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This application report deals with the design and application of a novel high speed computer vision system for real-time analysis of the wing kinematics of tethered flying fruit flies. The system uses a camera with dynamic regions of interes (ROI) to increase temporal resolution from localized sampling, without loss of spatial resolution.
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The quality inspection system SOUVIS 5000 has been adapted for the fully automated seam inspection on decklids and liftgates and offers an efficient and secure alternative to a manual visual inspection. In this inspection system the Photonfocus CMOS camera MV-D1024-80 is implemented.
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The SOUVIS 5000 system is a powerful tool for the analysis of welded seams. In this system the CMOS camera MV-D1024-80 is implemented.
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The demands placed on the intelligence of a camera are determined in large part by the role the camera plays in image processing systems, and are based on the applications used. Today cameras are not only used for recording images but also for pre-processing image data. With “intelligent” cameras, as they are called, this goes even further: they are implemented as DSP or PC cameras and represent complete image processing systems.
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Leica Geosystems developed an armless coordinate measuring machine (CMM), the T-Probe and T-Scan, for use with its laser trackers. The combination of the tracker technology with photogrammetry forms the base of Leica Geosystems’ new Local Positioning Technology (LPT) that enables real time measurements with freely in space moved hand held devices such as the T-Probe and T-Scan. The Photonfocus imager is an important component of this measurement system.
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Photonfocus AG in Switzerland develops and produces image sensors for automotive applications. This article shows the special requirements for imager chips in automobiles and gives some examples of automotive-qualified image sensors based on CMOS technology. The results point out the principal advantages of CMOS chip technology in comparison to CCD. In addition, there is an outlook for the next generation of automotive CMOS sensors.
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Laser Welding
( PDF, 1573 kb, Revision: 1.0)Applications in Laser Welding
- On-line Improvement of laser-weld quality
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To increase throughput and reliability of automotive parts, a machine-vision inspection system assesses weld-seam integrity.
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Radiation from the working zone during laser welding is captured by a CMOS camera from Photonfocus and the images processed in a PC. The high speed and exceptional contrast of the camera ensure that the welding process is optimally controlled and adjusted. This results in a significant improvement in productivity and quality.
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Important parameters for trouble-free rail traffic are the rail profile, the position of the rail, the track gauge, wear of the rail bodies and the sinking of the track bed. The 3D laser measuring technology presented here is based on the principle of laser light section procedure and can be used in production in the rolling plant as well as the body of the rail car or in special and service vehicles.
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A German car manufacturer conducts a complete and thorough check of the joint during laser welding using a fully automatic online inspection system. This has led to shorter reaction times and increased process reliability. An image processing system developed by Photonfocus and Soudronic is used for this.
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How suitable for everyday use are Firewire and USB2 systems, which are offered as low cost solutions or as alternatives below the level of CameraLink?
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The two companies Photonfocus AG and Silicon Software GmbH developed a joint solution to support the acquisitions of very fast image sequences with varying system configuration in subsequent frames. On the basis of a fast, high resolution CMOS camera and an intelligent FPGA-framegrabber, regions of interest (ROIs) can dynamically be defined with respect to size and position; exposure time as well as the sensitivity can be adjusted within each ROI independently.
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