Eurographics Digital Library

This is the DSpace 7 platform of the Eurographics Digital Library.
  • The contents of the Eurographics Digital Library Archive are freely accessible. Only access to the full-text documents of the journal Computer Graphics Forum (joint property of Wiley and Eurographics) is restricted to Eurographics members, people from institutions who have an Institutional Membership at Eurographics, or users of the TIB Hannover. On the item pages you will find so-called purchase links to the TIB Hannover.
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  • From 2022, all new releases published by Eurographics will be licensed under Creative Commons. Publishing with Eurographics is Plan-S compliant. Please visit Eurographics Licensing and Open Access Policy for more details.
 

Recent Submissions

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Bringing Emotions into the Picture: the CambiaColore Technology for Socio-emotional Learning in Children
(The Eurographics Association, 2025) Ceccaldi, Eleonora; Ferrando, Silvia; Corbellini, Nicola; Lepri, Giacomo; Volpe, Gualtiero; Berio, Daniel; Bruckert, Alexandre
Recognizing our and other people's emotions and being able to express them are key abilities that need to be nurtured and cherished. Technologies can provide teachers and educators with tools that help them engage children in didactic activities, which can foster the development of their emotional abilities. These technologies can also help children find outlets for their emotions, for instance through drawing or expressing emotions with their bodies. This work presents CambiaColore, a novel technology for emotional expression in children. The technology is grounded in the link between drawing and emotion, which is particularly powerful in children and aims to provide teachers with a novel engaging tool for educational, socio-emotional learning activities. Moreover, the technology aims to help children better grasp the interplay between individual and group emotions. The system was co-designed with teachers and educators, who provided incredibly valuable insight regarding its usability and target users. Here, we describe the theoretical premises of our system and its set-up and game-play and present future work directions.
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Robotic Painting using Semantic Image Abstraction
(The Eurographics Association, 2025) Stroh, Michael; Paetzold, Patrick; Berio, Daniel; Leymarie, Frederic Fol; Kehlbeck, Rebecca; Deussen, Oliver; Berio, Daniel; Bruckert, Alexandre
We present a novel image segmentation and abstraction pipeline tailored to robot painting applications. We address the unique challenges of realizing digital abstractions as physical artistic renderings. Our approach generates adaptive, semantics-based abstractions that balance aesthetic appeal, structural coherence, and practical constraints inherent to robotic systems. By integrating panoptic segmentation with color-based over-segmentation, we partition images into meaningful regions corresponding to semantic objects while providing customizable abstraction levels we optimize for robotic realization. We employ saliency maps and color difference metrics to support automatic parameter selection to guide a merging process that detects and preserves critical object boundaries while simplifying less salient areas. Graph-based community detection further refines the abstraction by grouping regions based on local connectivity and semantic coherence. These abstractions enable robotic systems to create paintings on real canvases with a controlled level of detail and abstraction.
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Expressive Rendering for 2D Animations of Liquids
(The Eurographics Association, 2025) Regla, Rodrigo Stevenson; Rohmer, Damien; Barthe, Loïc; Cani, Marie-Paule; Berio, Daniel; Bruckert, Alexandre
We describe a new rendering technique for expressive liquid surface 2D animation that can be used on top of existing particlebased simulations. We introduce a hybrid particle model that carries both water and air density distribution and can evolve through particle history. These material quantities combined with the kinematics information are then used to generate a scalar field, which can be parameterized to create an implicit iso-surface capturing stylized geometry commonly seen in paintings and cartoons. We propose, in particular, to represent behavior highlighting the dynamical aspect of the scene, such as elongated droplet behavior and curl-like shapes found in breaking waves.
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Perception of Drawing Reference Quality among Professional Hand-drawn Animators
(The Eurographics Association, 2025) Schwartz, Rachael; Mullery, Mark; Dingliana, John; McDonnell, Rachel; Berio, Daniel; Bruckert, Alexandre
We present a preliminary experiment, investigating professional hand-drawn animators' perception of how good one frame is as drawing reference for another. 10 professional hand-drawn animators rated the drawing reference quality of 54 hand-drawn frame pairs, each differing by character pose and region rotation, reflection, and distortion transformations. Our results indicate that animators perceive frames differing by rotation/reflection as better drawing reference than frames differing by distortion.
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Towards Automated 2D Character Animation
(The Eurographics Association, 2025) Mailee, Hamila; Anjos, Rafael Kuffner dos; Berio, Daniel; Bruckert, Alexandre
Automating facial expression changes in comics and 2D animation presents several challenges, as facial structures can vary widely, and audiences are susceptible to the subtlest changes. Building on extensive research in human face image manipulation, landmark-guided image editing offers a promising solution, providing precise control and yielding satisfactory results. This study addresses the challenges hindering the advancement of landmark-based methods for cartoon characters and proposes the use of object detection models -specifically YOLOX and Faster R-CNN- to detect initial facial regions. These detections serve as a foundation for expanding landmark annotations, enabling more effective expression manipulation to animate expressive characters. The codes and trained models are publicly available here.