“…The research in this area aims to manipulate image content in a controlled manner. To enable user-guided manipulation, a variety of frameworks [3,9,21,23,33,37,43,47,52,57,62,63,70,75,77,78,81] have been proposed to study different control signals. For instance, Zhang et al [78] and Zou et al [86] used sparse dots and text respectively to guide the image colorization process.…”