English
Related papers

Related papers: Revisiting Shadow Detection from a Vision-Language…

200 papers

Shadow detection is a challenging task as it requires a comprehensive understanding of shadow characteristics and global/local illumination conditions. We observe from our experiment that state-of-the-art deep methods tend to have higher…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Huankang Guan , Ke Xu , Rynson W. H. Lau

Video shadow detection confronts two entwined difficulties: distinguishing shadows from complex backgrounds and modeling dynamic shadow deformations under varying illumination. To address shadow-background ambiguity, we leverage linguistic…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zhicheng Li , Kunyang Sun , Rui Yao , Hancheng Zhu , Fuyuan Hu , Jiaqi Zhao , Zhiwen Shao , Yong Zhou

Shadow detection and shadow removal are fundamental and challenging tasks, requiring an understanding of the global image semantics. This paper presents a novel deep neural network design for shadow detection and removal by analyzing the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-15 Xiaowei Hu , Chi-Wing Fu , Lei Zhu , Jing Qin , Pheng-Ann Heng

Traditional shadow detectors often identify all shadow regions of static images or video sequences. This work presents the Referring Video Shadow Detection (RVSD), which is an innovative task that rejuvenates the classic paradigm by…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Hongqiu Wang , Wei Wang , Haipeng Zhou , Huihui Xu , Shaozhi Wu , Lei Zhu

Vision-language models (VLMs) have enabled strong zero-shot classification through image-text alignment. Yet, their purely visual inference capabilities remain under-explored. In this work, we conduct a comprehensive evaluation of both…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Illia Volkov , Nikita Kisel , Klara Janouskova , Jiri Matas

Semantic information has been proved effective in scene text recognition. Most existing methods tend to couple both visual and semantic information in an attention-based decoder. As a result, the learning of semantic features is prone to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Changxu Cheng , Bohan Li , Qi Zheng , Yongpan Wang , Wenyu Liu

The rapid advancement of generative models has intensified the challenge of detecting and interpreting visual forgeries, necessitating robust frameworks for image forgery detection while providing reasoning as well as localization. While…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Ipsita Praharaj , Yukta Butala , Badrikanath Praharaj , Yash Butala

In recent years, various shadow detection methods from a single image have been proposed and used in vision systems; however, most of them are not appropriate for the robotic applications due to the expensive time complexity. This paper…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Sepideh Hosseinzadeh , Moein Shakeri , Hong Zhang

Shadows, formed by the occlusion of light, play an essential role in visual perception and directly influence scene understanding, image quality, and visual realism. This paper presents a unified survey and benchmark of deep-learning-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Xiaowei Hu , Zhenghao Xing , Tianyu Wang , Chi-Wing Fu , Pheng-Ann Heng

Text recognition is an inherent integration of vision and language, encompassing the visual texture in stroke patterns and the semantic context among the character sequences. Towards advanced text recognition, there are three key…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Humen Zhong , Zhibo Yang , Zhaohai Li , Peng Wang , Jun Tang , Wenqing Cheng , Cong Yao

Shadow detection is a fundamental and challenging task in many computer vision applications. Intuitively, most shadows come from the occlusion of light by the object itself, resulting in the object and its shadow being contiguous (referred…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Yonghui Wang , Shaokai Liu , Li Li , Wengang Zhou , Houqiang Li

Fast and accurate object perception in low-light traffic scenes has attracted increasing attention. However, due to severe illumination degradation and the lack of reliable visual cues, existing perception models and methods struggle to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Hulin Li , Qiliang Ren , Jun Li , Hanbing Wei , Zheng Liu , Linfang Fan

In this paper, we propose 3DSS-VLG, a weakly supervised approach for 3D Semantic Segmentation with 2D Vision-Language Guidance, an alternative approach that a 3D model predicts dense-embedding for each point which is co-embedded with both…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Xiaoxu Xu , Yitian Yuan , Jinlong Li , Qiudan Zhang , Zequn Jie , Lin Ma , Hao Tang , Nicu Sebe , Xu Wang

Supervised dictionary learning (SDL) is a classical machine learning method that simultaneously seeks feature extraction and classification tasks, which are not necessarily a priori aligned objectives. The goal of SDL is to learn a…

Machine Learning · Statistics 2022-06-15 Joowon Lee , Hanbaek Lyu , Weixin Yao

The pre-trained vision-language model, exemplified by CLIP, advances zero-shot semantic segmentation by aligning visual features with class embeddings through a transformer decoder to generate semantic masks. Despite its effectiveness,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Zicheng Zhang , Tong Zhang , Yi Zhu , Jianzhuang Liu , Xiaodan Liang , QiXiang Ye , Wei Ke

Shadow detection is a fundamental and challenging task, since it requires an understanding of global image semantics and there are various backgrounds around shadows. This paper presents a novel network for shadow detection by analyzing…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Xiaowei Hu , Lei Zhu , Chi-Wing Fu , Jing Qin , Pheng-Ann Heng

Pre-trained vision-language models (VLMs), such as CLIP, have demonstrated impressive zero-shot recognition capability, but still underperform in dense prediction tasks. Self-distillation recently is emerging as a promising approach for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Yunheng Li , Yuxuan Li , Quansheng Zeng , Wenhai Wang , Qibin Hou , Ming-Ming Cheng

Safe autonomous systems in complex environments require robust road anomaly segmentation to identify unknown obstacles. However, existing approaches often rely on pixel-level statistics to determine whether a region appears anomalous. This…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zhuolin He , Jiacheng Tang , Jian Pu , Xiangyang Xue

Block-wise discrete diffusion offers an attractive balance between parallel generation and causal dependency modeling, making it a promising backbone for vision-language modeling. However, its practical adoption has been limited by high…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Shuang Cheng , Yuhua Jiang , Zineng Zhou , Dawei Liu , Wang Tao , Linfeng Zhang , Biqing Qi , Bowen Zhou

Shadows are a common factor degrading image quality. Single-image shadow removal (SR), particularly under challenging indirect illumination, is hampered by non-uniform content degradation and inherent ambiguity. Consequently, traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Yu-Fan Lin , Chia-Ming Lee , Chih-Chung Hsu
‹ Prev 1 2 3 10 Next ›