Exploring Depth Cameras: A Comparison of ZED Series and Intel RealSense
In this edition of our newsletter, we delve into the world of depth cameras, exploring two prominent players in the field: the ZED series by Stereolabs and the Intel RealSense series. Whether you're involved in robotics, augmented reality, or 3D scanning, the choice of the right depth camera can significantly impact the quality and precision of your projects. Join us as we compare these two camera series and discuss their features, applications, and key differences.
Let's dive in!
Depth Cameras Comparison
In the world of depth cameras, the ZED series by Stereolabs and the Intel RealSense series are two contenders that stand out. Here's a quick look at how they stack up against each other (as well as a normal camera):
|ZED Series||Intel RealSense Series ⠀⠀⠀||Web camera|
|Pricing ⠀⠀⠀||High ⠀⠀⠀||Mid ⠀⠀⠀||Low ⠀⠀⠀|
|Point Cloud ⠀⠀⠀||✔ ⠀⠀⠀||✔ ⠀⠀⠀||X ⠀⠀⠀|
|Point Cloud Accuracy⠀⠀⠀||More accurate ⠀⠀⠀||Less accurate⠀⠀⠀||X ⠀⠀⠀|
|GPU Requirement ⠀⠀⠀||✔ ⠀⠀⠀||X ⠀⠀⠀||X ⠀⠀⠀|
|ROS I ⠀⠀⠀||✔ ⠀⠀⠀||✔ ⠀⠀⠀||✔ ⠀⠀⠀|
|ROS II ⠀⠀⠀||✔ ⠀⠀⠀||✔ ⠀⠀⠀||✔ ⠀⠀⠀|
|Field of View (FOV) ⠀⠀⠀||Wide FOV ⠀⠀⠀||Narrow FOV ⠀⠀⠀||X ⠀⠀⠀|
|Inbuilt NN ⠀⠀⠀||✔ ⠀⠀⠀||X ⠀⠀⠀||X ⠀⠀⠀|
ZED Series Depth Cameras
The ZED series depth cameras, developed by Stereolabs, have gained recognition for their accuracy and high frame rate. These cameras utilize a pair of monochrome cameras to capture depth information, resulting in depth maps with resolutions up to 1280x720 pixels. Some key features of the ZED series depth cameras include:
- Wide field of view (up to 120 degrees)
- High frame rate (up to 120 fps)
- Accurate depth maps (<1% accuracy at 2 meters)
- Low latency (<100 milliseconds)
- Open-source SDK
These features make the ZED series a preferred choice for applications in robotics, augmented reality, and 3D scanning.
Intel RealSense Depth Cameras
The Intel RealSense depth cameras, developed by Intel, employ various technologies including stereo vision, structured light, and time-of-flight to capture depth information. With models ranging from short-range to long-range capabilities, these cameras offer versatility and accuracy. Key features of the Intel RealSense depth cameras include:
- Wide range of capabilities
- High accuracy (<2% accuracy at 2 meters)
- Low latency (<100 milliseconds)
- Open-source SDK
These attributes position Intel RealSense depth cameras as a go-to choice for robotics, augmented reality, and 3D scanning applications.
Key Differences and Use Cases
While both the ZED series and Intel RealSense series depth cameras excel in their own right, they exhibit distinct characteristics that influence their best-fit applications:
- Accuracy: ZED series cameras boast superior accuracy due to their sophisticated stereo-vision algorithm.
- Field of View: ZED series cameras offer a wider field of view, making them ideal for capturing larger areas in a single image.
- Price: ZED series cameras, crafted with high-quality components, tend to be priced higher than Intel RealSense cameras.
These differences play a pivotal role in choosing the right camera for your specific projects.
Robotic Projects and Recommendations
In our robotics projects, we've found a symbiotic relationship between the ZED series and Intel RealSense depth cameras. We recommend leveraging ZED series cameras for navigation tasks, while Intel RealSense cameras shine in manipulation-based scenarios due to their narrower FOV. Some of our projects that benefit from this synergy include:
Stay tuned for more updates and insights in the world of robotics and depth sensing.
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