Appeal prediction for AI up-scaled Images

1 code implementation • 19 Feb 2025 • Steve Göring, Rasmus Merten, Alexander Raake

Furthermore, we train a DNN to detect which up-scaling method has been used, the trained models have a good overall performance in our evaluation.

Prediction SSIM +1

AIS 2024 Challenge on Video Quality Assessment of User-Generated Content: Methods and Results

1 code implementation • 24 Apr 2024 • Marcos V. Conde, Saman Zadtootaghaj, Nabajeet Barman, Radu Timofte, Chenlong He, Qi Zheng, Ruoxi Zhu, Zhengzhong Tu, Haiqiang Wang, Xiangguang Chen, Wenhui Meng, Xiang Pan, Huiying Shi, Han Zhu, Xiaozhong Xu, Lei Sun, Zhenzhong Chen, Shan Liu, ZiCheng Zhang, HaoNing Wu, Yingjie Zhou, Chunyi Li, Xiaohong Liu, Weisi Lin, Guangtao Zhai, Wei Sun, Yuqin Cao, Yanwei Jiang, Jun Jia, Zhichao Zhang, Zijian Chen, Weixia Zhang, Xiongkuo Min, Steve Göring, Zihao Qi, Chen Feng

The performance of the top-5 submissions is reviewed and provided here as a survey of diverse deep models for efficient video quality assessment of user-generated content.

Video Quality Assessment Visual Question Answering (VQA)

Bitstream-based Model Standard for 4K/UHD: ITU-T P.1204.3 - Model Details, Evaluation, Analysis and Open Source Implementation

1 code implementation • Twelfth International Conference on Quality of Multimedia Experience (QoMEX) 2020 • Rakesh Rao Ramachandra Rao, Steve Göring, Peter List, Werner Robitza, Bernhard Feiten, Ulf Wüstenhagen, Alexander Raake

Index Terms-bitstream model, video quality, machine learning , HTTP adaptive streaming.

4k model

cencro -- Speedup of Video Quality Calculation using Center Cropping.

1 code implementation • IEEE International Symposium on Multimedia 2019 • Steve Göring, Christopher Krämmer, Alexander Raake

We use VMAF as an example with a video database up to 4K resolution videos, to show that our approach works well.

4k 8k

AVT-VQDB-UHD-1: A Large Scale Video Quality Database for UHD-1

1 code implementation • IEEE International Symposium on Multimedia 2019 • Rakesh Rao Ramachandra Rao, Steve Göring, Werner Robitza, Bernhard Feiten, Alexander Raake

In the second step, different state-of-the-art objective quality models were applied to all videos and their performance was analyzed in comparison with the subjective ratings, e. g. using Netflix's VMAF.

4k

Evaluation of Intra-coding based image compression.

1 code implementation • 8th European Workshop on Visual Information Processing 2019 • Steve Göring, Alexander Raake

Beside classical image compression, e. g. JPEG, there is also ongoing development to use video codecs to compress images.

Image Compression

HTTP Adaptive Streaming QoE Estimation with ITU-T Rec. P.1203 – Open Databases and Software

1 code implementation • ACM Multimedia Systems Conference 2018 2018 • Werner Robitza, Steve Göring, Alexander Raake, David Lindegren, Gunnar Heikkilä, Jörgen Gustafsson, Peter List, Bernhard Feiten, Ulf Wüstenhagen, Marie Neige-Garcia, Kazuhisa Yamagishi, Simon Broom

This paper describes an open dataset and software for ITU-T Rec.