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This paper presents a novel Contrastive Self-Attention Convolutional Neural Network (CSA-CNN) model with enhanced Difficulty Aware (DA) loss function to improve the segmentation of pupils in eye images. The incorporation of transformer-style self-...

Diverse internal system laws and complex external environments often generate multi-characteristic time series, presenting challenges for forecasting methods in terms of model adaptability and practical feasibility. To address this issue, this ...

• Accumulating generation operators (AGOs) for data preprocessing are systematically introduced and analyzed.
• A novel unified accumulating generation operator based on the feature decoupling is initially designed.
• The proposed AGO ...

Eye gaze estimation has lots of potentials in human-computer interaction. A popular scheme for eye gaze estimation in literature uses some infrared (IR) lights to illuminate the eyes while an IR camera captures the images, and the essential step in this ...

Existing physical cloth simulators suffer from expensive computation and difficulties in tuning mechanical parameters to get desired wrinkling behaviors. Data-driven methods provide an alternative solution. They typically synthesize cloth ...

We present a novel approach to reconstruct high-fidelity geometric human face model from a single RGB image. The main idea is to add details into a coarse 3D Morphable Model (3DMM) based model in a self-supervised way. Our observation is that most of ...

• Capturing 3D feature curves on real human bodies with a smart vest has been proposed.

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A novel human body reconstruction method based on measuring human body feature curves is proposed in this paper. Feature curves reflecting the cross section shape of human body are obtained by reconstructing the shapes of flexible ...

In this paper, we present an efficient method to eliminate the obtuse triangles for high quality 2D mesh generation. Given an initialization (e.g., from Centroidal Voronoi Tessellation—CVT), a limited number of point insertions and ...

With the ubiquity of digital cameras and the growth of social media population, people share and upload millions of photos per day. To effectively manage or explore a series of shots of different scenes, people often hope to pick a few representative ...

We present a simple technique for improving the 2D meshing quality by eliminating obtuse triangles. Given a well-initialized 2D mesh that contains a small amount of obtuse triangles, we iteratively insert a few new points at calculated feasible regions ...

Pre-existing penetrations often show up in many applications, particularly in garments fitting. The popular continuous collision detection (CCD) based methods are incapable of handling them, as there is no history information to rely on. On the other ...

The cloth simulation systems often suffer from excessive extension on the polygonal mesh, so an additional strain-limiting process is typically used as a remedy in the simulation pipeline. A cloth model can be discretized as either a quadrilateral mesh ...

Penetrations are often unavoidable in modeling cloth or other deformable surfaces. It could exist as an initial configuration or show up in the middle of a dynamics simulation process. We present a new method for resolving such penetrations. To be ...

We present a framework for a virtual try-on system. Starting with a template human body mesh, we reshape it to acquire meshes of various body dimensions according to the user specified parameters. These reshaped bodies are further processed in two ...

We present a new method for resolving some of the most frequently occurring penetration configurations in cloth simulation, with a history-free discrete collision detection (DCD). To be adapted to a wide range of applications, this method is also ...

Geometric flows have been successfully used for surface modeling and designing, largely because they are inherently good at controlling geometric shape evolution. Variational image segmentation approaches, on the other hand, detect objects of interest ...

The Intersection Contour Minimization (ICM) method [VM06] has been proven to be an effective history-free algorithm for resolving collisions between non-oriented deformable surfaces. In many circumstances, however, surface orientation information are ...

The Intersection Contour Minimization (ICM) method [VM06] has been proven to be an effective historyfree algorithm for resolving collisions between non-oriented deformable surfaces. In many circumstances, however, surface orientation information are ...

In this paper, we present an efficient yet easy-to-implement technique which performs automatic skinning and animation of skeletal models. At a pre-processing stage, a character model is firstly decomposed into a number of segments per bone basis, and ...

Designing an elegant 3D virtual garment model for a 3D virtual human model is labor-intensive, because most existing garment models are custom-made for a specific human model and cannot be easily reused for other individuals. In this paper, we propose a ...

Modern direct solvers have been more and more widely used by computer graphics community for solving sparse linear systems, such as those that arise in cloth simulation. However, external constraints usually prevent a direct method from being used for ...