English
Related papers

Related papers: CFPNet: Improving Lightweight ToF Depth Completion…

200 papers

Indirect Time-of-Flight (iToF) cameras are a promising depth sensing technology. However, they are prone to errors caused by multi-path interference (MPI) and low signal-to-noise ratio (SNR). Traditional methods, after denoising, mitigate…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Felipe Gutierrez-Barragan , Huaijin Chen , Mohit Gupta , Andreas Velten , Jinwei Gu

Tiny object detection (TOD) reveals a fundamental flaw in feature pyramid networks: high-level features (P5-P6) frequently receive zero positive anchors under standard label assignment protocols, leaving their semantic representations…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Tao Liu , Zhenchao Cui

Existing deep learning approaches leave out the semantic cues that are crucial in semantic segmentation present in complex scenarios including cluttered backgrounds and translucent objects, etc. To handle these challenges, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Muhammad Ali , Mamoona Javaid , Mubashir Noman , Mustansar Fiaz , Salman Khan

FPN-based detectors have made significant progress in general object detection, e.g., MS COCO and PASCAL VOC. However, these detectors fail in certain application scenarios, e.g., tiny object detection. In this paper, we argue that the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Yuqi Gong , Xuehui Yu , Yao Ding , Xiaoke Peng , Jian Zhao , Zhenjun Han

Object detection in unmanned aerial vehicle (UAV) images remains a highly challenging task, primarily caused by the complexity of background noise and the imbalance of target scales. Traditional methods easily struggle to effectively…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Wenfeng Zhang , Jun Ni , Yue Meng , Xiaodong Pei , Wei Hu , Qibing Qin , Lei Huang

To mitigate the detection performance drop caused by domain shift, we aim to develop a novel few-shot adaptation approach that requires only a few target domain images with limited bounding box annotations. To this end, we first observe…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Tao Wang , Xiaopeng Zhang , Li Yuan , Jiashi Feng

Time of flight cameras may emerge as the 3-D sensor of choice. Today, time of flight sensors use phase-based sampling, where the phase delay between emitted and received, high-frequency signals encodes distance. In this paper, we present a…

Computer Vision and Pattern Recognition · Computer Science 2015-03-11 Achuta Kadambi , Vage Taamazyan , Suren Jayasuriya , Ramesh Raskar

Despite recent advances in multi-scale deep representations, their limitations are attributed to expensive parameters and weak fusion modules. Hence, we propose an efficient approach to fuse multi-scale deep representations, called…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Yu Liu , Yanming Guo , Michael S. Lew

Micro-Doppler signatures contain considerable information about target dynamics. However, the radar sensing systems are easily affected by noisy surroundings, resulting in uninterpretable motion patterns on the micro-Doppler spectrogram.…

Signal Processing · Electrical Eng. & Systems 2022-05-04 Chong Tang , Wenda Li , Shelly Vishwakarma , Fangzhan Shi , Simon Julier , Kevin Chetty

Salient object detection has achieved great improvement by using the Fully Convolution Network (FCN). However, the FCN-based U-shape architecture may cause the dilution problem in the high-level semantic information during the up-sample…

Computer Vision and Pattern Recognition · Computer Science 2020-05-01 Guangyu Ren , Tianhong Dai , Panagiotis Barmpoutis , Tania Stathaki

Sharing collective perception messages (CPM) between vehicles is investigated to decrease occlusions so as to improve the perception accuracy and safety of autonomous driving. However, highly accurate data sharing and low communication…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Yunshuang Yuan , Hao Cheng , Monika Sester

We present HoHoNet, a versatile and efficient framework for holistic understanding of an indoor 360-degree panorama using a Latent Horizontal Feature (LHFeat). The compact LHFeat flattens the features along the vertical direction and has…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Cheng Sun , Min Sun , Hwann-Tzong Chen

Event cameras exhibit remarkable attributes such as high dynamic range, asynchronicity, and low latency, making them highly suitable for vision tasks that involve high-speed motion in challenging lighting conditions. These cameras…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Hongwei Ren , Jiadong Zhu , Yue Zhou , Haotian FU , Yulong Huang , Bojun Cheng

Few-shot segmentation (FSS) expects models trained on base classes to work on novel classes with the help of a few support images. However, when there exists a domain gap between the base and novel classes, the state-of-the-art FSS methods…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Yuhang Lu , Xinyi Wu , Zhenyao Wu , Song Wang

In deep-sea exploration and surgical robotics scenarios, environmental lighting and device resolution limitations often cause high-frequency feature attenuation. Addressing the differences in frequency band sensitivity between CNNs and the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Guohao Huo , Ruiting Dai , Jinliang Liu , Ling Shao , Hao Tang

Recent CLIP-based few-shot semantic segmentation methods introduce class-level textual priors to assist segmentation by typically using a single prompt (e.g., a photo of class). However, these approaches often result in incomplete…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Qiang Jiao , Bin Yan , Yi Yang , Mengrui Shi , Qiang Zhang

In this paper we study the task of a single-view image-guided point cloud completion. Existing methods have got promising results by fusing the information of image into point cloud explicitly or implicitly. However, given that the image…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Aihua Mao , Yuxuan Tang , Jiangtao Huang , Ying He

Previous studies determining which astronomical photometry software is best suited for a particular dataset are usually focused on speed, source classification, and/or meeting a sensitivity requirement. For faint objects in particular, the…

Instrumentation and Methods for Astrophysics · Physics 2013-05-27 Sarah Sonnett , Karen Meech , Robert Jedicke , Schelte Bus , John Tonry , Olivier Hainaut

Polyps segmentation poses a significant challenge in medical imaging due to the flat surface of polyps and their texture similarity to surrounding tissues. This similarity gives rise to difficulties in establishing a clear boundary between…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Juntong Fan , Debesh Jha , Tieyong Zeng , Dayang Wang

Lightweight direct Time-of-Flight (dToF) sensors are ideal for 3D sensing on mobile devices. However, due to the manufacturing constraints of compact devices and the inherent physical principles of imaging, dToF depth maps are sparse and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Xuan Zhu , Jijun Xiang , Xianqi Wang , Longliang Liu , Yu Wang , Hong Zhang , Fei Guo , Xin Yang