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Image understanding is an important research domain in the computer vision due to its wide real-world applications. For an image understanding framework that uses the Bag-of-Words model representation, the visual codebook is an essential…

计算机视觉与模式识别 · 计算机科学 2014-10-15 Wai Lam Hoo , Tae-Kyun Kim , Yuru Pei , Chee Seng Chan

Leaf image recognition techniques have been actively researched for plant species identification. However it remains unclear whether leaf patterns can provide sufficient information for cultivar recognition. This paper reports the first…

计算机视觉与模式识别 · 计算机科学 2019-10-14 Bin Wang , Yongsheng Gao , Xiaohan Yu , Xiaohui Yuan , Shengwu Xiong , Xianzhong Feng

Random forest (RF) stands out as a highly favored machine learning approach for classification problems. The effectiveness of RF hinges on two key factors: the accuracy of individual trees and the diversity among them. In this study, we…

机器学习 · 计算机科学 2024-10-28 Ye-eun Kim , Seoung Yun Kim , Hyunjoong Kim

Texture classification is a problem that has various applications such as remote sensing and forest species recognition. Solutions tend to be custom fit to the dataset used but fails to generalize. The Convolutional Neural Network (CNN) in…

计算机视觉与模式识别 · 计算机科学 2017-03-27 Hussein Adly , Mohamed Moustafa

The recent progress in sparse coding and deep learning has made unsupervised feature learning methods a strong competitor to hand-crafted descriptors. In computer vision, success stories of learned features have been predominantly reported…

计算机视觉与模式识别 · 计算机科学 2014-08-14 Wenbin Li , Mario Fritz

We propose a novel approach to enhance the discriminability of Convolutional Neural Networks (CNN). The key idea is to build a tree structure that could progressively learn fine-grained features to distinguish a subset of classes, by…

计算机视觉与模式识别 · 计算机科学 2017-09-25 Zhenhua Wang , Xingxing Wang , Gang Wang

Automated segmentation of individual leaves of a plant in an image is a prerequisite to measure more complex phenotypic traits in high-throughput phenotyping. Applying state-of-the-art machine learning approaches to tackle leaf instance…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Daniel Ward , Peyman Moghadam , Nicolas Hudson

Finding local correspondences between images with different viewpoints requires local descriptors that are robust against geometric transformations. An approach for transformation invariance is to integrate out the transformations by…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Yuan Liu , Zehong Shen , Zhixuan Lin , Sida Peng , Hujun Bao , Xiaowei Zhou

Fine-grained visual categorization (FGVC) is an important but challenging task due to high intra-class variances and low inter-class variances caused by deformation, occlusion, illumination, etc. An attention convolutional binary neural…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Ruyi Ji , Longyin Wen , Libo Zhang , Dawei Du , Yanjun Wu , Chen Zhao , Xianglong Liu , Feiyue Huang

Keypoint detection & descriptors are foundational tech-nologies for computer vision tasks like image matching, 3D reconstruction and visual odometry. Hand-engineered methods like Harris corners, SIFT, and HOG descriptors have been used for…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Pierre Gleize , Weiyao Wang , Matt Feiszli

Accurate identification of cat breeds from images is a challenging task due to subtle differences in fur patterns, facial structure, and color. In this paper, we present a deep learning-based approach for classifying cat breeds using a…

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

As a flexible nonparametric learning tool, the random forests algorithm has been widely applied to various real applications with appealing empirical performance, even in the presence of high-dimensional feature space. Unveiling the…

统计理论 · 数学 2022-09-27 Chien-Ming Chi , Patrick Vossler , Yingying Fan , Jinchi Lv

One-shot object detection aims at detecting novel objects according to merely one given instance. With extreme data scarcity, current approaches explore various feature fusions to obtain directly transferable meta-knowledge. Yet, their…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yizhou Zhao , Xun Guo , Yan Lu

The aim of fine-grained recognition is to identify sub-ordinate categories in images like different species of birds. Existing works have confirmed that, in order to capture the subtle differences across the categories, automatic…

计算机视觉与模式识别 · 计算机科学 2017-03-30 Zhiqiang Shen , Yu-Gang Jiang , Dequan Wang , Xiangyang Xue

Recently, evolutionary multitasking (EMT) has been successfully used in the field of high-dimensional classification. However, the generation of multiple tasks in the existing EMT-based feature selection (FS) methods is relatively simple,…

神经与进化计算 · 计算机科学 2022-12-20 Lingjie Li , Manlin Xuan , Qiuzhen Lin , Min Jiang , Zhong Ming , Kay Chen Tan

In this paper, we address the problem of stamp recognition. The goal is to classify a given stamp to a certain country and also identify the year it is published. We propose a new approach for stamp recognition based on describing a given…

计算机视觉与模式识别 · 计算机科学 2017-09-18 Behzad Mahaseni , Nabhan D. Salih

We investigate the scalable image classification problem with a large number of categories. Hierarchical visual data structures are helpful for improving the efficiency and performance of large-scale multi-class classification. We propose a…

计算机视觉与模式识别 · 计算机科学 2017-09-18 Yanyun Qu , Li Lin , Fumin Shen , Chang Lu , Yang Wu , Yuan Xie , Dacheng Tao

We introduce an advanced, swift pattern recognition strategy for various multiple robotics during curve negotiation. This method, leveraging a sophisticated k-means clustering-enhanced Support Vector Machine algorithm, distinctly…

机器人学 · 计算机科学 2024-05-07 Rui Liu , Xuanzhen Xu , Yuwei Shen , Armando Zhu , Chang Yu , Tianjian Chen , Ye Zhang