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                                              State-of-the-Art Photography and Immersive AR/MR Experiences






















                                                                                         Figure 6: High resolution,
                                                                                         ToF-assisted portraits with
                                                                                         perfect bokeh effects in low-
                                                                                         light situations


        the gray value image and depth map for the   which significantly reduces the costs of the   pmdtechnologies is suitable for applications
        creation of a beautifully blurred background.  3D camera system. Meanwhile, 3D imager   such as real-time mixed reality, enhanced
          Finally, the ToF assistance enables very   features such as coded modulation and   photography, 3D object scanning, and room
        efficient image processing so that the   increased configuration flexibility provide   reconstruction. Effects such as background
        beautification effects can also be applied in   improved performance and robustness for   blur in videos and moving scene images
        real time to video streams. In conclusion, in   various applications and multi-camera    are easily achieved regardless of ambient
        a suitably designed camera system, the sensor   scenarios. The combination of performance,   light conditions. In addition, high-quality
        chip thus ensures reliable operation under all   low power consumption, functionality,   3D depth data acquisition at a distance of
        ambient light conditions, whether in strong   size, and low cost makes ToF 3D sensors   up to 10 meters is enabled, without losing
        sunlight, in darkness, inside buildings or vehi-  particularly suitable for reliable 3D camera   resolution at shorter distances.
        cles, or outdoors.                  applications in mobile devices.       Always-on applications such as mobile
                                              The advanced configurability of the   mixed-reality games can benefit from the
        The 3D image sensors can            new REAL3™ 3D ToF sensor offers differ-  new sensor’s lowest power consumption,
                                            entiated camera performance to support
                                                                                offering users a significantly longer run-
        be dynamically configured           different object distance ranges, ambient   time. In applications such as 3D scanning
        via the I²C interface. During       light conditions, and use cases. Depending   for room and object reconstruction or 3D
                                                                                mapping for furniture design and
                                            on requirements, the new sensor enables
        operation, the frame rate           techniques such as augmented reality in real   similar applications such as architectural
                                            time (capture the scene in 3D in a flash),
                                                                                and industrial interior design, the sensor
        thus can be adjusted just as        long-range scanning, reconstruction of   doubles the measurement range compared
        easily as the exposure time or      small objects, fast autofocus with low power   with other commercially available sensor
                                            consumption, and image segmentation. This
                                                                                solutions. ■
        predefined operating modes.         allows effects such as background blurring in
                                            videos and images to be realized easily and   REFERENCES
                                            independently of lighting conditions and   1  Strategy Analytics experts, October 2020.
          The 3D image sensors can also be dynam-  without the need for heavy post-processing   2   Frey, J.; Kref, H.; Möller, T.; Riedel, H.; and
        ically configured via the I²C interface.   of the images.                Xu, Z. European Patent No. EP1585234B1.
        During operation, the frame rate thus can be   As a semiconductor manufacturer,   pmdtechnologies AG, 2005.
        adjusted just as easily as the exposure time   Infineon currently offers its REAL3™ port-  3   Acknowledgments to Rothermel, T.,
        or predefined operating modes, allowing for   folio of image sensors for mobile and other   pmdtechnologies; Bell, W. , Infineon; and
        functionality optimized to the lighting and   consumer applications as bare dies, while   Tschinder, R. , Infineon.
        operating environment. In addition, intelligent   system design with its wide range of require-
        power management ensures low power con-  ments is covered by design partners. For its   Eliana Brzozowski is senior
        sumption. And with REAL3™ image sensors,   part, pmdtechnologies provides the camera   product marketing manager
        ToF cameras can be reliably calibrated within   driver software for the full range of REAL3™   for 3D Image Sensors at
        seconds at the end of production.   3D ToF imagers, which enables the easy   Infineon Technologies.
          With an overall size of only 4.4 × 4.8 mm²,   configuration of the imagers via a compre-
        the new long-range REAL3™ image sensor is   hensive and versatile API for the above use   Stefan Vogel is director of product
        the perfect solution for compact 3D camera   cases and beyond.                 marketing for 3D Image Sensors at
        module designs in which board space is lim-  Volume delivery for the new sensor chip   Infineon Technologies.
        ited. Thanks to the highly integrated CMOS   will start in the second quarter of 2021.
        image sensors and Infineon VCSEL driver,   Demo kits are already available.     Jochen Penne is a member
        fewer components are used than are required   To recap, the new sensor generation   of the Executive Board at
        in other commercially available 3D sensors,   developed by Infineon in cooperation with   pmdtechnologies.

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