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In this paper, we address the limitations of the DETR-based semi-supervised object detection (SSOD) framework, particularly focusing on the challenges posed by the quality of object queries. In DETR-based SSOD, the one-to-one assignment…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Tahira Shehzadi , Khurram Azeem Hashmi , Didier Stricker , Muhammad Zeshan Afzal

This paper addresses the problem of single image depth estimation (SIDE), focusing on improving the quality of deep neural network predictions. In a supervised learning scenario, the quality of predictions is intrinsically related to the…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Nícolas Rosa , Vitor Guizilini , Valdir Grassi

The performance of perception systems developed for autonomous driving vehicles has seen significant improvements over the last few years. This improvement was associated with the increasing use of LiDAR sensors and point cloud data to…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yahia Dalbah , Jean Lahoud , Hisham Cholakkal

We introduce a denoising method for four-dimensional scanning transmission electron microscopy (4D-STEM) that relies on processing local, scan position-independent electron event-sparse data stacks, called event-sparse stack denoising. This…

医学物理 · 物理学 2025-12-12 Gregory Nordahl , Rebekka Klemmt , Espen Drath Bøjesen

4D millimeter-wave (mmWave) radars are sensors that provide robustness against adverse weather conditions (rain, snow, fog, etc.), and as such they are increasingly used for odometry and SLAM (Simultaneous Location and Mapping). However,…

机器人学 · 计算机科学 2026-03-18 Fernando Amodeo , Luis Merino , Fernando Caballero

The success of deep neural networks (DNNs) is attributable to three factors: increased compute capacity, more complex models, and more data. These factors, however, are not always present, especially for edge applications such as autonomous…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Bichen Wu

While self-supervised monocular depth estimation in driving scenarios has achieved comparable performance to supervised approaches, violations of the static world assumption can still lead to erroneous depth predictions of traffic…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Stefano Gasperini , Patrick Koch , Vinzenz Dallabetta , Nassir Navab , Benjamin Busam , Federico Tombari

In this paper, we describe a strategy for training neural networks for object detection in range images obtained from one type of LiDAR sensor using labeled data from a different type of LiDAR sensor. Additionally, an efficient model for…

计算机视觉与模式识别 · 计算机科学 2019-12-06 Manuel Herzog , Klaus Dietmayer

In this article, we address the challenges of image super-resolution and noise reduction, which are crucial for enhancing the quality of images derived from low-resolution or noisy data. We compared and assessed several approaches for…

无序系统与神经网络 · 物理学 2024-06-17 Ngoc-Giau Pham , Thanh-Hai Tong Le , Van-Hieu Duong , Hong-Ngoc Tran , Phuoc-Hung Vo

Learned Sparse Retrieval (LSR) has traditionally focused on small-scale encoder-only transformer architectures. With the advent of large-scale pre-trained language models, their capability to generate sparse representations for retrieval…

信息检索 · 计算机科学 2025-04-28 Jingfen Qiao , Thong Nguyen , Evangelos Kanoulas , Andrew Yates

Surveillance scenarios are prone to several problems since they usually involve low-resolution footage, and there is no control of how far the subjects may be from the camera in the first place. This situation is suitable for the…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Angelo G. Menezes

To enable self-driving vehicles accurate detection and tracking of surrounding objects is essential. While Light Detection and Ranging (LiDAR) sensors have set the benchmark for high-performance systems, the appeal of camera-only solutions…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Nicolas Baumann , Michael Baumgartner , Edoardo Ghignone , Jonas Kühne , Tobias Fischer , Yung-Hsu Yang , Marc Pollefeys , Michele Magno

Dimensionality reduction can be applied to hyperspectral images so that the most useful data can be extracted and processed more quickly. This is critical in any situation in which data volume exceeds the capacity of the computational…

图像与视频处理 · 电气工程与系统科学 2024-02-27 Daniela Lupu , Joseph L. Garrett , Tor Arne Johansen , Milica Orlandic , Ion Necoara

LiDAR's dense, sharp point cloud (PC) representations of the surrounding environment enable accurate perception and significantly improve road safety by offering greater scene awareness and understanding. However, LiDAR's high cost…

计算机视觉与模式识别 · 计算机科学 2025-10-13 William Muckelroy , Mohammed Alsakabi , John Dolan , Ozan Tonguz

The ability to accurately detect and localize objects is recognized as being the most important for the perception of self-driving cars. From 2D to 3D object detection, the most difficult is to determine the distance from the ego-vehicle to…

计算机视觉与模式识别 · 计算机科学 2021-05-31 Nguyen Anh Minh Mai , Pierre Duthon , Louahdi Khoudour , Alain Crouzil , Sergio A. Velastin

In this paper, we aim at establishing accurate dense correspondences between a pair of images with overlapping field of view under challenging illumination variation, viewpoint changes, and style differences. Through an extensive ablation…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Georgi Tinchev , Shuda Li , Kai Han , David Mitchell , Rigas Kouskouridas

In LiDAR-based 3D object detection for autonomous driving, the ratio of the object size to input scene size is significantly smaller compared to 2D detection cases. Overlooking this difference, many 3D detectors directly follow the common…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Lue Fan , Ziqi Pang , Tianyuan Zhang , Yu-Xiong Wang , Hang Zhao , Feng Wang , Naiyan Wang , Zhaoxiang Zhang

Object recognition systems are usually trained and evaluated on high resolution images. However, in real world applications, it is common that the images have low resolutions or have small sizes. In this study, we first track the…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Amir Ghasemi , Nasrin Bayat , Fatemeh Mottaghian , Akram Bayat

Deep neural networks (DNN) have shown remarkable success in a variety of machine learning applications. The capacity of these models (i.e., number of parameters), endows them with expressive power and allows them to reach the desired…

机器学习 · 计算机科学 2022-04-12 Arturo Marban , Daniel Becking , Simon Wiedemann , Wojciech Samek

Dense depth estimation using millimeter-wave radar typically requires dense LiDAR supervision, generated via multi-frame projection and interpolation, for guiding the learning of accurate depth from sparse radar measurements and RGB images.…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Xingrui Qin , Wentao Zhao , Chuan Cao , Yihe Niu , Tianchen Deng , Houcheng Jiang , Rui Guo , Jingchuan Wang