mapping approach
Inferring Driving Maps by Deep Learning-based Trail Map Extraction
Hubbertz, Michael, Colling, Pascal, Han, Qi, Meisen, Tobias
High-definition (HD) maps offer extensive and accurate environmental information about the driving scene, making them a crucial and essential element for planning within autonomous driving systems. T o avoid extensive efforts from manual labeling, methods for automating the map creation have emerged. Recent trends have moved from offline mapping to online mapping, ensuring availability and actuality of the utilized maps. While the performance has increased in recent years, online mapping still faces challenges regarding temporal consistency, sensor occlusion, runtime, and generalization. W e propose a novel offline mapping approach that integrates trails -- informal routes used by drivers -- into the map creation process. Our method aggregates trail data from the ego vehicle and other traffic participants to construct a comprehensive global map using transformer-based deep learning models. Unlike traditional offline mapping, our approach enables continuous updates while remaining sensor-agnostic, facilitating efficient data transfer . Our method demonstrates superior performance compared to state-of-the-art online mapping approaches, achieving improved generalization to previously unseen environments and sensor configurations.
- Asia > Japan > Honshū > Kantō > Tokyo Metropolis Prefecture > Tokyo (0.14)
- North America > United States (0.05)
- South America > Brazil > Rio de Janeiro > Rio de Janeiro (0.04)
- (4 more...)
Active Semantic Mapping with Mobile Manipulator in Horticultural Environments
Cuaran, Jose, Ahluwalia, Kulbir Singh, Koe, Kendall, Uppalapati, Naveen Kumar, Chowdhary, Girish
Semantic maps are fundamental for robotics tasks such as navigation and manipulation. They also enable yield prediction and phenotyping in agricultural settings. In this paper, we introduce an efficient and scalable approach for active semantic mapping in horticultural environments, employing a mobile robot manipulator equipped with an RGB-D camera. Our method leverages probabilistic semantic maps to detect semantic targets, generate candidate viewpoints, and compute corresponding information gain. We present an efficient ray-casting strategy and a novel information utility function that accounts for both semantics and occlusions. The proposed approach reduces total runtime by 8% compared to previous baselines. Furthermore, our information metric surpasses other metrics in reducing multi-class entropy and improving surface coverage, particularly in the presence of segmentation noise. Real-world experiments validate our method's effectiveness but also reveal challenges such as depth sensor noise and varying environmental conditions, requiring further research.
Toward a Generic Mapping Language for Transformations between RDF and Data Interchange Formats
Köcher, Aljosha, Markaj, Artan, Fay, Alexander
While there exist approaches to integrate heterogeneous data using semantic models, such semantic models can typically not be used by existing software tools. Many software tools - especially in engineering - only have options to import and export data in more established data interchange formats such as XML or JSON. Thus, if an information which is included in a semantic model needs to be used in a such a software tool, automatic approaches for mapping semantic information into an interchange format are needed. We aim to develop a generic mapping approach that allows users to create transformations of semantic information into a data interchange format with an arbitrary structure which can be defined by a user. This mapping approach is currently being elaborated. In this contribution, we report our initial steps targeted to transformations from RDF into XML. At first, a mapping language is introduced which allows to define automated mappings from ontologies to XML. Furthermore, a mapping algorithm capable of executing mappings defined in this language is presented. An evaluation is done with a use case in which engineering information needs to be used in a 3D modeling tool.
- North America > United States > New Jersey > Middlesex County > Piscataway (0.04)
- Europe > Germany > North Rhine-Westphalia > Düsseldorf Region > Düsseldorf (0.04)
- Europe > Germany > Hamburg (0.04)
- Transportation > Infrastructure & Services (1.00)
- Transportation > Ground > Road (1.00)
Comparison of Varied 2D Mapping Approaches by Using Practice-Oriented Evaluation Criteria
Ziegenbein, Justin, Schrick, Manuel, Thiel, Marko, Hinckeldeyn, Johannes, Kreutzfeldt, Jochen
A variety of mapping approaches are available that Localization is one of the most crucial tasks for mobile can be employed to create such maps - with varying degrees robots. Being able to determine the robot's location is of effort, hardware requirements and quality of the vital for safe navigation and thus the success of the overall resulting maps. To create a better understanding of the process. For this, robots typically use a 2D map that shows applicability of these different approaches to specific applications, the contours of the respective area visible to the robot. The this paper evaluates and compares three different robot then matches its sensor data with these contours to mapping approaches based on simultaneous localization compute its position. An increased resemblance to reality and mapping, terrestrial laser scanning as well as and higher levels of detail lead to a higher level of precision publicly accessible building contours. However, the external hardware introduces additional acquisition costs and the mapping process can be time-consuming and may require extensive postprocessing effort. Lastly, approaches such as [4] make use of publicly accessible building contours (PABC) extracted from satellite data. These approaches require a low amount of effort and no specific hardware in their process.
- Europe > United Kingdom (0.04)
- Europe > Sweden > Östergötland County > Linköping (0.04)
- Europe > Portugal > Madeira > Funchal (0.04)
- (3 more...)
Improving Approaches to Mapping Seagrass within the Great Barrier Reef: From Field to Spaceborne Earth Observation
Seagrass meadows are a key ecosystem of the Great Barrier Reef World Heritage Area, providing one of the natural heritage attributes underpinning the reef’s outstanding universal value. We reviewed approaches employed to date to create maps of seagrass meadows in the optically complex waters of the Great Barrier Reef and explored enhanced mapping approaches with a focus on emerging technologies, and key considerations for future mapping. Our review showed that field-based mapping of seagrass has traditionally been the most common approach in the GBRWHA, with few attempts to adopt remote sensing approaches and emerging technologies. Using a series of case studies to harness the power of machine- and deep-learning, we mapped seagrass cover with PlanetScope and UAV-captured imagery in a variety of settings. Using a machine-learning pixel-based classification coupled with a bootstrapping process, we were able to significantly improve maps of seagrass, particularly in low cover, fragmented and complex habitats. We also used deep-learning models to derive enhanced maps from UAV imagery. Combined, these lessons and emerging technologies show that more accurate and efficient seagrass mapping approaches are possible, producing maps of higher confidence for users and enabling the upscaling of seagrass mapping into the future.
Mapping and Describing Geospatial Data to Generalize Complex Mapping and Describing Geospatial Data to Generalize Complex Models: The Case of LittoSIM-GEN Models
Laatabi, Ahmed, Becu, Nicolas, Marilleau, Nicolas, Pignon-Mussaud, Cécilia, Amalric, Marion, Bertin, X., Anselme, Brice, Beck, Elise
For some scientific questions, empirical data are essential to develop reliable simulation models. These data usually come from different sources with diverse and heterogeneous formats. The design of complex data-driven models is often shaped by the structure of the data available in research projects. Hence, applying such models to other case studies requires either to get similar data or to transform new data to fit the model inputs. It is the case of agent-based models (ABMs) that use advanced data structures such as Geographic Information Systems data. We faced this problem in the LittoSIM-GEN project when generalizing our participatory flooding model (LittoSIM) to new territories. From this experience, we provide a mapping approach to structure, describe, and automatize the integration of geospatial data into ABMs.
- Atlantic Ocean > North Atlantic Ocean > Bay of Biscay (0.04)
- North America > United States > Texas > Ellis County (0.04)
- North America > United States > New York > New York County > New York City (0.04)
- (2 more...)
- Research Report (0.64)
- Workflow (0.46)
Rapid and High-Fidelity Subsurface Exploration with Multiple Aerial Robots
Goel, Kshitij, Tabib, Wennie, Michael, Nathan
Planetary exploration has benefited from advancements in robotics through automation of data collection for planetary science and robotic precursor missions for human space exploration [1]. To date, robotic precursor missions have engaged in surface exploration of Mars [2] but have not explored subsurface environments despite the potential geological and astrobiological significance of these domains [3, 4]. As a result, robotic subsurface exploration has been identified as a key technology for future missions to these planets [5]. Autonomous navigation and high-resolution perceptual modeling are critical needs in the context of subsurface planetary exploration [6]. A challenge of operating in subsurface environments is communicating to a surface station. Communication may be limited or impossible due to the inability of radio waves to penetrate rock, impeding data relay to Earth, so compact data transmission is critical. Operating on planets far from Earth introduces additional re-The authors are with the Robotics Institute, Carnegie Mellon University, Pittsburgh, PA 15213 USA (e-mail: {kgoel1,wtabib,nmichael}@andrew.cmu.edu)
- North America > United States > Pennsylvania > Allegheny County > Pittsburgh (0.54)
- Asia > Japan > Honshū > Kantō > Tokyo Metropolis Prefecture > Tokyo (0.14)
- North America > United States > West Virginia (0.04)
- (5 more...)
Visualizing geo-spatial data with sf and plotly
Work with me or attend my 2 day workshop! Here's a quick example of reading a shape file into R as simple features via st_read(), then plotting those features (in this case, North Carolina counties) using each one of the four mapping approaches plotly provides. You might be wondering, "What can plotly offer over other interactive mapping packages such as leaflet, mapview, mapedit, etc?". One big feature is the linked brushing framework, which works best when linking plotly together with other plotly graphs (i.e., only a subset of brushing features are supported when linking to other crosstalk-compatible htmlwidgets). Another is the ability to leverage the plotly.js
- North America > United States > North Carolina (0.25)
- Europe > Germany (0.05)
Direct Discriminative Bag Mapping for Multi-Instance Learning
Wu, Jia (University of Technology Sydney) | Pan, Shirui (University of Technology Sydney) | Zhang, Peng (University of Technology Sydney) | Zhu, Xingquan (Florida Atlantic University)
Multi-instance learning (MIL) is useful for tackling labeling ambiguity in learning tasks, by allowing a bag of instances to share one label. Recently, bag mapping methods, which transform a bag to a single instance in a new space via instance selection, have drawn significant attentions. To date, most existing works are developed based on the original space, i.e., utilizing all instances for bag mapping, and instance selection is indirectly tied to the MIL objective. As a result, it is hard to guarantee the distinguish capacity of the selected instances in the new bag mapping space for MIL. In this paper, we propose a direct discriminative mapping approach for multi-instance learning (MILDM), which identifies instances to directly distinguish bags in the new mapping space. Experiments and comparisons on real-world learning tasks demonstrate the algorithm performance.
- Oceania > New Zealand > North Island > Waikato (0.05)
- Oceania > Australia > New South Wales > Sydney (0.05)
- North America > United States (0.05)
Occupancy Grid Models for Robot Mapping in Changing Environments
Meyer-Delius, Daniel (KUKA Laboratories GmbH) | Beinhofer, Maximilian (University of Freiburg) | Burgard, Wolfram (University of Freiburg)
The majority of existing approaches to mobile robot mapping assumes that the world is static, which is generally not justified in real-world applications. However, in many navigation tasks including trajectory planning, surveillance, and coverage, accurate maps are essential for the effective behavior of the robot. In this paper we present a probabilistic grid-based approach for modeling changing environments. Our method represents both, the occupancy and its changes in the corresponding area where the dynamics are characterized by the state transition probabilities of a Hidden Markov Model. We apply an offline and an online technique to learn the parameters from observed data. The advantage of the online approach is that it can dynamically adapt the parameters and at the same time does not require storing the complete observation sequences. Experimental results obtained with data acquired by real robots demonstrate that our model is well-suited for representing changing environments. Further results show that our technique can be used to substantially improve the effectiveness of path planning procedures.