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Crop-based training strategies decouple training resolution from GPU memory consumption, allowing the use of large-capacity panoptic segmentation networks on multi-megapixel images. Using crops, however, can introduce a bias towards…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Lorenzo Porzi , Samuel Rota Bulò , Peter Kontschieder

We present a novel approach for inspecting variable data prints (VDP) with an ultra-low false alarm rate (0.005%) and potential applicability to other real-world problems. The system is based on a comparison between two images: a reference…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Oren Haik , Oded Perry , Eli Chen , Peter Klammer

The rapidly evolving field of robotics necessitates methods that can facilitate the fusion of multiple modalities. Specifically, when it comes to interacting with tangible objects, effectively combining visual and tactile sensory data is…

机器人学 · 计算机科学 2024-01-23 Vedant Dave , Fotios Lygerakis , Elmar Rueckert

In recent years, attention models have been extensively used for person and vehicle re-identification. Most re-identification methods are designed to focus attention on key-point locations. However, depending on the orientation, the…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Pirazh Khorramshahi , Amit Kumar , Neehar Peri , Sai Saketh Rambhatla , Jun-Cheng Chen , Rama Chellappa

Vehicle Re-Identification is to find images of the same vehicle from various views in the cross-camera scenario. The main challenges of this task are the large intra-instance distance caused by different views and the subtle inter-instance…

计算机视觉与模式识别 · 计算机科学 2020-04-13 Dechao Meng , Liang Li , Xuejing Liu , Yadong Li , Shijie Yang , Zhengjun Zha , Xingyu Gao , Shuhui Wang , Qingming Huang

Although there has been much progress in the area of facial expression recognition (FER), most existing methods suffer when presented with images that have been captured from viewing angles that are non-frontal and substantially different…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Shuvendu Roy , Ali Etemad

Although great progress in supervised person re-identification (Re-ID) has been made recently, due to the viewpoint variation of a person, Re-ID remains a massive visual challenge. Most existing viewpoint-based person Re-ID methods project…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Zhihui Zhu , Xinyang Jiang , Feng Zheng , Xiaowei Guo , Feiyue Huang , Weishi Zheng , Xing Sun

Autonomous vehicles rely on map information to understand the world around them. However, the creation and maintenance of offline high-definition (HD) maps remains costly. A more scalable alternative lies in online HD map construction,…

机器人学 · 计算机科学 2026-05-25 Jonas Merkert , Alexander Blumberg , Jan-Hendrik Pauls , Christoph Stiller

We present BEVCon, a simple yet effective contrastive learning framework designed to improve Bird's Eye View (BEV) perception in autonomous driving. BEV perception offers a top-down-view representation of the surrounding environment, making…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Ziyang Leng , Jiawei Yang , Zhicheng Ren , Bolei Zhou

Contrastive learning has emerged as a transformative method for learning effective visual representations through the alignment of image and text embeddings. However, pairwise similarity computation in contrastive loss between image and…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Sachin Mehta , Maxwell Horton , Fartash Faghri , Mohammad Hossein Sekhavat , Mahyar Najibi , Mehrdad Farajtabar , Oncel Tuzel , Mohammad Rastegari

Visual and linguistic pre-training aims to learn vision and language representations together, which can be transferred to visual-linguistic downstream tasks. However, there exists semantic confusion between language and vision during the…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Shentong Mo , Jingfei Xia , Ihor Markevych

We develop an approach to learning visual representations that embraces multimodal data, driven by a combination of intra- and inter-modal similarity preservation objectives. Unlike existing visual pre-training methods, which solve a proxy…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Xin Yuan , Zhe Lin , Jason Kuen , Jianming Zhang , Yilin Wang , Michael Maire , Ajinkya Kale , Baldo Faieta

Visual localization, which estimates a camera's pose within a known scene, is a fundamental capability for autonomous systems. While absolute pose regression (APR) methods have shown promise for efficient inference, they often struggle with…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Sihang Li , Siqi Tan , Bowen Chang , Jing Zhang , Chen Feng , Yiming Li

Existing vehicle re-identification methods mainly rely on the single query, which has limited information for vehicle representation and thus significantly hinders the performance of vehicle Re-ID in complicated surveillance networks. In…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Aihua Zheng , Chaobin Zhang , Weijun Zhang , Chenglong Li , Jin Tang , Chang Tan , Ruoran Jia

Unsupervised pre-training aims at learning transferable features that are beneficial for downstream tasks. However, most state-of-the-art unsupervised methods concentrate on learning global representations for image-level classification…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Jian Ding , Enze Xie , Hang Xu , Chenhan Jiang , Zhenguo Li , Ping Luo , Gui-Song Xia

Recently, vehicle re-identification methods based on deep learning constitute remarkable achievement. However, this achievement requires large-scale and well-annotated datasets. In constructing the dataset, assigning globally available…

计算机视觉与模式识别 · 计算机科学 2021-09-15 Jongmin Yu , Junsik Kim , Minkyung Kim , Hyeontaek Oh

Based on the concept that ventral visual stream (VVS) mainly functions for object recognition, current unsupervised task-driven methods model VVS by contrastive learning, and have achieved good brain similarity. However, we believe…

计算工程、金融与科学 · 计算机科学 2025-11-11 Dazhong Rong , Hao Dong , Xing Gao , Jiyu Wei , Di Hong , Yaoyao Hao , Qinming He , Yueming Wang

Recently, self-supervised vision transformers have attracted unprecedented attention for their impressive representation learning ability. However, the dominant method, contrastive learning, mainly relies on an instance discrimination…

计算机视觉与模式识别 · 计算机科学 2022-01-20 Luya Wang , Feng Liang , Yangguang Li , Honggang Zhang , Wanli Ouyang , Jing Shao

Robust visual place recognition (VPR) requires scene representations that are invariant to various environmental challenges such as seasonal changes and variations due to ambient lighting conditions during day and night. Moreover, a…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Unnat Jain , Vinay P. Namboodiri , Gaurav Pandey

Recent researches on unsupervised person re-identification~(reID) have demonstrated that pre-training on unlabeled person images achieves superior performance on downstream reID tasks than pre-training on ImageNet. However, those…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Liping Bao , Longhui Wei , Xiaoyu Qiu , Wengang Zhou , Houqiang Li , Qi Tian