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Out-of-focus microscopy lens in digital pathology is a critical bottleneck in high-throughput Whole Slide Image (WSI) scanning platforms, for which pixel-level automated Focus Quality Assessment (FQA) methods are highly desirable to help…

Image and Video Processing · Electrical Eng. & Systems 2020-10-02 Zhongling Wang , Mahdi S. Hosseini , Adyn Miles , Konstantinos N. Plataniotis , Zhou Wang

Convolutional neural network (CNN) models have been widely used for fault diagnosis of complex systems. However, traditional CNN models rely on small kernel filters to obtain local features from images. Thus, an excessively deep CNN is…

Systems and Control · Electrical Eng. & Systems 2022-10-05 Qiugang Lu , Saif S. S. Al-Wahaibi

Signal-quality awareness has been found to increase recognition rates and to support decisions in multisensor environments significantly. Nevertheless, automatic quality assessment is still an open issue. Here, we study the orientation…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Hartwig Fronthaler , Klaus Kollreider , Josef Bigun , Julian Fierrez , Fernando Alonso-Fernandez , Javier Ortega-Garcia , Joaquin Gonzalez-Rodriguez

In the present paper, we propose a source camera identification method for mobile devices based on deep learning. Recently, convolutional neural networks (CNNs) have shown a remarkable performance on several tasks such as image recognition,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-25 David Freire-Obregón , Fabio Narducci , Silvio Barra , Modesto Castrillón-Santana

Fingertips detection has been used in many applications, and it is very popular and commonly used in the area of Human Computer Interaction these days. This paper presents a novel time efficient method that will lead to fingertip detection…

Computer Vision and Pattern Recognition · Computer Science 2015-03-13 Jagdish Lal Raheja , Karen Das , Ankit Chaudhary

In this paper, we introduce robust and synergetic hand-crafted features and a simple but efficient deep feature from a convolutional neural network (CNN) architecture for defocus estimation. This paper systematically analyzes the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-01 Jinsun Park , Yu-Wing Tai , Donghyeon Cho , In So Kweon

Convolutional neural networks (CNNs) have demonstrated superior performance in super-resolution (SR). However, most CNN-based SR methods neglect the different importance among feature channels or fail to take full advantage of the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Yue Lu , Yun Zhou , Zhuqing Jiang , Xiaoqiang Guo , Zixuan Yang

Convolutional neural networks have become a popular research in the field of finger vein recognition because of their powerful image feature representation. However, most researchers focus on improving the performance of the network by…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Zhongxia Zhang , Mingwen Wang

Minutia-based palmprint recognition systems has got lots of interest in last two decades. Due to the large number of minutiae in a palmprint, approximately 1000 minutiae, the matching process is time consuming which makes it unpractical for…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Mohsen Ahmadi , Hossein Soleimani

CNN model is a popular method for imagery analysis, so it could be utilized to recognize handwritten digits based on MNIST datasets. For higher recognition accuracy, various CNN models with different fully connected layer sizes are…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Mengyu Chen

Small object detection remains an unsolved challenge because it is hard to extract information of small objects with only a few pixels. While scale-level corresponding detection in feature pyramid network alleviates this problem, we find…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Chunfang Deng , Mengmeng Wang , Liang Liu , Yong Liu

\begin{abstract} In recent years, the Finger Texture (FT) has attracted considerable attention as a biometric characteristic. It can provide efficient human recognition performance, because it has different human-specific features of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Raid R. O. Al-Nima , Tingting Han , Taolue Chen , Satnam Dlay , Jonathon Chambers

In this paper, a new algorithm for extracting features from sequences of multidimensional observations is presented. The independently developed Dynamic Mode Decomposition and Matrix Pencil methods provide a least-squares model-based…

Numerical Analysis · Mathematics 2018-04-20 Leonid Pogorelyuk , Clarence W. Rowley

Current finger knuckle image recognition systems, often require users to place fingers' major or minor joints flatly towards the capturing sensor. To extend these systems for user non-intrusive application scenarios, such as consumer…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Daksh Thapar , Gaurav Jaswal , Aditya Nigam

Feature representation and metric learning are two critical components in person re-identification models. In this paper, we focus on the feature representation and claim that hand-crafted histogram features can be complementary to…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Shangxuan Wu , Ying-Cong Chen , Xiang Li , An-Cong Wu , Jin-Jie You , Wei-Shi Zheng

Evaluation of large-scale fingerprint search algorithms has been limited due to lack of publicly available datasets. To address this problem, we utilize a Generative Adversarial Network (GAN) to synthesize a fingerprint dataset consisting…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Vishesh Mistry , Joshua J. Engelsma , Anil K. Jain

We present a neural network model - based on CNNs, RNNs and a novel attention mechanism - which achieves 84.2% accuracy on the challenging French Street Name Signs (FSNS) dataset, significantly outperforming the previous state of the art…

Computer Vision and Pattern Recognition · Computer Science 2017-08-22 Zbigniew Wojna , Alex Gorban , Dar-Shyang Lee , Kevin Murphy , Qian Yu , Yeqing Li , Julian Ibarz

Incorporating multi-scale features in fully convolutional neural networks (FCNs) has been a key element to achieving state-of-the-art performance on semantic image segmentation. One common way to extract multi-scale features is to feed…

Computer Vision and Pattern Recognition · Computer Science 2016-06-03 Liang-Chieh Chen , Yi Yang , Jiang Wang , Wei Xu , Alan L. Yuille

Fingerprint is an important biological feature of human body, which contains abundant gender information. At present, the academic research of fingerprint gender characteristics is generally at the level of understanding, while the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Yong Qi , Yanping Li , Huawei Lin , Jiashu Chen , Huaiguang Lei

Previous work has shown that feature maps of deep convolutional neural networks (CNNs) can be interpreted as feature representation of a particular image region. Features aggregated from these feature maps have been exploited for image…

Computer Vision and Pattern Recognition · Computer Science 2016-11-08 Jiedong Hao , Jing Dong , Wei Wang , Tieniu Tan