Node Catalog

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Key Point

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Pose Detection 2D PoseDetection2D

Detects 17 key points on a person’s body including their major joints, eyes, ears, and nose. Helpful for analyzing body motion including body poses and athletic movements.

• Parameters:
  • Confidence Threshold (Double): 0.3
• Inputs:
  • Image
• Outputs:
  • KP Frame (KPFrame)
  Platforms:JS

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Face Mesh Detection FaceMeshDetection

Detects 17 key points on a person’s body including their major joints, eyes, ears, and nose. Helpful for analyzing body motion including body poses and athletic movements.

• Inputs:
  • Image
• Outputs:
  • KP Frame (KPFrame)
  Platforms:JS

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Calculate Joint Angles CalcJointAngles

Calculates the 2D angle of each joint.

• Inputs:
  • KPFrame
• Outputs:
  • Angles (Vec)
  • Labels (Label[])
  Platforms:JS

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Three Key Point Angle ThreeKPAngle

Calculates the 2D angle between three key points.

• Inputs:
  • KeyPoint
  • KeyPoint
  • KeyPoint
• Outputs:
  • Angle (Double)
  Platforms:JS

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Key Point Distance KPDist

Calculates the distance between two key points.

• Inputs:
  • KeyPoint
  • KeyPoint
• Outputs:
  • Dist (Double)
  Platforms:JS

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Smooth Key Points SmoothKeyPoints

Performs a moving weighted average smoothing algorithm that prioritizes model confidence and weeds out outliers.

• Parameters:
  • Frame Count (Int): 10
• Inputs:
  • KPFrame
• Outputs:
  • KP Frame (KPFrame)
  Platforms:JS

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Crop Key Points CropKeyPoints

Performs a square crop around the region of the KPFrame for use with normalization.

• Inputs:
  • KPFrame
• Outputs:
  • KP Frame (KPFrame)
  Platforms:JS

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Normalize Key Points NormKeyPoints

Performs a L2 normalization on a cropped KPFrame.

• Inputs:
  • KPFrame
• Outputs:
  • KP Frame (KPFrame)
  Platforms:JS

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Normalize Key Points Size NormKeyPointsSize

Performs a normalization on a cropped KPFrame based on the width and height of the keypoints.

• Inputs:
  • KPFrame
• Outputs:
  • KP Frame (KPFrame)
  Platforms:JS

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Compare KPFrames CompareKPFrames

Performs a keypoint-wise cosine similarity on all the keypoints in two KPFrames.

• Inputs:
  • KPFrame
  • KPFrame
• Outputs:
  • Similarities (Vec)
  Platforms:JS

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Calculate Key Point Velocities CalcKeyPointVelocities

Calculates the velocity of each key point using the last frame as reference point.

• Inputs:
  • KPFrame
• Outputs:
  • Velocities (Vec)
  Platforms:JS

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Create Key Point CreateKeyPoint

Creates a key point object.

• Inputs:
  • Double
  • Double
  • Double
  • String
• Outputs:
  • Key Point (KeyPoint)
  Platforms:JS

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Get Key Point GetKeyPoint

Gets a key point object from a KPFrame.

• Parameters:
  • Index (Int): 0
• Inputs:
  • KPFrame
• Outputs:
  • Key Point (KeyPoint)
  Platforms:JS

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Deconstruct Key Point DeconstructKeyPoint

Deconstructs a key point object.

• Inputs:
  • KeyPoint
• Outputs:
  • x (Double)
  • y (Double)
  • score (Double)
  • name (String)
  Platforms:JS

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Set Key Point SetKeyPoint

Sets a key point object.

• Parameters:
  • Index (Int): 0
• Inputs:
  • KPFrame
  • KeyPoint
• Outputs:
  • KP Frame (KPFrame)
  Platforms:JS

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CreateCrop CreateCrop

Creates a crop rectangle from a KPFrame.

• Inputs:
  • KPFrame
  • Image
• Outputs:
  • crop (Vec)
  Platforms:JS

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Object Detection

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Roboflow Detect RoboflowDetect

Runs object detection on an input image using Roboflow Object Detection models.

• Parameters:
  • Model (String):
  • Version (Int): 1
  • API Key (String):
  • Confidence Threshold (Double): 0.5
  • Overlap Threshold (Double): 0.5
• Inputs:
  • Image
• Outputs:
  • BBox Frame (BBoxFrame)
  Platforms:JS

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Vector

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Smooth Vectors SmoothVecs

Performs a moving average smoothing algorithm on vectors.

• Parameters:
  • Frame Count (Int): 10
• Inputs:
  • Vec
• Outputs:
  • KP Frame (Vec)
  Platforms:JS

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Get Vector Value GetVecValue

Gets a value from a Vec.

• Parameters:
  • Index (Int): 0
• Inputs:
  • Vec
• Outputs:
  • Double (Double)
  Platforms:JS

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Set Vector Value SetVecValue

Sets a value to a Vec.

• Parameters:
  • Index (Int): 0
• Inputs:
  • Vec
  • Double
• Outputs:
  • Vec (Vec)
  Platforms:JS

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Display

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Draw Key Points DrawKeyPoints

Draws a KPFrame on an input canvas.

• Parameters:
  • Radius (percent) (Double): 0.1
• Inputs:
  • KPFrame
  • Image
  • Canvas
  Platforms:JS

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Draw Bounding Boxes DrawBBoxFrame

Draws a BBoxFrame on an input canvas.

• Inputs:
  • BBoxFrame
  • Canvas
  Platforms:JS

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Draw Labels DrawLabels

Draws Labels on an input canvas.

• Inputs:
  • Label[]
  • Image
  • Canvas
  Platforms:JS

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Draw One Label DrawLabel

Draws one Label on an input canvas.

• Inputs:
  • Label
  • Image
  • Canvas
  Platforms:JS

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Create Label CreateLabel

Creates a label object.

• Inputs:
  • Double
  • Double
  • String
• Outputs:
  • Label (Label)
  Platforms:JS

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Math

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Add Inputs AddInputs

Adds two inputs.

• Inputs:
  • Double
  • Double
• Outputs:
  • Result (Double)
  Platforms:JS

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Divide Inputs DivideInputs

Divides two inputs.

• Inputs:
  • Double
  • Double
• Outputs:
  • Result (Double)
  Platforms:JS

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Multiply Inputs MultiplyInputs

Multiply two inputs.

• Inputs:
  • Double
  • Double
• Outputs:
  • Result (Double)
  Platforms:JS

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Subtract Inputs SubtractInputs

Subtracts two inputs.

• Inputs:
  • Double
  • Double
• Outputs:
  • Result (Double)
  Platforms:JS

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Constant Constant

Exports its parameter as an output for use with other nodes.

• Parameters:
  • Value (String): 0
  • Data Type (String): 0
• Outputs:
  • Data (Any)
  Platforms:JS

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Round Round

Rounds a Double to the closest whole number.

• Inputs:
  • Double
• Outputs:
  • rounded (Int)
  Platforms:JS

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Clamp Clamp

Clamps a value between a minimum and maximum.

• Parameters:
  • Minimum (Double): 0
  • Maximum (Double): 100
• Inputs:
  • Double
• Outputs:
  • clamped (Int)
  Platforms:JS

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Logic

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Conditional Conditional

Outputs a boolean based on the comparison of two inputs

• Parameters:
  • Operator (String): ==
• Inputs:
  • Any
  • Any
• Outputs:
  • Boolean (Boolean)
  Platforms:JS

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Switch Switch

Prevents execution based on a boolean value. The second input passes directly to the Passthrough output for use in the node after.

• Inputs:
  • Boolean
  • Any
• Outputs:
  • Passthrough (Any)
  Platforms:JS

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I/O

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Crop Crop

Rounds a Double to the closest whole number.

• Inputs:
  • Vec
  • Image
• Outputs:
  • cropped (Image)
  Platforms:JS