TOF Sensor Module ideal for 3D distance measurement High ambient light immunity and flexible assembly.

Interference Prevention

  • If multiple TOF sensors are placed facing each other or in parallel, the output may become unstable due to the influence of the other TOF sensors (mutual interference). Omron’s TOF sensor has software functions to prevent signal interference (maximum 17 units).
  • Signal interference is prevented by changing the LED emission frequency ID to a different ID. For details, see the user’s manual (Manual No.E596-E1)
  • Interference Prevention ID Setting
    Interference Prevention ID Setting
  • Interference Prevention Example
    Interference Prevention Example

High Dynamic Range

HDR (High Dynamic Range) function is installed standard in the sensor The process works by measuring data points at two different exposure times, allowing for a complete view..
When measuring at a certain distance, the HDR function may be turned off if the customer desires to save processing power.

  • RGB camera shoot image

    RGB camera shoot image

    ・The distance to the panel 1m/2m/3m・The distance to the wall is 5m

  • High-speed Mode

    • Exposure time：short
      When the amount of light received is small, the TOF sensor loses its ability to detect black or long distance objects
    • plus
    • Exposure time：long
      When the amount of light received is large, it cannot measure white or short distance objects.
    The two images are overlaid.
    HDR
    A wide range of distance measurements are possible, such as distance perspective and color shade.

3D Conversion

  • Output selection of polar coordinates (r,θ,φ）and Cartesian coordinates (x,y,z) is possible. There is no need to process coordinate conversions on the system side.
  • Cartesian img
    Cartesian
  • Rotated Cartesian img
    Rotated Cartesian
  • Polar img
    Polar
Data name Description
Distance data The three-dimensional distance from the coordinate origin of this product to the object.
Distance data in Cartesian coordinate system Xo, Yo, Zo: X, Y, and Z coordinates based on the origin coordinate as its origin
Distance data in rotated Cartesian coordinate system Xr Yr, Zr: Cartesian coordinate system rotated around Xo, Yo, and Zo axes by the angle specified by the command
Distance data in polar coordinate system r,θ,φ: Polar coordinate system based on the Cartesian coordinate system
Amplitude data Photo sensitivity of each pixel when the LED is emitted 16 bits (256 scales)

Edge Noise Reduction

  • Distance measurement state

  • When there is a distance difference between the object you want to detect and the background, the distance data around the object is an intermediate value of the distance from the background.
    Therefore, the data around the detected object can be gathered.

    • Pixels with distance difference equal to or greater than the threshold value are determined as boundaries (edges). This function outputs the distance/amplitude value of the farther pixel as low amplitude (hidden).
    • False detection rates increase when the pixel distance varies widely. Thus, lowering the threshold makes it easier for proper edge detection.
  • No edge noise removal
  • With edge noise removal

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Order Information

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Detection
principle		 Detection range
(white paper)		 NIR transmission filter Model Minimum delivery unit
TOF Detection range Available (Built-in) B5L-A2S-U01-010 1 pc

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