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In this article, we present an interactive prototype that aids the interpretation of large-scale gene expression data, showing how visualization techniques can be applied to support knowledge extraction from large datasets. The developed prototype was evaluated on a dataset of human embryonic stem cell-derived cardiomyocytes. The visualization approach presented here supports the analyst in finding...
Next-generation sequencing (NGS) has transformed genomic research by decreasing the cost of sequencing and increasing the throughput. Today the translation of NGS technology to (cancer) diagnostics and therapeutics is widely anticipated. In this paper we give an overview of design, user experience and usability (DUXU) requirements for NGS applications with a special focus on clinical and diagnostic...
Treemaps serve as generic, effective tools to display, explore, and analyze multi-variate tree data in a scalable, interactive, and consistent way. In this paper, we discuss and evaluate sketchiness as visual variable of 2.5D treemaps. Sketchy rendering techniques allow us to map data, e.g., about uncertainty, imprecision, or vagueness, independently from mappings to other visual variables such as...
This paper presents results of head tracker and speech commands interaction evaluation in information visualization context at low level task taxonomy. The head tracker is used to move a pointer and the voice commands to perform actions. In the evaluation, we used 20 public information visualization techniques, 62 simple tasks (aiming low-level interactions), and 10 participants performed all tasks...
Many information visualization techniques and tools have been created to analyze and understand temporal data. However, it is noticeable that time dimension is underused in most techniques and tools, used only as an aid in the search for patterns and answers. Therefore, this paper proposes an adaptation of the treemap joined with the calendar metaphor, using time as main attribute to hierarchy configuration...
Large displays are one of the core components of visualizing large-scale data sets, allowing users to render a larger amount of information and present it in the corresponding context. However, these displays still have many disadvantages, like the high costs that increase exponentially with display size and the immobility of the display setups. In this paper, we introduce a virtual large screen that...
This paper attempts to provide an insight into the cultural significance of Gond tribal art from Central India. Whilst the use of materials and subject matter has changed with time, Gond art still maintains its relationship with traditional techniques and religious context. However, the art form has only had limited exposure worldwide hence the purpose of this paper is to provide an overview of the...
How is traditional design being applied to create next level interfaces for electronic media? The principles guiding graphic design are the fundamental base of modern design, whether it is for the latest IOS interface or a HUD for the latest blockbuster game. How is current electronic design implementing these guiding fundamentals to create new ideas in interface design like the invisible interface?...
Screen resolution of digital images and digital displays has increased steadily over the last several decades, but there has been comparatively little interest in a parallel increase in temporal resolution, or frame rate. Several groups are experimenting with High Frame Rate (HFR) for live-action cinema, but they do not address the issue with respect to synthetic images (CGI) in animation, nor do...
This paper describes the visualization of global solar radiation data for teaching and research. ERA-40 data (1957-2002) [7,8] from the ECMWF model [6] was processed into annual and monthly averages over 45 years. A collaborative and iterative design methodology, including perceptually validated color progression was used. The data was visualized via Python's matplotlib (basemap) module. The results...
While the touch screens on mobile devices have penetrated and touched the lifestyle of millions of people, few have realized its potentials and sustainabilities at their finger tips. Resistive or capacitive touch screens are perfect surfaces for artistic expressions such as drawing and painting, all can be accomplished by a fine touch with only one finger, anytime, anywhere, any size. Be it discrete,...
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