UVG 4K Video dataset|视频编解码数据集|高分辨率视频数据集

包含多个高分辨率视频序列，用于视频编解码分析和开发，每个序列都有详细的视觉和运动特征描述。

原始信息汇总

UVG 4K Video Dataset Summary

Dataset Overview

• Citation: A. Mercat, M. Viitanen, and J. Vanne, “UVG dataset: 50/120fps 4K sequences for video codec analysis and development,” Accepted to ACM Multimedia Syst. Conf., Istanbul, Turkey, June 2020.

Video Sequences

1. Beauty

   • Frame rate: 120fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 5s
   • Bit depth: 8 and 10
   • Motion: Slow / plenty of
   • Texture: Complex
   • Contrast: High
   • Description: A close-up of female face with hair blowing in the wind.
   • Specific features: High contrast between black background and female face; Noisy background.

2. Bosphorus

   • Frame rate: 120fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 5s
   • Bit depth: 8 and 10
   • Motion: Slow / plenty of
   • Texture: Complex
   • Contrast: Low
   • Description: A black boat cruising on the waterway.
   • Specific features: Rippling water; foggy background composed of a hilly landscape, a seaside village, and a suspension bridge.

3. CityAlley

   • Frame rate: 50fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 12s
   • Bit depth: 8 and 10
   • Motion: Slow / little
   • Texture: Complex
   • Contrast: High
   • Description: A slow upward pan in a dark alley.
   • Specific features: Detailed people on top of a tall tower at the end of the alley; high contrast between the alley and opening view.

4. FlowerFocus

   • Frame rate: 50fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 12s
   • Bit depth: 8 and 10
   • Motion: Slow / little
   • Texture: Smooth
   • Contrast: Low
   • Description: A close-up of a colorful red flower blowing in the wind.
   • Specific features: Blurred green background; after panning up, the focus changes to flowers in the background.

5. FlowerKids

   • Frame rate: 50fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 12s
   • Bit depth: 8 and 10
   • Motion: Slow / plenty of
   • Texture: Complex
   • Contrast: High
   • Description: Two kids moving in a yellow flower field in a busy park.
   • Specific features: Children close to the camera; camera shaking along the sequence; a lens flare caused by the sun in the background.

6. FlowerPan

   • Frame rate: 50fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 12s
   • Bit depth: 8 and 10
   • Motion: Slow / little
   • Texture: Complex
   • Contrast: Low
   • Description: A pan across a motionless colorful flower field.
   • Specific features: Three bands of flowers: red, yellow, and indigo; flying insects on the flowers.

7. HoneyBee

   • Frame rate: 120fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 5s
   • Bit depth: 8 and 10
   • Motion: Fast / little
   • Texture: Complex
   • Contrast: Low
   • Description: A focus on a honeybee flying from flower to flower.
   • Specific features: Fixed camera focused on the middle; blurred flowers in the foreground and the background.

8. Jockey

   • Frame rate: 120fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 5s
   • Bit depth: 8 and 10
   • Motion: Fast / plenty of
   • Texture: Smooth
   • Contrast: High
   • Description: A galloping racehorse with a jockey.
   • Specific features: Camera tracks the horse causing fast moving background; the focus changes from the jockey to the legs of the horse.

9. Lips

   • Frame rate: 120fps
   • Resolution: 2160p
   • Frames: 600
   • Duration: 5s
   • Bit depth: 8 and 10
   • Motion: Slow / little
   • Texture: Smooth
   • Contrast: High
   • Description: A close-up of a female putting red lipstick with a brush.
   • Specific features: Part of the face in the foreground is out of focus; high contrast between black background and female face.

10. RaceNight

    • Frame rate: 50fps
    • Resolution: 2160p
    • Frames: 600
    • Duration: 12s
    • Bit depth: 8 and 10
    • Motion: Fast / plenty of
    • Texture: Smooth
    • Contrast: High
    • Description: A group of horses and jockeys racing at night.
    • Specific features: Camera tracks the horses in the first half of the sequence making the background move; static camera in the second half.

11. ReadySetGo

    • Frame rate: 120fps
    • Resolution: 2160p
    • Frames: 600
    • Duration: 5s
    • Bit depth: 8 and 10
    • Motion: Fast / plenty of
    • Texture: Complex
    • Contrast: High
    • Description: Horses go out of a starting gate at start of a horserace.
    • Specific features: Camera tracks the horses creating occluded areas; sideways movement.

12. RiverBank

    • Frame rate: 50fps
    • Resolution: 2160p
    • Frames: 600
    • Duration: 12s
    • Bit depth: 8 and 10
    • Motion: Slow / little
    • Texture: Complex
    • Contrast: High
    • Description: A slow pan across riverbank.
    • Specific features: Rippling water sparkling with the sun; background composed of detailed trees and blue sky.

13. ShakeNDry

    • Frame rate: 120fps
    • Resolution: 2160p
    • Frames: 300
    • Duration: 2.5s
    • Bit depth: 8 and 10
    • Motion: Slow / plenty of
    • Texture: Complex
    • Contrast: Low
    • Description: A dog shaking itself dry in a forest.
    • Specific features: Water drops flying around; the dog leaves the static scene at the end of the sequence.

14. SunBath

    • Frame rate: 50fps
    • Resolution: 2160p
    • Frames: 300
    • Duration: 6s
    • Bit depth: 8 and 10
    • Motion: Slow / plenty of
    • Texture: Smooth
    • Contrast: High
    • Description: Tree branches swinging in front of the sun.
    • Specific features: Part of the branches coming in and out of the scene; background overexposed from direct sunlight.

15. Twilight

    • Frame rate: 50fps
    • Resolution: 2160p
    • Frames: 600
    • Duration: 12s
    • Bit depth: 8 and 10
    • Motion: Slow / plenty of
    • Texture: Smooth
    • Contrast: High
    • Description: Arrival of a tram at twilight.
    • Specific features: Dark scene; a man is crossing the scene at the end of the sequence.

16. YachtRide

    • Frame rate: 120fps
    • Resolution: 2160p
    • Frames: 600
    • Duration: 5s
    • Bit depth: 8 and 10
    • Motion: Fast / plenty of
    • Texture: Complex
    • Contrast: High
    • Description: A close-up of a boat cruising on the waterway.
    • Specific features: Camera focused on foam and water sparkling with the sun; the boat leaves the scene at the end of the sequence.

AI搜集汇总

数据集介绍

构建方式

UVG 4K视频数据集通过精心挑选和录制多种场景，涵盖了从自然景观到城市街景的广泛主题。每个视频片段均以4K分辨率（2160p）录制，帧率包括50fps和120fps，以满足不同视频编码分析和开发的需求。数据集中的视频片段时长统一为5秒或12秒，帧数为600帧，部分片段为300帧。所有视频均提供8位和10位的比特深度，以确保色彩和细节的精确呈现。每个视频片段的特性，如运动速度、纹理复杂度和对比度，均经过详细标注，以便研究人员能够针对特定需求进行选择和分析。

特点

该数据集的显著特点在于其高分辨率和多样化的场景选择，涵盖了从缓慢的自然运动到快速的城市动态。视频片段的帧率设置为50fps和120fps，提供了不同时间分辨率的对比，适用于研究视频编码的实时性能。此外，每个视频片段的详细描述，包括运动特性、纹理复杂度和对比度，为研究人员提供了丰富的分析维度。数据集中的视频片段还特别标注了特定的视觉特征，如高对比度区域、模糊背景和镜头光晕等，这些特征对于视频编码和图像处理算法的测试和优化具有重要意义。

使用方法

UVG 4K视频数据集适用于视频编码、图像处理和计算机视觉领域的研究。研究人员可以通过下载数据集中的视频片段，进行视频压缩算法、图像增强技术以及运动估计等方面的实验。数据集提供了详细的视频特性描述，研究人员可以根据需要选择特定的视频片段进行分析。此外，数据集支持8位和10位的比特深度，研究人员可以针对不同的色彩和细节需求进行实验。在使用数据集时，建议引用相关文献以确保研究的透明性和可重复性。

背景与挑战

背景概述

UVG 4K视频数据集由A. Mercat、M. Viitanen和J. Vanne于2020年创建，旨在为视频编解码器分析和开发提供高质量的4K视频序列。该数据集包含了多种场景，如人脸特写、自然景观、城市街景等，帧率高达120fps，分辨率为2160p，适用于高帧率和高分辨率视频的研究。其丰富的视频内容和多样化的场景特征，使其成为视频编码、压缩和处理领域的重要资源，推动了相关技术的进步。

当前挑战

UVG 4K视频数据集在构建过程中面临多项挑战。首先，高分辨率和高帧率的视频数据对存储和传输提出了极高的要求，增加了数据处理的复杂性。其次，不同场景的复杂纹理、高对比度和快速运动等特性，对视频编码和压缩算法提出了严峻的考验。此外，数据集的多样性和细节丰富性，要求算法在处理时具备高度的鲁棒性和精确性，以应对各种复杂的视觉场景。

常用场景

经典使用场景

UVG 4K视频数据集在视频编解码分析与开发领域中具有经典应用场景。该数据集提供了高分辨率（2160p）、高帧率（50/120fps）的视频序列，涵盖了多种复杂的运动、纹理和对比度特征。这些特性使得该数据集成为评估和优化视频编解码器性能的理想选择，尤其是在处理高动态范围、复杂纹理和快速运动场景时。

衍生相关工作

UVG 4K视频数据集的发布催生了一系列相关研究工作。许多研究者基于该数据集开展了视频压缩算法的研究，提出了多种改进的编解码技术，如基于深度学习的视频压缩模型和自适应编码策略。此外，该数据集还被广泛用于视频质量评估（VQA）研究，推动了无参考视频质量评估算法的发展。这些衍生工作不仅丰富了视频编解码领域的研究内容，还为实际应用提供了技术支持。

数据集最近研究

最新研究方向

在视频编码与分析领域，UVG 4K视频数据集因其高分辨率、高帧率以及丰富的场景多样性，成为研究视频压缩、编码效率提升及视频质量评估的前沿工具。该数据集的高动态范围和复杂纹理特性，尤其适用于深度学习模型在视频压缩中的应用研究，如基于神经网络的编码算法优化和视频质量感知模型的开发。此外，随着超高清视频内容的普及，UVG数据集在推动4K视频传输与存储技术的发展中扮演着关键角色，为研究者提供了评估和比较不同编码方案性能的标准化平台。