Tootfinder

QuaDreamer: Controllable Panoramic Video Generation for Quadruped Robots
Sheng Wu, Fei Teng, Hao Shi, Qi Jiang, Kai Luo, Kaiwei Wang, Kailun Yang
https://arxiv.org/abs/2508.02512

QuaDreamer: Controllable Panoramic Video Generation for Quadruped Robots
Panoramic cameras, capturing comprehensive 360-degree environmental data, are suitable for quadruped robots in surrounding perception and interaction with complex environments. However, the scarcity of high-quality panoramic training data-caused by inherent kinematic constraints and complex sensor calibration challenges-fundamentally limits the development of robust perception systems tailored to these embodied platforms. To address this issue, we propose QuaDreamer-the first panoramic data gen…

AImoclips: A Benchmark for Evaluating Emotion Conveyance in Text-to-Music Generation
Gyehun Go, Satbyul Han, Ahyeon Choi, Eunjin Choi, Juhan Nam, Jeong Mi Park
https://arxiv.org/abs/2509.00813

AImoclips: A Benchmark for Evaluating Emotion Conveyance in Text-to-Music Generation
Recent advances in text-to-music (TTM) generation have enabled controllable and expressive music creation using natural language prompts. However, the emotional fidelity of TTM systems remains largely underexplored compared to human preference or text alignment. In this study, we introduce AImoclips, a benchmark for evaluating how well TTM systems convey intended emotions to human listeners, covering both open-source and commercial models. We selected 12 emotion intents spanning four quadrants …

Iterative Methods for Computing the Moore-Penrose Pseudoinverse of Quaternion Matrices, with Applications
Valentin Leplat, Salman Ahmadi-Asl, JunJun Pan, Ning Zheng
https://arxiv.org/abs/2508.16979

Iterative Methods for Computing the Moore-Penrose Pseudoinverse of Quaternion Matrices, with Applications
We develop iterative methods to compute the Moore-Penrose pseudoinverse of quaternion matrices directly in $\mathbb{H}$. We introduce a damped Newton-Schulz (NS) iteration, proving its convergence under spectral scaling $X_0=αA^H$ with $α\in(0,2/\|A\|_2^2)$. We derive higher-order hyperpower NS schemes with optimized factorizations. Beyond NS, we propose a randomized sketch-and-project method (RSP-Q) and a conjugate gradient on normal equations (CGNE-Q). Numerically, spectrally-scal…

On H-Conformal Semi-invariant Submersion
Punam Gupta, Kirti Gupta
https://arxiv.org/abs/2506.15099 https://arxiv.org/pdf/2506.15099…

On H-Conformal Semi-invariant Submersion
We explore h-conformal semi-invariant submersions and almost h-conformal semi-invariant submersions originating from quaternionic Kähler manifolds to Riemannian manifolds. Our investigation focuses on the geometric characteristics of these submersions, including the integrability of distributions and the geometry of foliations. Additionally, we establish the necessary and sufficient conditions for such submersions to be totally geodesic. We also examine the equivalent conditions for the total …

A Dual Quaternion Control Law for Formation Control of Multiple 3-D Rigid Bodies
Chunfeng Cui, Liqun Qi, Hao Chen, Xiangke Wang
https://arxiv.org/abs/2508.10519 https://

A Dual Quaternion Control Law for Formation Control of Multiple 3-D Rigid Bodies
This paper studies the integrated position and attitude control problem for multi-agent systems of 3D rigid bodies. While the state-of-the-art method in [Olfati-Saber and Murray, 2004] established the theoretical foundation for rigid-body formation control, it requires all agents to asymptotically converge to identical positions and attitudes, limiting its applicability in scenarios where distinct desired relative configurations must be maintained. In this paper, we develop a novel dual-quatern…

Data-driven Discovery of Novel High-performance Quaternary Chalcogenide Photovoltaics
Nikhil Singh, Mohammad Ubaid, Pabitra Kumar Nayak, Jiangang He, Dibyajyoti Ghosh, Chris Wolverton, Koushik Pal
https://arxiv.org/abs/2507.15430

Data-driven Discovery of Novel High-performance Quaternary Chalcogenide Photovoltaics
Photovoltaic materials facilitate the conversion of sunlight into electricity by harnessing the interaction between light and matter, offering an eco-friendly and cost-efficient energy solution. Combining data-driven approaches with static and time-dependent density functional theories and nonadiabatic molecular dynamics simulations, we predict 14 high-performance photoabsorber materials from a family of known quaternary semiconductors. Among these, we investigate four compounds - SrCuGdSe3, Sr…

Exploring the Feasibility of LLMs for Automated Music Emotion Annotation
Meng Yang, Jon McCormack, Maria Teresa Llano, Wanchao Su
https://arxiv.org/abs/2508.12626 https://

Exploring the Feasibility of LLMs for Automated Music Emotion Annotation
Current approaches to music emotion annotation remain heavily reliant on manual labelling, a process that imposes significant resource and labour burdens, severely limiting the scale of available annotated data. This study examines the feasibility and reliability of employing a large language model (GPT-4o) for music emotion annotation. In this study, we annotated GiantMIDI-Piano, a classical MIDI piano music dataset, in a four-quadrant valence-arousal framework using GPT-4o, and compared again…

H$_2$O and CO$_2$ sorption in ion exchange sorbents: distinct interactions in amine versus quaternary ammonium materials
Golnaz Najaf Tomaraei, Sierra Binney, Ryan Stratton, Houlong Zhuang, Jennifer L. Wade
https://arxiv.org/abs/2508.03909

H$_2$O and CO$_2$ sorption in ion exchange sorbents: distinct interactions in amine versus quaternary ammonium materials
This study investigates the H$_2$O and CO$_2$ sorption behavior of two ion exchange sorbents: a primary amine and a permanently charged strong base quaternary ammonium (QA) groups with (bi)carbonate counter-anions. We compare their distinct interactions with H$_2$O and CO$_2$ through simultaneous thermal gravimetric, calorimetric, gas analysis and molecular modeling to evaluate their performance for dilute CO$_2$ separations like direct air capture. Thermal and hybrid (heat + low-temperature …