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Transformers are widely used in computer vision areas and have achieved remarkable success. Most state-of-the-art approaches split images into regular grids and represent each grid region with a vision token. However, fixed token…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Wang Zeng , Sheng Jin , Lumin Xu , Wentao Liu , Chen Qian , Wanli Ouyang , Ping Luo , Xiaogang Wang

Real-world optimization problems are often constrained by complex physical laws that limit computational scalability. These constraints are inherently tied to complex regions, and thus learning models that incorporate physical and geometric…

Machine Learning · Computer Science 2026-03-10 Yilin Wen , Yi Guo , Bo Zhao , Wei Qi , Zechun Hu , Colin Jones , Jian Sun

Video Referring Expression Comprehension (REC) aims to localize a target object in videos based on the queried natural language. Recent improvements in video REC have been made using Transformer-based methods with learnable queries.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Ji Jiang , Meng Cao , Tengtao Song , Long Chen , Yi Wang , Yuexian Zou

We present a new encoder-decoder Vision Transformer architecture, Patcher, for medical image segmentation. Unlike standard Vision Transformers, it employs Patcher blocks that segment an image into large patches, each of which is further…

Image and Video Processing · Electrical Eng. & Systems 2023-05-31 Yanglan Ou , Ye Yuan , Xiaolei Huang , Stephen T. C. Wong , John Volpi , James Z. Wang , Kelvin Wong

The Depth-aware Video Panoptic Segmentation (DVPS) is a new challenging vision problem that aims to predict panoptic segmentation and depth in a video simultaneously. The previous work solves this task by extending the existing panoptic…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Haobo Yuan , Xiangtai Li , Yibo Yang , Guangliang Cheng , Jing Zhang , Yunhai Tong , Lefei Zhang , Dacheng Tao

Recently, Space-Time Memory Network (STM) based methods have achieved state-of-the-art performance in semi-supervised video object segmentation (VOS). A crucial problem in this task is how to model the dependency both among different frames…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Jianbiao Mei , Mengmeng Wang , Yeneng Lin , Yi Yuan , Yong Liu

Vision Transformers face a fundamental limitation: standard self-attention jointly processes spatial and channel dimensions, leading to entangled representations that prevent independent modeling of structural and semantic dependencies.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Jiashu Liao , Pietro Liò , Marc de Kamps , Duygu Sarikaya

In this paper, we propose a transformer-based image matting model called MatteFormer, which takes full advantage of trimap information in the transformer block. Our method first introduces a prior-token which is a global representation of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 GyuTae Park , SungJoon Son , JaeYoung Yoo , SeHo Kim , Nojun Kwak

Since convolutional neural networks (CNNs) perform well at learning generalizable image priors from large-scale data, these models have been extensively applied to image restoration and related tasks. Recently, another class of neural…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Syed Waqas Zamir , Aditya Arora , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang

Nowadays advanced image editing tools and technical skills produce tampered images more realistically, which can easily evade image forensic systems and make authenticity verification of images more difficult. To tackle this challenging…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Jing Hao , Zhixin Zhang , Shicai Yang , Di Xie , Shiliang Pu

This paper presents CLUSTERFORMER, a universal vision model that is based on the CLUSTERing paradigm with TransFORMER. It comprises two novel designs: 1. recurrent cross-attention clustering, which reformulates the cross-attention mechanism…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 James C. Liang , Yiming Cui , Qifan Wang , Tong Geng , Wenguan Wang , Dongfang Liu

Panoramic distortion poses a significant challenge in 360 depth estimation, particularly pronounced at the north and south poles. Existing methods either adopt a bi-projection fusion strategy to remove distortions or model long-range…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Junsong Zhang , Zisong Chen , Chunyu Lin , Lang Nie , Zhijie Shen , Kang Liao , Junda Huang , Yao Zhao

Referring video object segmentation (RVOS) is an emerging cross-modality task that aims to generate pixel-level maps of the target objects referred by given textual expressions. The main concept involves learning an accurate alignment of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Baoli Sun , Xinzhu Ma , Ning Wang , Zhihui Wang , Zhiyong Wang

A powerful architecture for universal segmentation relies on transformers that encode multi-scale image features and decode object queries into mask predictions. With efficiency being a high priority for scaling such models, we observed…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Abhishek Aich , Yumin Suh , Samuel Schulter , Manmohan Chandraker

Image segmentation is a fundamental task in computer vision, aimed at partitioning an image into semantically meaningful regions. Referring image segmentation extends this task by using natural language expressions to localize specific…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Alaa Dalaq , Muzammil Behzad

Self-supervised prediction is a powerful mechanism to learn representations that capture the underlying structure of the data. Despite recent progress, the self-supervised video prediction task is still challenging. One of the critical…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Hafez Farazi , Sven Behnke

We tackle the problem of automatically reconstructing a complete 3D model of a scene from a single RGB image. This challenging task requires inferring the shape of both visible and occluded surfaces. Our approach utilizes viewer-centered,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Daeyun Shin , Zhile Ren , Erik B. Sudderth , Charless C. Fowlkes

This paper presents 6D-ViT, a transformer-based instance representation learning network, which is suitable for highly accurate category-level object pose estimation on RGB-D images. Specifically, a novel two-stream encoder-decoder…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Lu Zou , Zhangjin Huang , Naijie Gu , Guoping Wang

Referring segmentation grounds natural-language queries to pixel-level masks, but extending it to complex scenarios with multiple instances, cross-category groups, or open-ended target sets remains challenging. Previous Large Vision…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zhixiong Zhang , Yizhuo Li , Shuangrui Ding , Yuhang Zang , Shengyuan Ding , Long Xing , Yibin Wang , Qiaosheng Zhang , Jiaqi Wang

Decoding in a Transformer based language model is inherently sequential as a token's embedding needs to pass through all the layers in the network before the generation of the next token can begin. In this work, we propose a new…

Machine Learning · Computer Science 2025-08-27 Dylan Cutler , Arun Kandoor , Nishanth Dikkala , Nikunj Saunshi , Xin Wang , Rina Panigrahy