Action Unit
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Related Articles from SNS
WALL-WM: Carving World Action Modeling at the Event Joints
arXiv:2606.01955v1 Announce Type: new Abstract: WALL-WM is a World Action Model that shifts video-action learning from chunk-centric optimization to event-grounded Vision-Language-Action pretraining, using semantically coherent action events as the atomic unit of learning. Existing WAMs commonly initialize from multimodal or video foundation models and then optimize fixed-length action chunks conditioned directly on the current observation and instruction. Although convenient, this...
Two-Action Apple Tasting with Switching Costs
new Abstract: We study the two-action apple-tasting problem with switching costs against an oblivious adversary. In an equivalent normalized formulation, at each round the learner chooses between a revealing action and a blind action: the revealing action gives reward $0$ and reveals the hidden value $x_t\in[-1,1]$ of the blind action; the blind action gives reward $x_t$ but reveals nothing. The learner pays one unit whenever they switches actions, and regret is measured against the best...
Facial Expression Recognition in the Deep Learning Era: A Systematic Multi-Criteria Review of Methods, Models, Datasets, Performance, Challenges, and Future Research Directions
new Abstract: Facial Expression Recognition (FER) has advanced rapidly over the last decade, driven by the shift from handcrafted descriptors and shallow classifiers to deep convolutional, attention-based, vision-language, and foundation-model architectures, and by the parallel growth of large-scale in-the-wild benchmarks spanning categorical, dimensional, compound, micro-expression, Action Unit (AU), and intensity-estimation tasks. Yet the deep learning-based FER landscape has so far been...
Facial-R1: Aligning Reasoning and Recognition for Facial Emotion Analysis
arXiv:2511.10254v2 Announce Type: replace Abstract: Facial Emotion Analysis (FEA) extends traditional facial emotion recognition by incorporating explainable, fine-grained reasoning. The task integrates three subtasks: emotion recognition, facial Action Unit (AU) recognition, and AU-based emotion reasoning to model affective states jointly. While recent approaches leverage Vision-Language Models (VLMs) and achieve promising results, they face two critical limitations: (1) hallucinated...
Horse Eye Blink Detection and Classification for Equine Affective State Assessment
Announce Type: new Abstract: Automated detection of equine facial action units (AUs) is a promising yet under-explored avenue for pain and affective state assessment in horses. Half and full-blink movements are recognised indicators of pain and stress, but as micro-expressions, their subtle, fine-grained nature makes them easily missed by the naked eye and only discernible through frame-by-frame video inspection, making reliable automated detection from video a particularly demanding task....
Decision-Aware Memory Cards: Counterfactual-Inspired Context Selection and Compression for Tool-Using LLM Agents
arXiv:2606.08151v1 Announce Type: new Abstract: Tool-using LLM agents often fail not because relevant text is absent, but because decisive evidence is not selected, compressed, or surfaced at action time. We present CICL, a decision-aware context layer that turns instance evidence into a context graph, routes deterministic, Opus-assisted, Qwen, Codex/GPT-5.5, and Qwen-QLoRA judgments through a shared eight-field schema, scores units by action shift, outcome uplift, necessity, and...
US tightens pressure on Iran with new sanctions and threats of more strikes
US tightens pressure on Iran with new sanctions and threats of more strikes Washington targets firms in China and Hong Kong accused of aiding Iranian weapons procurement as Trump warns of further military action The United States ramped up pressure on Iran on Wednesday, with President Donald Trump threatening more strikes and the Treasury Department slapping fresh sanctions on entities that it says “have supported weapons procurement” on behalf of Tehran, including some in China and Hong...
What’s happening on day 96 of Iran war as US, Iran engage in new attacks
What’s happening on day 96 of Iran war as US, Iran engage in new attacks Rubio says the US will lift sanctions on Iran only if it gives up enriched uranium, rejecting a Strait of Hormuz-linked deal. As the US-Israel war on Iran entered its 96th day, the conflict widened across the Gulf region, with both sides reporting new military actions. The United States military said on Wednesday it carried out “self-defence” strikes on Iran’s Qeshm Island, while Iranian media reported explosions in the...
How wing-backs and chemistry helped the US break through against Senegal
Sergiño Dest scored the US’s opener on Sunday thanks a collection of little actions from his teammatesThe United States men’s national team has undergone considerable change from one window to the next throughout Mauricio Pochettino’s tenure. And it makes some sense; the Argentine had plenty of first-hand assessments to conduct, limiting the core group’s ability to iron out patterns of play and forge partnerships. Still, amid all that turnover, Antonee Robinson and Sergiño Dest were expected...
How wing-backs and chemistry helped the US break through against Senegal
Sergiño Dest scored the US’s opener on Sunday thanks a collection of little actions from his teammatesThe United States men’s national team has undergone considerable change from one window to the next throughout Mauricio Pochettino’s tenure. And it makes some sense; the Argentine had plenty of first-hand assessments to conduct, limiting the core group’s ability to iron out patterns of play and forge partnerships. Still, amid all that turnover, Antonee Robinson and Sergiño Dest were expected...