Image colorization: A survey and dataset

Saeed Anwar, Muhammad Tahir, Chongyi Li, Ajmal Mian, Fahad Shahbaz Khan, Abdul Wahab Muzaffar

Abstract: Highlights•We review colorization, providing settings, metrics, datasets and comparison.•We propose a novel colorization network’s taxonomy on type, structure, I/O etc.•We present a new colorization benchmark dataset, the Natural-Color Dataset (NCD).•We systematically evaluate state-of-the-art models on our Natural-Color Dataset.•We explore network components, insights, challenges, and the future direction.