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Advances in Multimodal Large Language Models (MLLMs) are transforming video captioning from a descriptive endpoint into a semantic interface for both video understanding and generation. However, the dominant paradigm still casts videos as…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Tencent Hunyuan Team

We present a lightweight post-processing method to refine the semantic segmentation results of point cloud sequences. Most existing methods usually segment frame by frame and encounter the inherent ambiguity of the problem: based on a…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Yutaka Momma , Weimin Wang , Edgar Simo-Serra , Satoshi Iizuka , Ryosuke Nakamura , Hiroshi Ishikawa

Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu

Data association is important in the point cloud registration. In this work, we propose to solve the partial-to-partial registration from a new perspective, by introducing multi-level feature interactions between the source and the…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Hao Xu , Nianjin Ye , Guanghui Liu , Bing Zeng , Shuaicheng Liu

The unified streaming and non-streaming two-pass (U2) end-to-end model for speech recognition has shown great performance in terms of streaming capability, accuracy, real-time factor (RTF), and latency. In this paper, we present U2++, an…

声音 · 计算机科学 2022-01-03 Di Wu , Binbin Zhang , Chao Yang , Zhendong Peng , Wenjing Xia , Xiaoyu Chen , Xin Lei

This study investigates a hybrid method for text classification that integrates deep feature extraction from large language models, multi-scale fusion through feature pyramids, and structured modeling with graph neural networks to enhance…

计算与语言 · 计算机科学 2025-11-11 Xiangchen Song , Yulin Huang , Jinxu Guo , Yuchen Liu , Yaxuan Luan

Self-supervised vision-language pretraining from pure images and text with a contrastive loss is effective, but ignores fine-grained alignment due to a dual-stream architecture that aligns image and text representations only on a global…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Zaid Khan , Vijay Kumar BG , Xiang Yu , Samuel Schulter , Manmohan Chandraker , Yun Fu

We study multi-sensor fusion for 3D semantic segmentation that is important to scene understanding for many applications, such as autonomous driving and robotics. Existing fusion-based methods, however, may not achieve promising performance…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Mingkui Tan , Zhuangwei Zhuang , Sitao Chen , Rong Li , Kui Jia , Qicheng Wang , Yuanqing Li

Recent advancements in video restoration have focused on recovering high-quality video frames from low-quality inputs. Compared with static images, the performance of video restoration significantly depends on efficient exploitation of…

Federated learning (FL) is a promising paradigm to enable collaborative model training with decentralized data. However, the training process of Large Language Models (LLMs) generally incurs the update of significant parameters, which…

机器学习 · 计算机科学 2024-02-13 Tianshi Che , Ji Liu , Yang Zhou , Jiaxiang Ren , Jiwen Zhou , Victor S. Sheng , Huaiyu Dai , Dejing Dou

Speech enhancement is a demanding task in automated speech processing pipelines, focusing on separating clean speech from noisy channels. Transformer based models have recently bested RNN and CNN models in speech enhancement, however at the…

声音 · 计算机科学 2023-08-07 Jinyu Long , Jetic Gū , Binhao Bai , Zhibo Yang , Ping Wei , Junli Li

Aerial Image Segmentation is a particular semantic segmentation problem and has several challenging characteristics that general semantic segmentation does not have. There are two critical issues: The one is an extremely…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Xiangtai Li , Hao He , Xia Li , Duo Li , Guangliang Cheng , Jianping Shi , Lubin Weng , Yunhai Tong , Zhouchen Lin

Research in semantic communication has garnered considerable attention, particularly in the area of image transmission, where joint source-channel coding (JSCC)-based neural network (NN) modules are frequently employed. However, these…

信号处理 · 电气工程与系统科学 2025-08-05 Yoon Huh , Bumjun Kim , Wan Choi

In Machine Translation, Large Language Models (LLMs) have generally underperformed compared to conventional encoder-decoder systems and thus see limited adoption. However, LLMs excel at modeling contextual information, making them a natural…

计算与语言 · 计算机科学 2026-03-24 Ireh Kim , Tesia Sker , Chanwoo Kim

Personalized federated learning (PFL) has garnered significant attention for its ability to address heterogeneous client data distributions while preserving data privacy. However, when local client data is limited, deep learning models…

分布式、并行与集群计算 · 计算机科学 2025-04-24 Ying Chang , Xiaohu Shi , Xiaohui Zhao , Zhaohuang Chen , Deyin Ma

As camera and LiDAR sensors capture complementary information used in autonomous driving, great efforts have been made to develop semantic segmentation algorithms through multi-modality data fusion. However, fusion-based approaches require…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Xu Yan , Jiantao Gao , Chaoda Zheng , Chao Zheng , Ruimao Zhang , Shenghui Cui , Zhen Li

Flow matching models (FMs) have revolutionized text-to-image (T2I) generation, with reinforcement learning (RL) serving as a critical post-training strategy for alignment with reward objectives. In this research, we show that current RL…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Fu-Yun Wang , Han Zhang , Michael Gharbi , Hongsheng Li , Taesung Park

There is a key problem in the medical visual question answering task that how to effectively realize the feature fusion of language and medical images with limited datasets. In order to better utilize multi-scale information of medical…

计算机视觉与模式识别 · 计算机科学 2022-11-14 Shanshan Song , Jiangyun Li , Jing Wang , Yuanxiu Cai , Wenkai Dong

Semantic change detection is an important task in geoscience and earth observation. By producing a semantic change map for each temporal phase, both the land use land cover categories and change information can be interpreted. Recently some…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Chenyao Zhou , Haotian Zhang , Han Guo , Zhengxia Zou , Zhenwei Shi

Generative models are capable to address difficult problems with non-unique solutions like bandwidth extension and gap filling, removing highly non-linear artifacts from codecs, clipping and distortion, as opposed to removing linear…

音频与语音处理 · 电气工程与系统科学 2026-05-18 Sebastian Braun