2013 3DTV Vision Beyond Depth (3DTV-CON)最新文献

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Real-time rendering of multi-perspective images for a glasses-free tabletop 3d display 多视角图像的实时渲染,无需眼镜桌面3d显示
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676635
S. Yoshida
{"title":"Real-time rendering of multi-perspective images for a glasses-free tabletop 3d display","authors":"S. Yoshida","doi":"10.1109/3DTV.2013.6676635","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676635","url":null,"abstract":"Our glasses-free tabletop 3D display floats 3D images on a flat tabletop surface. It employs a conical rear-projection screen and circularly arranged projectors, and this combination generates numerous directional light rays to form virtual surfaces of 3D objects. Viewers see many rays from different projectors, so the projection images must involve multiple perspectives. Such images are generally computed by ray-tracing rendering, which ordinary graphics hardware cannot do well. This paper proposes a real-time rendering method of multi-perspective images for tabletop 3D displays. To implement it in standard rendering pipelines, our method transforms vertex coordinates based on a curved screen surface and a corresponding viewpoint to be stored by a single-perspective camera placed at any projector position. An implementation on a vertex shader generated multi-perspective images in real time whose quality equals the previous method.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"289 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114104264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Fast and efficient computation of stereo depth maps 快速高效的立体深度图计算
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676651
P. Ghosh, K. Venkatesh
{"title":"Fast and efficient computation of stereo depth maps","authors":"P. Ghosh, K. Venkatesh","doi":"10.1109/3DTV.2013.6676651","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676651","url":null,"abstract":"We present here our approach to the problem of improving the efficiency of stereo depth map computation. The algorithm is applied on rectified images. Graph cut is used for energy minimization. The descriptors used are both SIFT and DAISY. This algorithm produces fast results of approximate disparity maps from two images. The main advantage of our algorithm is its efficiency and reduction of computation time, in spite of an improvement of the error performance. To achieve this, we initially use a sparse global matching technique using SIFT to determine the necessary labels and then find dense correspondence with DAISY.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122857458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rendering stereoscopic video for simultaneous 2D and 3D presentation 渲染立体视频,同时进行2D和3D演示
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676658
P. Aflaki, M. Hannuksela, Hamed Sarbolandi, M. Gabbouj
{"title":"Rendering stereoscopic video for simultaneous 2D and 3D presentation","authors":"P. Aflaki, M. Hannuksela, Hamed Sarbolandi, M. Gabbouj","doi":"10.1109/3DTV.2013.6676658","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676658","url":null,"abstract":"Under certain circumstances it might be desired to perceive stereoscopic content both with and without viewing glasses. It means that the 3D content should be rendered so that along with sufficient depth sensation in 3D presentation, the ghosting artifact of 2D presentation is as transparent as possible. In this paper, we further investigate our previously proposed algorithm to render stereoscopic views targeting acceptable 2D and 3D quality targeting to find the best tuning parameters for the proposed algorithm based on a series of systematic subjective tests. Finally, we conclude the best adjustment parameters in order to achieve best compromise between 2D and 3D subjective quality.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133933388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
View order alternation symmetrization and temporal inter-view combined prediction for 3D video coding 三维视频编码的视序交替对称与时序间视组合预测
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676636
Li Chen, M. Hannuksela, Houqiang Li
{"title":"View order alternation symmetrization and temporal inter-view combined prediction for 3D video coding","authors":"Li Chen, M. Hannuksela, Houqiang Li","doi":"10.1109/3DTV.2013.6676636","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676636","url":null,"abstract":"Asymmetric stereoscopic video coding, where one view has a higher quality than the other, has been researched widely. In order to balance the quality difference between views, it has been suggested to alternate the higher-quality view periodically. However, it has also been found out that inter-view prediction is more effective when the source of prediction is the higher-quality view. In this paper, it is proposed to change the inter-view prediction direction periodically together with gradual view refresh. The proposal was implemented on top of the reference software for the multiview and multiview-plus-depth extensions of the High Efficiency Video Coding (H.265/HEVC) standard. Experimental results show that up to 9.1% and an average of 3.1% bitrate reduction are achieved with respect to the MPEG Anchor.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114973041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How to build a holographic television system 如何搭建全息电视系统
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676637
V. Bove, J. Barabas, S. Jolly, D. Smalley
{"title":"How to build a holographic television system","authors":"V. Bove, J. Barabas, S. Jolly, D. Smalley","doi":"10.1109/3DTV.2013.6676637","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676637","url":null,"abstract":"The ultimate three-dimensional television viewing experience will be autostereoscopic (requiring no glasses), provide smooth parallax rather than just two views, and support other real-world perceptual cues to depth such as visual accommodation (focusing). Holography meets these requirements, but it is often felt that the scene-acquisition, bandwidth, and display pixel count requirements for holographic television will prove insurmountable. We describe the characteristics of a “true” holographic television display, review the input, transmission, and output needs, and describe our experiments in creating an end-to-end holographic television system with costs in only the hundreds of dollars, based upon a combination of various current consumer-electronics technologies and a novel light-modulator chip.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"266 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115207869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Scene depth extraction from Holoscopic Imaging technology 基于全息成像技术的场景深度提取
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676640
E. Alazawi, A. Aggoun, M. Abbod, M. Swash, O. Fatah, J. C. Fernandez
{"title":"Scene depth extraction from Holoscopic Imaging technology","authors":"E. Alazawi, A. Aggoun, M. Abbod, M. Swash, O. Fatah, J. C. Fernandez","doi":"10.1109/3DTV.2013.6676640","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676640","url":null,"abstract":"3D Holoscopic Imaging (3DHI) is a promising technique for viewing natural continuous parallax 3D objects within a wide viewing zone using the principle of “Fly's eye”. The 3D content is captured using a single aperture camera in real-time and represents a true volume spatial optical model of the object scene. The 3D content viewed by multiple viewers independently of their position, without 3D eyewear glasses. The 3DHI technique merely requires a single recording that the acquisition of the 3D information and the compactness of depth measurement that is used has been attracting attention as a novel depth extraction technique. This paper presents a new corresponding and matching technique based on a novel automatic Feature-Match Selection (FMS) algorithm. The aim of this algorithm is to estimate and extract an accurate full parallax 3D model form from a 3D Omni-directional Holoscopic Imaging (3DOHI) system. The basis for the novelty of the paper is on two contributions: feature blocks selection and corresponding automatic optimization process. There are solutions for three main problems related to the depth map estimation from 3DHI: uncertainty and region homogeneity at image location, dissimilar displacements within the matching block around object borders, and computational complexity.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"125 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116259662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Contourlet transform based digital watermarking resisting 2D-3D conversion 基于Contourlet变换的数字水印抗2D-3D转换
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676653
Yanyan Yang, Jiande Sun, Wenbo Wan, Hui Yuan
{"title":"Contourlet transform based digital watermarking resisting 2D-3D conversion","authors":"Yanyan Yang, Jiande Sun, Wenbo Wan, Hui Yuan","doi":"10.1109/3DTV.2013.6676653","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676653","url":null,"abstract":"Nowadays with the success of 2D-3D applications, the copyright protection for such cases is becoming increasing important. In this paper, a contourlet transform based watermarking scheme is proposed, which is robust against DIBR-based 2D-3D conversion. In the proposed scheme, the contourlet transform is performed on the center image. Considering that the DIBR transform can be regarded as the horizontal direction movement, coefficients of the low-frequency after contourlet transform are quantized to embed the watermark. Experimental results show that the watermark can be extracted from the virtual left and right image correctly and stably. The proposed scheme achieves better robustness and invisibility, which demonstrates that it is promising in 2D-3D conversion applications.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130434834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
3D-PIC: Power Iteration Clustering for segmenting three-dimensional models 3D-PIC:用于分割三维模型的幂次迭代聚类
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676652
Zahra Toony, D. Laurendeau, P. Giguère, Christian Gagné
{"title":"3D-PIC: Power Iteration Clustering for segmenting three-dimensional models","authors":"Zahra Toony, D. Laurendeau, P. Giguère, Christian Gagné","doi":"10.1109/3DTV.2013.6676652","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676652","url":null,"abstract":"Segmenting a 3D model is an important challenge since this operation is relevant for many applications. Making the segmentation algorithm able to find relevant and meaningful geometric primitives automatically is a very important step in 3D image processing. In this paper, we adapted a 2D spectral segmentation method, Power Iteration Clustering (PIC), to the case of 3D models. This method is fast and easy to implement. A similarity matrix based on normals to vertices is defined and a modified version of PIC is implemented in order to segment a 3D model. The proposed method is validated on both free-form and CAD (Computer Aided Design) models, on real data captured by handheld 3D scanners, and in the presence of noise. Results demonstrate the efficiency and robustness of the method in all cases.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131031382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
How the amplitude modulation of n-laser stimuli could change our way to observe submerged and emerged worlds n激光刺激的振幅调制将如何改变我们观察水下世界和浮现世界的方式
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676643
M. Guarneri, L. D. Dominicis, M. D. Collibus, G. Fornetti, M. Francucci, M. Nuvoli
{"title":"How the amplitude modulation of n-laser stimuli could change our way to observe submerged and emerged worlds","authors":"M. Guarneri, L. D. Dominicis, M. D. Collibus, G. Fornetti, M. Francucci, M. Nuvoli","doi":"10.1109/3DTV.2013.6676643","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676643","url":null,"abstract":"A philosophical thought experiment that raises questions regarding observation and knowledge of reality declaims: “If a tree falls in a forest and no one is around to hear it, does it make any sound?”. A similar question could be formulated in terms of color perception: “If no light illuminates an object, does the color still exist?”. A technology called RGB-ITR (Red Green Blue - Imaging Topological Radar), based on the amplitude modulation of n-lasers stimuli, has been developing in UTAPRADDIM lab of C.R. ENEA Frascati for several years now. One of the major application of this technology is remote monitoring and digitization of artistic goods in Cultural Heritage (CH) environment: the exclusive use of lasers/photo-diodes for the acquisition of both color and distance information permits to obtain not only a very accurate 3D model of the investigated target, but also hyper-photos free from external light sources influence and with calibrated whites in all the instrument working range. By performing several case studies in real environment, this work aims at demonstrating the versatility of this technique in several fields of CH sector, like remote structure and color monitoring, cataloging and fruition. Recently the significant effort has been spent on looking for novel applications of this technology in the underwater environment for archaeological and industrial purposes. The lab results, reported in this work, demonstrate the potential of this technology to bypass the barrier created by the water back-scattering, especially in case of turbid environment.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127715756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acquisition, processing and coding of 3D holoscopic content for immersive video systems 用于沉浸式视频系统的3D全息内容的获取、处理和编码
2013 3DTV Vision Beyond Depth (3DTV-CON) Pub Date : 2013-12-02 DOI: 10.1109/3DTV.2013.6676655
A. Aggoun, O. Fatah, Juan C. J. Fernandez, Caroline Conti, P. Nunes, Luís Ducla Soares
{"title":"Acquisition, processing and coding of 3D holoscopic content for immersive video systems","authors":"A. Aggoun, O. Fatah, Juan C. J. Fernandez, Caroline Conti, P. Nunes, Luís Ducla Soares","doi":"10.1109/3DTV.2013.6676655","DOIUrl":"https://doi.org/10.1109/3DTV.2013.6676655","url":null,"abstract":"In the continuous effort to develop new multimedia content formats able to support more immersive and close to reality user experiences, 3D holoscopic imaging became lately an appealing technology, allowing a more natural and immersive 3D sensation with continuous full motion parallax, opening also new post-processing degrees of freedom, such as refocusing or viewing angle adjustments after content acquisition. In this context, this paper presents some novel achievements in 3D holoscopic content acquisition and processing. An improved coding solution for 3D holoscopic video based on the High Efficiency Video Coding (HEVC) standard and the recently proposed self-similarity compensated prediction concept is also presented that substantially improves the coding performance of HEVC for this type of content for both Intra- and Inter-coding.","PeriodicalId":111565,"journal":{"name":"2013 3DTV Vision Beyond Depth (3DTV-CON)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128453405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
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