Table 1 Mapping relationship between mapillary vistas categories and seven key visual elements.
From: Predicting geriatric environmental safety perception assessment using LightGBM and SHAP framework
Target category | Mapped from the original categories of Mapillary Vistas | Explanation of Merger Basis |
|---|---|---|
Pedestrian area | Sidewalk, crosswalk, curb | Function: Pedestrian passage area |
Car | Car, bus, truck, trailer, caravan, on rails | Motor vehicles category, possessing mobility and road-occupying attributes |
Wall | Wall, fence, guard rail | Provide physical or visual boundaries |
Person | Person, rider | Related directly to human activities |
Billboard | Billboard, signboard | Facilities related to information display |
Parterre | Terrain, nature_object, flowerbed | Related to environmental elements such as ground greening and flower beds |
Vegetation | Tree, bush, grass, hedge, shrubbery | Green plant elements, which affect shading and spatial perception |
