1. The process of increasing the size, resolution or quality of something
   "Get amazing high-res images with upscaling"

1. To improve the quality, value, or status of something
   "The company decided to upscale its product line to attract wealthier customers"
    
2. (computing) to increase the size or resolution of an image or video
   "They used AI technology to upscale the old footage to 4K resolution"

Encyclopedia: Upscaling