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Learning good feature embeddings for images often requires substantial training data. As a consequence, in settings where training data is limited (e.g., few-shot and zero-shot learning), we are typically forced to use a generic feature…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Xin Wang , Fisher Yu , Ruth Wang , Trevor Darrell , Joseph E. Gonzalez

An essential ingredient of a spectral method is the choice of suitable bases for test and trial spaces. On complex domains, these bases are harder to devise, necessitating the use of domain partitioning techniques such as the spectral…

数值分析 · 数学 2021-11-17 Saad Qadeer , Ehssan Nazockdast , Boyce E. Griffith

Underwater imaging often suffers from low quality due to factors affecting light propagation and absorption in water. To improve image quality, some underwater image enhancement (UIE) methods based on convolutional neural networks (CNN) and…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Meisheng Guan , Haiyong Xu , Gangyi Jiang , Mei Yu , Yeyao Chen , Ting Luo , Yang Song

We present a new encoder-decoder Vision Transformer architecture, Patcher, for medical image segmentation. Unlike standard Vision Transformers, it employs Patcher blocks that segment an image into large patches, each of which is further…

图像与视频处理 · 电气工程与系统科学 2023-05-31 Yanglan Ou , Ye Yuan , Xiaolei Huang , Stephen T. C. Wong , John Volpi , James Z. Wang , Kelvin Wong

Joint understanding of video and language is an active research area with many applications. Prior work in this domain typically relies on learning text-video embeddings. One difficulty with this approach, however, is the lack of…

计算机视觉与模式识别 · 计算机科学 2020-01-17 Antoine Miech , Ivan Laptev , Josef Sivic

Recent self-supervised learning (SSL) methods have shown impressive results in learning visual representations from unlabeled images. This paper aims to improve their performance further by utilizing the architectural advantages of the…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Sukmin Yun , Hankook Lee , Jaehyung Kim , Jinwoo Shin

Image steganography is the art of hiding secret message in grayscale or color images. Easy detection of secret message for any state-of-art image steganography can break the stego system. To prevent the breakdown of the stego system data is…

多媒体 · 计算机科学 2022-01-05 Soumendu Chakraborty , Anand Singh Jalal , Charul Bhatnagar

Traditional transformer-based semantic segmentation relies on quantized embeddings. However, our analysis reveals that autoencoder accuracy on segmentation mask using quantized embeddings (e.g. VQ-VAE) is 8% lower than continuous-valued…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Masud Ahmed , Zahid Hasan , Syed Arefinul Haque , Abu Zaher Md Faridee , Sanjay Purushotham , Suya You , Nirmalya Roy

Photographing optoelectronic displays often introduces unwanted moir\'e patterns due to analog signal interference between the pixel grids of the display and the camera sensor arrays. This work identifies two problems that are largely…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Jinming Cao , Sicheng Shen , Qiu Zhou , Yifang Yin , Yangyan Li , Roger Zimmermann

Fisheye image rectification aims to correct distortions in images taken with fisheye cameras. Although current models show promising results on images with a similar degree of distortion as the training data, they will produce sub-optimal…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Pengbo Guo , Chengxu Liu , Xingsong Hou , Xueming Qian

As demand for robotics manipulation application increases, accurate vision-based 6D pose estimation becomes essential for autonomous operations. Convolutional Neural Networks (CNNs) based approaches for pose estimation have been previously…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Mahmoud Abdulsalam , Nabil Aouf

Reliable depth estimation from spherical images is crucial for 360{\deg} vision in robotic navigation and immersive scene understanding. However, the onboard spherical camera can experience unintentional pose variations in real-world…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Soulayma Gazzeh , Giuseppe Mazzola , Liliana Lo Presti , Marco La Cascia

In multimedia understanding tasks, corrupted samples pose a critical challenge, because when fed to machine learning models they lead to performance degradation. In the past, three groups of approaches have been proposed to handle noisy…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Francesco Barbato , Umberto Michieli , Mehmet Kerim Yucel , Pietro Zanuttigh , Mete Ozay

Retinal vessel segmentation, as a principal nonintrusive diagnose method for ophthalmology diseases or diabetics, suffers from data scarcity due to requiring pixel-wise labels. In this paper, we proposed a convenient patch-based two-stage…

图像与视频处理 · 电气工程与系统科学 2019-06-21 Chengzhi Shi , Jihong Liu , Dali Chen

Surround View fisheye cameras are commonly deployed in automated driving for 360\deg{} near-field sensing around the vehicle. This work presents a multi-task visual perception network on unrectified fisheye images to enable the vehicle to…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Varun Ravi Kumar , Senthil Yogamani , Hazem Rashed , Ganesh Sistu , Christian Witt , Isabelle Leang , Stefan Milz , Patrick Mäder

Anomaly detection without priors of the anomalies is challenging. In the field of unsupervised anomaly detection, traditional auto-encoder (AE) tends to fail based on the assumption that by training only on normal images, the model will not…

计算机视觉与模式识别 · 计算机科学 2024-08-15 Yajie Cui , Zhaoxiang Liu , Shiguo Lian

Vision Transformers have achieved great success in computer visions, delivering exceptional performance across various tasks. However, their inherent reliance on sequential input enforces the manual partitioning of images into patch…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Changzhen Li , Jie Zhang , Yang Wei , Zhilong Ji , Jinfeng Bai , Shiguang Shan

It has been shown that perfectly trained networks exhibit drastic reduction in performance when presented with distorted images. Streaming Network (STNet) is a novel architecture capable of robust classification of the distorted images…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Sergey Tarasenko

Improving the quality of underwater images is essential for advancing marine research and technology. This work introduces a sparsity-driven interpretable neural network (SINET) for the underwater image enhancement (UIE) task. Unlike pure…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Gargi Panda , Soumitra Kundu , Saumik Bhattacharya , Aurobinda Routray

Vision transformers have achieved remarkable success in computer vision tasks by using multi-head self-attention modules to capture long-range dependencies within images. However, the high inference computation cost poses a new challenge.…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Jiawei Chen , Lin Chen , Jiang Yang , Tianqi Shi , Lechao Cheng , Zunlei Feng , Mingli Song