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In semantic segmentation, generalizing a visual system to both seen categories and novel categories at inference time has always been practically valuable yet challenging. To enable such functionality, existing methods mainly rely on either…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Yuhuan Yang , Chaofan Ma , Chen Ju , Fei Zhang , Jiangchao Yao , Ya Zhang , Yanfeng Wang

We introduce a multi-scale Image Super Resolution (ISR) method building on recent advances in Visual Auto-Regressive (VAR) modeling. VAR models break image tokenization into additive, gradually increasing scales, using Residual Quantization…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Isma Hadji , Enrique Sanchez , Adrian Bulat , Brais Martinez , Georgios Tzimiropoulos

In order to learn quickly with few samples, meta-learning utilizes prior knowledge learned from previous tasks. However, a critical challenge in meta-learning is task uncertainty and heterogeneity, which can not be handled via globally…

Machine Learning · Computer Science 2019-11-19 Huaxiu Yao , Ying Wei , Junzhou Huang , Zhenhui Li

Multimodal recommendation enhances accuracy by leveraging visual and textual signals, and its success largely depends on learning high-quality cross-modal representations. Recent advances in Large Vision-Language Models (LVLMs) offer…

Information Retrieval · Computer Science 2026-04-28 Zhongtao Rao , Peilin Zhou , Dading Chong , Zhiwei Chen , Shoujin Wang , Nan Tang

Since the introduction of the Transformer architecture for large language models, the softmax-based attention layer has faced increasing scrutinity due to its quadratic-time computational complexity. Attempts have been made to replace it…

Machine Learning · Computer Science 2026-02-02 Robert Forchheimer

Sequential recommendation aims to identify and recommend the next few items for a user that the user is most likely to purchase/review, given the user's purchase/rating trajectories. It becomes an effective tool to help users select…

Information Retrieval · Computer Science 2021-01-05 Bo Peng , Zhiyun Ren , Srinivasan Parthasarathy , Xia Ning

Recent studies on scaling up ranking models have achieved substantial improvement for recommendation systems and search engines. However, most large-scale ranking systems rely on item IDs, where each item is treated as an independent…

Information Retrieval · Computer Science 2026-02-02 Zhen Zhao , Tong Zhang , Jie Xu , Qingliang Cai , Qile Zhang , Leyuan Yang , Daorui Xiao , Xiaojia Chang

Multimodal recommendation systems have attracted increasing attention for their improved performance by leveraging items' multimodal information. Prior methods often build modality-specific item-item semantic graphs from raw modality…

Information Retrieval · Computer Science 2025-08-11 Xiaoxiong Zhang , Xin Zhou , Zhiwei Zeng , Dusit Niyato , Zhiqi Shen

The Hierarchical Inference (HI) paradigm employs a tiered processing: the inference from simple data samples are accepted at the end device, while complex data samples are offloaded to the central servers. HI has recently emerged as an…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-17 Adarsh Prasad Behera , Roberto Morabito , Joerg Widmer , Jaya Prakash Champati

The remarkable performance of large multimodal models (LMMs) has attracted significant interest from the image segmentation community. To align with the next-token-prediction paradigm, current LMM-driven segmentation methods either use…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Tao Wang , Changxu Cheng , Lingfeng Wang , Senda Chen , Wuyue Zhao

Visual and semantic concepts are often structured in a hierarchical manner. For instance, textual concept `cat' entails all images of cats. A recent study, MERU, successfully adapts multimodal learning techniques from Euclidean space to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Changli Wang , Fang Yin , Jiafeng Liu , Rui Wu

Semi-supervised change detection (SSCD) aims to detect changes between bi-temporal remote sensing images by utilizing limited labeled data and abundant unlabeled data. Existing methods struggle in complex scenarios, exhibiting poor…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Qi'ao Xu , Pengfei Wang , Yanjun Li , Tianwen Qian , Xiaoling Wang

We present a novel hierarchical spatiotemporal action tokenizer for in-context imitation learning. We first propose a hierarchical approach, which consists of two successive levels of vector quantization. In particular, the lower level…

Transformative innovations in model architectures have introduced hierarchical embedding augmentation as a means to redefine the representation of tokens through multi-level semantic structures, offering enhanced adaptability to complex…

Computation and Language · Computer Science 2025-08-11 Derek Yotheringhay , Alistair Kirkland , Humphrey Kirkbride , Josiah Whitesteeple

Long-video understanding with multimodal language models suffers from three compounding bottlenecks: heavy decode cost to obtain dense RGB frames, quadratic token growth with frame count, and weak motion perception under sparse keyframe…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Haopeng Jin , Hongzhu Yi , Wenlong Zhao , Jinwen Luo , Shani Ye , Zhenyu Guan , Shiquan Dong , Tiankun Yang , Tao Yu

Multi-modal object Re-Identification (ReID) aims to exploit complementary information from different modalities to retrieve specific objects. However, existing methods often rely on hard token filtering or simple fusion strategies, which…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xingguo Xu , Zhanyu Liu , Weixiang Zhou , Yuansheng Gao , Junjie Cao , Yuhao Wang , Jixiang Luo , Dell Zhang

Audio-visual joint representation learning under Cross-Modal Generalization (CMG) aims to transfer knowledge from a labeled source modality to an unlabeled target modality through a unified discrete representation space. Existing symmetric…

Machine Learning · Computer Science 2026-02-04 Bixing Wu , Yuhong Zhao , Zongli Ye , Jiachen Lian , Xiangyu Yue , Gopala Anumanchipalli

The task of multi-label image classification involves recognizing multiple objects within a single image. Considering both valuable semantic information contained in the labels and essential visual features presented in the image, tight…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Shuyi Ouyang , Hongyi Wang , Ziwei Niu , Zhenjia Bai , Shiao Xie , Yingying Xu , Ruofeng Tong , Yen-Wei Chen , Lanfen Lin

Large Language Models (LLMs) have attracted significant attention in recommender systems for their excellent world knowledge capabilities. However, existing methods that rely on Euclidean space struggle to capture the rich hierarchical…

Information Retrieval · Computer Science 2025-04-22 Wentao Cheng , Zhida Qin , Zexue Wu , Pengzhan Zhou , Tianyu Huang

Prompt learning has become a prevalent strategy for adapting vision-language foundation models to downstream tasks. As large language models (LLMs) have emerged, recent studies have explored the use of category-related descriptions as input…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Yubin Wang , Xinyang Jiang , De Cheng , Dongsheng Li , Cairong Zhao