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This paper improves upon existing data pruning methods for image classification by introducing a novel pruning metric and pruning procedure based on importance sampling. The proposed pruning metric explicitly accounts for data separability,…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Steven Grosz , Rui Zhao , Rajeev Ranjan , Hongcheng Wang , Manoj Aggarwal , Gerard Medioni , Anil Jain

Image matching is a key component of many tasks in computer vision and its main objective is to find correspondences between features extracted from different natural images. When images are represented as graphs, image matching boils down…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Nancy Xu , Giannis Nikolentzos , Michalis Vazirgiannis , Henrik Boström

Dense and accurate depth estimation is essential for robotic manipulation, grasping, and navigation, yet currently available depth sensors are prone to errors on transparent, specular, and general non-Lambertian surfaces. To mitigate these…

机器人学 · 计算机科学 2026-05-05 Simon Dorer , Martin Büchner , Nick Heppert , Abhinav Valada

Line Chart Data Extraction is a natural extension of Optical Character Recognition where the objective is to recover the underlying numerical information a chart image represents. Some recent works such as ChartOCR approach this problem…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Shufan Li , Congxi Lu , Linkai Li , Haoshuai Zhou

Person search aims to simultaneously localize and identify a query person from realistic, uncropped images. To achieve this goal, state-of-the-art models typically add a re-id branch upon two-stage detectors like Faster R-CNN. Owing to the…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Yichao Yan , Jinpeng Li , Jie Qin , Shengcai Liao , Xiaokang Yang

Image collage is a very useful tool for visualizing an image collection. Most of the existing methods and commercial applications for generating image collages are designed on simple shapes, such as rectangular and circular layouts. This…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Dong-Yi Wu , Thi-Ngoc-Hanh Le , Sheng-Yi Yao , Yun-Chen Lin , Tong-Yee Lee

Image captioning aims at automatically generating descriptions of an image in natural language. This is a challenging problem in the field of artificial intelligence that has recently received significant attention in the computer vision…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Hassan Maleki Galandouz , Mohsen Ebrahimi Moghaddam , Mehrnoush Shamsfard

Rank-based Learning with deep neural network has been widely used for image cropping. However, the performance of ranking-based methods is often poor and this is mainly due to two reasons: 1) image cropping is a listwise ranking task rather…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Weirui Lu , Xiaofen Xing , Bolun Cai , Xiangmin Xu

The aim of this paper is to propose a mechanism to efficiently and explicitly model image hierarchies in the global, regional, and local range for image restoration. To achieve that, we start by analyzing two important properties of natural…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Yawei Li , Yuchen Fan , Xiaoyu Xiang , Denis Demandolx , Rakesh Ranjan , Radu Timofte , Luc Van Gool

Interactive image segmentation is a challenging task and receives increasing attention recently; however, two major drawbacks exist in interactive segmentation approaches. First, the segmentation performance of ROI-based methods is…

计算机视觉与模式识别 · 计算机科学 2016-08-09 Min Xian , Yingtao Zhang , H. D. Cheng , Fei Xu , Jianrui Ding

Image segmentation techniques are predominately based on parameter-laden optimization. The objective function typically involves weights for balancing competing image fidelity and segmentation regularization cost terms. Setting these…

计算机视觉与模式识别 · 计算机科学 2009-06-24 Josna Rao , Ghassan Hamarneh , Rafeef Abugharbieh

Anchor-based techniques reduce the computational complexity of spectral clustering algorithms. Although empirical tests have shown promising results, there is currently a lack of theoretical support for the anchoring approach. We define a…

机器学习 · 统计学 2020-06-30 Henry-Louis de Kergorlay , Desmond John Higham

This paper addresses the problem of document image dewarping, which aims at eliminating the geometric distortion in document images for document digitization. Instead of designing a better neural network to approximate the optical flow…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Xiangwei Jiang , Rujiao Long , Nan Xue , Zhibo Yang , Cong Yao , Gui-Song Xia

Edge detection is one of the most critical tasks in automatic image analysis. There exists no universal edge detection method which works well under all conditions. This paper shows the new approach based on the one of the most efficient…

计算机视觉与模式识别 · 计算机科学 2012-11-13 Mohamed A. El-Sayed

Image-based rendering techniques stand at the core of an immersive experience for the user, as they generate novel views given a set of multiple input images. Since they have shown good performance in terms of objective and subjective…

多媒体 · 计算机科学 2023-09-13 Marta Milovanović , Enzo Tartaglione , Marco Cagnazzo , Félix Henry

The availability of a robust and efficient routine for calculating light curves of a finite source magnified due to bending its light by the gravitational field of an intervening binary lens is essential for determining the characteristics…

天体物理学 · 物理学 2008-11-26 M. Dominik

Automatic image cropping algorithms aim to recompose images like human-being photographers by generating the cropping boxes with improved composition quality. Cropping box regression approaches learn the beauty of composition from annotated…

计算机视觉与模式识别 · 计算机科学 2023-02-20 Zhiyu Pan , Yinpeng Chen , Jiale Zhang , Hao Lu , Zhiguo Cao , Weicai Zhong

Image manipulation detection is to identify the authenticity of each pixel in images. One typical approach to uncover manipulation traces is to model image correlations. The previous methods commonly adopt the grids, which are fixed-size…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Xudong Wang , Jiaran Zhou , Huiyu Zhou , Junyu Dong , Yuezun Li

A recent approach for object detection and human pose estimation is to regress bounding boxes or human keypoints from a central point on the object or person. While this center-point regression is simple and efficient, we argue that the…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Fangyun Wei , Xiao Sun , Hongyang Li , Jingdong Wang , Stephen Lin

Event retrieval and recognition in a large corpus of videos necessitates a holistic fixed-size visual representation at the video clip level that is comprehensive, compact, and yet discriminative. It shall comprehensively aggregate…

计算机视觉与模式识别 · 计算机科学 2016-10-12 Zhanning Gao , Gang Hua , Dongqing Zhang , Jianru Xue , Nanning Zheng