Multi-task single lens for automotive vision applications - LRIO

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Figures 12 and 13 show ways to avoid a blind zone. The driver can see everything in the blind zone using his/her onboard display. The panomorph lens design suggested in this paper increases the resolution of objects along the border and right in the middle. Where the resolution is higher, the camera is able to see for a longer distance. The panomorph distortion is optimized for this type of application. The driver is able to see far down each side of the street. Figure 12: Two views rendering either side of the intersection Figure 13: 190° strip integrating full intersection In Figures 12 and 13, the topmost image is the panomorph picture with certain areas highlighted. The lower ones show the projections as processed from the pixels in these areas. There are no limitations in terms of projection ability, although the scope for real applications requires imagination and, ultimately, driver understanding. For example, one could mount four (4) panomorph lenses all around the vehicle to provide a complete view for parking assistance (Figure 13) with the added benefits of panomorph technology’s augmented resolution. Proc. of SPIE Vol. 7314 731409-12 Downloaded from SPIE Digital Library on 10 Jun 2011 to 132.203.118.98. Terms of Use: http://spiedl.org/terms
Figure 13: View of area surrounding vehicle using four (4) panomorph lenses. 5. CONCLUSION AND OPPORTUNITIES This paper presents a variety of viewing needs related to specific automotive applications, now and into the future. Computer vision-based applications (analytics) will require various resolution factors (pixel per degree) in various areas of a vehicle’s field-of-view (FoV), depending on the position of the objects to be analyzed, as well as distance and size. Viewing application requirements, on the other hand, will focus on the clarity and quality of the images to be displayed to the driver. We also saw that the objects to be detected, analyzed and viewed can literally be everywhere around the vehicle. We demonstrated that a novel panomorph technology (optics and software) performs significantly better than other traditional panoramic vision systems in fulfilling various needs relating to automotive applications. In conclusion, the novel pixel-optimization characteristic of panomorph optics allows the integration of many applications with the use of fewer vision sensors. Finally, we demonstrated in the case study that, because of the specific panomorph resolution pattern suggested in this case, panomorph optics can increase the distance by a factor of 70% compared to a fisheye lens. It can also reduce computation time, while at the same time achieving high recognition performance. All of these benefits will bring a total cost reduction to the automotive industry for the various systems that require vision sensing. Proc. of SPIE Vol. 7314 731409-13 Downloaded from SPIE Digital Library on 10 Jun 2011 to 132.203.118.98. Terms of Use: http://spiedl.org/terms
Page 1 and 2: Multi-task single lens for automoti
Page 3 and 4: Self parking Road inspection Interi
Page 5 and 6: For many years now, flat mirrors ha
Page 7 and 8: Figure 6 shows the front-view image
Page 9 and 10: With a panomorph lens, we can custo
Page 11: create a projection table (LUT) tha

Multi-task single lens for automotive vision applications - LRIO

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