Fixing dull colour images. How B&W editing tools like Silver Efex Pro can work with colour images

Keith looks at using a black and white version of a colour image to change its tonality by use of luminosity blending... It's a technique Keith has used for many years to boost 'dull' colour images. There are several articles exploring the process in much more detail: https://www.northlight-images.co.uk/u... and https://www.northlight-images.co.uk/u... The use of Topaz Gigapixel AI is covered in greater detail in several articles: https://www.northlight-images.co.uk/t... https://www.northlight-images.co.uk/u... https://www.northlight-images.co.uk/p... The importance of source image processing is also addressed in Keith's original Gigapixel review. https://www.northlight-images.co.uk/t...