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Visual place recognition methods struggle with occlusions and partial visual overlaps. We propose a novel visual place recognition approach based on overlap prediction, called VOP, shifting from traditional reliance on global image…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Tong Wei , Philipp Lindenberger , Jiri Matas , Daniel Barath

In this paper, we address the problem of landmark-based visual place recognition. In the state-of-the-art method, accurate object proposal algorithms are first leveraged for generating a set of local regions containing particular landmarks…

机器人学 · 计算机科学 2018-08-24 Bo Yang , Jun Li , Xiaosu Xu , Hong Zhang

In this work, we introduce LEAD, an approach to discover landmarks from an unannotated collection of category-specific images. Existing works in self-supervised landmark detection are based on learning dense (pixel-level) feature…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Tejan Karmali , Abhinav Atrishi , Sai Sree Harsha , Susmit Agrawal , Varun Jampani , R. Venkatesh Babu

We present the novel Efficient Line Segment Detector and Descriptor (ELSD) to simultaneously detect line segments and extract their descriptors in an image. Unlike the traditional pipelines that conduct detection and description separately,…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Haotian Zhang , Yicheng Luo , Fangbo Qin , Yijia He , Xiao Liu

Structured prediction is the cornerstone of several machine learning applications. Unfortunately, in structured prediction settings with expressive inter-variable interactions, exact inference-based learning algorithms, e.g. Structural SVM,…

机器学习 · 计算机科学 2012-06-22 Rajhans Samdani , Dan Roth

We present a method for estimating detailed scene illumination using human faces in a single image. In contrast to previous works that estimate lighting in terms of low-order basis functions or distant point lights, our technique estimates…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Renjiao Yi , Chenyang Zhu , Ping Tan , Stephen Lin

Generating semantically coherent text requires a robust internal representation of linguistic structures, which traditional embedding techniques often fail to capture adequately. A novel approach, Latent Lexical Projection (LLP), is…

计算与语言 · 计算机科学 2025-03-26 Ziad Shaker , Brendan Ashdown , Hugo Fitzalan , Alistair Heathcote , Jocasta Huntington

Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

计算机视觉与模式识别 · 计算机科学 2020-09-15 S. D. Lalitha , K. K. Thyagharajan

With the development of deep learning, the structure of convolution neural network is becoming more and more complex and the performance of object recognition is getting better. However, the classification mechanism of convolution neural…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Yongpei Zhu , Hongwei Fan , Kehong Yuan

In this paper, we share our experience in designing a convolutional network-based face detector that could handle faces of an extremely wide range of scales. We show that faces with different scales can be modeled through a specialized set…

计算机视觉与模式识别 · 计算机科学 2017-06-12 Shuo Yang , Yuanjun Xiong , Chen Change Loy , Xiaoou Tang

Local discriminative representation is needed in many medical image analysis tasks such as identifying sub-types of lesion or segmenting detailed components of anatomical structures. However, the commonly applied supervised representation…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Huai Chen , Jieyu Li , Renzhen Wang , Yijie Huang , Fanrui Meng , Deyu Meng , Qing Peng , Lisheng Wang

The challenge in few-shot learning is that available data is not enough to capture the underlying distribution. To mitigate this, two emerging directions are (a) using local image representations, essentially multiplying the amount of data…

计算机视觉与模式识别 · 计算机科学 2021-01-06 Yann Lifchitz , Yannis Avrithis , Sylvaine Picard

Detecting local features, such as corners, segments or blobs, is the first step in the pipeline of many Computer Vision applications. Its speed is crucial for real-time applications. In this paper we present ELSED, the fastest line segment…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Iago Suárez , José M. Buenaposada , Luis Baumela

We propose a very simple, efficient yet surprisingly effective feature extraction method for face recognition (about 20 lines of Matlab code), which is mainly inspired by spatial pyramid pooling in generic image classification. We show that…

计算机视觉与模式识别 · 计算机科学 2014-09-18 Fumin Shen , Chunhua Shen , Heng Tao Shen

Facial expression recognition (FER) is an essential task for understanding human behaviors. As one of the most informative behaviors of humans, facial expressions are often compound and variable, which is manifested by the fact that…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Hanting Li , Hongjing Niu , Zhaoqing Zhu , Feng Zhao

Multidimensional projections (MP) are among the most essential approaches in the visual analysis of multidimensional data. It transforms multidimensional data into two-dimensional representations that may be shown as scatter plots while…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Maniru Ibrahim , Thales Vieira

Despite recent advances in Large Vision Language Models (LVLMs), these models still suffer from generating hallucinatory responses that do not align with the visual input provided. To mitigate such hallucinations, we introduce Efficient…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Laura Fieback , Nishilkumar Balar , Jakob Spiegelberg , Hanno Gottschalk

With advanced image journaling tools, one can easily alter the semantic meaning of an image by exploiting certain manipulation techniques such as copy-clone, object splicing, and removal, which mislead the viewers. In contrast, the…

计算机视觉与模式识别 · 计算机科学 2019-06-26 Jawadul H. Bappy , Cody Simons , Lakshmanan Nataraj , B. S. Manjunath , Amit K. Roy-Chowdhury

The rapid development of deep learning has made a great progress in image segmentation, one of the fundamental tasks of computer vision. However, the current segmentation algorithms mostly rely on the availability of pixel-level…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Wei Shen , Zelin Peng , Xuehui Wang , Huayu Wang , Jiazhong Cen , Dongsheng Jiang , Lingxi Xie , Xiaokang Yang , Qi Tian

We test this premise and explore representation spaces from a single deep convolutional network and their visualization to argue for a novel unified feature extraction framework. The objective is to utilize and re-purpose trained feature…

计算机视觉与模式识别 · 计算机科学 2017-07-19 Dalton Lunga , Dilip Patlolla , Lexie Yang , Jeanette Weaver , Budhendra Bhadhuri