arXiv ·
This paper surveys machine learning approaches using monument pictures for analyzing heritage sites in India. It addresses challenges in the tourism sector, such as the unavailability of trained personnel and the lack of accurate information. The research aims to provide insights for building an automated decision system to modernize the tourism experience for visitors in India.
arXiv ·
Researchers propose a universal anatomical embedding (UAE) framework for medical image analysis to learn appearance, semantic, and cross-modality anatomical embeddings. UAE incorporates semantic embedding learning with prototypical contrastive loss, a fixed-point-based matching strategy, and an iterative approach for cross-modality embedding learning. The framework was evaluated on landmark detection, lesion tracking and CT-MRI registration tasks, outperforming existing state-of-the-art methods.
QCRI ·
MIT researchers have developed a new AI system that uses satellite imagery and street-level photos to add details to digital maps. The AI model can identify features like building footprints, road networks, and vegetation cover with high accuracy. It then enriches existing maps by adding these features, improving their usability for navigation and urban planning. Why it matters: This technology can significantly enhance the quality and detail of digital maps, particularly in areas where up-to-date map data is lacking, enabling better AI-powered applications.
arXiv ·
Researchers in Saudi Arabia have developed a deep learning framework for automated counting and geolocation of palm trees using aerial images. The system uses a Faster R-CNN model trained on a dataset of 10,000 palm tree instances collected in the Kharj region using DJI drones. Geolocation accuracy of 2.8m was achieved using geotagged metadata and photogrammetry techniques.
KAUST ·
KAUST researchers used 3D mapping technology via remote control helicopter to survey and create detailed renderings of Jeddah's Al Balad, a UNESCO World Heritage Site. The team, from KAUST's Visual Computer Center and FalconViz, captured high-definition images from about 50 meters above street level. This enabled the creation of accurate 3D models, showing building shifts and potential problems for urban planners. Why it matters: This method provides a rapid and accurate way to document and preserve historical landmarks, especially in areas where traditional surveying is difficult or infeasible, aiding in cultural heritage preservation efforts.