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Person re-identification (reID) aims to match person images to retrieve the ones with the same identity. This is a challenging task, as the images to be matched are generally semantically misaligned due to the diversity of human poses and…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Xin Jin , Cuiling Lan , Wenjun Zeng , Guoqiang Wei , Zhibo Chen

Strategic recommendations (SR) refer to the problem where an intelligent agent observes the sequential behaviors and activities of users and decides when and how to interact with them to optimize some long-term objectives, both for the user…

Machine Learning · Computer Science 2020-09-17 Georgios Theocharous , Yash Chandak , Philip S. Thomas , Frits de Nijs

We introduce 3D-SIS, a novel neural network architecture for 3D semantic instance segmentation in commodity RGB-D scans. The core idea of our method is to jointly learn from both geometric and color signal, thus enabling accurate instance…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ji Hou , Angela Dai , Matthias Nießner

Modeling ultra-long user sequences involves a difficult trade-off between efficiency and effectiveness. While current paradigms rely on either item-specific search or item-agnostic compression, we propose UxSID, a framework exploring a…

Artificial Intelligence · Computer Science 2026-05-19 Hongwei Zhang , Qiqiang Zhong , Jiangxia Cao , Yiyang Lv , Huanjie Wang , Liwei Guan , Jing Yao , Yiyu Wang , Junfeng Shu , Zhaojie Liu , Han Li

Generative Recommendation (GR) has emerged as a transformative paradigm that reformulates the traditional cascade ranking system into a sequence-to-item generation task, facilitated by the use of discrete Semantic IDs (SIDs). However,…

Information Retrieval · Computer Science 2026-02-25 Zesheng Wang , Longfei Xu , Weidong Deng , Huimin Yan , Kaikui Liu , Xiangxiang Chu

Neural personalized recommendation models are used across a wide variety of datacenter applications including search, social media, and entertainment. State-of-the-art models comprise large embedding tables that have billions of parameters…

Hardware Architecture · Computer Science 2021-02-02 Mark Wilkening , Udit Gupta , Samuel Hsia , Caroline Trippel , Carole-Jean Wu , David Brooks , Gu-Yeon Wei

Sequential recommender systems (SRS) could capture dynamic user preferences by modeling historical behaviors ordered in time. Despite effectiveness, focusing only on the \textit{collaborative signals} from behaviors does not fully grasp…

Information Retrieval · Computer Science 2024-09-20 Mingyue Cheng , Hao Zhang , Qi Liu , Fajie Yuan , Zhi Li , Zhenya Huang , Enhong Chen , Jun Zhou , Longfei Li

Due the success of emerging Web 2.0, and different social network Web sites such as Amazon and movie lens, recommender systems are creating unprecedented opportunities to help people browsing the web when looking for relevant information,…

Social and Information Networks · Computer Science 2015-07-21 Khaled Sellami , Mohamed Ahmed-Nacer , Pierre Tiako

In cold-start scenarios, the scarcity of collaborative signals for new items exacerbates the Matthew effect, which undermines platform diversity and remains a persistent challenge in real-world recommender systems. Existing methods…

Information Retrieval · Computer Science 2026-03-25 Hai Zhu , Yantao Yu , Lei Shen , Bing Wang , Xiaoyi Zeng

Generative recommendation systems have achieved significant advances by leveraging semantic IDs to represent items. However, existing approaches that tokenize each modality independently face two critical limitations: (1) redundancy across…

Information Retrieval · Computer Science 2026-01-14 Haven Kim , Yupeng Hou , Julian McAuley

In text-to-image personalization, a timely and crucial challenge is the tendency of generated images overfitting to the biases present in the reference images. We initiate our study with a comprehensive categorization of the biases into…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jimyeong Kim , Jungwon Park , Wonjong Rhee

Cloth-changing person re-identification (CC-ReID) aims to match individuals across surveillance cameras despite variations in clothing. Existing methods typically mitigate the impact of clothing changes or enhance identity (ID)-relevant…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xiyu Han , Xian Zhong , Wenxin Huang , Xuemei Jia , Xiaohan Yu , Alex Chichung Kot

With the help of powerful generative models, Semantic Image Compression (SIC) has achieved impressive performance at ultra-low bitrate. However, due to coarse-grained visual-semantic alignment and inherent randomness, the reliability of SIC…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Chenhao Wu , Qingbo Wu , Haoran Wei , Shuai Chen , Mingzhou He , King Ngi Ngan , Fanman Meng , Hongliang Li

There is a growing interest in utilizing large-scale language models (LLMs) to advance next-generation Recommender Systems (RecSys), driven by their outstanding language understanding and in-context learning capabilities. In this scenario,…

Information Retrieval · Computer Science 2025-08-18 Haohao Qu , Wenqi Fan , Zihuai Zhao , Qing Li

Recommender systems (RS) are widely used in e-commerce for personalized suggestions, yet their openness makes them susceptible to shilling attacks, where adversaries inject fake behaviors to manipulate recommendations. Most existing…

Computation and Language · Computer Science 2025-09-30 Kaihong Li , Huichi Zhou , Bin Ma , Fangjun Huang

Sequential recommendation techniques provide users with product recommendations fitting their current preferences by handling dynamic user preferences over time. Previous studies have focused on modeling sequential dynamics without much…

Information Retrieval · Computer Science 2021-05-25 Seongwon Jang , Hoyeop Lee , Hyunsouk Cho , Sehee Chung

The development of powerful user representations is a key factor in the success of recommender systems (RecSys). Online platforms employ a range of RecSys techniques to personalize user experience across diverse in-app surfaces. User…

Live-streaming, as an emerging media enabling real-time interaction between authors and users, has attracted significant attention. Unlike the stable playback time of traditional TV live or the fixed content of short video, live-streaming,…

Information Retrieval · Computer Science 2025-12-09 Jiangxia Cao , Ruochen Yang , Xiang Chen , Changxin Lao , Yueyang Liu , Yusheng Huang , Yuanhao Tian , Xiangyu Wu , Shuang Yang , Zhaojie Liu , Guorui Zhou

Intrinsic Image Decomposition (IID) is a challenging and interesting computer vision problem with various applications in several fields. We present novel semantic priors and an integrated approach for single image IID that involves…

Computer Vision and Pattern Recognition · Computer Science 2019-06-07 Saurabh Saini , P. J. Narayanan

Humans have remarkable selective sensitivity to identities -- easily distinguishing between highly similar identities, even across significantly different contexts such as diverse viewpoints or lighting. Vision models have struggled to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Julia Chae , Nicholas Kolkin , Jui-Hsien Wang , Richard Zhang , Sara Beery , Cusuh Ham