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Segment Anything Model 2 (SAM2), a vision foundation model has significantly advanced in prompt-driven video object segmentation, yet their practical deployment remains limited by the high computational and memory cost of processing dense…

计算机视觉与模式识别 · 计算机科学 2025-12-25 Avilasha Mandal , Chaoning Zhang , Fachrina Dewi Puspitasari , Xudong Wang , Jiaquan Zhang , Caiyan Qin , Guoqing Wang , Yang Yang , Heng Tao Shen

Generative modeling of high-frequency limit order book (LOB) dynamics is a critical yet unsolved challenge in quantitative finance, essential for robust market simulation and strategy backtesting. Existing approaches are often constrained…

计算金融 · 定量金融 2025-08-08 Yang Li , Zhi Chen

Discrete image tokenizers have emerged as a key component of modern vision and multimodal systems, providing a sequential interface for transformer-based architectures. However, most existing approaches remain primarily optimized for…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Aram Davtyan , Yusuf Sahin , Yasaman Haghighi , Sebastian Stapf , Pablo Acuaviva , Alexandre Alahi , Paolo Favaro

Ranking models have become an important part of modern personalized recommendation systems. However, significant challenges persist in handling high-cardinality, heterogeneous, and sparse feature spaces, particularly regarding model…

信息检索 · 计算机科学 2025-11-25 Yi Xu , Chaofan Fan , Jinxin Hu , Yu Zhang , Zeng Xiaoyi , Jing Zhang

Classic pipeline models for task-oriented dialogue system require explicit modeling the dialogue states and hand-crafted action spaces to query a domain-specific knowledge base. Conversely, sequence-to-sequence models learn to map dialogue…

计算与语言 · 计算机科学 2018-06-13 Haoyang Wen , Yijia Liu , Wanxiang Che , Libo Qin , Ting Liu

We present Flex, an efficient and effective scene encoder that addresses the computational bottleneck of processing high-volume multi-camera data in end-to-end autonomous driving. Flex employs a small set of learnable scene tokens to…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Jiawei Yang , Ziyu Chen , Yurong You , Yan Wang , Yiming Li , Yuxiao Chen , Boyi Li , Boris Ivanovic , Marco Pavone , Yue Wang

Many objects in the real world undergo dramatic variations in visual appearance. For example, a tomato may be red or green, sliced or chopped, fresh or fried, liquid or solid. Training a single detector to accurately recognize tomatoes in…

计算机视觉与模式识别 · 计算机科学 2020-11-02 Gedas Bertasius , Lorenzo Torresani

While conventional methods for sequential learning focus on interaction between consecutive inputs, we suggest a new method which captures composite semantic flows with variable-length dependencies. In addition, the semantic structures…

机器学习 · 计算机科学 2019-01-29 Kyoung-Woon On , Eun-Sol Kim , Yu-Jung Heo , Byoung-Tak Zhang

This paper presents a reinforcement learning approach to synthesizing task-driven control policies for robotic systems equipped with rich sensory modalities (e.g., vision or depth). Standard reinforcement learning algorithms typically…

机器学习 · 计算机科学 2020-02-05 Vincent Pacelli , Anirudha Majumdar

This work addresses on the following problem: given a set of unsynchronized history observations of two scenes that are correlative on their dynamic changes, the purpose is to learn a cross-scene predictor, so that with the observation of…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Shaochi Hu , Donghao Xu , Huijing Zhao

Interpreting and explaining the behavior of deep neural networks is critical for many tasks. Explainable AI provides a way to address this challenge, mostly by providing per-pixel relevance to the decision. Yet, interpreting such…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Bowen Wang , Liangzhi Li , Yuta Nakashima , Hajime Nagahara

Computer vision tasks such as object detection and semantic/instance segmentation rely on the painstaking annotation of large training datasets. In this paper, we propose LocTex that takes advantage of the low-cost localized textual…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Zhijian Liu , Simon Stent , Jie Li , John Gideon , Song Han

Visual effects (VFX) production often struggles with slow, resource-intensive mask generation. This paper presents an automated video segmentation pipeline that creates temporally consistent instance masks. It employs machine learning for:…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Johannes Merz , Lucien Fostier

Point tracking in videos is a fundamental task with applications in robotics, video editing, and more. While many vision tasks benefit from pre-trained feature backbones to improve generalizability, point tracking has primarily relied on…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Inès Hyeonsu Kim , Seokju Cho , Jiahui Huang , Jung Yi , Joon-Young Lee , Seungryong Kim

Vision-Language Navigation (VLN) enables robots to follow natural-language instructions in visually grounded environments, serving as a key capability for embodied robotic systems. Recent Vision-Language-Action (VLA) models have…

机器人学 · 计算机科学 2026-03-09 Qitong Wang , Yijun Liang , Ming Li , Tianyi Zhou , Christopher Rasmussen

A key challenge in continuous sign language recognition (CSLR) is to efficiently capture long-range spatial interactions over time from the video input. To address this challenge, we propose TCNet, a hybrid network that effectively models…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Hui Lu , Albert Ali Salah , Ronald Poppe

Token pruning has emerged as a mainstream approach for developing efficient Video Large Language Models (Video LLMs). This work revisits and advances the two predominant token-pruning paradigms: attention-based selection and…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Shukang Yin , Sirui Zhao , Hanchao Wang , Baozhi Jia , Xianquan Wang , Chaoyou Fu , Enhong Chen

Identifying and understanding dynamic concepts in co-evolving sequences is crucial for analyzing complex systems such as IoT applications, financial markets, and online activity logs. These concepts provide valuable insights into the…

机器学习 · 计算机科学 2024-09-24 Kunpeng Xu , Lifei Chen , Shengrui Wang

VQ-based image generation typically follows a two-stage pipeline: a tokenizer encodes images into discrete tokens, and a generative model learns their dependencies for reconstruction. However, improved tokenization in the first stage does…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Bin Wu , Mengqi Huang , Weinan Jia , Zhendong Mao

The cornerstone of cognitive intelligence lies in extracting hidden patterns from observations and leveraging these principles to systematically predict future outcomes. However, current image tokenization methods demonstrate significant…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Junyeob Baek , Hosung Lee , Christopher Hoang , Mengye Ren , Sungjin Ahn