Modern smartphone photography is as much a product of what the image sensor captures as it is of what an image processor does with the information afterwards. Xiaomi has presented a paper that aims to solve a common issue of small pixels - limited dynamic range - by employing an AI to fix the exposure of the photo. But not the whole photo, instead the image is segmented into sub-images and their exposure is adjusted separately. Then the different parts are merged to form the final image. Take this image for example. The buildings are white, the clouds are white and the overexposed sky...
Source: https://www.gsmarena.com/xiaomi_builds_ai_deepexposure_to_restore_detail_in_over_under_exposed_photos-news-34568.php
