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Despite the notable advancements in numerous Transformer-based models, the task of long multi-horizon time series forecasting remains a persistent challenge, especially towards explainability. Focusing on commonly used saliency maps in…

机器学习 · 计算机科学 2023-09-18 Nghia Duong-Trung , Duc-Manh Nguyen , Danh Le-Phuoc

Self-supervised methods have shown remarkable progress in learning high-level semantics and low-level temporal correspondence. Building on these results, we take one step further and explore the possibility of integrating these two features…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Rui Qian , Shuangrui Ding , Xian Liu , Dahua Lin

Multivariate time series forecasting enables the prediction of future states by leveraging historical data, thereby facilitating decision-making processes. Each data node in a multivariate time series encompasses a sequence of multiple…

机器学习 · 计算机科学 2025-05-02 Xinlong Zhao , Liying Zhang , Tianbo Zou , Yan Zhang

Video semantic segmentation requires to utilize the complex temporal relations between frames of the video sequence. Previous works usually exploit accurate optical flow to leverage the temporal relations, which suffer much from heavy…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Hao Wang , Weining Wang , Jing Liu

Recent advances in text-to-video diffusion models have enabled high-quality video synthesis, but controllable generation remains challenging, particularly under limited data and compute. Existing fine-tuning methods for conditional…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Kinam Kim , Junha Hyung , Jaegul Choo

Effective spatiotemporal feature representation is crucial to the video-based action recognition task. Focusing on discriminate spatiotemporal feature learning, we propose Information Fused Temporal Transformation Network (IF-TTN) for…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Ke Yang , Peng Qiao , Dongsheng Li , Yong Dou

Self-supervised approaches for video have shown impressive results in video understanding tasks. However, unlike early works that leverage temporal self-supervision, current state-of-the-art methods primarily rely on tasks from the image…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Ishan Rajendrakumar Dave , Simon Jenni , Mubarak Shah

Text-to-Motion (T2M) generation aims to synthesize realistic human motion sequences from natural language descriptions. While two-stage frameworks leveraging discrete motion representations have advanced T2M research, they often neglect…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Hongsong Wang , Wenjing Yan , Qiuxia Lai , Xin Geng

For recent diffusion-based generative models, maintaining consistent content across a series of generated images, especially those containing subjects and complex details, presents a significant challenge. In this paper, we propose a new…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Yupeng Zhou , Daquan Zhou , Ming-Ming Cheng , Jiashi Feng , Qibin Hou

While Test-Time Scaling (TTS) offers a promising direction to enhance video generation without the surging costs of training, current test-time video generation methods based on diffusion models suffer from exorbitant candidate exploration…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Yijing Tu , Shaojin Wu , Mengqi Huang , Wenchuan Wang , Yuxin Wang , Chunxiao Liu , Zhendong Mao

Multimodal Large Language Models (MLLMs) have shown strong performance in video understanding tasks. However, they continue to struggle with long-form videos because of an inefficient perception of temporal intervals. Unlike humans, who can…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Chenglin Li , Qianglong Chen , fengtao , Yin Zhang

Temporal awareness is essential for video large language models (LLMs) to understand and reason about events within long videos, enabling applications like dense video captioning and temporal video grounding in a unified system. However,…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Andong Deng , Zhongpai Gao , Anwesa Choudhuri , Benjamin Planche , Meng Zheng , Bin Wang , Terrence Chen , Chen Chen , Ziyan Wu

Synchronizing videos captured simultaneously from multiple cameras in the same scene is often easy and typically requires only simple time shifts. However, synchronizing videos from different scenes or, more recently, generative AI videos,…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Avihai Naaman , Ron Shapira Weber , Oren Freifeld

Our objective in this work is fine-grained classification of actions in untrimmed videos, where the actions may be temporally extended or may span only a few frames of the video. We cast this into a query-response mechanism, where each…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Chuhan Zhang , Ankush Gupta , Andrew Zisserman

The increasing accessibility and precision of Earth observation satellite data offers considerable opportunities for industrial and state actors alike. This calls however for efficient methods able to process time-series on a global scale.…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Vivien Sainte Fare Garnot , Loic Landrieu

The aim of multi-agent reinforcement learning systems is to provide interacting agents with the ability to collaboratively learn and adapt to the behavior of other agents. In many real-world applications, the agents can only acquire a…

人工智能 · 计算机科学 2019-10-10 Mingyang Geng , Kele Xu , Yiying Li , Shuqi Liu , Bo Ding , Huaimin Wang

On account of growing demands for personalization, the need for a so-called few-shot TTS system that clones speakers with only a few data is emerging. To address this issue, we propose Attentron, a few-shot TTS model that clones voices of…

音频与语音处理 · 电气工程与系统科学 2020-08-13 Seungwoo Choi , Seungju Han , Dongyoung Kim , Sungjoo Ha

Temporal action detection (TAD) is an important yet challenging task in video analysis. Most existing works draw inspiration from image object detection and tend to reformulate it as a proposal generation - classification problem. However,…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Chen Zhao , Merey Ramazanova , Mengmeng Xu , Bernard Ghanem

Sora-like video generation models have achieved remarkable progress with a Multi-Modal Diffusion Transformer MM-DiT architecture. However, the current video generation models predominantly focus on single-prompt, struggling to generate…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Minghong Cai , Xiaodong Cun , Xiaoyu Li , Wenze Liu , Zhaoyang Zhang , Yong Zhang , Ying Shan , Xiangyu Yue

In this paper, we introduce the concept of learning latent super-events from activity videos, and present how it benefits activity detection in continuous videos. We define a super-event as a set of multiple events occurring together in…

计算机视觉与模式识别 · 计算机科学 2018-03-30 AJ Piergiovanni , Michael S. Ryoo