Unleash the power of 360 cameras with AI-assisted 3D scanning. (Luma AI)

Olli Huttunen
15 Jun 202311:50

TLDRThis video explores the innovative use of AI-assisted 3D scanning with 360 cameras, introducing neural Radiance Fields (NeRF) as a revolutionary technique for creating 3D models. The host, olithutunen, demonstrates how Luma AI's user-friendly app simplifies the process, allowing users to scan objects with ease and generate detailed 3D models. The video also discusses the advantages of using 360 cameras for scanning, including wider coverage and ease of capturing subjects from all angles. NeRF models are shown to be capable of rendering reflections and transparent objects, offering new possibilities for 3D modeling and visualization.

Takeaways

  • 📱 360 cameras can be utilized for 3D modeling with the help of AI-assisted 3D scanning technology.
  • 🧠 NeRF (Neural Radiance Fields) is an advanced method from traditional photogrammetry, using AI to create volume models from recorded environments.
  • 🛠️ There are two ways to create NeRF models: a complex method requiring Python and terminal commands, and a user-friendly cloud service like Luma AI.
  • 📲 Luma AI offers an app for easy NeRF model creation through video recording of an object from various angles.
  • ⏳ After video submission, Luma AI processes it in the cloud, allowing users to view and interact with the 3D model within approximately 30 minutes.
  • 🎥 Luma AI enables the creation of new camera movements and rendering of retakes within the scanned environment without returning to the original location.
  • 🔍 NeRF can represent reflections and transparent objects, which are difficult to capture with traditional photogrammetry.
  • 🖥️ Luma AI supports uploading various materials through a web browser, including still photos and videos for processing.
  • 🌐 360 cameras are compatible with Luma AI, understanding wide shots and equirectangular image formats produced by these cameras.
  • 🤳 The use of a 360 camera simplifies capturing subjects from all sides, especially with features like stabilization and horizon lock.
  • 🎨 NeRF models can be edited and refined using applications like Insta360 Studio before being uploaded to Luma AI for processing.
  • 🚫 Shadows and the photographer's presence in the image can be removed by Luma AI, ensuring only stationary objects remain in the final model.

Q & A

  • What is the main topic discussed in the video script?

    -The main topic discussed in the video script is the use of AI-assisted 3D scanning technology, specifically neural Radiance Fields (Nerf), for creating 3D models using 360 cameras.

  • What is a neural Radiance Field (Nerf)?

    -A neural Radiance Field (Nerf) is an advanced 3D modeling technique that uses AI to calculate and produce volume models from the environment recorded by a camera, allowing for rotation and exploration in three-dimensional space.

  • How does Luma AI make the process of creating Nerf models more user-friendly?

    -Luma AI offers an easy-to-use app that can be downloaded to a phone, enabling users to create Nerf models by simply scanning an object from all sides with a video. The video is then sent to Luma's cloud for processing, and the model can be viewed in about 30 minutes.

  • What advantages does Luma AI provide over traditional photogrammetry?

    -Luma AI, using neural Radiance Fields, can show reflections and transparent objects, which have been difficult to represent in traditional photogrammetry. It also allows for the creation of new camera movements and rendering of retakes without returning to the shooting location.

  • Can Nerf models be created with cameras other than phones?

    -Yes, Nerf models can also be created with other cameras. Users can upload various materials, including videos and still photos, to Luma AI through a web browser on their computer.

  • How does Luma AI handle 360 camera inputs?

    -Luma AI understands large shots taken with double fisheye lenses and supports the equirectangular image format, which is typical for 360 cameras. This allows for capturing wider areas and easier positioning of the camera for scanning.

  • What are the benefits of using a 360 camera for Nerf scanning?

    -A 360 camera can see much wider areas and is often easier to position for capturing subjects from all sides. Features like stabilization and horizon lock help maintain image quality during scanning.

  • How can shadows affect the Nerf scanning process?

    -Shadows created during sunny weather can temporarily cast over the subject and may affect the scan quality. It is recommended to scan in overcast weather with fewer shadows and even lighting for better results.

  • What is the significance of using a full 360 image in certain situations?

    -Using a full 360 image is useful in tight spots where one cannot go around objects, such as narrow alleys or corridors, allowing for capturing the environment from all angles.

  • How does the quality of Nerf models compare to traditional 3D mesh models?

    -Nerf models may not be as accurate as traditional photogrammetry methods but offer a different perspective on 3D modeling. They can be challenging to clean and smooth out in 3D programs, but they provide unique opportunities for rendering and lighting in applications like Unreal Engine.

  • What are some practical applications of Nerf models in the future?

    -While the technology is still developing, Nerf models offer new possibilities for lighting, camera movements, and depth of field effects in applications like Unreal Engine, indicating potential uses in gaming, virtual reality, and other immersive experiences.

Outlines

00:00

📱 Exploring Neural Radiance Fields in 3D Modeling

In this video, Olithutunen introduces the concept of Neural Radiance Fields (Nerf), a cutting-edge technology that revolutionizes 3D modeling by using AI to create volume models from photos or videos. Two primary methods for creating Nerf models are discussed: a complex, technical approach involving Python and terminal commands, and a user-friendly cloud service called Luma AI, which allows for easy scanning and modeling through a mobile app. The video highlights the advantages of Nerf over traditional photogrammetry, such as the ability to capture reflections and transparent objects, and explores the process of scanning objects with a phone, the Luma AI app, and the unique capabilities of 360-degree cameras in capturing wide areas and creating comprehensive 3D models.

05:02

🌐 Utilizing 360 Cameras for 3D Scanning with Luma AI

This paragraph delves into the specifics of using 360 cameras for 3D scanning with Luma AI. It discusses the benefits of 360 cameras, such as their wide field of view and ease of capturing subjects from all sides, especially when using features like stabilization and horizon lock. The process of editing and rendering 360 video shots using Insta 360 Studio application is explained, along with tips on avoiding shadows and ensuring even lighting for optimal scanning conditions. The paragraph also addresses the challenges of removing the photographer from the final model and the creative possibilities of using full 360-degree images in tight spaces, such as narrow alleys or inside cars.

10:02

🚀 The Future of Neural Radiance Fields and 3D Modeling

The final paragraph of the script wraps up the discussion on Nerf models, emphasizing their potential and the ongoing development of the technology. It touches on the ability to translate Nerf models into surface models for 3D programs, although acknowledging the current limitations in accuracy and the need for further refinement. The video concludes by highlighting the exciting prospects of integrating Nerf models into Unreal Engine for advanced lighting and camera effects, suggesting that while the technology is still finding its niche, it offers a fresh perspective on 3D modeling and a glimpse into future possibilities. Olithutunen encourages viewers to experiment with their 360 cameras and to stay tuned for more insights on this emerging field.

Mindmap

Keywords

💡360 cameras

360 cameras are devices capable of capturing panoramic images or videos, recording a full 360-degree field of view. In the context of the video, these cameras are used to capture extensive visual data for 3D modeling and scanning, providing a comprehensive view of the environment that can be translated into detailed 3D representations.

💡3D modeling

3D modeling refers to the process of creating a representation of a three-dimensional object or environment using specialized software. The video discusses how 360 cameras can be utilized for 3D modeling, particularly through the use of AI-assisted technology to generate models that can be explored and manipulated in a virtual space.

💡Neural Radiance Fields (NeRF)

Neural Radiance Fields, or NeRF, is an advanced AI-based method for 3D modeling that goes beyond traditional photogrammetry. It uses artificial intelligence to analyze and calculate the environment recorded by cameras, creating a volume model that can be interacted with in three dimensions. The video highlights NeRF as a significant advancement in the field of 3D scanning and modeling.

💡Luma AI

Luma AI is a cloud service mentioned in the video that simplifies the process of creating NeRF models. Users can upload videos or images of an object to the service, which then processes the data to generate a 3D model. The service is user-friendly and offers the ability to create camera movements and render retakes within the scanned environment.

💡Photogrammetry

Photogrammetry is the science of making measurements from photographs, especially for recovering the exact positions of surface points. In the context of the video, traditional photogrammetry is contrasted with NeRF, which offers a more sophisticated approach to creating 3D models from a series of images.

💡Reflections and transparent objects

The video script mentions that NeRF technology can effectively represent reflections and transparent objects, which have historically been challenging to capture accurately in 3D modeling. This capability expands the range of applications for 3D scanning and modeling, making it more versatile and realistic.

💡Equirectangular image format

The equirectangular image format is a method of mapping panoramic images, as captured by 360 cameras, onto a 2D plane. Luma AI supports this format, allowing for the processing of 360-degree images into 3D models. This format is significant in the video as it enables the use of 360 cameras for comprehensive 3D scanning.

💡Insta 360 camera

Insta 360 is a brand of 360-degree cameras mentioned in the video. The script discusses the benefits of using such cameras for 3D scanning, including features like stabilization and horizon lock, which are crucial for capturing consistent and accurate data for NeRF modeling.

💡Unreal Engine

Unreal Engine is a powerful game engine that can also be used for 3D visualization and rendering. The video mentions the possibility of importing NeRF models into Unreal Engine as volume models, opening up new creative possibilities for lighting, camera movements, and other visual effects.

💡Surface model

A surface model, as discussed in the video, is a type of 3D model composed of polygons that define the shape of an object or environment. While NeRF models can be translated into surface models, the video notes that these may initially appear uneven and require further processing to smooth out details.

Highlights

Neural Radiance Fields (NeRF) revolutionize 3D modeling by creating volume models from camera recordings.

NeRF uses AI to calculate the environment and produce 3D models that can be explored in space.

Luma AI offers a user-friendly cloud service for creating NeRF models through a mobile app.

Scanning with Luma AI involves videoing an object from all sides and sending the footage for processing.

Luma AI allows creating new camera movements and rendering retakes without returning to the shooting location.

NeRF can represent reflections and transparent objects, overcoming previous challenges in 3D modeling.

NeRF models can be trained with various cameras, including 360 cameras, through the Luma AI web browser.

360 cameras with double fisheye lenses and equirectangular image format are supported by Luma AI.

Using a 360 camera simplifies capturing subjects from all sides, especially in hard-to-reach angles.

Insta 360 cameras provide stabilization and horizon lock features beneficial for NeRF scanning.

Post-processing with Insta 360 Studio allows keeping subjects centered in the image during scanning.

Luma AI removes the photographer from the final model, handling shadows and movement effectively.

Overcast weather is ideal for scanning to minimize shadows and ensure even lighting.

NeRF models can be challenging to clean and smooth in 3D programs, showing their limitations.

NeRF models can be exported into Unreal Engine as volume models, opening new creative possibilities.

Neural Radiance Fields are a developing technology with a lot of potential in the field of AI.

The video demonstrates the practical use of 360 cameras for creating NeRF models, offering a new purpose for the technology.