Langhui

Photo Modeling Dataset

1200+ models / 7.25+10,000 photos (about 28TB) ⁇ multiple-viewed high-overlay sequence photographs ⁇ 3D modelling core data

1200+
3D model
725+
Sequence Photo
≈28TB
Total Data Volume
Self-Collected
Data Source
Cleaned
Data Status

Dataset Overview

Photo Modeling DatasetYes.Changsha Langhui Information Technology Co., Ltd. DataAssetsAPI platform operates. High-precision 3D models covering 1,200+ scenarios and their corresponding 7.25+ million multiple-viewed high-overlay sequence photographs (approximately 28TB) are applicable to 3D reconstruction of the landscape, digitization of cultural objects and reverse modelling of buildings.

Dataset NamePhoto Modeling Dataset
Number of 3D models1200+ (approximately 3950GB)
Number of photographs7.25+10,000 (approximately 2528GB)
Data TypeImage (multi-perspective high-overlapping sequence photographs) + 3D model
Data SourceI'm taking the scenery.
Data StatusFully Cleaned
Apply TabsField adapted language

Core Data Fields

Each piece of data contains complete structured fields that cover everything from raw data to annotated information.

Field CategoryField CountTypical Fields
Sequence Photo8Multi-perspective sequence images, overlap (>60%), camera parameters (focal/sensor size), range of the photograph
3D model10Model file (OBJ/FBX/PLY, etc.), face number/cap number, texture paste, coordinate system, accuracy level
ScenesMetadata8Type of scene (building/antiquities/natural landscape/industrial facilities), environmental lighting conditions, date of shooting
Geometric Information6Ground sampling distance (GSD), cloud density, area covered, model scale

Data Sample Showcase

The following is a structured JSON sample showing typical data formats.

Other Organiser
"scene id": "PM-2024-000123",
"scene type": "An ancient architecture," "scene name": "A provincial temple of temples,"
"Photos": { "count": 3840, "avg overlap pct": 72, "gsd mm": 2.3, "total size gb": 13},
"Model": "format": "OBJ+JPG", "vertices": 24.5 million, "faces": 487 million, "texture resolution": "8192x8192", "accuracy level": "high precision",
"coverage": {"scene area m2": 450, "model scale": "1:1"}
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AI Application Scenarios

3D modelling of the scenery

Massive multi-view photo training and optimization of the Structure from Motion and multi-view stereo-matching algorithm.

Digital protection of cultural objects

High-precision models of ancient buildings/antiquities are used for the digital archiving and virtual display of cultural heritage 3D.

Building reverse modelling

The building scene photo and model pairing training AAI automolemic algorithm.

Optimization of tilted photo modelling

Multi-perspective data are used for training and precision enhancement of three-dimensional reconstruction algorithms for tilt photography.

Small scenes are fine reconstruction

Small scene data training refines 3D reconstruction models.

Digital twin cities

The external architecture model is the basic data for digital twin cities.

Frequently asked questions

How do you match pictures and models?
The results of each scene and modelling form a paired data set containing both the camera and internal parameters and the model containing complete geometric and texture information.
How's the data accuracy?
Ground sampling distances (GSD) are at levels 1-5 mm and are representative of millions to millions of degrees, meeting high precision three-dimensional reconstruction needs.
How to Get a Data Sample?
Please contactChangsha Langhui Information Technology Co., Ltd. DataAssetsAPI platform, acquisition of sample data and quotations programme.

Build your digital twin world?

Langham Technology has the nation's leading real-world 3D data acquisition capabilities, collecting a total of 2000 + square kilometers of flight data and 1200 + fine models. All data has been cleaned and quality inspected and can be used directly for AI model training.

Data sample preview · Customized acquisition plan · Professional technical support