Sony Semiconductor Solutions to Release Industry's First*1 CMOS Image Sensor for Security Cameras That Simultaneously Delivers Full-Pixel Output of Captured Images and High-Speed Output of Regions of Interest
Friday, July 22, 2022
ATSUGI, Japan, July 20, 2022 /PRNewswire/ -- Sony Semiconductor Solutions Corporation (SSS) today announced the upcoming release of the IMX675, a 1/3-type CMOS image sensor for security cameras with approximately 5.12 megapixels(*2) that simultaneously delivers both full-pixel output of the whole captured image and high-speed output of regions of interest.
In an industry first,(*1) the new sensor from SSS leverages Dual Speed Streaming technology to output all of the pixels in a captured image at a maximum rate of 40 frames per second while simultaneously outputting specific user-set regions of interest at high speed. Using this image sensor allows a single camera not only to provide comprehensive images of scenes, but also to support high-speed recognition of specific objects at a high level of detail.
The new sensor also employs unique STARVIS((TM)) 2 technology from SSS, which delivers high-sensitivity and a wide dynamic range, but with approximately 30% less power consumption than conventional models,(*3) thanks to its proprietary stacked structure.
These technologies come together to deliver high-performance, high-quality image capture regardless of expected usage conditions or time of day, thereby contributing to a safer, more secure society.
*1 Among CMOS image sensors for security camera applications. As of announcement on July 20, 2022.
*2 Based on image sensor effective pixel specification method.
*3 Compared to SSS's IMX335 1/3-type 5.12 effective megapixel CMOS sensor.
Model name Sample shipment Sample
date price
(planned)
IMX675 1/3-type (6.53 mm diagonal) August 2022 USD 10**
approx. 5.21 effective megapixel*2 CMOS
image sensor
** The price of mass-produced items depends on trading volume and other factors.
-- Dual Speed Streaming Function Sample Video:
https://youtu.be/0lwwTUoKZAcThe requirements for security cameras vary
depending on where and how they are used. At the same time, keeping the
number of cameras optimized at a minimum is necessary to keep system
costs low.
Thanks to proprietary Dual Speed Streaming technology from SSS, the new sensor can simultaneously output the whole captured image and specific regions of interest at different frame rates, enabling capture of a comprehensive image of the scene while also accurately recognizing quick-moving objects, all with a single camera. This design helps reduce system costs. The new sensor can be used to capture, for example, the whole image of an intersection while recognizing people and cars moving through it, or to capture an overall image of a highway while also capturing the details needed to identify the license plate numbers of cars travelling on it.
Additionally, STARVIS 2, a technology which delivers high sensitivity and a wide dynamic range, but with approximately 30% less energy consumption than conventional models,(*3) enables a dynamic range of 78 dB, approximately 2.5 times that of conventional models,(*3) when used in a single exposure method. As a result, the new sensor product has potential applications beyond security cameras, for instance in drive recorders and webcams, both of which are seeing increasing demand in recent times.
Main Features
-- Equipped with Dual Speed Streaming for simultaneous full-pixel output of
captured images and high-speed output of specific regions of
interestThis image sensor is the industry's first(*1) to employ Dual
Speed Streaming technology to simultaneously output all pixels in a
captured image at a maximum rate of 40 frames per second while also
reading specific regions of interest at a high frame rate, a feat made
possible by its original readout circuits. The location of the region of
interest in the frame can be specified vertically, together with the
corresponding frame rate. Depending on the purpose, users can choose to
read only the necessary region at high speed to lessen the load on the
camera system at a later stage by reducing the amount of data compared
to the conventional method of reading all pixels.
-- Consumes 30% less power than conventional models(*3)This product
utilizes a stacked structure, employing a Cu-Cu connection(*4) between
the pixel unit and circuit unit, to achieve an optimized layout for
multiple high-speed signal processing circuits. This results in
significantly lower power consumption, approximately 30% lower than
conventional models.(*3) In many cases, security cameras operate around
the clock, creating issues such as power consumption costs, impact on
the environment, and camera heat generation. With this new sensor, the
number of heatsink components in the camera system can be reduced,
lowering the overall system cost and contributing to reducing the impact
on the environment.
*4: Technology that provides electrical continuity via connected Cu (copper) pads when stacking the pixel section (top chip) and logic circuits (bottom chip). Compared with through-silicon via (TSV) wiring, where the connection is achieved by electrodes intruded around the circumference of the pixel area, this method gives more freedom in design, improves productivity, allows for a more compact size, and increases performance.
-- Single exposure method with approximately 2.5 times wider dynamic range
than conventional models(*3)The new image sensor employs STARVIS 2
technology developed by SSS, which uses unique processing technology to
increase the area of the light-receiving unit despite pixel size
limitations, resulting in a wide dynamic range in a 1/3-type 5.12
megapixel format. This design delivers a dynamic range approximately 2.5
times wider than conventional models,(*3) at 78 dB, thereby enabling
high-precision monitoring.
-- Improved sensitivity in the near-infrared domain delivers high-quality
images in dark locationsThe new product comes with a proprietary device
structure from SSS, where irregularities are incorporated into the
incidence planes of the light receiving unit to refract incident light
and thereby enhance the absorption rate of invisible near infrared
light. This design results in a sensitivity approximately 2.5 times
greater than conventional models,(*3) making it possible to capture
high-quality images even in near infrared situations, which is often
used in dark scenes and at night.
Please visit the following websites for further details on CMOS image sensors for security applications.
Product page:
https://www.sony-semicon.co.jp/e/products/IS/security/product.html
Technology page:
https://www.sony-semicon.co.jp/e/products/IS/security/technology.html
Key Specifications
Model name
IMX675
Effective pixels 2608 × 1964 (H x V), approx. 5.12
megapixels
Image size Diagonal 6.53 mm (1/2.8-type)
Unit cell size
2.0 m × 2.0 m (H x V)
Frame rate All pixels 10 bit 80 fps, 12 bit 60 fps
Sensitivity
14840 Digit/lx/s
Sensor saturation signal level
3895 Digit
(minimum value)
Power supply Analog
3.3 V
Digital
1.1 V
Interface
1.8 V
Main functions Dual speed streaming, Clear HDR,
DOL HDR
Output
MIPI D-PHY 2/4 lanes
Color filter array
Bayer array
Package Ceramic LGA 12.0 mm × 9.3 mm
Note: STARVIS 2 is a registered trademark or trademarks of Sony Group Corporation or its affiliated companies.
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SOURCE Sony Semiconductor Solutions Corporation
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