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Related papers: Illusory Shapes via Phase Transition

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The real and imaginary scattering phase shifts (SPS) and potentials for $\ell=0,2,4$ partial waves have been obtained by developing a novel algorithm$^{\ref{Fig1}}$ to derive inverse potentials using a phenomenological approach. The phase…

Nuclear Theory · Physics 2024-12-20 Shikha Awasthi , Ishwar Kant , Anil Khachi , O. S. K. S. Sastri

We present a novel approach to object classification and detection which requires minimal supervision and which combines visual texture cues and shape information learned from freely available unlabeled web search results. The explosion of…

Computer Vision and Pattern Recognition · Computer Science 2016-09-15 Xingchao Peng , Kate Saenko

This paper proposes a novel and physically interpretable method for face editing based on arbitrary text prompts. Different from previous GAN-inversion-based face editing methods that manipulate the latent space of GANs, or diffusion-based…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Yapeng Meng , Songru Yang , Xu Hu , Rui Zhao , Lincheng Li , Zhenwei Shi , Zhengxia Zou

We introduce a variational manifold of simple tensor network states for the study of a family of constrained models that describe spin-1/2 systems as realized by Rydberg atom arrays. Our manifold permits analytical calculation via…

Quantum Physics · Physics 2024-05-13 Joey Li , Giuliano Giudici , Hannes Pichler

An analog of the continuum Widom-Rowlinson model is introduced and studied. Its two-component version is a gas of point particles of types 0 and 1 placed in $\mathds{R}^d$, in which like particles do not interact and unlike particles…

Mathematical Physics · Physics 2018-08-01 Yuri Kozitsky , Mykhailo Kozlovskii

In this work we propose a method based on geometric deep learning to predict the complete surface of the liver, given a partial point cloud of the organ obtained during the surgical laparoscopic procedure. We introduce a new data…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Simone Foti , Bongjin Koo , Thomas Dowrick , Joao Ramalhinho , Moustafa Allam , Brian Davidson , Danail Stoyanov , Matthew J. Clarkson

A model in statistical mechanics, characterised by the corresponding Gibbs measure, is a subset of the totality of probability distributions on the phase space. The shape of this subset, i.e., the geometry, then plays an important role in…

Condensed Matter · Physics 2007-05-23 D. C. Brody , A. Ritz

Transitions of many-particle quantum systems between distinct phases at absolute-zero temperature, known as quantum phase transitions, require an exacting treatment of particle correlations. In this work, we present a general…

Quantum Physics · Physics 2022-07-29 Samuel Warren , LeeAnn M. Sager-Smith , David A. Mazziotti

In a vacuum first-order phase transition, gravitational waves are generated from collision of bubbles of the true vacuum. The spectrum from such collisions takes the form of a broken power law. We consider a toy model for such a phase…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-03 Daniel Cutting , Elba Granados Escartin , Mark Hindmarsh , David J. Weir

Text-conditioned diffusion models have emerged as powerful tools for high-quality video generation. However, enabling Interactive Video Generation (IVG), where users control motion elements such as object trajectory, remains challenging.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Ishaan Rawal , Suryansh Kumar

This paper proposes a new variational model by integrating the Allen-Cahn term with a local binary fitting energy term for segmenting images with intensity inhomogeneity and noise. An inhomogeneous graph Laplacian initialization method…

Numerical Analysis · Mathematics 2021-09-24 Chaoyu liu , Zhonghua Qiao , Qian Zhang

We present a non-diagonal phase field model for phase transformations with unequal but finite diffusivities in the two phases. This model allows to recover the desired boundary conditions at the interface, and especially the elimination of…

Materials Science · Physics 2017-06-28 G. Boussinot , Efim A. Brener , C. Hueter , R. Spatschek

Taking advantage of the flexibility of the variational method with coordinate transformations, we derive a self-consistent set of equations of motion from a discretized Lagrangian to study kinetic plasmas using a Fourier decomposed…

Computational Physics · Physics 2014-11-04 A. B. Stamm , B. A. Shadwick

In this work, we present a new efficient method for convex shape representation, which is regardless of the dimension of the concerned objects, using level-set approaches. Convexity prior is very useful for object completion in computer…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Lingfeng li , Shousheng Luo , Xue-Cheng Tai , Jiang Yang

We design the phase shifts of an intelligent reflecting surface (IRS)-assisted single-input-multiple-output communication system to minimize the outage probability (OP) and to maximize the ergodic rate. Our phase shifts design uses only…

Information Theory · Computer Science 2022-11-08 Shashank Shekhar , Athira Subhash , Tejesh Kella , Sheetal Kalyani

How to characterize topological quantum phases is a fundamental issue in the broad field of topological matter. From a dimension reduction approach, we propose the concept of high-order band inversion surfaces (BISs) which enable the…

Mesoscale and Nanoscale Physics · Physics 2021-05-18 Xiang-Long Yu , Wentao Ji , Lin Zhang , Ya Wang , Jiansheng Wu , Xiong-Jun Liu

Under the spin-position decoupling approximation, a vector with a phase in 3D orientation space endowed with geometric algebra, substitutes the vector-matrix spin model built on the Pauli spin operator. The standard quantum operator-state…

Quantum Physics · Physics 2022-12-20 Sokol Andoni

We consider the form of the chiral symmetry breaking piece of the effective potential in the linear sigma model. Surprisingly, it allows for a second local minimum at both zero and finite temperature. Even though chiral symmetry is not…

High Energy Physics - Phenomenology · Physics 2009-10-28 Joseph I. Kapusta , Ajit M. Srivastava

We propose a new volumetric grasp model that is equivariant to rotations around the vertical axis, leading to a significant improvement in sampling efficiency. Our model employs a tri-plane volumetric feature representation -- i.e., the…

Robotics · Computer Science 2026-05-12 Pinhao Song , Yutong Hu , Pengteng Li , Renaud Detry

Manipulating volumetric deformable objects in the real world, like plush toys and pizza dough, bring substantial challenges due to infinite shape variations, non-rigid motions, and partial observability. We introduce ACID, an…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Bokui Shen , Zhenyu Jiang , Christopher Choy , Leonidas J. Guibas , Silvio Savarese , Anima Anandkumar , Yuke Zhu