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Few-shot object detection (FSOD) helps detectors adapt to unseen classes with few training instances, and is useful when manual annotation is time-consuming or data acquisition is limited. Unlike previous attempts that exploit few-shot…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Jiaxi Wu , Songtao Liu , Di Huang , Yunhong Wang

Skin lesion detection in dermoscopic images is essential in the accurate and early diagnosis of skin cancer by a computerized apparatus. Current skin lesion segmentation approaches show poor performance in challenging circumstances such as…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Pourya Shamsolmoali , Masoumeh Zareapoor , Eric Granger , Huiyu Zhou

This paper aims at providing multi-source remote sensing images registered in geometric space for image fusion. Focusing on the characteristics and differences of multi-source remote sensing images, a feature-based registration algorithm is…

图像与视频处理 · 电气工程与系统科学 2021-04-27 Chenzhong Gao , Wei Li

In this paper, we propose a method for keypoint discovery from a 2D image using image-level supervision. Recent works on unsupervised keypoint discovery reliably discover keypoints of aligned instances. However, when the target instances…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Serim Ryou , Pietro Perona

In this letter, a fast Fourier transform (FFT)-enhanced low-complexity super-resolution sensing algorithm for near-field source localization with both angle and range estimation is proposed. Most traditional near-field source localization…

信号处理 · 电气工程与系统科学 2024-11-26 Yuxiao Wu , Huizhi Wang , Yong Zeng

Existing multi-focus image fusion (MFIF) methods often fail to preserve the uncertain transition region and detect small focus areas within large defocused regions accurately. To address this issue, this study proposes a new…

计算机视觉与模式识别 · 计算机科学 2024-02-01 Xilai Li , Xiaosong Li , Haishu Tan , Jinyang Li

Multimodal 3D object detection based on deep neural networks has indeed made significant progress. However, it still faces challenges due to the misalignment of scale and spatial information between features extracted from 2D images and…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Bonan Ding , Jin Xie , Jing Nie , Jiale Cao

Based on fixed point theory, this paper proposes a new scheme for image integrity authentication, which is different from Digital Signature and Fragile Watermarking. A realization of the new scheme is given based on Gaussian Convolution and…

密码学与安全 · 计算机科学 2013-08-06 Xu Li , Xingming Sun , Quansheng Liu

We investigate the problem of automatically determining what type of shoe left an impression found at a crime scene. This recognition problem is made difficult by the variability in types of crime scene evidence (ranging from traces of dust…

计算机视觉与模式识别 · 计算机科学 2019-02-18 Bailey Kong , James Supancic , Deva Ramanan , Charless C. Fowlkes

Image identification is one of the most challenging tasks in different areas of computer vision. Scale-invariant feature transform is an algorithm to detect and describe local features in images to further use them as an image matching…

计算机视觉与模式识别 · 计算机科学 2018-03-15 Ebrahim Karami , Mohamed Shehata , Andrew Smith

Finding local features that are repeatable across multiple views is a cornerstone of sparse 3D reconstruction. The classical image matching paradigm detects keypoints per-image once and for all, which can yield poorly-localized features and…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Philipp Lindenberger , Paul-Edouard Sarlin , Viktor Larsson , Marc Pollefeys

Dynamic feature selection (DFS) is a machine learning framework in which features are acquired sequentially for individual samples under budget constraints. The exponential growth in the number of possible feature acquisition paths forces a…

机器学习 · 计算机科学 2026-05-13 Javier Fumanal-Idocin , Raquel Fernandez-Peralta , Javier Andreu-Perez

State-of-the-art (SoTA) models have improved the accuracy of object detection with a large margin via a FP (feature pyramid). FP is a top-down aggregation to collect semantically strong features to improve scale invariance in both two-stage…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Ping-Yang Chen , Jun-Wei Hsieh , Chien-Yao Wang , Hong-Yuan Mark Liao , Munkhjargal Gochoo

Early fault detection (EFD) of rotating machines is important to decrease the maintenance cost and improve the mechanical system stability. One of the key points of EFD is developing a generic model to extract robust and discriminative…

机器学习 · 计算机科学 2023-03-01 Wenbin Song , Di Wu , Weiming Shen , Benoit Boulet

Topological features play an essential role in ensuring geometric plausibility and structural consistency in image analysis tasks such as segmentation and skeletonization. However, integrating topology-preserving learning based on simple…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Wenxiao Li , Faqiang Wang , Yuping Duan , Li Cui , Liqiang Zhang , Jun Liu

The performance of face detectors has been largely improved with the development of convolutional neural network. However, it remains challenging for face detectors to detect tiny, occluded or blurry faces. Besides, most face detectors…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Wanxin Tian , Zixuan Wang , Haifeng Shen , Weihong Deng , Yiping Meng , Binghui Chen , Xiubao Zhang , Yuan Zhao , Xiehe Huang

In contrast to comparing faces via single exemplars, matching sets of face images increases robustness and discrimination performance. Recent image set matching approaches typically measure similarities between subspaces or manifolds, while…

计算机视觉与模式识别 · 计算机科学 2013-03-13 Conrad Sanderson , Mehrtash T. Harandi , Yongkang Wong , Brian C. Lovell

Local feature matching is essential for many applications, such as localization and 3D reconstruction. However, it is challenging to match feature points accurately in various camera viewpoints and illumination conditions. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-01-26 Yerim Jung , Nur Suriza Syazwany Binti Ahmad Nizam , Sang-Chul Lee

For most of the object detectors based on multi-scale feature maps, the shallow layers are rich in fine spatial information and thus mainly responsible for small object detection. The performance of small object detection, however, is still…

计算机视觉与模式识别 · 计算机科学 2020-02-27 Lisha Cui , Rui Ma , Pei Lv , Xiaoheng Jiang , Zhimin Gao , Bing Zhou , Mingliang Xu

The proliferation of sophisticated generative models has significantly advanced the realism of synthetic facial content, known as deepfakes, raising serious concerns about digital trust. Although modern deep learning-based detectors perform…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Salar Adel Sabri , Ramadhan J. Mstafa