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In this video tutorial on image enhancement, the focus is on the resolution merge, a critical spatial image enhancement process. Satellites often capture medium or lower-resolution multispectral images and high-resolution panchromatic images. Most remote sensing and GIS applications require high-resolution colored images. The resolution merge technique combines two images of the same area: one multispectral (medium resolution, colored) and one panchromatic (high resolution, grayscale). This merging produces a final image that retains the color information from the multispectral image while achieving the high spatial resolution of the panchromatic image. The tutorial demonstrates this process using QuickBird satellite images of the pyramids.