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CyberPetri is a novel visualization technique that provides a flexible map of the network based on available characteristics, such as IP address, operating system, or service. Previous work introduced CyberPetri as a visualization feature in Ocelot, a network defense tool that helped security analysts understand and respond to an active defense scenario. In this paper we present a case study in which...
This article describes the design and development of an electronic data glove to study hand movement of individuals with movement impairments due to brain injury. Customized stretch sensors were used to measure the five metacarpophalangeal joint angles. The main features of the device are cost-effective, lightweight, and high memory capacity. It records the bending angle of all 5 metacarpophalangeal...
Social meetings provide important venues for people to get connected. However, it is challenging to explore reasons of social gathering, identify its key impact factors, and further use it to support people's social activities. In this paper, we present an embodied visual analytics system, which highlights analyzing and displaying social-cluster related information in real time. In the system, each...
The pilot real-time perception of the external terrain environment is improved to avoid the collision of civil aircraft. The Synthetic Vision System(SVS) using the three-dimensional(3D) computer image generation technology is applied to provide pilots with surrounding terrain image and comprehensive information display. During the flight, a quick, accurate and effective technology of invocation of...
Social network emanates from socially interacting entities that are represented as nodes with identical properties. These nodes are interconnected through different forms of relationship among them. Social network analysis (SNA) establishes interactions and defines the relationships on basis of theoretical foundation of networks and graphs. Social media involves in exploring several ways people share...
Attention-based bio-inspired vision can be studied as a different way to consider sensor processing, firstly allowing to reduce the amount of data transmitted by connected cameras and secondly advocating a paradigm shift toward neuro-inspired processing for the post-processing of the few regions extracted from the visual field. The computational complexity of the corresponding vision models leads...
Motor imagery (MI) based Brain-Computer Interfaces (BCIs) controlled Functional Electrical Stimulation (FES) can help people with severe neuromuscular impairments to control their limbs by bypassing peripheral nerves and muscle pathways. However, there are still four major limitations with current MI-based BCIs for FES control: 1) They require relatively longer training and the training procedures...
The sense of agency (SoA) describes the feeling of being the author and in control of one's movements. It is closely linked to automated aspects of sensorimotor control and understood to depend on one's ability to monitor the details of one's movements. As such SoA has been argued to be a critical component of self-awareness in general and contribute to presence in virtual reality environments in...
Indoor positioning system is a rapidly emerging technology. Unlike outdoor positioning, which uses triangulation from satellites in line-of-sight, current indoor positioning methods attempt triangulation using Received Signal Strength Indicator (RSSI) from indoor transmitters, like WiFi and RFID. These methods, however, are not accurate and suffer from issues like multi-path and absorption by walls...
Internet of things and social media platforms have changed the way people communicate and express themselves. People are now sharing their experiences and views in blogs, micro-blogs, comments, photos, videos, and other postings in social sites. It has been recognized that timely reactions to public opinions and sentiments and its proper use by city governments are of paramount importance to their...
This paper presents an online multiple object tracking (MOT) method based on tracking by detection. Tracking by detection has the inherent problems by false and miss detection. To deal with the false detection, we employed the Gaussian mixture probability hypothesis density (GM-PHD) filter because this filter is robust to noisy and random data processing containing many false observations. Thus, we...
Domestic sound recognition is an important ability for our daily lives. Although we can recognize sounds as they arrive, conventional automatic sound/speech recognition systems cannot behave in a similar manner. This paper proposes a domestic sound recognition method that can incrementally take sound streams into consideration during the progress of time. This is useful for advancing human-machine...
QoS guarantees for real-time HD video transmission can be assured by proper resource allocation. The TFD option of the IP protocol can be used to convey signaling information about required resources for a given transmission. In this paper the new traffic description for TFD option, based on analysis of scene changes, is presented. The traffic description was carried out in two stages. First, scene...
Virtual characters are an integral part of many games and virtual worlds. The ability to accurately synchronize lip movement to audio speech is an important aspect in the believability of the character. In this paper we propose a simple rule-based lip-syncing algorithm for virtual agents using the web browser. It works in real-time with live input, unlike most current lip-syncing proposals, which...
Two directions of development of intelligent real time video systems (technical vision systems) are considered in the report. First direction consists in increasing intellectuality of video systems at the cost of development of new information basis and dynamic models of video information perception processes, principles of control reading parameters of video information for reducing redundancy of...
The paper is concerned devices for real-time visualization of sources of THz radiation. The author gave clearcut presentation of the basic principles of devices for visualization of sources of THz radiation. In this paper the author present advantages and disadvantages of these devices. The authors showed field of application of devices for real-time visualization. The author put forward the new construction...
The movement towards cyberphysical systems and Industry 4.0 promises to imbue each and every stage of production with a myriad of sensors. The open question is how people are to comprehend and interact with data originating from industrial machinery. We propose a metaphor that compares machines with natural beings that appeal to people by representing machine states with patterns occurring in nature...
Instructor's perspective videos are useful for presenting intuitive visual instructions for trainees in medical and industrial settings. In such videos, the instructor's arms often obstruct the trainee's view of the work area. In this article, we present a diminished reality method for visualizing the work area hidden by an instructor's arms by capturing the work area with multiple cameras. To achieve...
Subjective studies showed that most HDR video tone mapping operators either produce disturbing temporal artifacts, or are limited in their local contrast reproduction capability. Recently, both these issues have been addressed by a novel temporally coherent local HDR tone mapping method, which has been shown, both qualitatively and through a subjective study, to be advantageous compared to previous...
In this paper a graphical user interface (GUI) built in MATLAB® environment is presented. This interactive tool has been developed for the analysis of superficial electromyography (sEMG) signals and in particular for the assessment of the muscle activation time intervals. After the signal import, the tool performs a first analysis in a totally user independent way, providing a reliable computation...
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