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The challenge of fine-grained visual recognition often lies in discovering the key discriminative regions. While such regions can be automatically identified from a large-scale labeled dataset, a similar method might become less effective…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Yangyang Shu , Baosheng Yu , Haiming Xu , Lingqiao Liu

LiDAR-based 3D object detectors have been largely utilized in various applications, including autonomous vehicles or mobile robots. However, LiDAR-based detectors often fail to adapt well to target domains with different sensor…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Jiyun Jang , Mincheol Chang , Jongwon Park , Jinkyu Kim

The standard architecture of synthetic aperture radar (SAR) automatic target recognition (ATR) consists of three stages: detection, discrimination, and classification. In recent years, convolutional neural networks (CNNs) for SAR ATR have…

计算机视觉与模式识别 · 计算机科学 2018-01-29 Hidetoshi Furukawa

Modern large-scale recommender systems employ multi-stage ranking funnel (Retrieval, Pre-ranking, Ranking) to balance engagement and computational constraints (latency, CPU). However, the initial retrieval stage, often relying on efficient…

信息检索 · 计算机科学 2025-06-10 Amit Jaspal , Qian Dang , Ajantha Ramineni

Class incremental learning consists in training discriminative models to classify an increasing number of classes over time. However, doing so using only the newly added class data leads to the known problem of catastrophic forgetting of…

机器学习 · 计算机科学 2024-05-15 Quentin Ferdinand , Gilles Le Chenadec , Benoit Clement , Panagiotis Papadakis , Quentin Oliveau

Due to the absence of clean reference signals and spatial cues, monaural unsupervised speech dereverberation is a challenging ill-posed inverse problem. To realize it, we propose augmented reverberant-target training (ARTT), which consists…

音频与语音处理 · 电气工程与系统科学 2026-03-20 Siqi Song , Fulin Wu , Zhong-Qiu Wang

This paper presents a brief examination of Automatic Target Recognition (ATR) technology within ground-based radar systems. It offers a lucid comprehension of the ATR concept, delves into its historical milestones, and categorizes ATR…

信号处理 · 电气工程与系统科学 2023-10-24 Jiangkun Gong , Jun Yan , Deyong Kong , Deren Li

To translate synthetic aperture radar (SAR) image into interpretable forms for human understanding is the ultimate goal of SAR advanced information retrieval. Existing methods mainly focus on 3D surface reconstruction or local geometric…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Ziyu Yue , Ruixi You , Feng Xu

Absolute Pose Regression (APR) methods use deep neural networks to directly regress camera poses from RGB images. However, the predominant APR architectures only rely on 2D operations during inference, resulting in limited accuracy of pose…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Shuai Chen , Yash Bhalgat , Xinghui Li , Jiawang Bian , Kejie Li , Zirui Wang , Victor Adrian Prisacariu

Object detection has been vigorously investigated for years but fast accurate detection for real-world scenes remains a very challenging problem. Overcoming drawbacks of single-stage detectors, we take aim at precisely detecting objects for…

计算机视觉与模式识别 · 计算机科学 2020-03-16 Xingyu Chen , Junzhi Yu , Shihan Kong , Zhengxing Wu , Li Wen

Large language models (LLMs) excel at mathematical reasoning and logical problem-solving. The current popular training paradigms primarily use supervised fine-tuning (SFT) and reinforcement learning (RL) to enhance the models' reasoning…

机器学习 · 计算机科学 2025-08-05 Jack Chen , Fazhong Liu , Naruto Liu , Yuhan Luo , Erqu Qin , Harry Zheng , Tian Dong , Haojin Zhu , Yan Meng , Xiao Wang

Learning from visual observations is a fundamental yet challenging problem in Reinforcement Learning (RL). Although algorithmic advances combined with convolutional neural networks have proved to be a recipe for success, current methods are…

机器学习 · 计算机科学 2020-11-06 Michael Laskin , Kimin Lee , Adam Stooke , Lerrel Pinto , Pieter Abbeel , Aravind Srinivas

The reconstructed images from the Synthetic Aperture Radar (SAR) data suffer from multiplicative noise as well as low contrast level. These two factors impact the quality of the SAR images significantly and prevent any attempt to extract…

图像与视频处理 · 电气工程与系统科学 2024-12-05 Shahrokh Hamidi

Adversarial fine-tuning methods enhance adversarial robustness via fine-tuning the pre-trained model in an adversarial training manner. However, we identify that some specific latent features of adversarial samples are confused by…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Nuoyan Zhou , Dawei Zhou , Decheng Liu , Nannan Wang , Xinbo Gao

Deep image matting methods have achieved increasingly better results on benchmarks (e.g., Composition-1k/alphamatting.com). However, the robustness, including robustness to trimaps and generalization to images from different domains, is…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Yutong Dai , Brian Price , He Zhang , Chunhua Shen

SAR ship classification faces the challenge of long-tailed datasets, which complicates the classification of underrepresented classes. Oversampling methods have proven effective in addressing class imbalance in optical data. In this paper,…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Ch Muhammad Awais , Marco Reggiannini , Davide Moroni , Oktay Karakus

Handling contaminated data poses a critical challenge in anomaly detection, as traditional models assume training on purely normal data. Conventional methods mitigate contamination by relying on fixed contamination ratios, but discrepancies…

机器学习 · 计算机科学 2025-11-27 Jungi Lee , Jungkwon Kim , Chi Zhang , Kwangsun Yoo , Seok-Joo Byun

Current test- or compression-time adaptation image compression (TTA-IC) approaches, which leverage both latent and decoder refinements as a two-step adaptation scheme, have potentially enhanced the rate-distortion (R-D) performance of…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Kecheng Chen , Pingping Zhang , Tiexin Qin , Shiqi Wang , Hong Yan , Haoliang Li

Deep features extracted from certain layers of a pre-trained deep model show superior performance over the conventional hand-crafted features. Compared with fine-tuning or linear probing that can explore diverse augmentations, \eg, random…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Qi Qian , Yuanhong Xu , Juhua Hu

This article is written to serve as an introduction and survey of imaging with synthetic aperture radar (SAR). The reader will benefit from having some familiarity with harmonic analysis, electromagnetic radiation, and inverse problems.…

数值分析 · 数学 2019-10-24 Toby Sanders , Christian Dwyer , Rodrigo B. Platte