Volume 39 #1

Contents

1. MODERN APPROACHES TO COCHLEAR IMPLANTATION IN INNER EAR ANOMALIES: AUDIOLOGICAL ASPECTS
2. THE ROLE OF THE ENVELOPE IN THE DISCRIMINATION OF RIPPLED SPECTRA BY LISTENERS WITH DIFFERENT AUDITORY SENSITIVITY
3. INFLUENCE OF ACOUSTIC BACKGROUND ON THE CHOICE OF VISUAL STIMULI BY CHILDREN OF EARLY PRESCHOOL AGE
4. TEMPORAL CHARACTERISTICS OF SPEECH IN PATIENTS WITH MODERATELY SEVERE CHRONIC POSTLINGUAL SENSORINEURAL HEARING LOSS WITHOUT THE USE OF HEARING AIDS AND WITH HEARING PROSTHETICS
5. ON THE ROLE OF THE AUDITORY CRITICAL BANDS IN EFFECTS OF STIMULUS-SPECIFIC ADAPTATION IN THE ACTIVITY OF PRIMARY AUDITORY CORTEX NEURONS IN AWAKE MICE
6. NICOTINAMIDE-STREPTOZOTOCIN-INDUCED TYPE 2 DIABETES MELLITUS LEADS TO IMPAIRED FUNCTION OF THE MAIN OLFACTORY SYSTEM IN MALE WISTAR RATS
7. THREE-DIMENSIONAL OBJECT DETECTION BASED ON L-SHAPE MODEL IN AUTONOMOUS MOTION SYSTEMS

The ability of automated vehicles (AVs) to determine the position of objects in three-dimensional space plays a key role in motion planning. The implementation of algorithms that solve this problem is particularly difficult for systems that use only monocular cameras, as depth estimation is a non-trivial task for them. Nevertheless, such systems are widespread due to their relative cheapness and ease of use. In this paper, we propose a method to determine the position of vehicles (the most common type of objects in urban scenes) in the form of oriented bounding boxes in birds’-eye view based on an image obtained from a single monocular camera. This method consists of two steps. In the first step, a projection of the visible boundary of the vehicle in the birds’-eye view is computed based on 2D obstacle detections and roadway segmentation in the image. The resulting projection is assumed to represent the noisy measurements of the two orthogonal sides of the vehicle. In the second step, an oriented bounding box is constructed around the obtained projection. For this stage, we propose a new algorithm for constructing the bounding box based on the assumption of the L-shape model. The algorithm was tested on a prepared real-world dataset. The proposed L-shape algorithm outperformed the best of the compared algorithms in terms of the Jaccard coefficient (Intersection over Union, IoU) by 2.7%

Key words: 3D object detection, L-shape, monocular object detection, autonomous driving

DOI: 10.31857/S0235009225010078  EDN: UUMPXE

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