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相关论文: Pooling Pyramid Network for Object Detection

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With the increasing demand for search and rescue, it is highly demanded to detect objects of interest in large-scale images captured by Unmanned Aerial Vehicles (UAVs), which is quite challenging due to extremely small scales of objects.…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Mingbo Hong , Shuiwang Li , Yuchao Yang , Feiyu Zhu , Qijun Zhao , Li Lu

Exploiting pseudo labels (e.g., categories and bounding boxes) of unannotated objects produced by a teacher detector have underpinned much of recent progress in semi-supervised object detection (SSOD). However, due to the limited…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Lei Zhang , Yuxuan Sun , Wei Wei

We present an algorithm for multi-scale tumor (chimeric cell) detection in high resolution slide scans. The broad range of tumor sizes in our dataset pose a challenge for current Convolutional Neural Networks (CNN) which often fail when…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Qingchao Zhang , Coy D. Heldermon , Corey Toler-Franklin

Scale-sensitive object detection remains a challenging task, where most of the existing methods could not learn it explicitly and are not robust to scale variance. In addition, the most existing methods are less efficient during training or…

计算机视觉与模式识别 · 计算机科学 2019-09-16 Junran Peng , Ming Sun , Zhaoxiang Zhang , Tieniu Tan , Junjie Yan

Detecting complex events in a large video collection crawled from video websites is a challenging task. When applying directly good image-based feature representation, e.g., HOG, SIFT, to videos, we have to face the problem of how to pool…

计算机视觉与模式识别 · 计算机科学 2016-08-22 Lan Wang , Chenqiang Gao , Jiang Liu , Deyu Meng

Convolutional networks and vision transformers have different forms of pairwise interactions, pooling across layers and pooling at the end of the network. Does the latter really need to be different? As a by-product of pooling, vision…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Bill Psomas , Ioannis Kakogeorgiou , Konstantinos Karantzalos , Yannis Avrithis

Pooling specimens, a well-accepted sampling strategy in biomedical research, can be applied to reduce the cost of studying biomarkers. Even if the cost of a single assay is not a major restriction in evaluating biomarkers, pooling can be a…

应用统计 · 统计学 2012-03-01 Enrique F. Schisterman , Albert Vexler , Aijun Ye , Neil J. Perkins

Aggregating context information from multiple scales has been proved to be effective for improving accuracy of Single Shot Detectors (SSDs) on object detection. However, existing multi-scale context fusion techniques are computationally…

计算机视觉与模式识别 · 计算机科学 2017-12-11 Yunpeng Chen , Jianshu Li , Bin Zhou , Jiashi Feng , Shuicheng Yan

Pooling is one of the main elements in convolutional neural networks. The pooling reduces the size of the feature map, enabling training and testing with a limited amount of computation. This paper proposes a new pooling method named…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Junhyuk Hyun , Hongje Seong , Euntai Kim

It is well known that attention mechanisms can effectively improve the performance of many CNNs including object detectors. Instead of refining feature maps prevalently, we reduce the prohibitive computational complexity by a novel attempt…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Hefei Ling , Yangyang Qin , Li Zhang , Yuxuan Shi , Ping Li

Spatial pooling has been proven highly effective in capturing long-range contextual information for pixel-wise prediction tasks, such as scene parsing. In this paper, beyond conventional spatial pooling that usually has a regular shape of…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Qibin Hou , Li Zhang , Ming-Ming Cheng , Jiashi Feng

Salient Object Detection (SOD) methods can locate objects that stand out in an image, assign higher values to their pixels in a saliency map, and binarize the map outputting a predicted segmentation mask. A recent tendency is to investigate…

Existing RGB-D salient object detection (SOD) approaches concentrate on the cross-modal fusion between the RGB stream and the depth stream. They do not deeply explore the effect of the depth map itself. In this work, we design a single…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Xiaoqi Zhao , Lihe Zhang , Youwei Pang , Huchuan Lu , Lei Zhang

An analysis of different techniques for recognizing and detecting objects under extreme scale variation is presented. Scale specific and scale invariant design of detectors are compared by training them with different configurations of…

计算机视觉与模式识别 · 计算机科学 2018-05-28 Bharat Singh , Larry S. Davis

Weakly supervised object detection (WSOD), which is an effective way to train an object detection model using only image-level annotations, has attracted considerable attention from researchers. However, most of the existing methods, which…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Ze Chen , Zhihang Fu , Jianqiang Huang , Mingyuan Tao , Rongxin Jiang , Xiang Tian , Yaowu Chen , Xian-sheng Hua

Scale variation across object instances remains a key challenge in object detection task. Despite the remarkable progress made by modern detection models, this challenge is particularly evident in the semi-supervised case. While existing…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Liang Liu , Boshen Zhang , Jiangning Zhang , Wuhao Zhang , Zhenye Gan , Guanzhong Tian , Wenbing Zhu , Yabiao Wang , Chengjie Wang

Despite the powerful feature extraction capability of Convolutional Neural Networks, there are still some challenges in saliency detection. In this paper, we focus on two aspects of challenges: i) Since salient objects appear in various…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Mehrdad Noori , Sina Mohammadi , Sina Ghofrani Majelan , Ali Bahri , Mohammad Havaei

Semantic objects are unevenly distributed over images. In this paper, we study the spatial disequilibrium problem of modern object detectors and propose to quantify this ``spatial bias'' by measuring the detection performance over zones.…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Zhaohui Zheng , Yuming Chen , Qibin Hou , Xiang Li , Ming-Ming Cheng

Accurate 3D object detection in large-scale outdoor scenes, characterized by considerable variations in object scales, necessitates features rich in both long-range and fine-grained information. While recent detectors have utilized…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Jianan Li , Shaocong Dong , Lihe Ding , Tingfa Xu

Small objects have relatively low resolution, the unobvious visual features which are difficult to be extracted, so the existing object detection methods cannot effectively detect small objects, and the detection speed and stability are…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Qingcai Wang , Hao Zhang , Xianggong Hong , Qinqin Zhou