Problem
Research questions and friction points this paper is trying to address.
brain connectivity
functional connectivity
visualization tool
chord diagram
neuroimaging
BrainRing: An Interactive Web-Based Tool for Brain Connectivity Chord Diagram Visualization
🤖 AI Summary
Existing tools for visualizing brain functional connectivity often rely on complex configurations or proprietary software, resulting in high technical barriers and cumbersome workflows. This work proposes a lightweight, purely client-side web application that requires no installation or programming knowledge, enabling users to generate high-quality, interactive connectome chord diagrams directly within a browser via a single HTML file. The tool is the first to achieve zero-dependency, cross-lingual (Chinese/English) front-end visualization of brain connectivity, integrating eight widely used brain atlases, supporting import of Circos link files, and offering real-time parameter adjustment with edge customization. It also facilitates export to publication-ready SVG or PNG formats. Users can produce vector graphics suitable for publication in seconds—dramatically outperforming conventional script-based approaches that typically require minutes to hours—thereby substantially enhancing both efficiency and accessibility in neuroimaging visualization.
📝 Abstract
Visualizing brain functional connectivity (FC) patterns is essential for understanding neural organization, yet existing tools such as Circos and BrainNet Viewer require complex configuration files or proprietary software environments. We present BrainRing, a free, open-source, browser-based interactive tool for generating publication-quality chord diagrams of brain connectivity data. BrainRing requires no installation, backend server, or programming knowledge. Users simply open a single HTML file in any modern browser. The tool supports 8 widely-used brain atlases (Brainnetome 246, AAL-90/116, Schaefer 100/200/400, Power 264, and Dosenbach 160), provides real-time parameter adjustment through an intuitive graphical interface, and offers comprehensive edge management including click-to-connect, per-edge color customization, and Circos link file import. BrainRing supports both Chinese and English interfaces and enables researchers to produce publication-ready SVG and PNG figures with full control over visual styling, all within seconds rather than the minutes-to-hours workflow typical of script-based approaches. BrainRing is freely available at https://github.com/XiuFan719/brain-connectivity-viz with a live demo at https://XiuFan719.github.io/brain-connectivity-viz/.
Innovation
Methods, ideas, or system contributions that make the work stand out.
interactive visualization
brain connectivity
chord diagram
web-based tool
open-source
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