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Downsampling images and labels, often necessitated by limited resources or to expedite network training, leads to the loss of small objects and thin boundaries. This undermines the segmentation network's capacity to interpret images…

图像与视频处理 · 电气工程与系统科学 2024-10-27 Shahzad Ali , Yu Rim Lee , Soo Young Park , Won Young Tak , Soon Ki Jung

Detecting lesions in Computed Tomography (CT) scans is a challenging task in medical image processing due to the diverse types, sizes, and locations of lesions. Recently, various one-stage and two-stage framework networks have been…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Di Fan , Heng Yu , Zhiyuan Xu

This paper presents a generalized and robust face manipulation detection method based on the edge region features appearing in images. Most contemporary face synthesis processes include color awkwardness reduction but damage the natural…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Dong-Keon Kim , Kwangsu Kim

Guided image filter is a well-known local filter in image processing. However, the presence of halo artifacts is a common issue associated with this type of filter. This paper proposes an algorithm that utilizes gradient information to…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Bo Wang , Yihong Wang , Xiubao Sui , Yuan Liu , Qian Chen

Scale-invariance, good localization and robustness to noise and distortions are the main properties that a local feature detector should possess. Most existing local feature detectors find excessive unstable feature points that increase the…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Morteza Ghahremani , Yonghuai Liu , Bernard Tiddeman

In this study, we tackle the challenging fine-grained edge detection task, which refers to predicting specific edges caused by reflectance, illumination, normal, and depth changes, respectively. Prior methods exploit multi-scale…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Shaocong Xu , Xiaoxue Chen , Yuhang Zheng , Guyue Zhou , Yurong Chen , Hongbin Zha , Hao Zhao

We show that mass measurements for new particles appearing in decay chains can be improved by determining the boundary of the available phase space in its full dimensionality rather than by using one-dimensional kinematic features for each…

高能物理 - 唯象学 · 物理学 2014-02-05 Prateek Agrawal , Can Kilic , Craig White , Jiang-Hao Yu

This study introduces a novel unsupervised medical image feature extraction method that employs spatial stratification techniques. An objective function based on weight is proposed to achieve the purpose of fast image recognition. The…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

3D object detection from monocular image(s) is a challenging and long-standing problem of computer vision. To combine information from different perspectives without troublesome 2D instance tracking, recent methods tend to aggregate…

计算机视觉与模式识别 · 计算机科学 2022-09-01 Jianlin Liu , Zhuofei Huang , Dihe Huang , Shang Xu , Ying Chen , Yong Liu

Feature matching is an important technique to identify a single object in different images. It helps machines to construct recognition of a specific object from multiple perspectives. For years, feature matching has been commonly used in…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Hang Zhu , Zihao Wang

Collider events with multi-stage cascade decays fill out the kinematically allowed region in phase space with a density that is enhanced at the boundary. The boundary encodes all available information about the spectrum and is well…

高能物理 - 唯象学 · 物理学 2017-03-08 Baris Altunkaynak , Can Kilic , Matthew D. Klimek

Background: Dermoscopy is one of the major imaging modalities used in the diagnosis of melanoma and other pigmented skin lesions. Due to the difficulty and subjectivity of human interpretation, computerized analysis of dermoscopy images has…

计算机视觉与模式识别 · 计算机科学 2010-11-13 M. Emre Celebi , Hitoshi Iyatomi , Gerald Schaefer , William V. Stoecker

We propose a novel approach to anomaly detection called Curvature Anomaly Detection (CAD) and Kernel CAD based on the idea of polyhedron curvature. Using the nearest neighbors for a point, we consider every data point as the vertex of a…

机器学习 · 计算机科学 2020-05-14 Benyamin Ghojogh , Fakhri Karray , Mark Crowley

In this paper, we propose novel edge and corner detection algorithms for unorganized point clouds. Our edge detection method evaluates symmetry in a local neighborhood and uses an adaptive density based threshold to differentiate 3D edge…

计算机视觉与模式识别 · 计算机科学 2018-09-28 Syeda Mariam Ahmed , Yan Zhi Tan , Chee Meng Chew , Abdullah Al Mamun , Fook Seng Wong

Edge modes of a finite-size woodpile can appear within a complete bandgap on an <010> edge. The mode area is as small as 0.066 squared half-in-vacuum-wavelengths, and the propagation loss is small. The field maxima occur at a…

光学 · 物理学 2015-06-05 Shu-Yu Su , Tomoyuki Yoshie

Monocular Depth Estimation (MDE) is a fundamental problem in computer vision with numerous applications. Recently, LIDAR-supervised methods have achieved remarkable per-pixel depth accuracy in outdoor scenes. However, significant errors are…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Lior Talker , Aviad Cohen , Erez Yosef , Alexandra Dana , Michael Dinerstein

Compacting orthogonal drawings is a challenging task. Usually algorithms try to compute drawings with small area or edge length while preserving the underlying orthogonal shape. We present a one-dimensional compaction algorithm that alters…

数据结构与算法 · 计算机科学 2017-06-21 Michael Jünger , Petra Mutzel , Christiane Spisla

The goal of anomaly detection is to identify examples that deviate from normal or expected behavior. We tackle this problem for images. We consider a two-phase approach. First, using normal examples, a convolutional autoencoder (CAE) is…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Natasa Sarafijanovic-Djukic , Jesse Davis

In this paper, we propose a novel image forgery detection paradigm for boosting the model learning capacity on both forgery-sensitive and genuine compact visual patterns. Compared to the existing methods that only focus on the…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Zenan Shi , Haipeng Chen , Long Chen , Dong Zhang

Texture classification is one of the problems which has been paid much attention on by computer scientists since late 90s. If texture classification is done correctly and accurately, it can be used in many cases such as Pattern recognition,…

计算机视觉与模式识别 · 计算机科学 2012-03-23 Shervan Fekri Ershad