An image processor is a chip that is in-built into a digital camera. Image processing is a form of signal processing that transforms the image signal into a clear and precise image file. These days digital cameras include a dedicated image processing chips that convert the RAW data obtained from image sensors into a standard image format with the respective colour combinations. Due to these image processors the digital cameras always have an upper hand over conventional film cameras. This is because the image processing is done by special software that can manipulate the image in a number of ways. You can come across a variety of image processors have been introduced by different manufacturers. Like Canon who founded DIGIC III processor and Nikon which uses EXPEED processor, Sony has established the BIONZ Image Processing Engine. This BIONZ Imaging Processor has been incorporated into all Sony’s latest compact and professional cameras as well as camcorders.
An image sensor is the heart of any digital camera. Usually CCD sensors were used for small and digital cameras, however these days they are being gradually replaced by CMOS sensors for higher quality and battery life. Sony has instituted the concept of High Definition video with the ClearVid CMOS Sensor. This CMOS sensor features Exmor technology, that enables it to provide higher resolution and better sensitivity with a large dynamic range.
As mentioned earlier, the image processor converts the raw data into a complete image. However the image processing engine is a major deciding factor that determines the clarity and precision with which the conversion is done. To support enhanced details reproduction, Sony’s BIONZ Image Processing Engine inculcates a sense of re alism in each and every shot. It renders colours and adds rich texture and depth to convert it as the human eye would be able to view it. It works in conjunction with Exmor CMOS sensor that eliminates noise during the raw data conversion and image processing periods. The image thus reproduced is a realistic one that is rich in colour and detail. In cases where the background is very bright, this image processor suppresses the colour and luminance and noise to deliver a true-to-life photo.
Sony’s BIONZ processor has revolutionised the digital camera industry and it unquestionably portrays the quality level of Sony Electronics.
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