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This study addresses the need for accurate and efficient object detection in assistive technologies for visually impaired individuals. We evaluate four real-time object detection algorithms YOLO, SSD, Faster R-CNN, and Mask R-CNN within the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Abhinav Pratap , Sushant Kumar , Suchinton Chakravarty

An autonomous system's perception engine must provide an accurate understanding of the environment for it to make decisions. Deep learning based object detection networks experience degradation in the performance and robustness for small…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Hemant Kumawat , Saibal Mukhopadhyay

On the off-the-shelf navigational assistance devices, the localization precision is limited to the signal error of global navigation satellite system (GNSS). During travelling outdoors, the inaccurately localization perplexes visually…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Ruiqi Cheng , Kaiwei Wang , Longqing Lin , Kailun Yang

We present a context aware object detection method based on a retrieve-and-transform scene layout model. Given an input image, our approach first retrieves a coarse scene layout from a codebook of typical layout templates. In order to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Tao Wang , Xuming He , Yuanzheng Cai , Guobao Xiao

Traditional systems typically require different models for processing different modalities, such as one model for RGB images and another for depth images. Recent research has demonstrated that a single model for one modality can be adapted…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Xiaoke Shen , Ioannis Stamos

Neuromorphic vision or event vision is an advanced vision technology, where in contrast to the visible camera that outputs pixels, the event vision generates neuromorphic events every time there is a brightness change which exceeds a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Waseem Shariff , Muhammad Ali Farooq , Joe Lemley , Peter Corcoran

The goal of this paper is to classify objects mapped by LiDAR sensor into different classes such as vehicles, pedestrians and bikers. Utilizing a LiDAR-based object detector and Neural Networks-based classifier, a novel real-time object…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Farzad Shafiei Dizaji

Deep learning has been widely recognized as a promising approach in different computer vision applications. Specifically, one-stage object detector and two-stage object detector are regarded as the most important two groups of Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Xiaoliang Wang , Peng Cheng , Xinchuan Liu , Benedict Uzochukwu

Recurrent feedback connections in the mammalian visual system have been hypothesized to play a role in synthesizing input in the theoretical framework of analysis by synthesis. The comparison of internally synthesized representation with…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Hao Wang , Xingyu Lin , Yimeng Zhang , Tai Sing Lee

Object detection has been extensively utilized in autonomous systems in recent years, encompassing both 2D and 3D object detection. Recent research in this field has primarily centered around multimodal approaches for addressing this…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Wendong Zhang

In this paper, we present a parallel architecture for a sensor fusion detection system that combines a camera and 1D light detection and ranging (lidar) sensor for object detection. The system contains two object detection methods, one…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 I-Hsi Kao , Ya-Zhu Yian , Jian-An Su , Yi-Horng Lai , Jau-Woei Perng , Tung-Li Hsieh , Yi-Shueh Tsai , Min-Shiu Hsieh

This paper focuses on vision-based pose estimation for multiple rigid objects placed in clutter, especially in cases involving occlusions and objects resting on each other. Progress has been achieved recently in object recognition given…

Robotics · Computer Science 2019-04-04 Chaitanya Mitash , Abdeslam Boularias , Kostas Bekris

Sensor-based perception on vehicles are becoming prevalent and important to enhance the road safety. Autonomous driving systems use cameras, LiDAR, and radar to detect surrounding objects, while human-driven vehicles use them to assist the…

Artificial Intelligence · Computer Science 2020-04-24 Shunsuke Aoki , Takamasa Higuchi , Onur Altintas

This paper presents a modular lightweight network model for road objects detection, such as car, pedestrian and cyclist, especially when they are far away from the camera and their sizes are small. Great advances have been made for the deep…

Computer Vision and Pattern Recognition · Computer Science 2018-11-19 Sen Cao , Yazhou Liu , Pongsak Lasang , Shengmei Shen

Event recognition from still images is of great importance for image understanding. However, compared with event recognition in videos, there are much fewer research works on event recognition in images. This paper addresses the issue of…

Computer Vision and Pattern Recognition · Computer Science 2015-05-05 Limin Wang , Zhe Wang , Wenbin Du , Yu Qiao

3D object detection with multi-sensors is essential for an accurate and reliable perception system of autonomous driving and robotics. Existing 3D detectors significantly improve the accuracy by adopting a two-stage paradigm which merely…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Xinli Xu , Shaocong Dong , Lihe Ding , Jie Wang , Tingfa Xu , Jianan Li

People with visual impairments often face significant challenges in locating and retrieving objects in their surroundings. Existing assistive technologies present a trade-off: systems that offer precise guidance typically require…

Comprehensive perception of the environment is crucial for the safe operation of autonomous vehicles. However, the perception capabilities of autonomous vehicles are limited due to occlusions, limited sensor ranges, or environmental…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Sven Teufel , Jörg Gamerdinger , Georg Volk , Oliver Bringmann

We develop a novel optical neural network (ONN) framework which introduces a degree of scalar invariance to image classification estima- tion. Taking a hint from the human eye, which has higher resolution near the center of the retina,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Grant Fennessy , Yevgeniy Vorobeychik

In recent years, the field of autonomous driving has witnessed remarkable advancements, driven by the integration of a multitude of sensors, including cameras and LiDAR systems, in different prototypes. However, with the proliferation of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Irene Cortés , Jorge Beltrán , Arturo de la Escalera , Fernando García