VRmagic DC: Multisensor Camera with Linux
29 Jul 2011
The intelligent freely programmable multisensor cameras of the DC series from VRmagic equipped with their own Linux operating system can also perform complex image processing tasks completely autonomously. Up to four external sensors are each connected to the central processing unit via a Flex-Foil cable of up to 50 cm in length. They enable pixel-synchronous image acquisition from several positions, such as those required for 3D reconstructions of moving objects.
CMOS sensors with Global Shutter
The CMOS sensors with global shutter are available in monochrome and colour and with resolutions from VGA to megapixels. Coordination of the image data and management of the buffer take place on an FPGA module with 256 MB RAM. For VISION 2011, the intelligent multisensor camera will also be available with the Sony ICX445 CCD sensor.
Processors and Interfaces
The DaVinci processor from Texas instruments incorporated in the camera is a 300 MHz ARM9 processor, in which Debian Linux is running as autonomous operating system, while the 600 MHz DSP with 4800 MIPs is available completely for image processing tasks. A stable and quick file system (UBIFS) provides high data integrity. The supported interfaces include Ethernet, USB 2.0 Host, RS232 and General Purpose I/O. Also available are an analogue video output and optionally CAN and profibus.
The standard operating system Debian Linux offers experienced developers an open platform, where they can program their own applications in C/C++ or any common script language. Algorithms can be developed using standard environments such as Visual Studio or Code Composer Studio and transferred to the camera via Cross-Compilers. Host system and camera are equipped with the same API for controlling the camera function and providing unrestricted access to the sensor raw data.
The cameras of the DC series are aimed at integration into OEM projects that produce series quantities.