Files
FastDeploy/python/fastdeploy/vision/classification/ppcls/__init__.py
Wang Xinyu a36f5d3396 [Backend] cuda normalize and permute, cuda concat, optimized ppcls, ppdet & ppseg (#546)
* cuda normalize and permute, cuda concat

* add use cuda option for preprocessor

* ppyoloe use cuda normalize

* ppseg use cuda normalize

* add proclib cuda in processor base

* ppcls add use cuda preprocess api

* ppcls preprocessor set gpu id

* fix pybind

* refine ppcls preprocessing use gpu logic

* fdtensor device id is -1 by default

* refine assert message

Co-authored-by: heliqi <1101791222@qq.com>
2022-11-14 18:44:00 +08:00

123 lines
4.5 KiB
Python

# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import
import logging
from .... import FastDeployModel, ModelFormat
from .... import c_lib_wrap as C
class PaddleClasPreprocessor:
def __init__(self, config_file):
"""Create a preprocessor for PaddleClasModel from configuration file
:param config_file: (str)Path of configuration file, e.g resnet50/inference_cls.yaml
"""
self._preprocessor = C.vision.classification.PaddleClasPreprocessor(
config_file)
def run(self, input_ims):
"""Preprocess input images for PaddleClasModel
:param: input_ims: (list of numpy.ndarray)The input image
:return: list of FDTensor
"""
return self._preprocessor.run(input_ims)
def use_gpu(self, gpu_id=-1):
"""Use CUDA preprocessors
:param: gpu_id: GPU device id
"""
return self._preprocessor.use_gpu(gpu_id)
class PaddleClasPostprocessor:
def __init__(self, topk=1):
"""Create a postprocessor for PaddleClasModel
:param topk: (int)Filter the top k classify label
"""
self._postprocessor = C.vision.classification.PaddleClasPostprocessor(
topk)
def run(self, runtime_results):
"""Postprocess the runtime results for PaddleClasModel
:param: runtime_results: (list of FDTensor)The output FDTensor results from runtime
:return: list of ClassifyResult(If the runtime_results is predict by batched samples, the length of this list equals to the batch size)
"""
return self._postprocessor.run(runtime_results)
class PaddleClasModel(FastDeployModel):
def __init__(self,
model_file,
params_file,
config_file,
runtime_option=None,
model_format=ModelFormat.PADDLE):
"""Load a image classification model exported by PaddleClas.
:param model_file: (str)Path of model file, e.g resnet50/inference.pdmodel
:param params_file: (str)Path of parameters file, e.g resnet50/inference.pdiparams, if the model_fomat is ModelFormat.ONNX, this param will be ignored, can be set as empty string
:param config_file: (str) Path of configuration file for deploy, e.g resnet50/inference_cls.yaml
:param runtime_option: (fastdeploy.RuntimeOption)RuntimeOption for inference this model, if it's None, will use the default backend on CPU
:param model_format: (fastdeploy.ModelForamt)Model format of the loaded model
"""
super(PaddleClasModel, self).__init__(runtime_option)
assert model_format == ModelFormat.PADDLE, "PaddleClasModel only support model format of ModelFormat.PADDLE now."
self._model = C.vision.classification.PaddleClasModel(
model_file, params_file, config_file, self._runtime_option,
model_format)
assert self.initialized, "PaddleClas model initialize failed."
def predict(self, im, topk=1):
"""Classify an input image
:param im: (numpy.ndarray) The input image data, a 3-D array with layout HWC, BGR format
:param topk: (int) Filter the topk classify result, default 1
:return: ClassifyResult
"""
self.postprocessor.topk = topk
return self._model.predict(im)
def batch_predict(self, images):
"""Classify a batch of input image
:param im: (list of numpy.ndarray) The input image list, each element is a 3-D array with layout HWC, BGR format
:return list of ClassifyResult
"""
return self._model.batch_predict(images)
@property
def preprocessor(self):
"""Get PaddleClasPreprocessor object of the loaded model
:return PaddleClasPreprocessor
"""
return self._model.preprocessor
@property
def postprocessor(self):
"""Get PaddleClasPostprocessor object of the loaded model
:return PaddleClasPostprocessor
"""
return self._model.postprocessor