3.29 Super 4xMipi CSI

[!IMPORTANT] This page is intended for the Seeed reComputer Super carrier-board family, such as reComputer Super J4011. The CSI connector count, camera orientation, and supported sensor overlays are specific to the Super family.

#Introduction

The reComputer Super features 4x MIPI CSI (Camera Serial Interface) ports, allowing you to connect up to 4 CSI cameras simultaneously. This makes it ideal for multi-camera applications such as 360-degree vision, stereo vision, and multi-angle object tracking.

reComputer Super

#Hardware Requirements

  • reComputer Super with JetPack 6.2 installed
  • Compatible MIPI CSI cameras (up to 4)
  • CSI ribbon cables

#Hardware Connection

#Step 1: Power off the Device

Before connecting or disconnecting CSI cameras, ensure the reComputer Super is powered off to avoid damage.

#Step 2: Open the Back Cover

Open the back cover of the reComputer Super to access the CSI ports.

CSI Connection

#Step 3: Connect the Cameras

Connect the MIPI CSI cameras to the appropriate CSI ports on the reComputer Super board. Ensure the connections are firm and properly seated.

#Step 4: Secure the Cameras

Secure the cameras and ensure all connections are properly tightened.

#Enable the CSI Cameras

#Step 1: Check Camera Recognition

After powering on the device, open a terminal and check if the cameras are recognized:

bash
ls /dev/video*

#Step 2: Install Video Utilities (if needed)

If not already present, install video utilities:

bash
sudo apt install v4l-utils

#Preview the Cameras

CSI Preview

#Preview a Single Camera

Use nvgstcapture-1.0 to preview the CSI stream from a specific camera:

bash
nvgstcapture-1.0 --sensor-id=0

#Preview Multiple Cameras

To preview a different camera, change the --sensor-id parameter:

bash
nvgstcapture-1.0 --sensor-id=1  # For the second camera
nvgstcapture-1.0 --sensor-id=2  # For the third camera
nvgstcapture-1.0 --sensor-id=3  # For the fourth camera

#Common Preview Options

#Specify Resolution

You can specify a custom preview resolution:

bash
nvgstcapture-1.0 --sensor-id=0 --cus-prev-res=1280x720

#Capture Images

To capture an image, press the c key while in the preview window.

#Record Video

To start recording video, press the r key while in the preview window.

#Multi-Camera Applications

The reComputer Super's 4x CSI ports enable a variety of multi-camera applications:

  • 360-degree vision: Use four cameras to capture a complete view of the surroundings
  • Stereo vision: Use two cameras for depth perception and 3D reconstruction
  • Multi-angle object tracking: Track objects from multiple perspectives
  • Simultaneous surveillance: Monitor multiple areas at once

#Troubleshooting

#Camera Not Recognized

  • Ensure the camera is properly connected
  • Check that the camera driver is installed
  • Verify that the camera is compatible with JetPack 6.2

#Poor Image Quality

  • Ensure the camera lens is clean
  • Adjust the camera focus if necessary
  • Check for proper lighting conditions

#Further Reading