SDAA422 June   2026 TDA4VE-Q1

1.   1
2.   Abstract
3.   Trademarks
4. 1Introduction
5. 2Understanding OpenVX Kernel Architecture
   1. 2.1 OpenVX Node Execution Flow
   2. 2.2 Host and Target Kernels
   3. 2.3 A72 Target Execution Model
6. 3Creating a Custom Kernel Package
   1. 3.1 Package Structure
   2. 3.2 Defining the Kernel Interface
7. 4Developing a Custom OpenVX Node for the A72 Core: A Threshold Example
   1. 4.1 Implementing the Host Kernel
   2. 4.2 Implementing the A72 Target Kernel
   3. 4.3 Accessing Image Buffers on the A72 Core
   4. 4.4 Implementing the Threshold Algorithm
   5. 4.5 Registering the Kernel Package
8. 5Integrating the Custom Node into vision_apps
   1. 5.1 Implementing the app_custom_threshold Example
   2. 5.2 Example Execution Log
9. 6Summary
10. 7References

Developing Custom OpenVX Nodes for A72 Cores on TDA4x