The SPIE Defense, Security, and Sensing Exhibition is an opportunity for camera, sensor, optics, computer and other systems builders to share their latest innovations with the global security market.
With advances in filters, color processing, and overall sensor control by experienced camera designers, the shortcomings for single chip (Bayer filter mosaic) color cameras compared to 3-chip prism-based color cameras have nearly been eliminated. We have compared the different technologies with regards to image quality and color fidelity. Here we will compare with regards to…
Image sensors designed for machine vision applications are proving beneficial in traffic systems, such as automatic license plate recognition systems, because of their exceptional image quality and reliability in extended temperature ranges. Except, these image sensors are optimized for use under controlled lighting conditions and have challenges in outdoor lighting conditions especially extreme situations such…
Surveillance and situational awareness systems are relying on daylight full motion video more and more. The camera requirements for this use are unique and cannot be met by consumer cameras or machine vision cameras.
For OEMs building systems in series production, whether in machine vision equipment, medical devices, or global security products; repeatability and reproducibility of the cameras can be just as important as raw performance. Image uniformity can influence the accuracy of the system or the degree of closeness of measurements to the actual (true) value. But the…
With increased security concerns in recent years, surveillance has been intensified at airports, seaports, in cities, at borders, etc. To improve the information gathered from these systems, the big trends are the move from still imagery to full motion video and then better video analytics to automatically evaluate the images for unusual events. A ReportsNReports…
There have been many new blogs started that are helpful resources on machine vision and industrial camera/image sensor topics.
An increase in resolution to a 25 Megapixel CMOS camera, can allow for a wider field of view (FOV), and better optical and/or measurement resolution. These cameras are a cost-effective way to make a performance leap in inspection and metrology systems.
In CMOS image sensors the pixel response on exposure varies – more excessively than in CCD – from pixel to pixel. The image quality is also affected by a lot of external factors such as lighting, optics, temperature, etc. This is especially so for ultra high-resolution (8 MP and greater) image sensors and cameras. These…
The increased field of view and/or throughput provided by 25 Megapixel Cameras can only be a real benefit for inspection and metrology applications with uniform images and linear pixel response. Active Sensor Control (ASC) is an automated way in a camera to correct for various deviating pixel conditions in an image sensor, such as fixed…
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