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      Hierarchical Banzhaf Interaction for General Video-Language Representation Learning

      December 30, 2024

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      Computer Science
      Computer Vision and Pattern Recognition
      Multimodal representation learning, with contrastive learning, plays an important role in the artificial intelligence domain. As an important subfield, video-language representation learning focuses on learning representations using global ...

      On the convective Brinkman-Forchheimer equations

      December 30, 2024

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      Mathematics
      Analysis of PDEs
      The convective Brinkman--Forchheimer equations or the Navier--Stokes equations with damping in bounded or periodic domains ⊂Rd\subset\mathbb{R}^d⊂Rd, 2≤d≤42\leq d\leq 42≤d≤4 are considered in this work. The existence and uniqueness of a global weak sol...

      Unsupervised dense retrieval with conterfactual contrastive learning

      December 30, 2024

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      Computer Science
      Information Retrieval
      Efficiently retrieving a concise set of candidates from a large document corpus remains a pivotal challenge in Information Retrieval (IR). Neural retrieval models, particularly dense retrieval models built with transformers and pretrained l...

      4D Gaussian Splatting: Modeling Dynamic Scenes with Native 4D Primitives

      December 30, 2024

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      Computer Science
      Computer Vision and Pattern Recognition
      Dynamic 3D scene representation and novel view synthesis from captured videos are crucial for enabling immersive experiences required by AR/VR and metaverse applications. However, this task is challenging due to the complexity of unconstrai...

      Wear and corrosion properties of Mg(OH)2_22​ compound layer formed on magnesium alloy in superheated water vapor

      December 30, 2024

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      Physics
      Materials Science
      The wear resistance of magnesium and its alloys is very poor due to their inherent low hardness and poor tribological properties. Improving the wear resistance of magnesium and its alloys plays a significant role in expanding their applicat...

      The Hamilton equations in f(T)f(T)f(T) teleparallel gravity and in New General Relativity

      December 29, 2024

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      Physics
      General Relativity and Quantum Cosmology
      High Energy Physics - Theory
      General Relativity and Quantum Cosmology
      High Energy Physics - Theory
      We derive the Hamiltonian function for extended teleparallel theories of gravity in their covariant formulation. In particular, we present the Hamiltonian for f(T)f(T)f(T) gravity and New General Relativity. From this, we obtain the related Hamil...

      Defending Multimodal Backdoored Models by Repulsive Visual Prompt Tuning

      December 29, 2024

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      Computer Science
      Computer Vision and Pattern Recognition
      Computer Vision and Pattern Recognition
      Multimodal contrastive learning models (e.g., CLIP) can learn high-quality representations from large-scale image-text datasets, yet they exhibit significant vulnerabilities to backdoor attacks, raising serious safety concerns. In this pape...

      DPBridge: Latent Diffusion Bridge for Dense Prediction

      December 29, 2024

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      Computer Science
      Computer Vision and Pattern Recognition
      Computer Vision and Pattern Recognition
      Diffusion models have shown remarkable capabilities in modeling complex data distributions by transforming noise into structured data through stochastic processes. However, when applied to dense prediction tasks whose goal is to capture per...

      A Comprehensive Study of IPTV: Challenges, Opportunities, and Future Trends

      December 29, 2024

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      Computer Science
      Electrical Engineering and Systems Science
      Networking and Internet Architecture
      Image and Video Processing
      Signal Processing
      Networking and Internet Architecture
      Image and Video Processing
      Signal Processing
      IPTV (Internet Protocol Television) is a transformative approach to delivering audio and video services through high-speed Internet networks, enabling direct access to television content via home computers or set-top boxes. Despite its prom...

      Cosmological stimulated emission

      December 29, 2024

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      Physics
      Cosmology and Nongalactic Astrophysics
      General Relativity and Quantum Cosmology
      High Energy Physics - Phenomenology
      High Energy Physics - Theory
      Cosmology and Nongalactic Astrophysics
      General Relativity and Quantum Cosmology
      High Energy Physics - Phenomenology
      High Energy Physics - Theory
      We study the analogy between graviton emission and absorption in a thermal radiation environment and the laser mechanism, in which photons of the same momentum and polarization are amplified. Using interaction-picture perturbation theory, w...
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