en.Wedoany.com Reported - Nvidia announced at Computex that the ray reconstruction model for DLSS 4.5 has been improved and will be available for all GeForce RTX graphics cards starting in August. Games benefiting from this include titles with high demands on ray tracing and path tracing, such as Cyberpunk 2077, Star Wars Outlaws, and Alan Wake 2.

Ray reconstruction is an AI denoiser used in high-intensity ray tracing games. When ray tracing or path tracing is enabled in a game, the graphics card calculates lighting effects by tracing individual rays. Since current GPUs cannot perform real-time full sampling for every pixel, the generated image initially contains significant noise. Traditional denoisers rely on hand-tuned algorithms to smooth out this noise, but they often lead to blurred details and image artifacts. Ray reconstruction replaces traditional algorithms with an AI model, analyzing spatial and temporal image data from the game engine to more reliably reconstruct missing pixels, resulting in clearer, more stable images with more accurate lighting and fewer artifacts.

The ray reconstruction model includes an independent scaling component. Earlier this year, Nvidia upgraded the scaling model to DLSS 4.5 using a new Transformer method, improving image quality in non-ray tracing games, but ray reconstruction was not initially included in this upgrade. This forced players to choose between the improved scaling of DLSS 4.5 and ray reconstruction when using ray tracing.

Since ray reconstruction is nearly indispensable in high-intensity ray tracing games, the advantages of the DLSS 4.5 upgrade have not fully benefited these benchmark titles. This makes the new ray reconstruction model an urgent need for Nvidia graphics card users. According to Nvidia's official blog, compared to the existing model, the new model provides 35% more computational power at a similar performance cost, enabling deeper integration into the scene's spatial awareness and more effective use of motion and lighting data within the engine.

Specifically in terms of game performance, the new model reduces ghosting in snow and particle effects in Indiana Jones and the Great Circle; in Pragmata, lighting responds faster to laser effects, with fewer artifacts remaining after the laser is turned off; in Alan Wake 2, fine patterns on in-game televisions appear more stable and clearer. Overall, game visuals using the new ray reconstruction model should have less noise. Upon release in August, ray reconstruction 4.5 will be available in 27 games, including Avatar: Frontiers of Pandora, Hogwarts Legacy, Half-Life 2 RTX, and Doom: The Dark Ages. Starting in August, like the scaling and frame generation components of DLSS, the new ray reconstruction model can be manually configured via the Nvidia app.

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