Flipping and Rotation Intra Block Copy in VVC #sciencefather #researcherawards #VVC

 🌀 FR-IBC: Flipping and Rotation Intra Block Copy for Versatile Video Coding

 

🎥 Introduction

In the era of ultra-high-definition (UHD) and 8K videos, efficient compression techniques are vital for achieving superior quality with minimal bandwidth. One such breakthrough in video compression technology is FR-IBC (Flipping and Rotation Intra Block Copy), a key enhancement introduced in Versatile Video Coding (VVC) standards.

⚙️ What is FR-IBC?

FR-IBC extends the traditional Intra Block Copy (IBC) method by integrating flipping and rotation transformations. This means that instead of copying blocks directly within the same frame, the algorithm can flip or rotate them to better match similar regions. This flexibility significantly reduces redundancy in still or repetitive video content.

📈 How It Works

The process involves identifying similar pixel blocks within the same frame. By allowing rotation (90°, 180°, 270°) and horizontal or vertical flipping, FR-IBC maximizes data reuse. As a result, fewer bits are required to represent complex scenes, leading to enhanced compression efficiency without sacrificing visual fidelity.

🌟 Benefits of FR-IBC in VVC

• 🔹 Higher compression efficiency — Reduces file size with minimal quality loss.

• 🔹 Improved coding flexibility — Handles symmetrical and rotated patterns efficiently.

• 🔹 Enhanced performance — Ideal for screen content and high-resolution video streams.

🚀 Applications

FR-IBC plays a crucial role in screen content coding, video conferencing, gaming, and multimedia streaming, where repeated or mirrored patterns are common.

💡 Conclusion

The FR-IBC innovation showcases how intelligent transformations like flipping and rotation can redefine modern video compression. As multimedia demands continue to grow, such advancements in Versatile Video Coding pave the way for more efficient, high-quality visual experiences.

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