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We present a new method for face recognition from digital images acquired under varying illumination conditions. The method is based on mathematical modeling of local gradient distributions using the Radon Cumulative Distribution Transform…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Yan Zhuang , Shiying Li , Mohammad Shifat-E-Rabbi , Xuwang Yin , Abu Hasnat Mohammad Rubaiyat , Gustavo K. Rohde

Low light very likely leads to the degradation of an image's quality and even causes visual task failures. Existing image enhancement technologies are prone to overenhancement, color distortion or time consumption, and their adaptability is…

Image and Video Processing · Electrical Eng. & Systems 2022-05-17 Xiaozhou Lei , Zixiang Fei , Wenju Zhou , Huiyu Zhou , Minrui Fei

This paper presents a comparative study of two different methods, which are based on fusion and polar transformation of visual and thermal images. Here, investigation is done to handle the challenges of face recognition, which include pose…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Mrinal Kanti Bhowmik , Debotosh Bhattacharjee , Dipak Kumar Basu , Mita Nasipuri

Light field cameras have been proved to be powerful tools for 3D reconstruction and virtual reality applications. However, the limited resolution of light field images brings a lot of difficulties for further information display and…

Image and Video Processing · Electrical Eng. & Systems 2020-08-27 Qingyan Sun , Shuo Zhang , Song Chang , Lixi Zhu , Youfang Lin

The main finding of this work is that the standard image classification pipeline, which consists of dictionary learning, feature encoding, spatial pyramid pooling and linear classification, outperforms all state-of-the-art face recognition…

Computer Vision and Pattern Recognition · Computer Science 2013-10-01 Fumin Shen , Chunhua Shen

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and matching process. In…

Computer Vision and Pattern Recognition · Computer Science 2014-02-03 V. Karthikeyan , Manjupriya , C. K. Chithra , M. Divya

Recognition of low-quality face images remains a challenge due to invisible or deformation in partial facial regions. For low-quality images dominated by missing partial facial regions, local region similarity contributes more to face…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Wang Yu , Wei Wei

Face recognition is one of the most active tasks in computer vision and has been widely used in the real world. With great advances made in convolutional neural networks (CNN), lots of face recognition algorithms have achieved high accuracy…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Jiehua Zhang , Zhuo Su , Li Liu

In this work, we have presented a way to increase the contrast of an image. Our target is to find a transformation that will be image specific. We have used a fuzzy system as our transformation function. To tune the system according to an…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Mohimenul Kabir , Jaiaid Mobin , Ahmad Hassanat , M. Sohel Rahman

Image denoising is a fundamental challenge in computer vision, with applications in photography and medical imaging. While deep learning-based methods have shown remarkable success, their reliance on specific noise distributions limits…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Dongjin Kim , Jaekyun Ko , Muhammad Kashif Ali , Tae Hyun Kim

Infrared and visible image fusion (IVIF) is used to generate fusion images with comprehensive features of both images, which is beneficial for downstream vision tasks. However, current methods rarely consider the illumination condition in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Qiao Yang , Yu Zhang , Zijing Zhao , Jian Zhang , Shunli Zhang

Image-based geometric modeling and novel view synthesis based on sparse, large-baseline samplings are challenging but important tasks for emerging multimedia applications such as virtual reality and immersive telepresence. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Wenpeng Xing , Jie Chen , Zaifeng Yang , Qiang Wang

Existing research has made impressive strides in reconstructing human facial shapes and textures from images with well-illuminated faces and minimal external occlusions. Nevertheless, it remains challenging to recover accurate facial…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Tianxin Huang , Zhenyu Zhang , Ying Tai , Gim Hee Lee

Deepfake technology utilizes deep learning based face manipulation techniques to seamlessly replace faces in videos creating highly realistic but artificially generated content. Although this technology has beneficial applications in media…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Siddiqui Muhammad Yasir , Hyun Kim

With the widespread use of powerful image editing tools, image tampering becomes easy and realistic. Existing image forensic methods still face challenges of low generalization performance and robustness. In this letter, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Haochen Zhu , Gang Cao , Mo Zhao

With various facial manipulation techniques arising, face forgery detection has drawn growing attention due to security concerns. Previous works always formulate face forgery detection as a classification problem based on cross-entropy…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Ke Sun , Taiping Yao , Shen Chen , Shouhong Ding , Jilin L , Rongrong Ji

Low-light image enhancement is an important task in computer vision, essential for improving the visibility and quality of images captured in non-optimal lighting conditions. Inadequate illumination can lead to significant information loss…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Ezequiel Perez-Zarate , Oscar Ramos-Soto , Chunxiao Liu , Diego Oliva , Marco Perez-Cisneros

Active illumination is a prominent complement to enhance 2D face recognition and make it more robust, e.g., to spoofing attacks and low-light conditions. In the present work we show that it is possible to adopt active illumination to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 J. Matias Di Martino , Fernando Suzacq , Mauricio Delbracio , Qiang Qiu , Guillermo Sapiro

Low-light remote sensing images generally feature high resolution and high spatial complexity, with continuously distributed surface features in space. This continuity in scenes leads to extensive long-range correlations in spatial domains…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Zishu Yao , Guodong Fan , Jinfu Fan , Min Gan , C. L. Philip Chen

Normalization layers have been shown to improve convergence in deep neural networks, and even add useful inductive biases. In many vision applications the local spatial context of the features is important, but most common normalization…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Anthony Ortiz , Caleb Robinson , Dan Morris , Olac Fuentes , Christopher Kiekintveld , Md Mahmudulla Hassan , Nebojsa Jojic