Nikon’s EXPEED Image Processing Engine
June 22, 2009
Nikon is the world leader in digital photo imaging technology. It is recognised worldwide for the new standards and performances it tries to incorporate in its products. It has introduced many award winning compact as well as digital SLR cameras that are ideal gadgets for novices as well as for hard core professionals. Along with the production of cameras, it is also actively involved with the production of camera accessories and new software along with many other electronic gizmos.
The brain of any digital camera is its image processing engine. Now Nikon has also introduced its own image processing engine known as EXPEED. This image processing technology is incorporated in all the Nikon Coolpix and DSLR cameras. It features the basic ideas of the creation and processing of an image. It contains all the necessary technical knowledge of the various technologies that was acquired by Nikon in the course of transition from film based cameras to digital cameras. This technology portrays Nikon’s intense passion for digital images.
Unlike the Canon’s DIGIC processor or Sony’s BIONZ image processing engines, the EXPEED does not deal with specific features or sections. Rather, it relates to Nikon’s comprehensive conception in the field of digital image processing. In fact, EXPEED is used as a foundation based on which the other systems are modified to suit a particular model or characteristic. Thus it is evident that the EXPEED image processing engine has a major role to play in Nikon’s cameras.
This EXPEED image processing engine controls colour fostering around the outer boundary of the image, noise reduction along with providing smooth tonal effects to the resultant images. It contributes towards improved camera performance, faster response as well as quicker data transfer. As all the internal processing is handled in complete 16-bit colour, this image processing engine caters towards maintaining precision for tonal compression in order to generate realistic colour reproduction in the images.
At times, the lateral chromatic aberration may cause adverse effects to the image. This factor is reduced to a great extent by the EXPEED processor. It adjusts the magnification of each and every colour and aligns it aptly in order to produce optimum quality image with a true-to-life effect. It enables rich and varied blending of colours utilising the wide and dynamic range provided by Nikon’s image sensor. Also, it works towards improving the performance speed that includes shooting speed and memory card writing speed. Optimum noise reduction is done at a high ISO sensitivity of ISO 6400. Furthermore, it offers support for high definition television and a Compact Flash memory card.
On the whole, the EXPEED has been developed to greatly improve the signal to noise ratio, render true-to-life looking pictures, excellent image quality, great colour reproduction and amazing performance speed.
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