NTIRE 2024 Challenge on Low Light Image Enhancement: Methods and Results

This paper reviews the NTIRE 2024 low light image enhancement challenge,highlighting the proposed solutions and results. The aim of this challenge isto discover an effective network design or solution capable of generatingbrighter, clearer, and visually appealing results when dealing with a varietyof conditions, including ultra-high resolution (4K and beyond), non-uniformillumination, backlighting, extreme darkness, and night scenes. A notable totalof 428 participants registered for the challenge, with 22 teams ultimatelymaking valid submissions. This paper meticulously evaluates thestate-of-the-art advancements in enhancing low-light images, reflecting thesignificant progress and creativity in this field.