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Image super-resolution is important in many fields, such as surveillance and remote sensing. However, infrared (IR) images normally have low resolution since the optical equipment is relatively expensive. Recently, deep learning methods…

Image and Video Processing · Electrical Eng. & Systems 2022-12-23 Yongsong Huang , Zetao Jiang , Qingzhong Wang , Qi Jiang , Guoming Pang

Texture is one of the most-studied visual attribute for image characterization since the 1960s. However, most hand-crafted descriptors are monochromatic, focusing on the gray scale images and discarding the color information. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Leonardo F. S. Scabini , Lucas C. Ribas , Odemir M. Bruno

Superpixels provide an efficient low/mid-level representation of image data, which greatly reduces the number of image primitives for subsequent vision tasks. Existing superpixel algorithms are not differentiable, making them difficult to…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Varun Jampani , Deqing Sun , Ming-Yu Liu , Ming-Hsuan Yang , Jan Kautz

During the last decade, hyperspectral images have attracted increasing interest from researchers worldwide. They provide more detailed information about an observed area and allow an accurate target detection and precise discrimination of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Asma Elmaizi , Hasna Nhaila , Elkebir Sarhrouni , Ahmed Hammouch , Nacir Chafik

Point spread function (PSF) engineering is vital for precisely controlling the focus of light in computational imaging, with applications in neural imaging, fluorescence microscopy, and biophotonics. The PSF is derived from the magnitude of…

Optics · Physics 2025-04-22 Aleksey Valouev

We present surface normal estimation using a single near infrared (NIR) image. We are focusing on fine-scale surface geometry captured with an uncalibrated light source. To tackle this ill-posed problem, we adopt a generative adversarial…

Computer Vision and Pattern Recognition · Computer Science 2016-03-25 Youngjin Yoon , Gyeongmin Choe , Namil Kim , Joon-Young Lee , In So Kweon

Nighttime stereo depth estimation is still challenging, as assumptions associated with daytime lighting conditions do not hold any longer. Nighttime is not only about low-light and dense noise, but also about glow/glare, flares, non-uniform…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Aashish Sharma , Lionel Heng , Loong-Fah Cheong , Robby T. Tan

In this paper, we tackle the problem of grasping transparent and specular objects. This issue holds importance, yet it remains unsolved within the field of robotics due to failure of recover their accurate geometry by depth cameras. For the…

Robotics · Computer Science 2025-05-27 Jun Shi , Yong A , Yixiang Jin , Dingzhe Li , Haoyu Niu , Zhezhu Jin , He Wang

Image deblurring remains a central research area within image processing, critical for its role in enhancing image quality and facilitating clearer visual representations across diverse applications. This paper tackles the optimization…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Qingsong Wang , Shengze Xu , Xiaojiao Tong , Tieyong Zeng

Estimating shape and appearance of a three dimensional object from a given set of images is a classic research topic that is still actively pursued. Among the various techniques available, PS is distinguished by the assumption that the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-02 Georg Radow , Laurent Hoeltgen , Yvain Quéau , Michael Breuß

Several applications require the super-resolution of noisy images and the preservation of geometrical and texture features. State-of-the-art super-resolution methods do not account for noise and generally enhance the output image's…

Image and Video Processing · Electrical Eng. & Systems 2023-11-07 Simone Cammarasana , Giuseppe Patanè

Ultrasound imaging systems rely on accurate point spread function (PSF) estimation to support advanced image quality enhancement techniques such as deconvolution and speckle reduction. Phase aberration, caused by sound speed inhomogeneity…

Signal Processing · Electrical Eng. & Systems 2025-02-24 Wei-Hsiang Shen , Yu-An Lin , Meng-Lin Li

Deep neural networks have achieved remarkable success in the field of image search. However, the state-of-the-art algorithms are trained and tested for natural images captured with ordinary cameras. In this paper, we aim to explore a new…

Computer Vision and Pattern Recognition · Computer Science 2018-05-24 Xi Yang , Xinbo Gao , Bin Song , Nannan Wang , Dong Yang

Computer-generated graphics (CGs) are images generated by computer software. The~rapid development of computer graphics technologies has made it easier to generate photorealistic computer graphics, and these graphics are quite difficult to…

Multimedia · Computer Science 2018-04-26 Ye Yao , Weitong Hu , Wei Zhang , Ting Wu , Yun-Qing Shi

With advancement in deep neural network (DNN), recent state-of-the-art (SOTA) image superresolution (SR) methods have achieved impressive performance using deep residual network with dense skip connections. While these models perform well…

Image and Video Processing · Electrical Eng. & Systems 2021-01-25 Zhihong Pan , Baopu Li , Teng Xi , Yanwen Fan , Gang Zhang , Jingtuo Liu , Junyu Han , Errui Ding

Despite stereo matching accuracy has greatly improved by deep learning in the last few years, recovering sharp boundaries and high-resolution outputs efficiently remains challenging. In this paper, we propose Stereo Mixture Density Networks…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Fabio Tosi , Yiyi Liao , Carolin Schmitt , Andreas Geiger

Region-adaptive normalization (RAN) methods have been widely used in the generative adversarial network (GAN)-based image-to-image translation technique. However, since these approaches need a mask image to infer the pixel-wise affine…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Yoon-Jae Yeo , Min-Cheol Sagong , Seung Park , Sung-Jea Ko , Yong-Goo Shin

Deep Metric Learning (DML) is helpful in computer vision tasks. In this paper, we firstly introduce DML into image co-segmentation. We propose a novel Triplet loss for Image Segmentation, called IS-Triplet loss for short, and combine it…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Zhengwen Li , Xiabi Liu

In the past few years, the Generative Adversarial Network (GAN) which proposed in 2014 has achieved great success. GAN has achieved many research results in the field of computer vision and natural language processing. Image steganography…

Cryptography and Security · Computer Science 2019-07-04 Jia Liu , Yan Ke , Yu Lei , Zhuo Zhang , Jun Li , Peng Luo , Minqing Zhang , Xiaoyuan Yang

We present a modern solution to the multi-view photometric stereo problem (MVPS). Our work suitably exploits the image formation model in a MVPS experimental setup to recover the dense 3D reconstruction of an object from images. We procure…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Berk Kaya , Suryansh Kumar , Francesco Sarno , Vittorio Ferrari , Luc Van Gool