STMicroelectronics Powers Next-Generation Computer-Vision Applications with High-Performance Global-Shutter Image Sensors
March 25 2020 - 10:00AM
STMicroelectronics Powers Next-Generation
Computer-Vision Applications with High-Performance Global-Shutter
Image Sensors
- Innovative compact pixels deliver the smallest global-shutter
sensor size for any resolution
- Optimized solution enables better object detection and
recognition, for 2D- and 3D-sensing applications
- Unique backside illuminated global-shutter pixel using ST
die-stacking technology
Geneva, March 25, 2020 – STMicroelectronics (NYSE:
STM), a global semiconductor leader serving customers
across the spectrum of electronics applications, is enabling the
next generation of smart computer-vision applications with new
high-speed image sensors that use “global shutter” – the preferred
mode for capturing distortion-free images when the scene is moving
or when near-infrared illumination is needed.
ST’s advanced image-sensor process technologies enable
class-leading pixel size while offering both high sensitivity and
low crosstalk. The combination of silicon process innovation and
advanced pixel architecture allows a smaller sensor pixel array on
the top die, while keeping more silicon area on the bottom die to
increase digital-processing capabilities and features.
The new sensors are the VD55G0 with 640 x 600 pixels and the
VD56G3 with 1.5 Mpixels (1124 x 1364). Measuring 2.6mm x 2.5mm and
3.6mm x 4.3mm, respectively, VD55G0 and VD56G3 are the smallest on
the market in relation to resolution. Low pixel-to-pixel crosstalk
at all wavelengths, specifically near-infrared, ensures high
contrast for superior image clarity. Embedded optical-flow
processing in the VD56G3 calculates movement vectors, without the
need for host computer processing. These new sensors are ideally
suited to a wide range of applications including Augmented and
Virtual Reality (AR/VR), Simultaneous Localization and Mapping
(SLAM), and 3D scanning.
“These new global shutter image sensors are based on our third
generation of advanced pixel technology and deliver significant
improvements in performance, size, and system integration,” said
Eric Aussedat, Imaging Sub-Group General Manager and Executive Vice
President of the Analog, MEMS and Sensors Group,
STMicroelectronics. “They are enabling another step forward in
computer-vision applications, empowering designers to create
tomorrow’s smart, autonomous industrial and consumer devices.”
Samples are shipping now to lead customers. Please contact your
ST sales office for pricing options and sample requests.
For more information, please go to www.st.com/imaging
Further technical information Global-shutter
sensors save all pixel data in each frame simultaneously,
contrasting with “rolling-shutter” operation that captures pixel
data sequentially one line at a time, which makes moving images
vulnerable to distortion or in need of additional corrective
processing.
ST’s advanced pixel technology, including full Deep Trench
Isolation (DTI), enables extremely small 2.61μm x 2.61μm pixels
that combine low Parasitic Light Sensitivity (PLS), high Quantum
Efficiency (QE), and low crosstalk in a single die layer,
attributes that other pixel technologies cannot achieve
simultaneously.
The ST approach enables a small pixel on a backside illumination
(BSI) die, which allows space-saving vertical stacking of the
optical sensor and associated signal-processing circuitry on the
bottom die to achieve an extremely small sensor size and to embed a
greater number of key features, including a fully-autonomous
optical flow block.
The bottom die is fabricated in ST’s 40nm technology and
integrates digital and analog circuitry. The high-density,
low-power digital circuitry incorporates hardware features
including an exposure algorithm with statistics gathered from up to
336 zones, automatic defect correction, and automatic dark
calibration. The fully autonomous low-power optical-flow block is
able to calculate 2000 movement vectors at 60fps. The embedded
vector generation is extremely helpful for AR/VR or robotics, to
support SLAM or six degrees of freedom (6DoF) use cases, especially
in host systems with limited processing capabilities.
The sensors also support multiple frame contexts with
programmable sequencing, including full illumination controls. They
also feature an integrated temperature sensor, I2C Fast mode+
control, defect correction, windowing, binning, and MIPI CSI-2 data
interface.
About STMicroelectronicsST is a global
semiconductor leader delivering intelligent and energy-efficient
products and solutions that power the electronics at the heart of
everyday life. ST’s products are found everywhere today, and
together with our customers, we are enabling smarter driving and
smarter factories, cities and homes, along with the next generation
of mobile and Internet of Things devices.
By getting more from technology to get more from life, ST stands
for life.augmented.In 2019, the Company’s net revenues were $9.56
billion, serving more than 100,000 customers worldwide. Further
information can be found at www.st.com.
For Press Information Contact: Michael
Markowitz Director Technical Media Relations STMicroelectronics
Tel: +1 781 591 0354 Email: michael.markowitz@st.com
- P4234D -- Mar 25 2020 -- Global-shutter machine-vision
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- P4234D -- Mar 25 2020 -- Global-shutter machine-vision
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