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Convolutional neural network (CNN) has led to significant progress in object detection. In order to detect the objects in various sizes, the object detectors often exploit the hierarchy of the multi-scale feature maps called feature…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Jin Hyeok Yoo , Dongsuk Kum , Jun Won Choi

We explore a new idea for learning based shape reconstruction from a point cloud, based on the recently popularized implicit neural shape representations. We cast the problem as a few-shot learning of implicit neural signed distance…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Amine Ouasfi , Adnane Boukhayma

Dermoscopy image detection stays a tough task due to the weak distinguishable property of the object.Although the deep convolution neural network signifigantly boosted the performance on prevelance computer vision tasks in recent…

计算机视觉与模式识别 · 计算机科学 2017-03-16 Hongdiao Wen

Recent works on 6D object pose estimation focus on learning keypoint correspondences between images and object models, and then determine the object pose through RANSAC-based algorithms or by directly regressing the pose with end-to-end…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Jaime Corsetti , Davide Boscaini , Fabio Poiesi

Arbitrary-oriented object detection is a relatively emerging but challenging task. Although remarkable progress has been made, there still remain many unsolved issues due to the large diversity of patterns in orientation, scale, aspect…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Peng Sun , Yongbin Zheng , Wenqi Wu , Wanying Xu , Shengjian Bai

Previous multi-view normal integration methods typically sample a single ray per pixel, without considering the spatial area covered by each pixel, which varies with camera intrinsics and the camera-to-object distance. Consequently, when…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Tongyu Yang , Heng Guo , Yasuyuki Matsushita , Fumio Okura , Yu Luo , Xin Fan

In recent years, visual tracking methods that are based on discriminative correlation filters (DCF) have been very promising. However, most of these methods suffer from a lack of robust scale estimation skills. Although a wide range of…

计算机视觉与模式识别 · 计算机科学 2020-12-14 Seyed Mojtaba Marvasti-Zadeh , Hossein Ghanei-Yakhdan , Shohreh Kasaei

Image subtraction in astronomy is a tool for transient object discovery and characterization, particularly useful in wide fields, and is well suited for moving or photometrically varying objects such as asteroids, extra-solar planets and…

天体物理仪器与方法 · 物理学 2013-01-09 Steven Hartung

In many real-world problems, collecting a large number of labeled samples is infeasible. Few-shot learning (FSL) is the dominant approach to address this issue, where the objective is to quickly adapt to novel categories in presence of a…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Mamshad Nayeem Rizve , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

While different variants of perceptual losses have been employed in super-resolution literature to synthesize more realistic, appealing, and detailed high-resolution images, most are convolutional neural networks-based, causing information…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Shoaib Meraj Sami , Md Mahedi Hasan , Mohammad Saeed Ebrahimi Saadabadi , Jeremy Dawson , Nasser Nasrabadi , Raghuveer Rao

In recent years, the detection of infrared small targets using deep learning methods has garnered substantial attention due to notable advancements. To improve the detection capability of small targets, these methods commonly maintain a…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Qianchen Mao , Qiang Li , Bingshu Wang , Yongjun Zhang , Tao Dai , C. L. Philip Chen

To exploit the advantageous properties of isogeometric analysis (IGA) in a scan-based setting, it is important to extract a smooth geometric domain from the scan data (e.g., voxel data). IGA-suitable domains can be constructed by…

数值分析 · 数学 2022-02-23 S. C. Divi , C. V. Verhoosel , F. Auricchio , A. Reali , E. H. van Brummelen

In remote sensing, it is often challenging to acquire or collect a large dataset that is accurately labeled. This difficulty is usually due to several issues, including but not limited to the study site's spatial area and accessibility,…

图像与视频处理 · 电气工程与系统科学 2020-03-09 Susan Meerdink , James Bocinsky , Alina Zare , Nicholas Kroeger , Connor McCurley , Daniel Shats , Paul Gader

Scatter processes of photons lead to blurring of images. Multiple scatter can usually be described by one Gaussian convolution kernel. This can be a crude approximation and we need a linear combination of 2/3 Gaussian kernels to account for…

数据分析、统计与概率 · 物理学 2011-09-20 Waldemar Ulmer

Detecting ships in synthetic aperture radar (SAR) images is challenging due to strong speckle noise, complex surroundings, and varying scales. This paper proposes MLDet, a multitask learning framework for SAR ship detection, consisting of…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Ming Zhao , Xin Zhang , André Kaup

To understand the scientific imaging capability, one must characterize the intra-pixel sensitivity variation (IPSV) of the CMOS image sensor. Extracting an IPSV map contributes to an improved detector calibration that allows to eliminate…

天体物理仪器与方法 · 物理学 2018-01-11 Swaraj Mahato , J. De Ridder , Guy Meynants , Gert Raskin , H. Van Winckel

In this paper, we introduce a framework for segmenting instances of a common object class by multiple active contour evolution over semantic segmentation maps of images obtained through fully convolutional networks. The contour evolution is…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Przemyslaw Polewski , Jacquelyn Shelton , Wei Yao , Marco Heurich

Small object detection under complex backgrounds remains a challenging task due to severe feature degradation, weak semantic representation, and inaccurate localization caused by downsampling operations and background interference. Existing…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Wenguang Tao , Xiaotian Wang , Tian Yan , Yi Wang , Jie Yan

Convolutional autoencoders have emerged as popular methods for unsupervised defect segmentation on image data. Most commonly, this task is performed by thresholding a pixel-wise reconstruction error based on an $\ell^p$ distance. This…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Paul Bergmann , Sindy Löwe , Michael Fauser , David Sattlegger , Carsten Steger

Single-frame infrared small target detection remains a challenge not only due to the scarcity of intrinsic target characteristics but also because of lacking a public dataset. In this paper, we first contribute an open dataset with…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Yimian Dai , Yiquan Wu , Fei Zhou , Kobus Barnard
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