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We propose a new contrastive objective for learning overcomplete pixel-level features that are invariant to motion blur. Other invariances (e.g., pose, illumination, or weather) can be learned by applying the corresponding transformations…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Leonid Pogorelyuk , Stefan T. Radev

Recent contrastive representation learning methods rely on estimating mutual information (MI) between multiple views of an underlying context. E.g., we can derive multiple views of a given image by applying data augmentation, or we can…

机器学习 · 计算机科学 2021-06-28 Alessandro Sordoni , Nouha Dziri , Hannes Schulz , Geoff Gordon , Phil Bachman , Remi Tachet

Multiword expressions present unique challenges in many translation tasks. In an attempt to ultimately apply a multiword expression detection system to the translation of American Sign Language, we built and tested two systems that apply…

计算与语言 · 计算机科学 2023-10-03 Lee Kezar , Aryan Shukla

A bipartite multiphoton entangled state is created through stimulated parametric down-conversion of strong laser pulses in a nonlinear crystal. It is shown how detectors that do not resolve photon number can be used to analyze such…

量子物理 · 物理学 2007-05-23 H. S. Eisenberg , G. Khoury , G. A. Durkin , C. Simon , D. Bouwmeester

Deconvolution is a fundamental inverse problem in signal processing and the prototypical model for recovering a signal from its noisy measurement. Nevertheless, the majority of model-based inversion techniques require knowledge on the…

信号处理 · 电气工程与系统科学 2020-07-23 Arttu Arjas , Lassi Roininen , Mikko J. Sillanpää , Andreas Hauptmann

Composed image retrieval (CIR) requires multi-modal models to jointly reason over visual content and semantic modifications presented in text-image input pairs. While current CIR models achieve strong performance on common benchmark cases,…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Chenchen Zhao , Jianhuan Zhuo , Muxi Chen , Zhaohua Zhang , Wenyu Jiang , Tianwen Jiang , Qiuyong Xiao , Jihong Zhang , Qiang Xu

While a traditional camera only captures one point of view of a scene, a plenoptic or light-field camera, is able to capture spatial and angular information in a single snapshot, enabling depth estimation from a single acquisition. In this…

图像与视频处理 · 电气工程与系统科学 2023-08-09 Mathieu Labussière , Céline Teulière , Omar Ait-Aider

Classification for degraded images having various levels of degradation is very important in practical applications. This paper proposes a convolutional neural network to classify degraded images by using a restoration network and an…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Kazuki Endo , Masayuki Tanaka , Masatoshi Okutomi

Conditional independence (CI) constraints are critical for defining and evaluating fairness in machine learning, as well as for learning unconfounded or causal representations. Traditional methods for ensuring fairness either blindly learn…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Jensen Hwa , Qingyu Zhao , Aditya Lahiri , Adnan Masood , Babak Salimi , Ehsan Adeli

In the Full-Reference Image Quality Assessment context, Mean Opinion Score values represent subjective evaluations based on retinal perception, while objective metrics assess the reproduced image on the display. Bridging these subjective…

图像与视频处理 · 电气工程与系统科学 2025-03-04 Paolo Giannitrapani , Elio D. Di Claudio , Giovanni Jacovitti

Recent advancements in Large Vision-Language Models (LVLMs) have significantly expanded their utility in tasks like image captioning and visual question answering. However, they still struggle with object hallucination, where models…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Yeongjae Cho , Keonwoo Kim , Taebaek Hwang , Sungzoon Cho

Coded modulation (CM) is the combination of forward error correction (FEC) and multilevel constellations. Coherent optical communication systems result in a four-dimensional (4D) signal space, which naturally leads to 4D-CM transceivers. A…

信息论 · 计算机科学 2024-01-25 Alex Alvarado , Erik Agrell

Colorization is an ambiguous problem, with multiple viable colorizations for a single grey-level image. However, previous methods only produce the single most probable colorization. Our goal is to model the diversity intrinsic to the…

计算机视觉与模式识别 · 计算机科学 2017-04-28 Aditya Deshpande , Jiajun Lu , Mao-Chuang Yeh , Min Jin Chong , David Forsyth

How can we understand classification decisions made by deep neural networks? Many existing explainability methods rely solely on correlations and fail to account for confounding, which may result in potentially misleading explanations. To…

机器学习 · 计算机科学 2020-03-02 Yash Goyal , Amir Feder , Uri Shalit , Been Kim

Visual Counterfactual Explanations (VCEs) are an important tool to understand the decisions of an image classifier. They are 'small' but 'realistic' semantic changes of the image changing the classifier decision. Current approaches for the…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Maximilian Augustin , Valentyn Boreiko , Francesco Croce , Matthias Hein

A camera begins to sense light the moment we press the shutter button. During the exposure interval, relative motion between the scene and the camera causes motion blur, a common undesirable visual artifact. This paper presents E-CIR, which…

图像与视频处理 · 电气工程与系统科学 2022-03-07 Chen Song , Qixing Huang , Chandrajit Bajaj

We propose a novel hue-correction scheme for multi-exposure image fusion (MEF). Various MEF methods have so far been studied to generate higher-quality images. However, there are few MEF methods considering hue distortion unlike other…

图像与视频处理 · 电气工程与系统科学 2020-05-07 Kouki Seo , Chihiro Go , Yuma Kinoshita , Hitoshi Kiya

Convolution-based unlearnable examples (UEs) employ class-wise multiplicative convolutional noise to training samples, severely compromising model performance. This fire-new type of UEs have successfully countered all defense mechanisms…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Minghui Li , Xianlong Wang , Zhifei Yu , Shengshan Hu , Ziqi Zhou , Longling Zhang , Leo Yu Zhang

While deep learning has led to huge progress in complex image classification tasks like ImageNet, unexpected failure modes, e.g. via spurious features, call into question how reliably these classifiers work in the wild. Furthermore, for…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Maximilian Augustin , Yannic Neuhaus , Matthias Hein

In some super-resolution techniques, adjacent points are illuminated at different times. Thereby, their locations and light intensities can be detected even if the images are very blurred due to diffraction. According to conventional…

图像与视频处理 · 电气工程与系统科学 2019-12-10 Edward Y. Sheffield