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Implicit Neural Representations (INRs) have revolutionized signal processing and computer vision by modeling signals as continuous, differentiable functions parameterized by neural networks. However, INRs are prone to the spectral bias…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Ali Haider , Muhammad Salman Ali , Maryam Qamar , Tahir Khalil , Soo Ye Kim , Jihyong Oh , Enzo Tartaglione , Sung-Ho Bae

Super-resolution of LiDAR range images is crucial to improving many downstream tasks such as object detection, recognition, and tracking. While deep learning has made a remarkable advances in super-resolution techniques, typical…

机器人学 · 计算机科学 2022-03-15 Youngsun Kwon , Minhyuk Sung , Sung-Eui Yoon

The use of low-resolution images adopting more relaxed acquisition conditions such as mobile phones and surveillance videos is becoming increasingly common in iris recognition nowadays. Concurrently, a great variety of single image…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Eduardo Ribeiro , Andreas Uhl , Fernando Alonso-Fernandez

Cross-view geo-localization is to spot images of the same geographic target from different platforms, e.g., drone-view cameras and satellites. It is challenging in the large visual appearance changes caused by extreme viewpoint variations.…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Tingyu Wang , Zhedong Zheng , Chenggang Yan , Jiyong Zhang , Yaoqi Sun , Bolun Zheng , Yi Yang

Iris segmentation is a critical component of an iris biometric system and it involves extracting the annular iris region from an ocular image. In this work, we develop a pixel-level iris segmentation model from a foundational model, viz.,…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Parisa Farmanifard , Arun Ross

Referring image segmentation (RIS) aims to segment objects in an image conditioning on free-from text descriptions. Despite the overwhelming progress, it still remains challenging for current approaches to perform well on cases with various…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Yajie Liu , Pu Ge , Haoxiang Ma , Shichao Fan , Qingjie Liu , Di Huang , Yunhong Wang

A new high-precision eye-tracking method has been demonstrated recently by tracking the motion of iris features rather than by exploiting pupil edges. While the method provides high precision, it suffers from temporal drift, an inability to…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Aayush K. Chaudhary , Jeff B. Pelz

Face parsing is defined as the per-pixel labeling of images containing human faces. The labels are defined to identify key facial regions like eyes, lips, nose, hair, etc. In this work, we make use of the structural consistency of the human…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Mausoom Sarkar , Nikitha SR , Mayur Hemani , Rishabh Jain , Balaji Krishnamurthy

Medical image segmentation remains challenging due to the vast diversity of anatomical structures, imaging modalities, and segmentation tasks. While deep learning has made significant advances, current approaches struggle to generalize as…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yunhe Gao , Di Liu , Zhuowei Li , Yunsheng Li , Dongdong Chen , Mu Zhou , Dimitris N. Metaxas

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…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Anthony Ortiz , Caleb Robinson , Dan Morris , Olac Fuentes , Christopher Kiekintveld , Md Mahmudulla Hassan , Nebojsa Jojic

Real-time, accurate, and robust pupil detection is an essential prerequisite for pervasive video-based eye-tracking. However, automated pupil detection in real-world scenarios has proven to be an intricate challenge due to fast illumination…

计算机视觉与模式识别 · 计算机科学 2016-01-20 Wolfgang Fuhl , Thiago Santini , Gjergji Kasneci , Enkelejda Kasneci

In this paper, we are interested in iris biometric applications. More precisely, our contribution consists in designing both a pupil detection and a tracking procedure from video sequences acquired by low-cost webcams. The novelty of our…

图像与视频处理 · 电气工程与系统科学 2020-02-27 Nedra Benletaief , Amel Benazza-Benyahia , Stephane Derrode

In this work we test the ability of deep learning methods to provide an end-to-end mapping between low and high resolution images applying it to the iris recognition problem. Here, we propose the use of two deep learning single-image…

图像与视频处理 · 电气工程与系统科学 2023-11-03 Eduardo Ribeiro , Andreas Uhl , Fernando Alonso-Fernandez , Reuben A. Farrugia

Implicit Neural representations (INRs) are widely used for scientific data reduction and visualization by modeling the function that maps a spatial location to a data value. Without any prior knowledge about the spatial distribution of…

图形学 · 计算机科学 2024-02-22 Haoyu Li , Han-Wei Shen

Image Splicing Localization (ISL) is a fundamental yet challenging task in digital forensics. Although current approaches have achieved promising performance, the edge information is insufficiently exploited, resulting in poor integrality…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Yakun Niu , Pei Chen , Lei Zhang , Hongjian Yin , Qi Chang

A new approach in iris recognition based on Circular Fuzzy Iris Segmentation (CFIS) and Gabor Analytic Iris Texture Binary Encoder (GAITBE) is proposed and tested here. CFIS procedure is designed to guarantee that similar iris segments will…

计算机视觉与模式识别 · 计算机科学 2011-07-15 Nicolaie Popescu-Bodorin

In this study the authors will look at the detection and segmentation of the iris and its influence on the overall performance of the iris-biometric tool chain. The authors will examine whether the segmentation accuracy, based on…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Heinz Hofbauer , Fernando Alonso-Fernandez , Josef Bigun , Andreas Uhl

Existing frameworks for image stitching often provide visually reasonable stitchings. However, they suffer from blurry artifacts and disparities in illumination, depth level, etc. Although the recent learning-based stitchings relax such…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Minsu Kim , Jaewon Lee , Byeonghun Lee , Sunghoon Im , Kyong Hwan Jin

Existing Referring Image Segmentation (RIS) methods typically require expensive pixel-level or box-level annotations for supervision. In this paper, we observe that the referring texts used in RIS already provide sufficient information to…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Fang Liu , Yuhao Liu , Yuqiu Kong , Ke Xu , Lihe Zhang , Baocai Yin , Gerhard Hancke , Rynson Lau

This work examines the use of a fully convolutional net (FCN) to find an image segment, given a pixel within this segment region. The net receives an image, a point in the image and a region of interest (RoI ) mask. The net output is a…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Sagi Eppel