Apple Inc.

Google Inc.

Lytro, Inc.

Duane M Petrovich

Wei Hsin Yao

Marc Albrecht

Pierre-Yves Emelie

Tobias Jung

Sean C Chang

Mingxia Gu

David S Zalatimo

Chengrui Le

Lingyu Hong

Manev Luthra

Jun Qi

Brendan Elwood Bevensee

Colvin Pitts

Ariel Braunstein

Zhendong Hong

Kent Oberheu

Abdeslam Hafidi

Xiang Fang

Jon Karafin

Kevin W Sliech

Joel Merritt

Tingfang Du

Mohammad Tofighi

Chen Zheng

Gareth Spor

Meng Cao

Jiulong Shan

Andrei E Toma

Shuo Han

A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated by a backlight unit that includes an array of light-emitting diodes (LEDs). The backlight unit may determine the type of content in the image data. The backlight unit may decide to prioritize either mitigating halo or mitigating clipping based on the type of content. The determination of the type of content in the image data may be used to determine the brightness values for the LEDs in the LED array. If the content is determined to be a first type of content, at least one given LED in the LED array may have a different brightness value than if the content is determined to be a second, different type of content. Classifying content in the image data may be useful in optimizing visible artifacts such as visible halo and clipping.

Using content type to select brightness in direct-lit backlight units

A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated by a backlight unit that includes an array of light-emitting diodes. A backlight brightness selection circuit may select brightness values for the light-emitting diodes. The backlight brightness selection circuit may select the brightness values based on image data, based on brightness values used in previous image frames, based on device information, and/or based on sensor information. The backlight brightness selection circuit may select the backlight brightness levels to mitigate visible artifacts such as flickering and halo. The backlight levels selected by the backlight brightness selection may be modified by a power consumption compensation circuit. The power consumption compensation circuit may estimate the amount of power consumption required to operate the backlight using the target brightness levels and may modify the target brightness levels to meet maximum power consumption requirements.

Displays with adjustable direct-lit backlight units and adaptive processing

Display with adjustable direct-lit backlight units

Displays with adjustable direct-lit backlight units and power consumption compensation

An image capture system includes a plurality of image sensors arranged in a pattern such that gaps exist between adjacent image sensors of the plurality of image sensors. Each of the image sensors may be configured to capture sensor image data. The image capture system may also have a main lens configured to direct incoming light along an optical path, a microlens array positioned within the optical path, and a plurality of tapered fiber optic bundles. Each tapered fiber optic bundle may have a leading end positioned within the optical path, and a trailing end positioned proximate one of the image sensors. The leading end may have a larger cross-sectional area than the trailing end. Sensor data from the image sensors may be combined to generate a single light-field image that is substantially unaffected by the gaps.

Video capture, processing, calibration, computational fiber artifact removal, and light-field pipeline

Displays with adjustable direct-lit backlight units

An image such as a light-field image may be captured with a light-field image capture device with a microlens array. The image may be received in a data store along with a depth map that indicates depths at which objects in different portions of the image are disposed. A function may be applied to the depth map to generate a mask that defines a gradual transition between the different depths. An effect may be applied to the image through the use of the mask such that applicability of the effect is determined by the mask. A processed image may be generated. The first effect may be present in the processed image, as applied previously. The processed image may be displayed on a display device. If desired, multiple effects may be applied through the generation of multiple masks, depth maps, and/or intermediate images prior to generation of the processed image.

Depth-based application of image effects

Growing community of inventors

San Francisco, CA, United States of America

Duane M Petrovich