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The emergence of UHD video format induces larger screens and involves a wider stimulated visual angle. Therefore, its effect on visual attention can be questioned since it can impact quality assessment, metrics but also the whole chain of video processing and creation. Moreover, changes in visual attention from different viewing conditions challenge visual attention models. In this paper, we present...
The new High Dynamic Range (HDR) technologies intend to increase the immersiveness and quality of experience of the observers thanks to much larger luminance and contrast characteristics. This increase of the amount of information requires the development of new sophisticated compression algorithms. Moreover, well-known objective quality metrics designed for Low Dynamic Range (LDR) systems may not...
With the ever-growing availability of multimedia content produced, broadcast and consumed worldwide, subtitling is becoming an essential service to quickly share understandable content. Simultaneously, the increased resolution of the ultra high definition (UHD) standard comes with wider screens and new viewing conditions. Services as the display of subtitles thus require adaptation to better fit the...
Virtual reality is a good tool to design and assess urban projects and to study perception in cities. Climate perception significantly influences the perception and use of urban spaces, however, virtual urban environments are scarcely represented with different climatic aspects. In this paper, we study the role that visual cues (sky aspect, shadows, sun location, and light effects) specifically play...
Virtual reality is a good tool to design and assess urban projects and to study perception in cities. Climate perception significantly influences the perception and use of urban spaces; however, virtual urban environments are scarcely represented with different climatic aspects. In this paper, we study the role that visual cues (sky aspect, shadows, sun location, and light effects) specifically play...
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