Are there simpler ways of magnifying video? For example, converting to HSV and amplifying the Hue scale inter-frame differences for example? Sorry if that seem

Are there simpler ways of magnifying video? For example, converting to HSV and amplifying the Hue scale inter-frame differences for example? Sorry if that seem a very simplistic approach, but curious what other techniques have been tried outside of Eulerian/Lagrangian magnification?