2009年5月10日星期日
Image signal processor
STMicroelectronics introduced a new stand-alone high-performance image signal processor, the new products to support mobile phones with built-dual-camera, so that cell phones with digital cameras taking pictures at the same level of performance. ST the latest digital video processor can control the integrity of the cell phone video subsystem supports a wide range of camera modules, including the resolution of up to 500 million pixels SMIA (standard mobile imaging architecture) compatible sensors. STv0986 mobile phone to achieve full-featured image processor of the image chain (from noise reduction to smooth digital zoom), and integrated compression factor quantization tables and programmable hardware JPEG encoder. Because the use of advanced processing algorithms, STv0986 able to show excellent image quality. The new image processor to support the image the direction of effects, such as: Image reflection, vertical or horizontal flip and arbitrary rotation angle, color processing functions, including old brown-and black-and-white photos of two models. 300 (500) million resolution, STv0986 per second up to 20 (12.5) Qizhen rate continuous video streaming, high-speed shooting mode, Anti-shake mode of the best photography and pre-shoot mode has become very easy to achieve. Pre-shoot mode, the camera will automatically take pictures before and after pressing the shutter, the photographer can shoot pictures in a row to choose their own favorite works. STv0986 unique dual video processing pipeline architecture to solve the problem of shutter delay to ensure that the effect of static images taken with the viewfinder screen window in exactly the same - WYSIWYG. The dual-pipeline architecture also provides a true full-frame mode of transmission of the camera to ensure that the local viewfinder image by 4 times and through the smooth digital true zoom (optional) of the images simultaneously. As a result of the advanced auto-focusing (AF) control loop, STv0986 the camera auto-focus camera and very fast, only 0.6 seconds. AF system to control various actuator technologies such as voice coil motors, piezoelectric actuators and stepper motors. Automatic sense control (auto-ISO control) and best combination of picture identification STv0986 function to provide a stable picture. ST for LED or Xenon flash solutions provide a complete system support. In addition to the phone apart, STv0986 also apply to PDA, handheld game consoles, electronic security systems and video phones eyes. ST will STv0986 and supporting the use of the camera module, you can design a complete mobile imaging system. ST of this VB6851 and VS6555 with the latest image processor can constitute a two-camera configuration. VB6851 is a level QXGA auto-focus camera modules, SMIA compatible with standard-definition and the module size (8.5x8.5x5.9mm) leader in the level of similar products; and VS6555 is a VGA-level camera module, the lens is optimized specifically for video conferencing design, low power consumption
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