Jul 25

Pelican Launches 3D Image Viewer, Presents First Interactive Sample Images

It’s gotten a bit quiet around Pelican Imaging, lately. Until today, when the mobile plenoptics specialists have broken the silence and announced their own version of a WebGL light field viewer.

“What do photos with depth look like?”, the company teased in their newsletter. To answer that question, the company has published a small sample image gallery based on the new “Pelican 3D Image Viewer”, which allows users to check out and interact with 8 sample images taken with the Pelican Array Camera.

Pelican Launches 3D Image Viewer, Presents First Interactive Sample Images

Continue reading

Jul 18

Lytro Prepares Launch of Advanced WebGL Player (Beta) in Lytro Web

Lytro Prepares Launch of Advanced WebGL Player (Beta) in Lytro Web (screenshot taken on 2014-07-18) One month ago, Lytro announced a new open file format and open-source WebGL player, to be released “with the Lytro Illum on July 15″. The camera’s first shipments of the Lytro Illum have been delayed to the end of July, and July 15 quietly went by without release of either the new file format or WebGL player.

Today, the company has published a support document for the new WebGL Advanced Player, which was apparently just integrated into Lytro’s website. Continue reading

Jul 15

Visera Patents Integrated Light Field Sensor Manufacturing Process

Fig. 3 from the patent application shows a schematic of a light field camera including the proposed single-piece light field sensor (picture modified from Wang et al., 2014) Light field technology is making its way into the mainstream, but the production and assembly of some of its components has not quite reached an efficient scale of mass production.
A typical light field sensor consists of an ordinary image sensor and a microlens array (MLA) or printed mask.
In the assembly of light field sensors, one of the most vital processes is the precise adjustment of the MLA‘s position on the sensor. This adjustment is required for every individual sensor and can thus take up a long time. Since the MLA is usually positioned using screws or springs, physical impact on the light field camera may displace the light field sensor’s layers.

With patent application US 20140183334 A1 “Image sensor for light field device and manufacturing method thereof“, recently discovered by Image Sensors World, Visera Technologies is aiming for an integrated manufacturing method for light field sensors: Authors Wei-Ko Wang and colleagues propose a system where two layers of microlenses (and an intermediate space layer) are formed directly on the image sensor using semiconductor processes. Continue reading

Jul 06

Pinlight Display: Light Field Glasses for Augmented-Reality Applications

Nvidia Pinlight Display: Light Field Glasses for Augmented-Reality Applications (picture: Siggraph 2014 website) Earlier this year at Augmented World Expo, Nvidia researcher Douglas Lanman gave a talk about Near-Eye Light Field displays, i.e. electronic glasses which allow users to experience both 3D and depth. When asked about Augmented Reality (AR) applications during the discussion, Lanman noted that creating a set of transparent glasses that would also include microlenses (or something equivalent) but still allow “normal” see-through vision, was a real challenge. He very briefly teased “pinlight displays”, which were to be presented at the same conference, but no further information could be found online.

In the Emerging Technologies section of the Siggraph 2014 conference (10-14 August 2014), Adam Maimone and colleagues from the University of North Carolina at Chapel Hill and Nvidia will be presenting their new invention in a talk entitled “Pinlight Displays: Wide-Field-of-View Augmented-Reality Eyeglasses Using Defocused Point-Light Sources”. Continue reading