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With the rapid progress of speech language models (SLMs), discrete speech tokens have emerged as a core interface between speech and text, enabling unified modeling across modalities. Recent speech tokenization approaches aim to isolate…

Computation and Language · Computer Science 2025-06-23 Daejin Jo , Jeeyoung Yun , Byungseok Roh , Sungwoong Kim

Semantic channel equalization has emerged as a solution to address language mismatch in multi-user semantic communications. This approach aims to align the latent spaces of an encoder and a decoder which were not jointly trained and it…

Machine Learning · Computer Science 2024-06-05 Tomás Hüttebräucker , Mohamed Sana , Emilio Calvanese Strinati

Since the wide employment of deep learning frameworks in video salient object detection, the accuracy of the recent approaches has made stunning progress. These approaches mainly adopt the sequential modules, based on optical flow or…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Yi Tang , Yuanman Li , Wenbin Zou

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Avilasha Mandal , Chaoning Zhang , Fachrina Dewi Puspitasari , Xudong Wang , Jiaquan Zhang , Caiyan Qin , Guoqing Wang , Yang Yang , Heng Tao Shen

While most modern video understanding models operate on short-range clips, real-world videos are often several minutes long with semantically consistent segments of variable length. A common approach to process long videos is applying a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Mohamed Afham , Satya Narayan Shukla , Omid Poursaeed , Pengchuan Zhang , Ashish Shah , Sernam Lim

This paper presents a new unified approach to semantic segmentation in both images and videos by using language modeling to output the masks as sequences of discrete tokens. We use run length encoding (RLE) to discretize the segmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Abhineet Singh , Justin Rozeboom , Nilanjan Ray

Semantic Scene Completion (SSC) constitutes a pivotal element in autonomous driving perception systems, tasked with inferring the 3D semantic occupancy of a scene from sensory data. To improve accuracy, prior research has implemented…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Ruoyu Wang , Yukai Ma , Yi Yao , Sheng Tao , Haoang Li , Zongzhi Zhu , Yong Liu , Xingxing Zuo

Existing multi-object tracking algorithms typically fail to adequately address the issues in low-quality videos, resulting in a significant decline in tracking performance when image quality deteriorates in real-world scenarios. This…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Jun Du

Tracking and segmenting multiple similar objects with distinct or complex parts in long-term videos is particularly challenging due to the ambiguity in identifying target components and the confusion caused by occlusion, background clutter,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xin Li , Deshui Miao , Zhenyu He , Yaowei Wang , Huchuan Lu , Ming-Hsuan Yang

With the revolution of generative AI, video-related tasks have been widely studied. However, current state-of-the-art video models still lag behind image models in visual quality and user control over generated content. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Haiming Zhu , Yangyang Xu , Jun Yu , Shengfeng He

Video-Language Models (VLMs), powered by the advancements in Large Language Models (LLMs), are charting new frontiers in video understanding. A pivotal challenge is the development of an efficient method to encapsulate video content into a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Jiaqi Xu , Cuiling Lan , Wenxuan Xie , Xuejin Chen , Yan Lu

In this paper, we propose a quality enhancement network of versatile video coding (VVC) compressed videos by jointly exploiting spatial details and temporal structure (SDTS). The proposed network consists of a temporal structure fusion…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Xiandong Meng , Xuan Deng , Shuyuan Zhu , Bing Zeng

Weakly-Supervised Semantic Segmentation (WSSS) using image-level labels typically utilizes Class Activation Map (CAM) to generate the pseudo labels. Limited by the local structure perception of CNN, CAM usually cannot identify the integral…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Lixiang Ru , Heliang Zheng , Yibing Zhan , Bo Du

In most video platforms, such as Youtube, and TikTok, the played videos usually have undergone multiple video encodings such as hardware encoding by recording devices, software encoding by video editing apps, and single/multiple video…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Li Xu , Gang He , Jinjia Zhou , Jie Lei , Weiying Xie , Yunsong Li , Yu-Wing Tai

Autoregressive (AR) video generative models rely on video tokenizers that compress pixels into discrete token sequences. The length of these token sequences is crucial for balancing reconstruction quality against downstream generation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Tianwei Xiong , Jun Hao Liew , Zilong Huang , Zhijie Lin , Jiashi Feng , Xihui Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Zhijian Liu , Simon Stent , Jie Li , John Gideon , Song Han

With the continuous increase in the number and resolution of video surveillance cameras, the burden of transmitting and storing surveillance video is growing. Traditional communication methods based on Shannon's theory are facing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Baoping Cheng , Yukun Zhang , Liming Wang , Xiaoyan Xie , Tao Fu , Dongkun Wang , Xiaoming Tao

Deep joint source-channel coding (DeepJSCC) has shown promise in wireless transmission of text, speech, and images within the realm of semantic communication. However, wireless video transmission presents greater challenges due to the…

Image and Video Processing · Electrical Eng. & Systems 2024-11-18 Xinyi Zhou , Danlan Huang , Zhixin Qi , Liang Zhang , Ting Jiang

Recently, discrete latent variable models have received a surge of interest in both Natural Language Processing (NLP) and Computer Vision (CV), attributed to their comparable performance to the continuous counterparts in representation…

Computation and Language · Computer Science 2022-11-08 Erxin Yu , Lan Du , Yuan Jin , Zhepei Wei , Yi Chang

We propose a new task and model for dense video object captioning -- detecting, tracking and captioning trajectories of objects in a video. This task unifies spatial and temporal localization in video, whilst also requiring fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Xingyi Zhou , Anurag Arnab , Chen Sun , Cordelia Schmid