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Video Object Segmentation (VOS) is crucial for several applications, from video editing to video data generation. Training a VOS model requires an abundance of manually labeled training videos. The de-facto traditional way of annotating…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Thanos Delatolas , Vicky Kalogeiton , Dim P. Papadopoulos

Manually labeling video datasets for segmentation tasks is extremely time consuming. In this paper, we introduce ScribbleBox, a novel interactive framework for annotating object instances with masks in videos. In particular, we split…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Bowen Chen , Huan Ling , Xiaohui Zeng , Gao Jun , Ziyue Xu , Sanja Fidler

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

Manually annotating object segmentation masks is very time-consuming. While interactive segmentation methods offer a more efficient alternative, they become unaffordable at a large scale because the cost grows linearly with the number of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Dim P. Papadopoulos , Ethan Weber , Antonio Torralba

State-of-the-art computer vision approaches rely on huge amounts of annotated data. The collection of such data is a time consuming process since it is mainly performed by humans. The literature shows that semi-automatic annotation…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Jonas Jäger , Gereon Reus , Joachim Denzler , Viviane Wolff , Klaus Fricke-Neuderth

Accurate segmentation for medical images is important for clinical diagnosis. Existing automatic segmentation methods are mainly based on fully supervised learning and have an extremely high demand for precise annotations, which are very…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Yuanpeng Liu , Qinglei Hui , Zhiyi Peng , Shaolin Gong , Dexing Kong

In recent years, the performance of object detection has advanced significantly with the evolving deep convolutional neural networks. However, the state-of-the-art object detection methods still rely on accurate bounding box annotations…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Qingyi Tao , Hao Yang , Jianfei Cai

The aim of fine-grained recognition is to identify sub-ordinate categories in images like different species of birds. Existing works have confirmed that, in order to capture the subtle differences across the categories, automatic…

Computer Vision and Pattern Recognition · Computer Science 2017-03-30 Zhiqiang Shen , Yu-Gang Jiang , Dequan Wang , Xiangyang Xue

The image-based 3D object detection task expects that the predicted 3D bounding box has a ``tightness'' projection (also referred to as cuboid), which fits the object contour well on the image while still keeping the geometric attribute on…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Jieqi Shi , Peiliang Li , Xiaozhi Chen , Shaojie Shen

The annotation of video tampering dataset is a boring task that takes a lot of manpower and financial resources. At present, there is no published literature which is capable to improve the annotation efficiency of forged videos. We…

Multimedia · Computer Science 2018-02-08 Ye Yao

Learning accurate object detectors often requires large-scale training data with precise object bounding boxes. However, labeling such data is expensive and time-consuming. As the crowd-sourcing labeling process and the ambiguities of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Chengxin Liu , Kewei Wang , Hao Lu , Zhiguo Cao , Ziming Zhang

In this paper, we propose a general approach to optimize anchor boxes for object detection. Nowadays, anchor boxes are widely adopted in state-of-the-art detection frameworks. However, these frameworks usually pre-define anchor box shapes…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Yuanyi Zhong , Jianfeng Wang , Jian Peng , Lei Zhang

Efficient and reliable methods for training of object detectors are in higher demand than ever, and more and more data relevant to the field is becoming available. However, large datasets like Open Images Dataset v4 (OID) are sparsely…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Yusuke Niitani , Takuya Akiba , Tommi Kerola , Toru Ogawa , Shotaro Sano , Shuji Suzuki

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

Semantic labelling and instance segmentation are two tasks that require particularly costly annotations. Starting from weak supervision in the form of bounding box detection annotations, we propose a new approach that does not require…

Computer Vision and Pattern Recognition · Computer Science 2016-11-24 Anna Khoreva , Rodrigo Benenson , Jan Hosang , Matthias Hein , Bernt Schiele

Text detection and recognition are essential components of a modern OCR system. Most OCR approaches attempt to obtain accurate bounding boxes of text at the detection stage, which is used as the input of the text recognition stage. We…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Jingqun Tang , Wenming Qian , Luchuan Song , Xiena Dong , Lan Li , Xiang Bai

Despite a growing number of datasets being collected for training 3D object detection models, significant human effort is still required to annotate 3D boxes on LiDAR scans. To automate the annotation and facilitate the production of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Chang Liu , Xiaoyan Qian , Binxiao Huang , Xiaojuan Qi , Edmund Lam , Siew-Chong Tan , Ngai Wong

Deep learning-based detectors usually produce a redundant set of object bounding boxes including many duplicate detections of the same object. These boxes are then filtered using non-maximum suppression (NMS) in order to select exactly one…

Computer Vision and Pattern Recognition · Computer Science 2021-02-01 Danila Rukhovich , Konstantin Sofiiuk , Danil Galeev , Olga Barinova , Anton Konushin

Deep neural networks deliver state-of-the-art visual recognition, but they rely on large datasets, which are time-consuming to annotate. These datasets are typically annotated in two stages: (1) determining the presence of object classes at…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Michael Gygli , Vittorio Ferrari

It is laborious to manually label point cloud data for training high-quality 3D object detectors. This work proposes a weakly supervised approach for 3D object detection, only requiring a small set of weakly annotated scenes, associated…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Qinghao Meng , Wenguan Wang , Tianfei Zhou , Jianbing Shen , Luc Van Gool , Dengxin Dai