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Object detection requires substantial labeling effort for learning robust models. Active learning can reduce this effort by intelligently selecting relevant examples to be annotated. However, selecting these examples properly without…

Machine Learning · Computer Science 2022-12-09 Dominik Probst , Hasnain Raza , Erik Rodner

Localizing objects in image collections without supervision can help to avoid expensive annotation campaigns. We propose a simple approach to this problem, that leverages the activation features of a vision transformer pre-trained in a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Oriane Siméoni , Gilles Puy , Huy V. Vo , Simon Roburin , Spyros Gidaris , Andrei Bursuc , Patrick Pérez , Renaud Marlet , Jean Ponce

Object category localization is a challenging problem in computer vision. Standard supervised training requires bounding box annotations of object instances. This time-consuming annotation process is sidestepped in weakly supervised…

Computer Vision and Pattern Recognition · Computer Science 2016-05-30 Ramazan Gokberk Cinbis , Jakob Verbeek , Cordelia Schmid

Modern convolutional neural networks (CNNs)-based face detectors have achieved tremendous strides due to large annotated datasets. However, misaligned results with high detection confidence but low localization accuracy restrict the further…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Shi Luo , Xiongfei Li , Xiaoli Zhang

Autonomous driving requires various computer vision algorithms, such as object detection and tracking.Precisely-labeled datasets (i.e., objects are fully contained in bounding boxes with only a few extra pixels) are preferred for training…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Govind Rathore , Wan-Yi Lin , Ji Eun Kim

Providing ground truth supervision to train visual models has been a bottleneck over the years, exacerbated by domain shifts which degenerate the performance of such models. This was the case when visual tasks relied on handcrafted features…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Gabriel Villalonga , Antonio M. Lopez

This paper explores object detection in the small data regime, where only a limited number of annotated bounding boxes are available due to data rarity and annotation expense. This is a common challenge today with machine learning being…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Lanlan Liu , Michael Muelly , Jia Deng , Tomas Pfister , Li-Jia Li

The labeling cost of large number of bounding boxes is one of the main challenges for training modern object detectors. To reduce the dependence on expensive bounding box annotations, we propose a new semi-supervised object detection…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 JIyang Gao , Jiang Wang , Shengyang Dai , Li-Jia Li , Ram Nevatia

Data-driven approaches for edge detection have proven effective and achieve top results on modern benchmarks. However, all current data-driven edge detectors require manual supervision for training in the form of hand-labeled region…

Computer Vision and Pattern Recognition · Computer Science 2016-04-12 Yin Li , Manohar Paluri , James M. Rehg , Piotr Dollár

3D object pose estimation is a challenging task. Previous works always require thousands of object images with annotated poses for learning the 3D pose correspondence, which is laborious and time-consuming for labeling. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Fengrui Tian , Yaoyao Liu , Adam Kortylewski , Yueqi Duan , Shaoyi Du , Alan Yuille , Angtian Wang

Recent advances in convolutional neural networks (CNN) have achieved remarkable results in locating objects in images. In these networks, the training procedure usually requires providing bounding boxes or the maximum number of expected…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Javier Ribera , David Güera , Yuhao Chen , Edward J. Delp

High-quality labeled data is essential for training robust machine learning models, yet obtaining annotations at scale remains expensive. AI-assisted annotation has therefore become standard in large-scale labeling workflows. However, in…

Human-Computer Interaction · Computer Science 2026-05-13 Moussa Kassem Sbeyti , Joshua Holstein , Philipp Spitzer , Nadja Klein , Gerhard Satzger

Bounding-box annotation form has been the most frequently used method for visual object localization tasks. However, bounding-box annotation relies on a large amount of precisely annotating bounding boxes, and it is expensive and laborious.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 Xuehui Yu , Di Wu , Qixiang Ye , Jianbin Jiao , Zhenjun Han

The cost of drawing object bounding boxes (i.e. labeling) for millions of images is prohibitively high. For instance, labeling pedestrians in a regular urban image could take 35 seconds on average. Active learning aims to reduce the cost of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Hamed H. Aghdam , Abel Gonzalez-Garcia , Joost van de Weijer , Antonio M. López

3D object detection has recently received much attention due to its great potential in autonomous vehicle (AV). The success of deep learning based object detectors relies on the availability of large-scale annotated datasets, which is…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Jinpeng Lin , Zhihao Liang , Shengheng Deng , Lile Cai , Tao Jiang , Tianrui Li , Kui Jia , Xun Xu

The training of deep-learning-based 3D object detectors requires large datasets with 3D bounding box labels for supervision that have to be generated by hand-labeling. We propose a network architecture and training procedure for learning…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 L. Koestler , N. Yang , R. Wang , D. Cremers

In training object detector based on convolutional neural networks, selection of effective positive examples for training is an important factor. However, when training an anchor-based detectors with sparse annotations on an image, effort…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Jihun Yoon , Seungbum Hong , Sanha Jeong , Min-Kook Choi

3D detection of traffic management objects, such as traffic lights and road signs, is vital for self-driving cars, particularly for address-to-address navigation where vehicles encounter numerous intersections with these static objects.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Sándor Kunsági-Máté , Levente Pető , Lehel Seres , Tamás Matuszka

Annotating object ground truth in videos is vital for several downstream tasks in robot perception and machine learning, such as for evaluating the performance of an object tracker or training an image-based object detector. The accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Eric Price , Aamir Ahmad

We present a reinforcement learning approach for detecting objects within an image. Our approach performs a step-wise deformation of a bounding box with the goal of tightly framing the object. It uses a hierarchical tree-like representation…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Jonas Koenig , Simon Malberg , Martin Martens , Sebastian Niehaus , Artus Krohn-Grimberghe , Arunselvan Ramaswamy