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@arXiv_csHC_bot@mastoxiv.page
2025-06-17 10:50:34

From Flat to Feeling: A Feasibility and Impact Study on Dynamic Facial Emotions in AI-Generated Avatars
Pegah Salehi, Sajad Amouei Sheshkal, Vajira Thambawita, P{\aa}l Halvorsen
arxiv.org/abs/2506.13477

From Flat to Feeling: A Feasibility and Impact Study on Dynamic Facial Emotions in AI-Generated Avatars
Dynamic facial emotion is essential for believable AI-generated avatars; however, most systems remain visually inert, limiting their utility in high-stakes simulations such as virtual training for investigative interviews with abused children. We introduce and evaluate a real-time architecture fusing Unreal Engine 5 MetaHuman rendering with NVIDIA Omniverse Audio2Face to translate vocal prosody into high-fidelity facial expressions on photorealistic child avatars. We implemented a distributed t…

@arXiv_csCL_bot@mastoxiv.page
2025-06-03 08:20:07

MaXIFE: Multilingual and Cross-lingual Instruction Following Evaluation
Yile Liu, Ziwei Ma, Xiu Jiang, Jinglu Hu, Jing Chang, Liang Li
arxiv.org/abs/2506.01776

MaXIFE: Multilingual and Cross-lingual Instruction Following Evaluation
With the rapid adoption of large language models (LLMs) in natural language processing, the ability to follow instructions has emerged as a key metric for evaluating their practical utility. However, existing evaluation methods often focus on single-language scenarios, overlooking the challenges and differences present in multilingual and cross-lingual contexts. To address this gap, we introduce MaXIFE: a comprehensive evaluation benchmark designed to assess instruction-following capabilities a…

@leftsidestory@mstdn.social
2025-06-11 00:30:00

Urban Life 101 🏙️
城市生活 101 🏙️
📷 Nikon FE
🎞️Ilford FP4 Plus, expired 1995
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

Ilford FP4 E.I. 64 **Alt text in English:** A black and white photograph of a puddle on a paved surface. The puddle reflects a utility pole along with some surrounding trees or foliage. The reflection appears slightly distorted due to ripples and debris in the water. **Alt text in Chinese:** 一张黑白照片，显示在铺砌地面上的水坑。水坑倒映出一根电线杆以及一些周围的树木或植物。由于水面的波纹和碎屑，倒影看起来有些扭曲。
Ilford FP4 E.I. 64 **English Alt Text:** "A black and white photograph of a plant with large, broad leaves. The plant is situated indoors, near a window, with light filtering through the leaves, creating a dramatic contrast and shadow effect. The leaves are detailed and appear slightly wilted or drooping." **Chinese Alt Text:** "一张黑白照片，展示了一株具有大而宽叶子的植物。植物位于室内，靠近窗户，光线透过叶子，形成戏剧性的对比和阴影效果。叶子细节清晰，看起来有些枯萎或下垂。"
Ilford FP4 E.I. 64 **English Alt Text:** "A black and white photograph of a bicycle parked and secured to a metal bike rack. The bike is positioned at an angle, with the front wheel prominently displayed in the foreground. The word 'FOREVER' is visible on the frame of the bicycle. The background consists of a paved sidewalk and additional bike racks." **Chinese Alt Text:** "一张黑白照片，展示了一辆自行车停放并固定在金属自行车架上。自行车以一定角度摆放，前轮清晰地显示在前景中。自行车车架上可以看到“FOREVER”字样。背景是铺砌的人行道和更多的自行车架。"
Ilford FP4 E.I. 64 **English Alt Text:** "A black and white photograph of a staircase in what appears to be a subway or underground station. The stairs are equipped with a central handrail and are flanked by walls on either side. The lighting is artificial, casting shadows and highlighting the steps. The stairs lead upwards, suggesting an exit or an upper level." **Chinese Alt Text:** "一张黑白照片，展示了一个看起来像是地铁或地下站的楼梯。楼梯中央设有扶手，两侧有墙壁。灯光是人工的，投下阴影并突出了台阶。楼梯向上延伸，暗示出口或上一层。"

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@arXiv_physicschemph_bot@mastoxiv.page
2025-06-11 09:22:55

Compact magnetic field cycling system with the range from nT to 9.4 T exemplified with 13C relaxation dispersion and SABRE-SHEATH hyperpolarization
Josh P. Peters, Charbel D. Assaf, Jan-Bernd H\"ovener, Andrey N. Pravdivtsev
arxiv.org/abs/2506.08711

Compact magnetic field cycling system with the range from nT to 9.4 T exemplified with 13C relaxation dispersion and SABRE-SHEATH hyperpolarization
We present a compact magnetic field cycling system for high-resolution NMR spectrometers. The system enables the transfer of the sample from B0 field of 9.4 T to about nT and all fields in between within 1 second. Utilizing a flexible gear rod made the shuttling system more compact, reducing the height to about the height required for filling liquid helium - hence, it can be installed in average-size NMR laboratories (the height of NMR with MFC is only 3.32 m). The system utility is exemplified…

@arXiv_econEM_bot@mastoxiv.page
2025-05-30 09:56:28

This arxiv.org/abs/2409.08347 has been replaced.
initial toot: mastoxiv.page/@arXiv_eco…

Sensitivity analysis of the perturbed utility stochastic traffic equilibrium
This paper develops a novel sensitivity analysis framework for the perturbed utility route choice (PURC) model and the accompanying stochastic traffic equilibrium model. We provide general results that determine the marginal change in link flows following a marginal change in link costs across the network in the cases of flow-independent and flow-dependent link costs. We derive analytical sensitivity expressions for the Jacobian of the individual optimal PURC flow and equilibrium link flows wit…