on multiple resolutions to produce a modified disparity value. Another implementation accesses a disparity value for a particular location in a picture, the picture having a particular resolution, and the disparity value indicating disparity with respect to another resolution that is different from the particular resolution and that is based on multiple resolutions. A further implementation modifies the accessed disparity value to produce a modified disparity value indicating disparity with respect to the particular resolution.

3D disparity maps

The disclosure describes a method, apparatus and system for reducing crosstalk of auto-stereoscopic displays using higher resolution panels. In such panels, a fraction of a total number of views is generated by sending a same signal on a number of adjacent views. A signal processing correcting function is applied to the fractioned views to reduce crosstalk.

Method, apparatus and system for reducing crosstalk of auto stereoscopic displays

A method and an apparatus for generating lens-related metadata for a light field imaging device. An image renderer generates a display image from a light field capture using a lens model. A metadata assembler then outputs parameters of the lens model used for generating the display image as lens-related metadata for the light field imaging device.

Method and apparatus for generating lens-related metadata

A sensortargeted to be mounted on a plenoptic camera comprises at least one microimage area targeted to sense a microimage refracted by a microlens array, the microimage area being at least partially covered by a color filter array, wherein the color saturation of the color filter array decreases when getting away from a centroid (x, y) of the microimage area.

Plenoptic foveated camera

Various implementations provide color images, including, for example, RGB images and/or HDR images. In one particular implementation, a color image is created using a first set of color values captured from multiple sensors. Multiple pixel locations of the color image have a color value for three colors that are captured from the multiple sensors. A lens assembly passes light to the multiple sensors. An HDR image is created using a second set of color values captured from the multiple sensors. Another implementation includes a lens assembly and multiple sensors arranged to receive light though the lens assembly. A first set of color values captured from the multiple sensors can be assembled to provide three color values for multiple pixel locations. A second set of color values captured from the multiple sensors can be interpolated to provide an HDR image.

Native three-color images and high dynamic range images

The invention relates to a display device using the DLP (Digital Light Processing) technology. This invention is in the field of digital cinema and content protection, where camcorder acquisition followed by immediate illegal distribution creates important revenue losses for content owners. According to the invention, the addressing of the display device is modified in order to introduce an anti-copy processing. The display device comprises modulation means for modulating the color or brightness of video data of video pictures received at a first rate and for outputting at a second rate modulated video data, said second rate being a multiple of the first rate, subfield coding means for coding said modulated video data into subfield data, said subfield data being delivered at the second rate, and addressing means for addressing the array with said subfield data at a third rate. Advantageously, the third rate is not a multiple of the first rate.

Digital light processing display device

The invention relates to a method for displaying a settings menu. In order to optimize the graphical representation of setting carried out by a spectator, the method comprises steps for:

Method for displaying a setting menu and corresponding device

The present invention relates to a method for displaying a video image on a digital display device during a video frame comprising at least two distinct time segments for displaying a grey level. The cells of the device are able to take selectively an on state or an off state. The cells are able moreover to change state several times during a video frame. According to the invention, the cells change state at most once during each time segment of the video frame. The invention makes it possible to attenuate or suppress disturbances related to the temporal integration and to the sequential displaying of the R, G, B components of the video image.

Method for displaying a video image on a digital display device

The multi-image capture system comprises an imaging lens, a beamsplitter directing a first portion of light on an array of micro-imaging elements and a first photodetector array divided into a plurality of macropixels providing a set of depth images, and another portion of light on a second photodetector arrayproviding a main image with a resolution being higher than the resolution of each basic depth image. According to the invention, the resolution of the depth images is increased by using the image data of the main image.

Multi-image capture system with improved depth image resolution

The present invention relates to a display method and device for improving the luminous efficiency of a matrix display using a pulse-width modulation, or PWM, technique. According to the invention, in order to reduce the blurring effect, the display method comprises the following steps: &#x2014;detecting the moving object contours within said sequence of video images, &#x2014;modifying, for each image of said sequence and each contour detected, the gray level of at least one pixel adjacent to said contour by assigning to it an intermediate level in the range between its initial gray level and that of the other pixel adjacent to said contour, and&#x2014;displaying said modified image sequence. Application to matrix displays comprising a LCOS, OLED or DMD valve array.

Display method and device for reducing blurring effects

The invention discloses a new modulation scheme to prevent illegal copy in movie theaters. None of the existing modulation schemes make the right assumptions to modelize a camcorder device. In such classical schemes, camcorders are always considered as sampling devices without taking into account the effects of shutter speed. The shutter of the camcorder is classically compared to a low-pass filter. As a result, modulation effects can be easily removed by setting up shutter speed to low values (low cutoff frequency). The right mathematical modelization of the shutter effect shows that, in the spectral domain, the behavior of the camcorder is close to a cardinal sine function with a main lobe and sidelobes. Consequently, according to the invention, it is proposed to select a modulation frequency that not only generates visual artifacts once recorded by the camcorder under shutter-free conditions, but that can also generate artifacts despite low shutter speed settings by going through sidelobe of the shutter spectrum.

Method and device for processing a sequence of video images

The invention relates to a method and a device for processing a mosaic of noisy source images exhibiting overlap zones where at least two of the source images are superimposed. According to the invention, the method comprises a step of generating a random noise () in the overlap zones so as to compensate at least partially for the deviation in noise between the overlap zones and the zones where the source images are not superimposed, called non-overlap zones.

Method and device for processing a mosaic of images

The invention relates to a backlighting system for a liquid-crystal display screen, comprising:

Backlighting system for a liquid-crystal display screen and corresponding display device

The present invention relates to an apparatus and a device for displaying images. It is known to inlay a pattern of watermark type into the sequence of images to be displayed so as to combat the copying of images by picture-taking. This inlaying consists in modulating the intensity of the pixels of the pattern about 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 filmed by the camcorder. This technique poses problems when the sequence of images to be displayed comprises scenes in motion. The pattern appears since the integration carried out by the eye at the moment of display of the images is not correct. According to the invention, it is proposed that the patterns to be inlayed be motion compensated.

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Noyal sur Vilaine, France

Thierry Borel