提出 MiniWorld,一个从零训练流式视频世界模型的可复现框架,采用 chunk-wise 非递减噪声调度与两阶段继续训练,提升时间建模与稳定性,将促进未来视频世界模型的研究。MiniWorld is presented, a reproducible framework for training streaming video world models from scratch that adopts a chunk-wise non-decreasing noise schedule and two-stage continued training to improve temporal modeling and stability and will facilitate future research on video world modeling.
论文
1686 张论文卡片 · OA 绿色
为人体动作识别引入新问题域:基于标准 RGB 视频对儿童步态行为进行细粒度分析,并描述一个统一的端到端框架用于解码儿科步态的基本组成。This work introduces a new problem domain for human action recognition: the fine-grained analysis of children's gait behaviors from standard RGB video, and describes a unified end-to-end framework for decoding fundamental components of pediatric gait.
FinIndices 是一个大规模基准,在未裁剪的财务报表(最长 32K tokens)上评估数据处理保真度,带来显著的零提示增益,验证通过以数据为中心的对齐可部分恢复结构化逻辑。FinIndices is a large-scale benchmark evaluating data-processing fidelity over uncropped financial statements (up to 32K tokens) and yields substantial zero-hint gains, validating that structured logic can be partially restored via data-centric alignment.
对现有图神经网络模型进行了详细综述,系统性地归纳了其应用,并提出了四个有待解决的未来研究方向A detailed review over existing graph neural network models is provided, systematically categorize the applications, and four open problems for future research are proposed.
提出 BERTopic,一种通过开发类内 TF-IDF 变体来提取一致性主题表示,从而扩展主题建模流程的主题模型BERTopic is presented, a topic model that extends the process of topic modeling by extracting coherent topic representation through the development of a class-based variation of TF-IDF.
提出一种从校正后的图像对中提取深度信息的方法,使用卷积神经网络在小图像块上学习相似性度量,并针对该任务考察了两种网络架构:一种面向速度优化,另一种面向精度优化This work presents a method for extracting depth information from a rectified image pair by learning a similarity measure on small image patches using a convolutional neural network and examines two network architectures for this task: one tuned for speed, the other for accuracy.
一篇全面综述,旨在深入理解 Few-shot Learning,并从三个维度对 FSL 方法进行分类:数据层面——利用先验知识扩充监督经验;模型层面——利用先验知识缩小假设空间规模;算法层面——利用先验知识改变在给定假设空间中对最优假设的搜索方式A thorough survey to fully understand Few-shot Learning and categorize FSL methods from three perspectives: data, which uses prior knowledge to augment the supervised experience; model, which uses prior knowledge to reduce the size of the hypothesis space; and algorithm, which uses prior knowledge to alter the search for the best hypothesis in the given hypothesis space.
在训练过程中,Random Erasing 在图像中随机选择一个矩形区域并以随机值擦除其像素,在图像分类、目标检测与行人重识别任务中相较于强基线均带来稳定提升In training, Random Erasing randomly selects a rectangle region in an image and erases its pixels with random values and yields consistent improvement over strong baselines in image classification, object detection and person re-identification.
简化了 MoE 路由算法,设计出通信与计算成本更低的直观改进模型,并首次证明大型稀疏模型可以使用更低精度格式进行训练This work simplifies the MoE routing algorithm and design intuitive improved models with reduced communication and computational costs and shows large sparse models may be trained, for the first time, with lower precision formats.
Pointer sentinel-LSTM 模型在 Penn Treebank 上以远少于标准 softmax LSTM 的参数量达到 SOTA 语言建模性能,并开源了 WikiText 语料库The pointer sentinel-LSTM model achieves state of the art language modeling performance on the Penn Treebank while using far fewer parameters than a standard softmax LSTM and the freely available WikiText corpus is introduced.
在视觉问答与视觉定位任务上对多模态紧凑双线性池化(MCB)进行了广泛评测,结果一致表明 MCB 优于去掉 MCB 的消融版本This work extensively evaluates Multimodal Compact Bilinear pooling (MCB) on the visual question answering and grounding tasks and consistently shows the benefit of MCB over ablations without MCB.
DASH (Drift Aware advantage SHaping) 根据每个推理片段是朝向还是偏离正确性来分配片段级 credit,在 overthinking 普遍的场景下取得最高准确率,同时减少 overthinking 行为,比基线实现更高效的自纠错。DASH (Drift Aware advantage SHaping), which assigns segment-level credit based on whether each reasoning segment leads toward or away from correctness, achieves the highest accuracy where overthinking is prevalent while reducing overthinking behaviors and achieving more productive self-correction than baselines.
基于欧盟法院判决构建的大规模法律 IR 数据集,支持法律信息检索方法的开发与严格评估,覆盖多种查询-文档粒度(案例对案例、段落对案例、段落对段落检索)。A large-scale legal IR dataset constructed from Court of Justice of the European Union judgments, which supports both the development and rigorous evaluation of legal IR methods, at multiple query-document levels (case-to-case, paragraph-to-case, and paragraph-to-paragraph retrieval).
提出 CALVER (Causal Axiom-Level VERification),一种无需训练的对称验证器,根据 Pearl 的因果准则(包括 d-分离、backdoor 调整与干预)对结构化 trace 评分,并在不参考标准答案的情况下选择得分最高的候选。This work introduces CALVER (Causal Axiom-Level VERification), a training-free symbolic verifier that scores structured traces against Pearl's causal criteria, including -separation, backdoor adjustment, and intervention, and selects the highest-scoring candidate without consulting a reference answer.
提出 ReflectRL,一个轻量级即插即用框架,在 on-policy 训练中从 Golden Negative Trajectories 中学习:先利用这些 trajectory 引出 Reflective Reasoning,再通过 Reflective-to-Direct Policy Transition 将所学到的推理行为迁移回 Direct Reasoning。ReflectRL is proposed, a lightweight plug-and-play framework that learns from Golden Negative Trajectories during on-policy training, and first uses these trajectories to elicit Reflective Reasoning, then applies Reflective-to-Direct Policy Transition to transfer the acquired reasoning behavior back to Direct Reasoning.
提出 ChronoLens,结合冻结的多语言语言模型、特征对齐的 crosscoder 与事后语言学干预,应用于来自五个议会传统、跨越 1803–2026 年的 4498 万篇文档和约 172 亿 tokens,表明历史语言变化是一个结构化的、多维度的过程。ChronoLens is introduced, a framework that combines frozen multilingual language models, feature-aligned crosscoders, and post-hoc linguistic interventions, and applies it to 44.98 million documents and approximately 17.2 billion tokens from five parliamentary traditions spanning 1803--2026, showing that historical language change is a structured, multidimensional process.
提出 ARCHead,一种紧凑型 LM-head 压缩器,结合量化低秩核心、组级 INT4 残差以及基于激活导出度量拟合的低秩校正,在 block 量化器无法触及的大输出投影上实现互补压缩。ARCHead is presented, a packed LM-head compressor that combines a quantized low-rank core, group-wise INT4 residuals, and a low-rank correction fitted in an activation-derived metric to complements block quantizers by compressing the large output projection they can leave untouched.
提出 RestoreKV,在相同 KV 总预算下以可学习的恢复机制补充基于选择的 KV 压缩方案,显著降低压缩带来的性能损失。RestoreKV is introduced, which complements this selection-based formulation with learned restoration with learned restoration under the same total KV budget, and substantially reduces compression-induced degradation.
K-EXAONE 2.0 在 K-EXAONE 基础上进一步提升,并保持与开源权重模型的竞争力,其最大提升体现在 agentic coding 与长上下文理解上,在长上下文检索与安全性方面优势最为明显。K-EXAONE 2.0 improves over K-EXAONE and remains competitive with open-weight models, showing its largest gains in agentic coding and long-context understanding and its clearest strengths in long-context retrieval and safety.
研究表明在希腊语专业语料上,无参数 BM25 基线优于多个现成的多语言稠密检索模型,并推出首个大规模希腊语 RAG 基准 HERA,同时发布适配模型与基准以支撑未来希腊语 RAG 系统研究。This study shows that a parameter-free BM25 baseline outperforms several off-the-shelf multilingual dense retrieval models on specialist Greek corpora and introduces HERA, the first large-scale Greek benchmark for retrieval-augmented generation, and releases adapted models and benchmark to support future research on Greek-language RAG systems.
提出 MultiPathFormer,一种自回归基础模型,将每条发射端–接收端链路表示为连续值路径 token 的有序序列,并通过下一路径预测进行预训练,证明路径级预训练可学习无线传播的可复用表征。MultiPathFormer, an autoregressive foundation model that represents each transmitter-receiver link as an ordered sequence of continuous-valued path tokens and pretrains with next-path prediction, is presented, showing that path-level pretraining can learn reusable representations of wireless propagation.
提出 WorldCycle,一种自验证 RL 框架,从普通动作序列中构建闭合动作循环及其重复执行,并优化两个互补奖励:空间闭合奖励(强制镜像的前向与反向片段之间的对称性)以及时间一致性奖励(对齐多次循环执行间的状态)。WorldCycle is introduced, a self-verifiable RL framework that constructs closed action cycles and their repeated executions from ordinary action sequences, and optimizes two complementary rewards: a spatial closure reward enforcing symmetry between mirrored forward and reverse segments, and a temporal consistency reward aligning states across repeated cycle executions.
在 BridgeVLA 基础上开发 BridgeVLA++,引入统一的时空记忆架构,建模持久化的空间上下文与时间交互历史,使其可在保留 BridgeVLA 数据效率与泛化能力的同时对观测历史进行推理。BridgeVLA++ is developed by equipping BridgeVLA with a unified spatio-temporal memory architecture that models persistent spatial context and temporal interaction history that can reason over observation histories while preserving BridgeVLA's data efficiency and generalization capabilities.
实验表明,在 Ego2Robot 合成数据与机器人数据上的联合预训练在多种扰动类型上一致提升分布外泛化能力,并在真实机器人部署中得到验证。Experiments show that joint pretraining on Ego2Robot-synthesized and robot data consistently improves out-of-distribution generalization across multiple perturbation types, with benefits validated on real-robot deployment.
提出 RSTG(Recovering Learning Signals via Adaptive Teacher Guidance),在最关键的位置选择性地、精确地施加蒸馏,显著优于朴素的 GRPO+OPD。RSTG (Recovering Learning Signals via Adaptive Teacher Guidance), which applies distillation selectively and precisely where it matters most, and substantially outperforms naive GRPO+OPD.
提出 AVE-Agent,一种模块化 agent 框架,将复杂指令分解为相互依赖的子任务,并通过自我反思与评估器反馈迭代改进编辑结果,在联合编辑中提升指令执行、保真度保持以及音视频对齐,同时保持有竞争力的感知质量。AVE-Agent is proposed, a modular agent framework that decomposes complex instructions into dependent subtasks and iteratively improves editing results through self-reflection and evaluator feedback, and improves instruction execution, Fidelity Preserving, and audio-visual alignment in joint editing while maintaining competitive perceptual quality.
提出 Answer-Backtracked Credit Assignment(ABC),一种面向长程搜索 agent 训练的细粒度信用分配框架,将稀疏的轨迹级结果转换为稠密的步骤级监督,对有用动作(即使在失败轨迹中)给予奖励,同时抑制错误或冗余动作。Answer-Backtracked Credit Assignment (ABC) is proposed, a fine-grained credit assignment framework for training long-horizon search agents by converting sparse trajectory-level outcomes into dense step-level supervision that rewards useful actions (even in failed trajectories) while suppressing erroneous or redundant actions.
提出 FocusMem,在紧凑的潜空间记忆接口中分离情景记忆与工作记忆,一致优于完全匹配的动作-only 固定记忆基线以及先前的潜空间记忆适配方法。FocusMem is introduced, which separates episodic memory and working memory within a compact latent-memory interface and consistently outperforms a fully matched action-only fixed-memory baseline and prior latent memory adaptations.
开发 PIMiner,一种用于 prompt injection 红队的 agentic 系统,可在训练阶段从零构建策略库,并在测试时无需额外训练直接迁移到未见过的目标 LLM。PIMiner is developed, an agentic system for prompt injection red-teaming that builds a strategy library from scratch during training and can be directly transferred to a previously unseen target LLM without additional training at test time.
提出 CoCoEvolve,通过定义显式的一一对应关系,并利用表征间的一致性优化模型,在无需额外标注的前提下提升图表、表格与代码表征之间的跨模态一致性。This work introduces CoCoEvolve, a method to improve consistency across chart, table, and code representations by defining explicit one-to-one correspondences and optimizing models using agreement between representations, without additional annotations.
提出 GDPevo,一种基于 GDP 相关企业工作流的 evolution-native 基准,并配套完全自动化的数据生成流水线;表现最佳的进化 agent 仍远低于全信息 oracle 上限,表明当前 agent 的自进化能力远未充分实现。GDPevo is presented, an evolution-native benchmark grounded in GDP-related enterprise workflows, together with the fully automated data pipeline that generates it, and the best evolved agents remain far below the fully informed oracle ceiling, indicating that the self-evolution ability of current agents remains far from fully realized.
提出 DRIFT(Denoising Redirection via Input perturbation of the Flow-matching Trajectory),一种测试期通用对抗补丁,贴在机器人夹爪上,针对现成策略的去噪速度场进行攻击。This work introduces DRIFT (Denoising Redirection via Input perturbation of the Flow-matching Trajectory), a test-time universal adversarial patch placed on the robot's gripper that attacks the denoising velocity field of an off-the-shelf policy.
文章论证了 Transformers 可作为医学图像分割任务的强大编码器,并通过与 U-Net 结合,恢复了局部空间信息以增强更精细的细节。It is argued that Transformers can serve as strong encoders for medical image segmentation tasks, with the combination of U-Net to enhance finer details by recovering localized spatial information.
文章提出了 SegFormer,一个简单高效且强大的语义分割框架,将 Transformers 与轻量级 MLP 解码器统一,并在 Cityscapes-C 上展示了出色的零样本鲁棒性。SegFormer is presented, a simple, efficient yet powerful semantic segmentation framework which unifies Transformers with lightweight multilayer perception (MLP) decoders and shows excellent zero-shot robustness on Cityscapes-C.
分析表明,VisualBERT 能够在无任何显式监督的情况下将语言元素对应到图像区域,甚至对句法关系敏感,例如能够跟踪动词与其论元对应图像区域之间的关联。Analysis demonstrates that VisualBERT can ground elements of language to image regions without any explicit supervision and is even sensitive to syntactic relationships, tracking, for example, associations between verbs and image regions corresponding to their arguments.
文章介绍了一种自监督视觉表征模型 BEiT(Bidirectional Encoder representation from Image Transformers),在图像分类和语义分割上的结果表明,该模型取得了与先前预训练方法相当的竞争性结果。A self-supervised vision representation model BEiT, which stands for Bidirectional Encoder representation from Image Transformers, is introduced, and results on image classification and semantic segmentation show that the model achieves competitive results with previous pre-training methods.