Update Dockerfile-jetson (#3209)

docker/Dockerfile-jetson

@@ -23,6 +23,9 @@ WORKDIR /usr/src/ultralytics
 RUN git clone https://github.com/ultralytics/ultralytics /usr/src/ultralytics
 ADD https://github.com/ultralytics/assets/releases/download/v0.0.0/yolov8n.pt /usr/src/ultralytics/
 
+# Remove opencv-python from requirements.txt as it conflicts with opencv-python installed in base image
+RUN grep -v '^opencv-python' requirements.txt > tmp.txt && mv tmp.txt requirements.txt
+
 # Install pip packages manually for TensorRT compatibility https://github.com/NVIDIA/TensorRT/issues/2567
 RUN python3 -m pip install --upgrade pip wheel
 RUN pip install --no-cache tqdm matplotlib pyyaml psutil pandas onnx thop "numpy==1.23"

requirements.txt

@@ -3,7 +3,7 @@
 
 # Base ----------------------------------------
 matplotlib>=3.2.2
-opencv-python>=4.5.0  # <=4.5.0 required for Jetson Docker https://github.com/ultralytics/ultralytics/issues/3183
+opencv-python>=4.6.0
 Pillow>=7.1.2
 PyYAML>=5.3.1
 requests>=2.23.0