The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
It is rather true that nowadays diversity and a potential for growth characterize the field of popular social networks like Flickr. Based on this observation, we provide herein a brief overview of the basic characteristics, challenges and research opportunities of the latter. Some historical facts of its origin are presented, followed by a review of its digital photo sharing and tagging capabilities,...
Nowadays the use of educational game is very common. This paper discusses the development of 3D educational game to maximize the use of children's memory. The methods used are developing 3D educational game that contains two subjects that need to be memorized by children. The 3D educational game built based on the result of observation and interview with kindergarten teacher. The 3D educational game...
Web-based learning tool provides incorporated environment of various technologies to support diverse instructor and learner needs via the Internet. Electronic learning materials can be accessed easily by normal students but not for dyslexic students. This is because student with Dyslexia needs more attention and guidance from the instructor and special tool is needed to improve their learning environment...
Stress problems often causes negative emotional response which tends to lead to a negative work performance. There are many treatments for stress such as going to gymnasium, undergoing hypnosis and taking medicine. Lately, virtual reality therapy (VRT) has been proposed as an alternative technique for stress treatment. In this VR-based treatment, one of the important elements to ensure its effectiveness...
The purpose of the research described in this paper is to examine the existence of correlation between low level audio, visual and textual features and movie content similarity. In order to focus on a well defined and controlled case, we have built a small dataset of movie scenes from three sequel movies. In addition, manual annotations have led to a ground-truth similarity matrix between the adopted...
Usual attention is an important mechanism of the human visual system. It allows reducing the amount of information to be processed and accelerates the overall process of vision. Several models for images and videos have been proposed in the literature with encouraging results. However, most existing saliency models do not take into account the multimodal aspect of the video (audio and image). In this...
With the increasing diffusion in our life of digital audio and visual contents, the investigation on multimedia objects is acquiring more and more interest within the framework of digital investigations, that consider all the aspects including digital data and digital devices. Starting from the international standards and recommendations on the correct procedures to deal with digital evidences and...
In the long term research of visual attention, various computational models have been proposed. However, most of those works do not take audio into consideration. In practice, visual signals often come along with audio. Therefore, it is natural to investigate the influence of audio on visual attention. In this paper, we focus on the problem of when will audio influence visual attention during video...
This paper presents the influence of perceived texture regularity on the visual quality of textures that are synthesized through parametric and non-parametric approaches. It is shown through subjective testing that textures with different degrees of perceived regularity exhibit different degrees of vulnerability to texture synthesis artifacts. The paper also proposes a method for adaptively selecting...
In this study, the effect of pure synchronous and asynchronous transmission delay was examined in an interactive videotelephony setting. It was found that the conversational quality rated by participants of the study was clearly dependant on the tested conditions. This outcome can to some extend be ascribed to the used task which facilitated the usage of the visual channel for social interaction....
Subjective quality tests give important information about the user's perception on the quality of an audio or video signal. These tests are helpful but usually lack information about the user's cognitive state. This might be crucial when consuming a service, as lower quality services may lead to a less frequent use. Therefore, physiological measures have become more popular in the domain of quality...
A first step towards creating automatic measures of image aesthetic appeal is understanding its appreciation via subjective testing. Nevertheless, reliably setting up such tests appears to be challenging, as aesthetic appeal is proven to be influenced by a number of subjective factors. In this paper we investigate four scale types for aesthetic appeal rating and assess their ability to provide general...
Due to the recent advances in ultra high definition (UHD) displays, UHD TV may replace HD TV in a near future. However, little is known about the effect of UHD content on human visual perception, specifically, on human visual attention, viewing strategies, and visual saliency. To help studying these properties of the human visual system and their dynamics when HD content is replaced with UHD content,...
Despite efforts of the scientific community in recent years, little is known about the mechanisms of the human visual system that control visual attention when watching 3D content. To help understanding these mechanisms and develop more accurate visual attention models, we created a public 3D video eye tracking dataset. The dataset provides the eye tracking information corresponding to eight stereoscopic...
When users give ratings in subjective Quality of Experience experiments, they may experience a lack of confidence in assigning a score to a stimulus. This results in invalid votes that might need to be removed from the acquired data. We show results from a subjective video quality experiment in which we measured the rating times and asked observers for their confidence, in addition to just the quality...
With the aim of improving the immersive experience of the end user, High Dynamic Range (HDR) imaging has been gaining popularity. Therefore, proper validation and performance benchmarking of HDR processing algorithms is a key step towards standardization and commercial deployment. A crucial component of such validation studies is the selection of a challenging and balanced set of source (reference)...
As the next generation of TV, Ultra High Definition Television (UHDTV) is attracting more and more people's attention as it provides a new viewing experience. Considering content delivery, due to the lack of Ultra HD resources, a direct question for the industry is that whether the state-of-the-art upscaling algorithms can be utilized to upscale the current HD or Full HD resources to UHD, gaining...
In this work the effect of reproduction setup on the perception of natural scene attributes was studied. Discrimination of reproduced real-world scenes in movement, openness and noisiness was inspected between an immersive large reproduction setup and a non-immersive small reproduction setup. The results show decreased sensitivity for movement discrimination and increased sensitivity for noisiness...
Mobile devices are making a giant stride in both the educational and industrial arena. They tend to enhance the efficiency and effectiveness of learning by providing a contextual and ubiquitous access. Traditional form of learning does not adequately cater for active learners because they always want to learn by doing. In this paper we detailed the analysis, design and implementation of multimedia...
Digital technology environment has emerged as a great structure for digital learning and teaching (L&T) mathematics with the support of multimedia interaction. Wayang Kulit (WK) is unlikely to last long due to lack of safeguarding. The traditional WK has a great potential to be incorporated into a digital L&T Mathematics (dLTM) in primary school. This is intended to create a fun and appealing...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.