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VQEG_HDTV_Pool2 Subjective quality scores on 1080i videos (with ACR-HR method)
Information
| Categories | Quality Assessment / Videos |
|---|---|
| Processing | H.264 |
| Quality assessment method | Absolute Category Rating - Hidden Reference |
| Resolution | 1920x1080 |
| Created the | 12 Jan 2015 |
Information
Overview
This database contains 168 videos sequences, the subjective results and auxiliary data such as the transmitted video files. 9 different video source contents were used. For each content, the reference (without degradation) and 15 different degradations called Hypothetical Reference Circuits (HRCs) were subjectively evaluated.
The HRCs are based on H.264 and MPEG2 coding with and without transmission errors.
Description
The contents of this database are 1080i videos. The display mode was progressive (hardware de-interlacing) and the frame rate was 60Hz. General conditions :
| Display | LCD TvLogic LVM401 |
| Luminance | 0.16/200cd/m² |
| Observation distance | 3H |
| Resolution | 1920x1080 |
| Frequency | 60 Hz |
| Methodology | ACR |
| Duration | 45 minutes |
| Number of videos | 168 |
| Rejection method | VQEG MM tesplan |
| Number of observers | 24 (0 rejected) |
Provided data
We provide a spreadsheet with the individual scores and the Mean Opinion Score (MOS) for each of the 168 Processed Video Sequences (PVS).
We used Absolute Category Rating (ACR) as test methodology. A text file describes the exact conditions in which the videos were evaluated.
The PVS (avi videos) and the bitstreams (H.264 and MPEG2 files) are available for download free of charge on the Consumer Digital Video Library (www.cdvl.org) due to copyright restrictions of the source content. They can be identified as being part of the VQEG HDTV dataset 2 (vqeghd2). In order to access them, use the CDVL search function with : "Subjective Experiment vqeghd2" and select "Match all".
Additionally, we provide the bitstreams (hmix and pcap files) on our ftp server.
Hypothetical Reference Circuits (HRC)
The H.264 HRCs are coded with the JM coder version 15.1. The MPEG HRCs are coded with ffmpeg. The transmission errors were generated with a modified version of the JVT RTP simulator. More details can be found in the above-mentioned paper.
Related pages
Source publication : Please, cite the following paper(s) in your publications if you use this database in your work
Analysis of freely available dataset for hdtv including coding and transmission distortions M. Barkowsky, M. Pinson, R. Pépion, P. Le Callet
Conference paperFifth International Workshop on Video Processing and Quality Metrics (VPQM), Jan 2010, Scottsdale, United States
Database Download Guide for ftp://ftp.ivc.polytech.univ-nantes.fr/VQEG_HDTV_Pool2/
Use a FTP Manager to download all files at once
| Host | ftp.ivc.polytech.univ-nantes.fr |
|---|---|
| Port | 21 |
| User information | Anonymous |
| Directory | VQEG_HDTV_Pool2/ |
With Filezilla (Windows, Linux, Mac OS)
- Download the FileZilla Client software at https://filezilla-project.org/ and install it.
- Launch File > Sites Manager and fill in the form. The Host is ftp.ivc.polytech.univ-nantes.fr. Use Anonymous for Logon Type. All others fields can be left blank. Finally, press Connect.
- In the first panel, you can see connection's logs. Normally, a message like Response: 220 ftproxy FTP server (Version 1.9.2.4 - 2005/01/11 13:03:28) ready. is printed.
- The left column below contains your computer file system and the selected folder. In the right column, you can see the FTP server file system and its selected folder.
- In the left colum, select the local directory in which receive the database. In the right panel, find VQEG_HDTV_Pool2/ , right click and press Download.
- Bottom panel shows file transfer informations. All files of the databases are being downloaded in your computer. Please wait during the transfer.
With WGET (Linux)
Copy and paste this command in a terminal :
wget -P your/destination/folder ftp://ftp.ivc.polytech.univ-nantes.fr/VQEG_HDTV_Pool2/
