Results 121 to 130 of about 304 (174)

Advanced texture and depth coding in 3D-HEVC

Journal of Visual Communication and Image Representation, 2018
Abstract The 3D extension of High Efficiency Video Coding (3D-HEVC) is a new international video coding standard developed by the Joint Collaborative Team on 3D Video Coding Extensions (JCT-3V) in order to support coding of multiple views and its associated depth data.
Jian-Liang Lin, Yi-Wen Chen, Yu-Lin Chang, Jicheng An, Kai Zhang 0007, Yu-Wen Huang, Shawmin Lei   +6 more
openaire   +1 more source

3D-HEVC extension for circular camera arrangements

2015 3DTV-Conference: The True Vision - Capture, Transmission and Display of 3D Video (3DTV-CON), 2015
The paper presents an extension of 3D-HEVC for the circular camera arrangements. It generalizes the derivation of the disparity vectors from depth data for sequences captured using cameras located on an arc. The general equation for disparity calculations has been implemented instead of the simplified equation used in 3D-HEVC.
Jakub Stankowski, Lukasz Kowalski, Jaroslaw Samelak, Marek Domanski, Tomasz Grajek, Krzysztof Wegner   +5 more
openaire   +1 more source

3D-HEVC Background

2019
This chapter provides background about Three-Dimensional High Efficiency Video Coding (3D-HEVC) depth map encoding. Initially, the 3D-HEVC encoding structure is defined, relating its frame to a quadtree-like structure. The algorithms used in the intra-frame prediction of depth maps are described in detail, allowing a comparative understanding regarding
Gustavo Sanchez, Luciano Agostini, César Marcon   +2 more
openaire   +1 more source

Perceptual Asymmetric Video Coding for 3D-HEVC

2016
In the scope of stereoscopic 3D video, asymmetric video coding is an effective method in terms of maintaining the perceived quality while reducing the required transmission bandwidth by exploiting the perceptual phenomenon of binocular suppression. On the other hand, just noticeable distortion (JND) has been applied successfully in improving the video ...
Yongfang Wang, Kanghua Zhu, Yawen Shi, Pamela C. Cosman   +3 more
openaire   +1 more source

A perceptual preprocess method for 3D-HEVC

SPIE Proceedings, 2015
A perceptual preprocessing method for 3D-HEVC coding is proposed in the paper. Firstly we proposed a new JND model, which accounts for luminance contrast masking effect, spatial masking effect, and temporal masking effect, saliency characteristic as well as depth information.
Yawen Shi, Yongfang Wang, Yubing Wang
openaire   +1 more source

Unified wedgelet genenration for depth coding in 3D-HEVC

2014 IEEE International Conference on Image Processing (ICIP), 2014
In 3D-HEVC, bi-partition based modes, i.e., depth modeling modes (DMM), are applied for depth intra coding. With DMM, a depth prediction unit (PU) is partitioned into two parts using a Wedgelet pattern selected from a predefined large Wedgelet set, and the Wedgelet set is generated during both encoder and decoder initialization for each block size ...
Xin Zhao 0003, Li Zhang 0006, Ying Chen 0011   +2 more
openaire   +1 more source

Enhancing wedgelet-based depth modeling in 3D-HEVC

2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 2017
Wedgelet-based Depth Modeling Mode (DMM) in the 3D extension of HEVC (3D-HEVC) divides a depth block into two segments by a straight line, which can hardly approximate well complex edges in depth blocks, and consequently deteriorates coding performance of the depth blocks.
Chang Duan, Yuhuan Shen, Yingying Zhang, Shuai Wang, Ce Zhu, Meng Yang 0002   +5 more
openaire   +1 more source

Fast wedgelet pattern decision for DMM in 3D-HEVC

2015 IEEE International Conference on Digital Signal Processing (DSP), 2015
3D-HEVC is in the process of standardization as the highest profile extension of HEVC for 3D video coding, which supports the advanced 3D video format, namely multi-view videos plus depth (MVD). In order to preserve the sharp edges and avoid the ringing artifacts in the synthesized views, depth modelling modes (DMMs) are adopted into 3D-HEVC to achieve
Chang-Hong Fu 0002, Hongbin Zhang 0005, Weimin Su, Sik-Ho Tsang, Yui-Lam Chan   +4 more
openaire   +1 more source

Performance Analysis of Depth Intra-Coding in 3D-HEVC

IEEE Transactions on Circuits and Systems for Video Technology, 2019
The depth maps intra-frame prediction of 3D High Efficiency Video Coding (3D-HEVC) inherits all texture encoding techniques provided by HEVC and provides new coding tools for depth map predictions. These tools comprise algorithms, such as bipartition modes, intra-picture skip, and DC-only. This paper details these tools and shows how they work together
Gustavo Sanchez, Jarbas Silveira, Luciano Volcan Agostini, César A. M. Marcon   +3 more
openaire   +1 more source

Complexity and compression efficiency assessment of 3D-HEVC encoder

Multimedia Tools and Applications, 2020
This paper presents a complexity and compression efficiency assessment of the 3D-High Efficiency Video Coding (3D-HEVC) encoder. An experimental evaluation was carried out to identify the encoding tools with the highest impact on the computational complexity of 3D-HEVC.
Mário Saldanha, Ruhan A. Conceição, Vladimir Afonso, Giovanni Avila, Altamiro Amadeu Susin, Marcelo Schiavon Porto, Bruno Zatt, Guilherme Corrêa 0001, Luciano Agostini   +8 more
openaire   +1 more source