[PDF][PDF] Autofocus System and Evaluation Methodologies: A Literature Review.
The autofocus (AF) system has gained popularity in over 40 years. Embedded in a camera, it
can bring the best focused image to the viewer within a few seconds, which frees users from …
can bring the best focused image to the viewer within a few seconds, which frees users from …
Encoding and decoding virtual reality video
A virtual reality or augmented reality experience of a scene may be decoded for playback for
a viewer through a combination of CPU and GPU processing. A video stream may be …
a viewer through a combination of CPU and GPU processing. A video stream may be …
Layered content delivery for virtual and augmented reality experiences
US10546424B2 - Layered content delivery for virtual and augmented reality experiences -
Google Patents US10546424B2 - Layered content delivery for virtual and augmented reality …
Google Patents US10546424B2 - Layered content delivery for virtual and augmented reality …
Spatial random access enabled video system with a three-dimensional viewing volume
An environment may be displayed from a viewpoint. According to one method, volumetric
video data may be acquired depicting the environment, for example, using a tiled camera …
video data may be acquired depicting the environment, for example, using a tiled camera …
Video capture, processing, calibration, computational fiber artifact removal, and light-field pipeline
B Bevensee, T Du, J Karafin, J Merritt… - US Patent …, 2020 - Google Patents
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 …
that gaps exist between adjacent image sensors of the plurality of image sensors. Each of …
Data structures and delivery methods for expediting virtual reality playback
A video stream for a scene for a virtual reality or augmented reality experience may be
stored and delivered to a viewer. The video stream may be divided into a plurality of units …
stored and delivered to a viewer. The video stream may be divided into a plurality of units …
Video compression with adaptive view-dependent lighting removal
A video stream of a scene for a virtual reality or augmented reality experience may be
captured by one or more image capture devices. Data from the video stream may be …
captured by one or more image capture devices. Data from the video stream may be …
Stereo image generation and interactive playback
K Akeley - US Patent 10,540,818, 2020 - Google Patents
Video data of an environment may be prepared for stereo scopic presentation to a user in a
virtual reality or augmented reality experience. According to one method, a plurality of …
virtual reality or augmented reality experience. According to one method, a plurality of …
Image capture for virtual reality displays
C Pitts - US Patent 10,412,373, 2019 - Google Patents
A light-field camera system such as a tiled camera array may be used to capture a light-field
of an environment. The tiled camera array may be a tiered camera array with a first plurality …
of an environment. The tiled camera array may be a tiered camera array with a first plurality …
[HTML][HTML] Sensor-based auto-focusing system using multi-scale feature extraction and phase correlation matching
J Jang, Y Yoo, J Kim, J Paik - Sensors, 2015 - mdpi.com
This paper presents a novel auto-focusing system based on a CMOS sensor containing
pixels with different phases. Robust extraction of features in a severely defocused image is …
pixels with different phases. Robust extraction of features in a severely defocused image is …