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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

A novel methodology for gender classification is presented in this paper. It extracts feature from local region of a face using gray color intensity difference. The facial area is divided into sub-regions and GDP histogram extracted from…

计算机视觉与模式识别 · 计算机科学 2013-10-28 Mohammad shahidul Islam

Unsupervised domain adaptation for object detection is a challenging problem with many real-world applications. Unfortunately, it has received much less attention than supervised object detection. Models that try to address this task tend…

计算机视觉与模式识别 · 计算机科学 2021-06-11 Hongsong Wang , Shengcai Liao , Ling Shao

One of the major open problems in computer vision is detection of features in visually impaired images. In this paper, we describe a potential solution using Phase Stretch Transform, a new computational approach for image analysis, edge…

计算机视觉与模式识别 · 计算机科学 2017-06-16 Madhuri Suthar , Mohammad Asghari , Bahram Jalali

The internet is filled with fake face images and videos synthesized by deep generative models. These realistic DeepFakes pose a challenge to determine the authenticity of multimedia content. As countermeasures, artifact-based detection…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Gaojian Wang , Qian Jiang , Xin Jin , Xiaohui Cui

Pathologists need to combine information from differently stained pathology slices for accurate diagnosis. Deformable image registration is a necessary technique for fusing multi-modal pathology slices. This paper proposes a hybrid deep…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Chulong Zhang , Yuming Jiang , Na Li , Zhicheng Zhang , Md Tauhidul Islam , Jingjing Dai , Lin Liu , Wenfeng He , Wenjian Qin , Jing Xiong , Yaoqin Xie , Xiaokun Liang

Intrinsic image decomposition aims to factorize an image into albedo (reflectance) and shading (illumination) sub-components. Being ill-posed and under-constrained, it is a very challenging computer vision problem. There are infinite pairs…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Anil S. Baslamisli , Theo Gevers

Dynamic facial expression recognition has many useful applications in social networks, multimedia content analysis, security systems and others. This challenging process must be done under recurrent problems of image illumination and low…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Ali Raza Shahid , Sheheryar Khan , Hong Yan

Images can vary according to changes in viewpoint, resolution, noise, and illumination. In this paper, we aim to learn representations for an image, which are robust to wide changes in such environmental conditions, using training pairs of…

计算机视觉与模式识别 · 计算机科学 2013-01-17 Kye-Hyeon Kim , Rui Cai , Lei Zhang , Seungjin Choi

Image feature points are detected as pixels which locally maximize a detector function, two commonly used examples of which are the (Euclidean) image gradient and the Harris-Stephens corner detector. A major limitation of these feature…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Stanley L. Tuznik , Peter J. Olver , Allen Tannenbaum

We propose a neural network model to estimate the current frame from two reference frames, using affine transformation and adaptive spatially-varying filters. The estimated affine transformation allows for using shorter filters compared to…

图像与视频处理 · 电气工程与系统科学 2021-02-18 Hyomin Choi , Ivan V. Bajić

Digital images nowadays have various styles of appearance, in the aspects of color tones, contrast, vignetting, and etc. These 'picture styles' are directly related to the scene radiance, image pipeline of the camera, and post processing…

计算机视觉与模式识别 · 计算机科学 2014-05-30 Zhenyu Guo , Z. Jane Wang

Image feature matching plays a vital role in many computer vision tasks. Although many image feature detection and matching techniques have been proposed over the past few decades, it is still time-consuming to match feature points in two…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Chin-Hung Teng , Ben-Jian Dong

Characterizing noisy or ancient documents is a challenging problem up to now. Many techniques have been done in order to effectuate feature extraction and image indexation for such documents. Global approaches are in general less robust and…

计算机视觉与模式识别 · 计算机科学 2013-08-30 Nizar Zaghden , Remy Mullot , Mohamed Adel Alimi

Most approaches to large-scale image retrieval are based on the construction of the inverted index of local image descriptors or visual words. A search in such an index usually results in a large number of candidates. This list of…

计算机视觉与模式识别 · 计算机科学 2016-03-22 Sergei Fedorov , Olga Kacher

Methods that combine local and global features have recently shown excellent performance on multiple challenging deep image retrieval benchmarks, but their use of local features raises at least two issues. First, these local features simply…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Philippe Weinzaepfel , Thomas Lucas , Diane Larlus , Yannis Kalantidis

Deep learning with Convolutional Neural Networks has shown great promise in various areas of image-based classification and enhancement but is often unsuitable for predictive modeling involving non-image based features or features without…

机器学习 · 计算机科学 2020-09-02 Omid Bazgir , Ruibo Zhang , Saugato Rahman Dhruba , Raziur Rahman , Souparno Ghosh , Ranadip Pal

Low resolution fine-grained classification has widespread applicability for applications where data is captured at a distance such as surveillance and mobile photography. While fine-grained classification with high resolution images has…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Maneet Singh , Shruti Nagpal , Mayank Vatsa , Richa Singh

Image forgery localization aims to identify forged regions by capturing subtle traces from high-quality discriminative features. In this paper, we propose a Transformer-style network with two feature extraction branches for image forgery…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Yaqi Liu , Binbin Lv , Xin Jin , Xiaoyu Chen , Xiaokun Zhang

Object recognition is an important problem in computer vision, having diverse applications. In this work, we construct an end-to-end scene recognition pipeline consisting of feature extraction, encoding, pooling and classification. Our…

计算机视觉与模式识别 · 计算机科学 2017-02-23 Jobin Wilson , Muhammad Arif