Archives for December 2018

Event-Driven Sensor in Structured Light 3D Camera

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Arxiv.org paper "Event-Based Structured Light for Depth Reconstruction using Frequency Tagged Light Patterns" by T. Leroux, S.-H. Ieng, and R. Benosman from University of Pittsburgh, Carnegie Mellon University, and Sorbonne University proposes to use (apparently) Prophesee sensor for a structured light 3D camera. Although the paper appears a bit rushed to publication and needs some proofreading, the presented ideas look nice:

"This paper presents a new method for 3D depth estimation using the output of an asynchronous time driven image sensor. In association with a high speed Digital Light Processing projection system, our method achieves real-time reconstruction of 3D points cloud, up to several hundreds of hertz. Unlike state of the art methodology, we introduce a method that relies on the use of frequency tagged light pattern that make use of the high temporal resolution of event based sensors. This approach eases matching as each pattern unique frequency allow for any easy matching between displayed patterns and the event based sensor. Results are shown on the real scenes."

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Orbbec 3D Depth Sensing in Oppo Find X

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SystemPlus publishes a teardown report of Orbbec face recognition solution in Oppo Find X smartphone:

"Located in the Find X’s front side, around the speaker, the 3D system is packaged in one metal enclosure. The system features a dot projector, a flood illuminator, a red/green/blue camera and a NIR camera sensor. An additional SoC component is soldered on the main board to process the signal from the latter devices.

The system uses standard components found on the market. That includes a GS image sensor featuring 3µm size pixels and standard resolution of 1 megapixel and a vertical cavity surface emitting laser (VCSEL). The system is therefore very cost efficient compared to other solutions. The camera and dot projector module assembly uses standard wire bonding to connect the sensor or the VCSEL dies, along with an optical module comprising four lenses for both modules.
"

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ST Officially Announces 2-Memories GS Sensors for in-Cabin Cameras

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After few months of presentations at different conferences and exhibitions, STMicroelectronics has officially unveiled two new automotive global shutter image sensors, the VG5661 and VG5761, aimed to driver monitoring.

ST’s VG5661 and VG5761 are 1.6MP and 2.3MP automotive global shutter sensors. ST has created a unique automotive global shutter pixel with two memory cells while keeping a small pixel size of 3.2μm. The two memory zones allow double-image storage, enabling linear HDR up to 98dB or background removal without lag effects and with no need for additional processing by the host system. This offloads the host processor and reduces instances of correction artefacts. In addition, HDR and high MTF in NIR further minimizes interference from natural light sources.

The VG5661 and VG5761 are supplied in standard BGA packages, or as bare die for direct integration in automotive OEM systems produced in high volumes. They are qualified to AEC-Q100 grade 2 and include complex safety-integrity features as required for an ASIL-B camera system in accordance with the automotive safety standard ISO 26262.

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Camera gear of the year 2018

Cameralabs        Go to the original article...

2018 was a strong year in the photography world with a lot of exciting new cameras, lenses and accessories. In my camera gear of the year guide I'll highlight the highest-performing, most useful and enjoyable products I've reviewed this year!…

The post Camera gear of the year 2018 appeared first on Cameralabs.

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Camera gear of the year

Cameralabs        Go to the original article...

2018 was a strong year in the photography world with a lot of exciting new cameras, lenses and accessories. In my camera gear of the year guide I'll highlight the highest-performing, most useful and enjoyable products I've reviewed this year!…

The post Camera gear of the year appeared first on Cameralabs.

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Sony Polarsens Sensors

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Lucid Vision Labs presentation has some data on Sony polarization sensors:

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Photoneo Presentation

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Photoneo presentation at Vision Show in Stuttgart, Germany, on Nov. 6-8, 2018 shows its Parallel Structured Light 3D camera concepts:

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Rumor: Sony Full-Frame 33MP 60fps Sensor is Coming

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DIY Photography quotes EOSHD that Sony is working on IMX435 stacked full-frame sensor that is able to shoot 8K 60fps video with 12b ADC resolution:

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Sony DepthSense ToF Technology

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Lucid Vision Labs presents the results of its ToF camera based on Sony-Softkinetic IMX556 BSI sensor:

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SWIR CQD Presentation

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SWIR Vision System presentation at Vision Show 2018 details on its lower than InGaAs cost sensor mentioned in my previous post:


Thanks to TL for the pointer!

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