DIBR_Videos - Databases IVC

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DIBR_Videos Videos quality assessment (using ACR-HR)

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Information

Categories	Quality Assessment / Videos
Processing	DIBR
Quality assessment method	Absolute Category Rating - Hidden Reference
Resolution	Between 1920x1080 and 960x540
Created the	12 Jan 2015

Presentation & Goal

The IRCCyN IVC DIBR Videos quality database contains 102 video sequences of 6 seconds in 1024x768 resolution with between 15 and 30 frames per second. Individual votes and MOS scores obtained by an ACR-HR experiment are provided.

Three different multiview plus depth (MVD) sequences are considered in this database. The sequences are Book Arrival (1024x768, 16 cameras with 6.5cm spacing), Lovebird1 (1024x768, 12 cameras with 3.5 cm spacing) and Newspaper (1024x768, 9 cameras with 5 cm spacing). Seven DIBR algorithms processed the three sequences to generate, for each sequence, four new viewpoints.

Initial goal

This database was done to consider the reliability of usual assessment methods when evaluating virtual synthesized views in the multiview video context. Virtual views are generated from Depth Image Based Rendering (DIBR) algorithms. Because DIBR algorithms involve geometric transformations, new types of artifacts come up. The question regards the ability of commonly used methods to deal with such artifacts.

Possible usage

This video quality database can be used to test a video quality metric precision in a context of DIBR.

Dataset description

We used Absolute Category Rating - Hidden Reference (ACR-HR) and as test methodology.

We provide a spreadsheet with the individual scores, the Mean Opinion Score (MOS) and the Differential Mean Opinion Score (DMOS) for each of the 102 Processed Video Sequences (PVS).

The PVS (avi videos) are available on our FTP server and are in the AVI format.

The information about the source contents, video tested generation, subjective experiment environment and available data are provided in a description file.

Source contents (SRC)

Source number	Source name	Preview	Description
01	Book Arrival		Description : A man in an office standing up to welcome another man. Author : Heinrich-Hertz-Institut. Link Video frame rate : 15Hz Number of frames : 100
02	Lovebird1		Description : A couple walking in front of a temple. Author : Electronics and Telecommunications Research Institute (ETRI). Link Video frame rate : 30Hz Number of frames : 150
03	Newspaper		Description : A man and a girl reading the newspaper around a table when a man coming behind them. Author : Gwangju Institute of Science and Technology (GIST). Link Video frame rate : 30Hz Number of frames : 200

Hypothetical Reference Circuits (HRC)

The Processed Video Sequences (PVS) were created using the following Hypothetical Reference Circuits (HRC).

HRC name	HRC description
cam_xx	[No impairment - Reference sequence view 1]
cam_yy	[No impairment - Reference sequence view 2]
cam_zz	[No impairment - Reference sequence view 3]
A1	Fehn cropped : where the depth map is pre-processed by a low-pass filter. Borders are cropped, and then an interpolation is processed to reach the original size.
A2	Fehn interpolated : Borders are inpainted by the method proposed by Telea
A3	Tanimoto et al., it is the recently adopted reference software for the experiments in the 3D Video group of MPEG.
A4	Müller et al., proposed a hole filling method aided by depth information.
A5	Ndjiki-Nya et al., the hole filling method is a patch-based texture synthesis.
A6	Köppel et al., uses depth temporal information to improve the synthesis in the disoccluded areas.
A7	corresponds to the unfilled sequences (i.e. with holes).
cam_xx_qp26	Reference sequence view 1 coded by H.264 with a QP = 26
cam_xx_qp34	Reference sequence view 1 coded by H.264 with a QP = 34
cam_xx_qp44	Reference sequence view 1 coded by H.264 with a QP = 44

There are several references (3 first lines of the table) for each content, because there are the 3 views used for each content. So there are 3 HRC with no impairment.

Source publication : Please, cite the following paper(s) in your publications if you use this database in your work

Visual quality assessment of synthesized views in the context of 3d-tv E. Bosc, P. Le Callet, L. Morin, M. Pressigout

Book section3D-TV System with Depth-Image-Based Rendering Architectures, Techniques and Challenges, Nov 2012

@incollection{bosc:hal-00748518,
 author = {Bosc, Emilie and Le Callet, Patrick and Morin, Luce and Pressigout, Muriel},
 booktitle = {3D-TV System with Depth-Image-Based Rendering Architectures, Techniques and Challenges},
 doi = {10.1007/978-1-4419-9964-1_15},
 hal_id = {hal-00748518},
 hal_version = {v1},
 keyword = {3D-TV ; DIBR ; synthesis ; quality ; evaluation ; metrics ; subjective evaluation},
 link = {https://hal.archives-ouvertes.fr/hal-00748518},
 pages = {439-474},
 publisher = {Springer},
 title = {Visual quality assessment of synthesized views in the context of 3D-TV},
 year = {2012}
}

<publication>
	<type>incollection</type>
	<author>Bosc, Emilie and Le Callet, Patrick and Morin, Luce and Pressigout, Muriel</author>
	<booktitle>3D-TV System with Depth-Image-Based Rendering Architectures, Techniques and Challenges</booktitle>
	<doi>10.1007/978-1-4419-9964-1_15</doi>
	<hal_id>hal-00748518</hal_id>
	<hal_version>v1</hal_version>
	<keyword>3D-TV ; DIBR ; synthesis ; quality ; evaluation ; metrics ; subjective evaluation</keyword>
	<link>https://hal.archives-ouvertes.fr/hal-00748518</link>
	<pages>439-474</pages>
	<publisher>Springer</publisher>
	<title>Visual quality assessment of synthesized views in the context of 3D-TV</title>
	<year>2012</year>
</publication>

Database Download Guide for ftp://ftp.ivc.polytech.univ-nantes.fr/IRCCyN_IVC_DIBR_Videos/

Use a FTP Manager to download all files at once

Host	ftp.ivc.polytech.univ-nantes.fr
Port	21
User information	Anonymous
Directory	IRCCyN_IVC_DIBR_Videos/

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 IRCCyN_IVC_DIBR_Videos/ , 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/IRCCyN_IVC_DIBR_Videos/

Features	Value
Highlights of this database	Depth Images Based Rendering
	Free-viewpoint
	video quality
Video
Frame frequency	30 or 15Hz
Video format	1024x768
Video length	100, 150 or 200 frames
Video duration	5 to 7 seconds
Number of videos	102
Subjective test
Observation distance	4H
Environment	ITU-R BT.500-11
Background luminance	25cd/m²
Methodology	ACR
Duration	30 minutes
Pre screening	Snellen, Ishihara
Post screening (Rejection method)	VQEG Multimedia
Observers
Number of observers	32 naives
Display
Display	TVLogic LMV401
Display resolution	Full HD (1920x1080 pixels)
Display frequency	60Hz
Display mode	progressive
Display luminance max	180cd/m²

Institut de Recherche en Communications et Cybernétique de Nantes
Databases of the team
Images and Video-communications

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DIBR_Videos Videos quality assessment (using ACR-HR)

Menu

Information

Presentation & Goal

Initial goal

Possible usage

Dataset description

Source contents (SRC)

Source number

Source name

Preview

Description

Hypothetical Reference Circuits (HRC)

Experience information

Features

Value

Source publication : Please, cite the following paper(s) in your publications if you use this database in your work

Visual quality assessment of synthesized views in the context of 3d-tv E. Bosc, P. Le Callet, L. Morin, M. Pressigout

Institut de Recherche en Communications et Cybernétique de NantesDatabases of the team Images and Video-communications

Your navigator is out-of-date

DIBR_Videos Videos quality assessment (using ACR-HR)

Menu

Information

Presentation & Goal

Initial goal

Possible usage

Dataset description

Source contents (SRC)

Source number

Source name

Preview

Description

Hypothetical Reference Circuits (HRC)

Experience information

Features

Value

Related pages

Source publication : Please, cite the following paper(s) in your publications if you use this database in your work

Visual quality assessment of synthesized views in the context of 3d-tv E. Bosc, P. Le Callet, L. Morin, M. Pressigout

Database Download Guide for ftp://ftp.ivc.polytech.univ-nantes.fr/IRCCyN_IVC_DIBR_Videos/

Use a FTP Manager to download all files at once

With Filezilla (Windows, Linux, Mac OS)

With WGET (Linux)

Institut de Recherche en Communications et Cybernétique de Nantes
Databases of the team
Images and Video-communications