The FLUX Kontext model for JPEG artifact removal isn't a simple automated filter. It leverages text prompts to guide the restoration process, allowing users to describe the image's original content to help the AI more accurately reconstruct details lost to compression.
The FLUX Kontext model demonstrates the power of specialized AI. By focusing solely on JPEG compression artifacts, it achieves superior results for that specific problem compared to general-purpose image restoration models designed to handle a wider range of damage like scratches or fading.
Tools like FLUX Kontext provide parameters like a "guidance scale" that give users control over the restoration. This allows for a trade-off between a conservative, faithful artifact removal and more creative, AI-driven enhancements, rather than being a simple on/off fix.