Video Processing and Restoration

Report on Current Developments in Video Processing and Restoration

General Direction of the Field

The field of video processing and restoration is witnessing a significant shift towards more efficient, robust, and innovative solutions that address various challenges such as moire pattern removal, video inpainting, rolling shutter correction, JPEG artifact removal, and video deblurring. Recent advancements are characterized by the integration of novel architectures, self-supervised learning techniques, and the incorporation of diffusion models to enhance the quality and temporal consistency of processed videos.

  1. Efficiency and Robustness: There is a growing emphasis on developing models that are not only effective but also computationally efficient. This is evident in the use of alignment-free methods, lightweight networks, and transformer-based architectures that reduce computational burdens while maintaining high performance.

  2. Self-Supervised Learning: The adoption of self-supervised learning strategies is becoming prevalent, particularly in tasks like rolling shutter correction and dual reversed rolling shutter correction. These methods leverage cycle consistency and bidirectional correlation matching to train networks without the need for high framerate global shutter images as ground-truth.

  3. Integration of Diffusion Models: The introduction of diffusion models into video processing tasks, such as video deblurring, is a notable innovation. These models are being adapted to work in compact latent spaces, generating high-frequency details that enhance the quality of deblurred videos.

  4. Temporal Consistency: Ensuring temporal consistency across video frames is a key focus, with methods like video inpainting and MIMO video restoration networks incorporating strategies to maintain natural transitions and reduce motion artifacts.

  5. Real-World Applicability: There is a shift towards addressing real-world scenarios, such as double JPEG artifact removal and low-latency video restoration, indicating a growing interest in practical applications that can be deployed in consumer devices.

Noteworthy Papers

  • DemMamba: Introduces an alignment-free Raw video demoireing network with frequency-assisted spatio-temporal Mamba, surpassing state-of-the-art approaches by 1.3 dB.
  • FFF-VDI: Proposes a novel First Frame Filling Video Diffusion Inpainting model, effectively integrating image-to-video diffusion models into video inpainting tasks for natural and temporally consistent results.
  • SelfDRSC++: Enhances self-supervised learning for dual reversed rolling shutter correction, achieving superior performance while simplifying the training process.
  • OAPT: Develops an Offset-Aware Partition Transformer for double JPEG artifacts removal, outperforming state-of-the-art methods by more than 0.16 dB.
  • VD-Diff: Rethinks video deblurring with a Wavelet-Aware Dynamic Transformer and Diffusion Model, setting new benchmarks on multiple datasets.

These papers represent significant advancements in the field, pushing the boundaries of video processing and restoration through innovative techniques and architectures.

Sources

DemMamba: Alignment-free Raw Video Demoireing with Frequency-assisted Spatio-Temporal Mamba

Video Diffusion Models are Strong Video Inpainter

SelfDRSC++: Self-Supervised Learning for Dual Reversed Rolling Shutter Correction

OAPT: Offset-Aware Partition Transformer for Double JPEG Artifacts Removal

Adapting MIMO video restoration networks to low latency constraints

Rethinking Video Deblurring with Wavelet-Aware Dynamic Transformer and Diffusion Model