Non-local means

Statistics

Image restoration

White noise

Image (mathematics)

Pattern recognition (psychology)

Artificial intelligence

Noise reduction

Additive white Gaussian noise

Value noise

Noise floor

Video tracking

Multiview Video Coding

Noise measurement

Image denoising

Video denoising

Computer vision

Mathematics

Image noise

Computer science

Gaussian noise

Video processing

Image processing

Noise (video)

IEEE Transactions on Image Processing

Blind and universal image denoising consists of using a unique model that denoises images with any level of noise.It is especially practical as noise levels do not need to be known when the model is developed or at test time.We propose a theoretically-grounded blind and universal deep learning image denoiser for additive Gaussian noise removal.Our network is based on an optimal denoising solution, which we call fusion denoising.It is derived theoretically with a Gaussian image prior assumption.Synthetic experiments show our network's generalization strength to unseen additive noise levels.We also adapt the fusion denoising network architecture for image denoising on real images.Our approach improves real-world grayscale additive image denoising PSNR results for training noise levels and further on noise levels not seen during training.It also improves state-of-the-art color image denoising performance on every single noise level, by an average of 0.1d B, whether trained on or not.

Blind Universal Bayesian Image Denoising With Gaussian Noise Level Learning