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View article: Version [7.1] – [IV-PSNR: Software for immersive video objective quality evaluation]
Version [7.1] – [IV-PSNR: Software for immersive video objective quality evaluation] Open
This paper describes a new version of the IV-PSNR software, developed for the effective objective quality assessment of immersive video. Version 7.1 includes the calculation of structural similarity between compared sequences using the IV-…
View article: IV-SSIM—The Structural Similarity Metric for Immersive Video
IV-SSIM—The Structural Similarity Metric for Immersive Video Open
In this paper, we present a new objective quality metric designed for immersive video applications—IV-SSIM. The proposed IV-SSIM metric is an evolution of our previous work—IV-PSNR (immersive video peak signal-to-noise ratio)—which became …
View article: ECPC – versatile multicamera system calibration framework for immersive video applications
ECPC – versatile multicamera system calibration framework for immersive video applications Open
Accurate extrinsic parameters calibration is crucial particularly in immersive video, where camera calibration plays a significant role, as its quality is essential for accurate reconstruction and efficient compression of three-dimensional…
View article: IV-PSNR: Software for immersive video objective quality evaluation
IV-PSNR: Software for immersive video objective quality evaluation Open
In this article, we present the IV-PSNR software, which allows for objective quality assessment of immersive video. The software outputs the IV-PSNR metric calculated for a pair of raw video files. The IV-PSNR metric is designed to mimic t…
View article: Versatile Input View Selection for Efficient Immersive Video Transmission
Versatile Input View Selection for Efficient Immersive Video Transmission Open
In this paper we deal with the problem of the optimal selection of input views, which are transmitted within an immersive video bitstream. Due to limited bitrate and pixel rate, only a subset of input views available on the encoder side ca…
View article: Massively Parallel CPU-based Virtual View Synthesis with Atomic Z-test
Massively Parallel CPU-based Virtual View Synthesis with Atomic Z-test Open
In this paper we deal with the problem of real-time virtual view synthesis, which is crucial in practical immersive video systems. The majority of existing real-time view synthesizers described in literature require using dedicated hardwar…
View article: Advanced HEVC Screen Content Coding for MPEG Immersive Video
Advanced HEVC Screen Content Coding for MPEG Immersive Video Open
This paper presents the modified HEVC Screen Content Coding (SCC) that was adapted to be more efficient as an internal video coding of the MPEG Immersive Video (MIV) codec. The basic, unmodified SCC is already known to be useful in such an…
View article: The MPEG Immersive Video Standard—Current Status and Future Outlook
The MPEG Immersive Video Standard—Current Status and Future Outlook Open
The MPEG immersive video (MIV) standard is the latest addition to the MPEG-I suite of standards. It focuses on the representation and coding of immersive media. MIV is designed to support virtual and extended reality applications that requ…
View article: Recursive block splitting in feature‐driven decoder‐side depth estimation
Recursive block splitting in feature‐driven decoder‐side depth estimation Open
This paper presents a study on the use of encoder-derived features in decoder-side depth estimation. The scheme of multiview video encoding does not require the transmission of depth maps (which carry the geometry of a three-dimensional sc…
View article: Spatiotemporal redundancy removal in immersive video coding
Spatiotemporal redundancy removal in immersive video coding Open
In this paper, the authors describe two methods designed for reducing the spatiotemporal redundancy of the video within the MPEG Immersive video (MIV) encoder: patch occupation modification and cluster splitting. These methods allow optimi…
View article: Real-time CPU-based View Synthesis for Omnidirectional Video
Real-time CPU-based View Synthesis for Omnidirectional Video Open
In this paper, the authors describe the real-time CPU-based implementation of the virtual view synthesis algorithm for high-resolution omnidirectional content. The proposed method allows a user of the immersive video virtually navigating w…
View article: Color-dependent pruning in immersive video coding
Color-dependent pruning in immersive video coding Open
This paper presents the color-dependent method of removing inter-view redundancy from multiview video. The pruning of input views decides which fragments of views are redundant, i.e., do not provide new information about the three-dimensio…
View article: The Study of the Video Encoder Efficiency in Decoder-side Depth Estimation Applications
The Study of the Video Encoder Efficiency in Decoder-side Depth Estimation Applications Open
The paper presents a study of a lossy compression impact on depth estimation and virtual view quality. Two scenarios were considered: the approach based on ISO/IEC 23090-12 coder-agnostic MPEG Immersive video standard, and the more general…
View article: MPEG Immersive Video Coding Standard
MPEG Immersive Video Coding Standard Open
This article introduces the ISO/IEC MPEG Immersive Video (MIV) standard, MPEG-I Part 12, which is undergoing standardization. The draft MIV standard provides support for viewing immersive volumetric content captured by multiple cameras wit…
View article: Color Correction for Immersive Video Applications
Color Correction for Immersive Video Applications Open
In this paper, the color correction method developed for immersive video systems is presented. The proposed method significantly increases the consistency of color characteristics of multiview sequences, understood both as the temporal and…
View article: The Influence of Coding Tools on Immersive Video Coding
The Influence of Coding Tools on Immersive Video Coding Open
This paper summarizes the research on the influence of HEVC(High Efficiency Video Coding)configuration on immersive video coding. The research was focused on the newest MPEG standard for immersive video compression –MIV (MPEG Immersive Vid…
View article: The Influence of Coding Tools on Immersive Video Coding
The Influence of Coding Tools on Immersive Video Coding Open
This paper summarizes the research on the influence of HEVC (High Efficiency Video Coding) configuration on immersive video coding. The research was focused on the newest MPEG standard for immersive video compression – MIV (MPEG Immersive …
View article: Depth Map Refinement for Immersive Video
Depth Map Refinement for Immersive Video Open
In this article, we propose a depth map refinement method that increases the quality of immersive video. The proposal highly enhances the inter-view consistency of depth maps (estimated or acquired by any method), crucial for achieving the…
View article: Efficient Immersive Video Compression using Screen Content Coding
Efficient Immersive Video Compression using Screen Content Coding Open
The paper deals with efficient compression of immersive video representations for the synthesis of video relatedto virtual viewports, i.e., to selected virtual viewer positions and selected virtual directions of watching. Thegoal is to obt…
View article: Efficient Immersive Video Compression using Screen Content Coding
Efficient Immersive Video Compression using Screen Content Coding Open
The paper deals with efficient compression of immersive video representations for the synthesis of video relatedto virtual viewports, i.e., to selected virtual viewer positions and selected virtual directions of watching. Thegoal is to obt…
View article: Fast View Synthesis for Immersive Video Systems
Fast View Synthesis for Immersive Video Systems Open
Immersive video has become a popular research topic recently. However, there are no fast immersive video processing methods, which could be used in practical immersive video systems. In this paper the real-time CPUbased virtual view synthe…
View article: View and Depth Preprocessing for View Synthesis Enhancement
View and Depth Preprocessing for View Synthesis Enhancement Open
In the paper, two preprocessing methods for virtual view synthesis are presented. In the first approach, both horizontal and vertical resolutions of the real views and the corresponding depth maps are doubled in order to perform view synth…