Subject: Legacy Noise Reduction Tooling and Software Preservation Target Environment: Adobe Photoshop 7.0 (Windows/Mac OS Classic) 1. Introduction Grain Surgery 2 was a seminal third-party plug-in developed by VisInf . During the era of Adobe Photoshop 7.0 (released in 2002), digital noise was a significant issue for photographers working with early digital SLRs or scanned film. While Photoshop 7.0 introduced the "Healing Brush," it lacked a dedicated, sophisticated noise reduction engine. Awek Kena Raba Target ★