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We show that many perception tasks, from visual recognition, semantic segmentation, optical flow, depth estimation to vocalization discrimination, are highly redundant functions of their input data. Images or spectrograms, projected into…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Rahul Ramesh , Anthony Bisulco , Ronald W. DiTullio , Linran Wei , Vijay Balasubramanian , Kostas Daniilidis , Pratik Chaudhari

We introduce a simple non-linear embedding adaptation layer, which is fine-tuned on top of fixed pre-trained features for one-shot tasks, improving significantly transductive entropy-based inference for low-shot regimes. Our norm-induced…

机器学习 · 计算机科学 2023-04-17 Imtiaz Masud Ziko , Freddy Lecue , Ismail Ben Ayed

Image reconstruction in optoacoustic tomography (OAT) is a trending learning task highly dependent on measured physical magnitudes present at sensing time. The large number of different settings, and also the presence of uncertainties or…

图像与视频处理 · 电气工程与系统科学 2023-05-17 Matias Vera , Martin G. Gonzalez , Leonardo Rey Vega

Precision measurements of optical phases have many applications in science and technology. Entangled multi-photon states have been suggested for performing such measurements with precision that significantly surpasses the shot-noise limit.…

介观与纳米尺度物理 · 物理学 2020-07-01 Giora Peniakov , Zu-En Su , Ayal Beck , Dan Cogan , Or Amar , David Gershoni

Because of their low energy content, microwave signals at the single-photon level are extremely challenging to measure. Guided by recent progress in single-photon optomechanics and hybrid optomechanical systems, we propose a multimode…

量子物理 · 物理学 2015-03-18 Keye Zhang , Francesco Bariani , Ying Dong , Weiping Zhang , Pierre Meystre

Few-shot learning is a challenging task since only few instances are given for recognizing an unseen class. One way to alleviate this problem is to acquire a strong inductive bias via meta-learning on similar tasks. In this paper, we show…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Wentao Chen , Chenyang Si , Wei Wang , Liang Wang , Zilei Wang , Tieniu Tan

By replacing the lens with a thin optical element, lensless imaging enables new applications and solutions beyond those supported by traditional camera design and post-processing, e.g. compact and lightweight form factors and visual…

计算机视觉与模式识别 · 计算机科学 2022-06-06 Eric Bezzam , Martin Vetterli , Matthieu Simeoni

Frequency estimation from measurements corrupted by noise is a fundamental challenge across numerous engineering and scientific fields. Among the pivotal factors shaping the resolution capacity of any frequency estimation technique are…

信号处理 · 电气工程与系统科学 2024-09-23 Sampath Kumar Dondapati , Omkar Nitsure , Satish Mulleti

The goal of few-shot classification is to classify new categories with few labeled examples within each class. Nowadays, the excellent performance in handling few-shot classification problems is shown by metric-based meta-learning methods.…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Xu Luo , Yuxuan Chen , Liangjian Wen , Lili Pan , Zenglin Xu

Few-shot image classification aims to classify unseen classes with limited labelled samples. Recent works benefit from the meta-learning process with episodic tasks and can fast adapt to class from training to testing. Due to the limited…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Da Chen , Yuefeng Chen , Yuhong Li , Feng Mao , Yuan He , Hui Xue

Test-time task adaptation in few-shot learning aims to adapt a pre-trained task-agnostic model for capturing taskspecific knowledge of the test task, rely only on few-labeled support samples. Previous approaches generally focus on…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Ji Zhang , Lianli Gao , Xu Luo , Hengtao Shen , Jingkuan Song

As medical ultrasound is becoming a prevailing examination approach nowadays, robotic ultrasound systems can facilitate the scanning process and prevent professional sonographers from repetitive and tedious work. Despite the recent…

机器人学 · 计算机科学 2023-07-26 Xutian Deng , Junnan Jiang , Wen Cheng , Miao Li

A crucial limitation of current high-resolution 3D photoacoustic tomography (PAT) devices that employ sequential scanning is their long acquisition time. In previous work, we demonstrated how to use compressed sensing techniques to improve…

数值分析 · 数学 2020-09-07 Felix Lucka , Nam Huynh , Marta Betcke , Edward Zhang , Paul Beard , Ben Cox , Simon Arridge

Photo-acoustic tomography is a coupled-physics (hybrid) medical imaging modality that aims to reconstruct optical parameters in biological tissues from ultrasound measurements. As propagating light gets partially absorbed, the resulting…

偏微分方程分析 · 数学 2020-01-08 Guillaume Bal , Adrian Kirkeby

State-of-the-art audio classification often employs a zero-shot approach, which involves comparing audio embeddings with embeddings from text describing the respective audio class. These embeddings are usually generated by neural networks…

声音 · 计算机科学 2025-07-29 James Taylor , Wolfgang Mack

Popular approaches for few-shot classification consist of first learning a generic data representation based on a large annotated dataset, before adapting the representation to new classes given only a few labeled samples. In this work, we…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Nikita Dvornik , Cordelia Schmid , Julien Mairal

Dimensional reduction of high dimensional data can be achieved by keeping only the relevant eigenmodes after principal component analysis. However, differentiating relevant eigenmodes from the random noise eigenmodes is problematic. A new…

数据分析、统计与概率 · 物理学 2008-12-31 Yu Ding , Yiu-Cho Chung , Kun Huang , Orlando P. Simonetti

Anomaly detection is a critical and challenging task that aims to identify data points deviating from normal patterns and distributions within a dataset. Various methods have been proposed using a one-class-one-model approach, but these…

机器学习 · 计算机科学 2023-12-07 Jae Young Lee , Wonjun Lee , Jaehyun Choi , Yongkwi Lee , Young Seog Yoon

Low-light images, i.e. the images captured in low-light conditions, suffer from very poor visibility caused by low contrast, color distortion and significant measurement noise. Low-light image enhancement is about improving the visibility…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Jinxiu Liang , Yong Xu , Yuhui Quan , Jingwen Wang , Haibin Ling , Hui Ji

Distilled diffusion models accelerate image generation by reducing the number of denoising steps, but often suffer from degraded image quality. To mitigate this trade-off, test-time optimization methods improve quality, yet their iterative…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Haewon Jeon , Si-Hyeon Lee