36 lines
6.9 KiB
Markdown
36 lines
6.9 KiB
Markdown
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# Hello Classification Python Sample
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This sample demonstrates how to do inference of image classification models using Synchronous Inference Request API.
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Models with only 1 input and output are supported.
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For more detailed information on how this sample works, check the dedicated [article](https://docs.openvino.ai/2025/get-started/learn-openvino/openvino-samples/hello-classification.html)
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## Requirements
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| Options | Values |
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| ----------------------------| ----------------------------------------------------------------------------------------------------------------------|
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| Model Format | OpenVINO™ toolkit Intermediate Representation (.xml + .bin), ONNX (.onnx) |
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| Supported devices | [All](https://docs.openvino.ai/2025/documentation/compatibility-and-support/supported-devices.html) |
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| Other language realization | [C++, C](https://docs.openvino.ai/2025/get-started/learn-openvino/openvino-samples/hello-classification.html), |
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The following Python API is used in the application:
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| Feature | API | Description |
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| ------------------| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------|
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| Basic Infer Flow | [openvino.runtime.Core](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.runtime.Core.html) , | |
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| | [openvino.runtime.Core.read_model](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.runtime.Core.html#openvino.runtime.Core.read_model), | |
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| | [openvino.runtime.Core.compile_model](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.runtime.Core.html#openvino.runtime.Core.compile_model) | Common API to do inference |
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| Synchronous Infer | [openvino.runtime.CompiledModel.infer_new_request](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.runtime.CompiledModel.html#openvino.runtime.CompiledModel.infer_new_request), | Do synchronous inference |
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| Model Operations | [openvino.runtime.Model.inputs](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.runtime.Model.html#openvino.runtime.Model.inputs), | Managing of model |
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| | [openvino.runtime.Model.outputs](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.runtime.Model.html#openvino.runtime.Model.outputs), | |
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| Preprocessing | [openvino.preprocess.PrePostProcessor](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.preprocess.PrePostProcessor.html), | Set image of the original size as input for a model with other input size. |
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| | [openvino.preprocess.InputTensorInfo.set_element_type](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.preprocess.PrePostProcessor.html#openvino.preprocess.InputTensorInfo.set_element_type), | Resize and layout conversions will be performed automatically by the corresponding plugin just before inference |
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| | [openvino.preprocess.InputTensorInfo.set_layout](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.preprocess.PrePostProcessor.html#openvino.preprocess.InputTensorInfo.set_layout), | |
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| | [openvino.preprocess.InputTensorInfo.set_spatial_static_shape](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.preprocess.PrePostProcessor.html#openvino.preprocess.InputTensorInfo.set_spatial_static_shape), | |
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| | [openvino.preprocess.PreProcessSteps.resize](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.preprocess.PreProcessSteps.html#openvino.preprocess.PreProcessSteps.resize), | |
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| | [openvino.preprocess.InputModelInfo.set_layout](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.preprocess.InputModelInfo.html#openvino.preprocess.InputModelInfo.set_layout), | |
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| | [openvino.preprocess.OutputTensorInfo.set_element_type](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.preprocess.OutputTensorInfo.html#openvino.preprocess.OutputTensorInfo.set_element_type), | |
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| | [openvino.preprocess.PrePostProcessor.build](https://docs.openvino.ai/2025/api/ie_python_api/_autosummary/openvino.preprocess.PrePostProcessor.html#openvino.preprocess.PrePostProcessor.build) | |
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