19 citations · 27 across the 26 of their papers we have counts for
28 papers
Conformal Geometric Algebra as a Symbolic Interface for LLM-Driven 3D Scene Editing
Manos Kamarianakis, Pandelis Sofianos, George Papagiannakis
What symbolic format should an LLM emit for reliable 3D scene editing from natural language, and does algebraic structure help beyond compact syntax? We evaluate Conformal Geometri…
The Uncanny Valley in medical simulation-based training: a visual summary
Eleni Grigoriou, Manos Kamarianakis, George Papagiannakis
The purpose of this review article is to provide a bibliographical as well as evidence-based visual guide regarding the effect of ``Uncanny Valley'' (UV) and how it profoundly infl…
One algebra for all : Geometric Algebra methods for neurosymbolic XR scene authoring, animation and neural rendering
Manos Kamarianakis, Antonis Protopsaltis, George Papagiannakis
This position paper delves into the transformative role of Geometric Algebra (GA) in advancing specific areas of Computer Graphics (CG) and Extended Reality (XR), particularly in c…
Neural-GASh: A CGA-based neural radiance prediction pipeline for real-time shading
Efstratios Geronikolakis, Manos Kamarianakis, Antonis Protopsaltis +1
This paper presents Neural-GASh, a novel real-time shading pipeline for 3D meshes, that leverages a neural radiance field architecture to perform image-based rendering (IBR) using…
Non-linear, Team-based VR Training for Cardiac Arrest Care with enhanced CRM Toolkit
Mike Kentros, Manos Kamarianakis, Michael Cole +3
This paper introduces iREACT, a novel VR simulation addressing key limitations in traditional cardiac arrest (CA) training. Conventional methods struggle to replicate the dynamic n…
pyGANDALF -- An open-source, Geometric, ANimation, Directed, Algorithmic, Learning Framework for Computer Graphics
John Petropoulos, Manos Kamarianakis, Antonis Protopsaltis +1
In computer graphics (CG) education, the challenge of finding modern, versatile tools is significant, particularly when integrating both legacy and advanced technologies. Tradition…
Geometric Algebra Meets Large Language Models: Instruction-Based Transformations of Separate Meshes in 3D, Interactive and Controllable Scenes
Prodromos Kolyvakis, Manos Kamarianakis, George Papagiannakis
This paper introduces a novel integration of Large Language Models (LLMs) with Conformal Geometric Algebra (CGA) to revolutionize controllable 3D scene editing, particularly for ob…
VR Isle Academy: A VR Digital Twin Approach for Robotic Surgical Skill Development
Achilleas Filippidis, Nikolaos Marmaras, Michael Maravgakis +3
Contemporary progress in the field of robotics, marked by improved efficiency and stability, has paved the way for the global adoption of surgical robotic systems (SRS). While thes…
GA-Unity: A Production-Ready Unity Package for Seamless Integration of Geometric Algebra in Networked Collaborative Applications
Manos Kamarianakis, Nick Lydatakis, George Papagiannakis
This paper introduces GA-Unity, the first Unity package specifically designed for seamless integration of Geometric Algebra (GA) into collaborative networked applications. Indeed,…
UniSG^GA: A 3D scenegraph powered by Geometric Algebra unifying geometry, behavior and GNNs towards generative AI
Manos Kamarianakis, Antonis Protopsaltis, Dimitris Angelis +3
This work presents the introduction of UniSG^GA, a novel integrated scenegraph structure, that to incorporates behavior and geometry data on a 3D scene. It is specifically designed…
AR-Assisted Surgical Care via 5G networks for First Aid Responders
Manos Kamarianakis, Antonis Protopsaltis, George Papagiannakis
Surgeons should play a central role in disaster planning and management due to the overwhelming number of bodily injuries that are typically involved during most forms of disaster.…
Project Elements: A computational entity-component-system in a scene-graph pythonic framework, for a neural, geometric computer graphics curriculum
George Papagiannakis, Manos Kamarianakis, Antonis Protopsaltis +2
We present the Elements project, a lightweight, open-source, computational science and computer graphics (CG) framework, tailored for educational needs, that offers, for the first…
Progressive tearing and cutting of soft-bodies in high-performance virtual reality
Manos Kamarianakis, Antonis Protopsaltis, Dimitris Angelis +2
We present an algorithm that allows a user within a virtual environment to perform real-time unconstrained cuts or consecutive tears, i.e., progressive, continuous fractures on a d…
MAGES 4.0: Accelerating the world's transition to VR training and democratizing the authoring of the medical metaverse
Paul Zikas, Antonis Protopsaltis, Nick Lydatakis +14
In this work, we propose MAGES 4.0, a novel Software Development Kit (SDK) to accelerate the creation of collaborative medical training applications in VR/AR. Our solution is essen…
Assessing unconstrained surgical cuttings in VR using CNNs
Ilias Chrysovergis, Manos Kamarianakis, Mike Kentros +3
We present a Convolutional Neural Network (CNN) suitable to assess unconstrained surgical cuttings, trained on a dataset created with a data augmentation technique.
Recording and replaying psychomotor user actions in VR
Manos Kamarianakis, Ilias Chrysovergis, Mike Kentros +1
We introduce a novel method that describes the functionality and characteristics of an efficient VR recorder with replay capabilities, implemented in a modern game engine, publicly…
Realistic soft-body tearing under 10ms in VR
Manos Kamarianakis, Antonis Protopsaltis, Michail Tamiolakis +1
We present a novel integration of a real-time continuous tearing algorithm for 3D meshes in VR, suitable for devices of low CPU/GPU specifications, along with a suitable particle d…
Less Is More: Efficient Networked VR Transformation Handling Using Geometric Algebra
Manos Kamarianakis, Ilias Chrysovergis, Nick Lydatakis +2
As shared, collaborative, networked, virtual environments become increasingly popular, various challenges arise regarding the efficient transmission of model and scene transformati…
"Deep Cut": An all-in-one Geometric Algorithm for Unconstrained Cut, Tear and Drill of Soft-bodies in Mobile VR
Manos Kamarianakis, Nick Lydatakis, Antonis Protopsaltis +4
In this work, we present an integrated geometric framework: "deep- cut" that enables for the first time a user to geometrically and algorithmically cut, tear and drill the surface…
A computational medical XR discipline
George Papagiannakis, Walter Greenleaf, Michael Cole +13
Computational Medical Extended Reality (CMXR), brings together life sciences and neuroscience with mathematics, engineering and computer science. It unifies computational science (…
Decidability of the theory of addition and the Frobenius map in rings of rational functions
Dimitra Chompitaki, Manos Kamarianakis, Thanases Pheidas
We prove model completeness for the theory of addition and the Frobenius map for certain subrings of rational functions in positive characteristic. More precisely: Let be a pri…
Never 'Drop the Ball' in the Operating Room: An efficient hand-based VR HMD controller interpolation algorithm, for collaborative, networked virtual environments
Manos Kamarianakis, Nick Lydatakis, George Papagiannakis
In this work, we propose two algorithms that can be applied in the context of a networked virtual environment to efficiently handle the interpolation of displacement data for hand-…
An All-In-One Geometric Algorithm for Cutting, Tearing, and Drilling Deformable Models
Manos Kamarianakis, George Papagiannakis
Conformal Geometric Algebra (CGA) is a framework that allows the representation of objects, such as points, planes and spheres, and deformations, such as translations, rotations an…
Deform, Cut and Tear a skinned model using Conformal Geometric Algebra
Manos Kamarianakis, George Papagiannakis
In this work, we present a novel, integrated rigged character simulation framework in Conformal Geometric Algebra (CGA) that supports, for the first time, real-time cuts and tears,…