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--- products:sbc:vim3:npu:opencv-dnn [2023/05/09 23:26]
nick
+++ products:sbc:vim3:npu:opencv-dnn [2023/07/06 06:07]
louis
@@ Line 2: / Line 2: @@
 <WRAP important >
-Just use for VIM3, not in VIM3L.
+Just use for [[:VIM3]] only, not for [[:VIM3L]].
 </WRAP>
@@ Line 19: / Line 19: @@
 ```shell
-$ wget https://dl.khadas.com/development/opencv-4.7-2.deb
+wget https://dl.khadas.com/development/opencv-4.7-2.deb
-$ sudo dpkg -i opencv-4.7-2.deb
+sudo dpkg -i opencv-4.7-2.deb
 ```
 ===== Run Test =====
-==== Get Demo Source ====
+==== Get demo source ====
-Get the example repository from Github.
+Get the example repository from [[kg>OpenCV_NPU_Demo]].
 ```shell
-$ cd ~
+cd ~
-$ git clone https://github.com/khadas/OpenCV_NPU_Demo.git
+git clone https://github.com/khadas/OpenCV_NPU_Demo.git
 ```
@@ Line 39: / Line 39: @@
 ```shell
-$ cd ~/OpenCV_NPU_Demo/cpp_demo
+cd ~/OpenCV_NPU_Demo/cpp_demo
-$ mkdir build && cd build
+mkdir build && cd build
-$ cmake ..
+cmake ..
-$ make
+make
 ```
@@ Line 50: / Line 50: @@
 ```shell
-$ cd ~/OpenCV_NPU_Demo/cpp_demo/build
+cd ~/OpenCV_NPU_Demo/cpp_demo/build
-$ ./detect-camera 1 ../../model/yunet_int8.onnx # My cam is /dev/video1, so there is 1
+./detect-camera 1 ../../model/yunet_int8.onnx
 ```
-{{products:sbc:vim3:npu:opencv-c.jpeg}}
+<WRAP tip >
+For example my cam device node is ''/dev/video1'', 2nd argument must be ''1''
+</WRAP>
+{{products:sbc:vim3:npu:opencv-c.jpeg}}
+===== Quantize Model =====
+We suggest that quantize your model before running on VIM3. If your model performs bad after quantizing, without quantification is okay. Get [[https://github.com/opencv/opencv_zoo/tree/main/tools/quantize|quantized model]]

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