{"slug":"lidar-point-cloud","title":{"ja":"LiDAR点群","en":"LiDAR point cloud"},"summary":{"ja":"回転するレーザーセンサーが捉えた街を、距離で色分けした点の輪だけで描く3D表現。","en":"A street as a spinning laser sensor sees it: rings of points colored by distance on black."},"categories":["3dcg","motion"],"subAspects":["3dcg.rendering"],"aspects":["3dcg"],"tags":["lidar","point cloud","autonomous driving","3d scan","sensor"],"palette":[{"name":"Void","hex":"#020305","ratio":0.72},{"name":"Near red","hex":"#E8402A","ratio":0.07},{"name":"Mid yellow","hex":"#E9D93A","ratio":0.07},{"name":"Mid green","hex":"#3FD982","ratio":0.07},{"name":"Far blue","hex":"#3A5BE0","ratio":0.07}],"keywords":["LiDAR point cloud","spinning lidar scan","turbo colormap","autonomous vehicle perception","3D bounding boxes"],"traits":{"en":["The scene is made only of small points on a near-black background; there are no surfaces or lines","Points lie on concentric rings around the sensor, dense near it and sparse far away, bending as they climb walls and cars","Color shows distance with a rainbow ramp (red near, through yellow and green, to blue far), or height in two colors","Objects cast empty shadows behind them where the laser cannot reach","Thin 3D wireframe boxes mark detected cars and people, and a brighter sweep rotates once per turn of the sensor"],"ja":["場面はほぼ黒の背景に小さな点だけでできている。面や線はない","点はセンサーを中心とした同心円の輪に並び、近くは密で遠くは疎。壁や車に当たると輪が曲がって登る","色は距離を虹色の段階で表す（近いと赤、黄・緑を経て遠いと青）か、高さを2色で表す","レーザーの届かない物の裏側に、点のない影ができる","検出した車や人を細い3Dの線の箱で示し、センサーが1回転するごとに明るい走査が一周する"]},"prompt":"LiDAR point cloud render: a city street seen from a car-mounted spinning laser sensor, made only of tiny points on a near-black background. Points form concentric rings around the sensor, dense near and sparse far, bending up the sides of buildings and parked cars; empty laser shadows behind objects. Points colored by range with a turbo rainbow ramp, red near to blue far. Thin wireframe 3D boxes around detected cars, a faint range grid.","negativePrompt":"solid surfaces, mesh wireframe terrain, shaded 3D render, photographic texture, smooth gradients, glowing fog","contrasts":[],"images":[],"references":[{"label":"remotion-video-ui-library — Background/LidarPointCloud","url":"https://github.com/asamiile/remotion-video-ui-library/tree/main/src/Background/LidarPointCloud"}],"links":{"page":{"ja":"https://visual-gallery.asami.tokyo/ja/styles/lidar-point-cloud","en":"https://visual-gallery.asami.tokyo/en/styles/lidar-point-cloud"},"json":"https://visual-gallery.asami.tokyo/api/v1/styles/lidar-point-cloud","markdown":"https://visual-gallery.asami.tokyo/api/v1/styles/lidar-point-cloud/md"}}