Graphics enhancement and image restoration in big data technology can effectively improve the clarity of the image, remove the noise, highlight the key parts of the image.

To purposefully emphasize the overall or local characteristics of the image, the original unclear image becomes clear or emphasize some of the features of interest, expanding the differences between the features of different objects in the image, suppressing uninteresting features, so that it improves the image quality, enriching the amount of information to strengthen the image interpretation and recognition effects, to meet the needs of some special analysis.