package com.xindao.ocr.smartjavaai.model.common.detect.criteria;
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import ai.djl.Device;
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import ai.djl.modality.cv.Image;
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import ai.djl.ndarray.NDList;
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import ai.djl.repository.zoo.Criteria;
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import ai.djl.training.util.ProgressBar;
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import cn.smartjavaai.common.enums.DeviceEnum;
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import com.xindao.ocr.smartjavaai.config.OcrDetModelConfig;
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import com.xindao.ocr.smartjavaai.enums.CommonDetModelEnum;
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import com.xindao.ocr.smartjavaai.model.common.detect.translator.PPOCRDetTranslator;
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import org.apache.commons.lang3.StringUtils;
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import java.nio.file.Paths;
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import java.util.Objects;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* @author dwj
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* @date 2025/7/8
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*/
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public class OcrCommonDetCriterialFactory {
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public static Criteria<Image, NDList> createCriteria(OcrDetModelConfig config) {
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Device device = null;
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if(!Objects.isNull(config.getDevice())){
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device = config.getDevice() == DeviceEnum.CPU ? Device.cpu() : Device.gpu(config.getGpuId());
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}
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Criteria<Image, NDList> criteria = null;
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ConcurrentHashMap params = new ConcurrentHashMap<String, String>();
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params.putAll(config.getCustomParams());
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if(StringUtils.isNotBlank(config.getBatchifier())){
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params.put("batchifier", config.getBatchifier());
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}
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if(config.getModelEnum() == CommonDetModelEnum.PP_OCR_V5_SERVER_DET_MODEL ||
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config.getModelEnum() == CommonDetModelEnum.PP_OCR_V5_MOBILE_DET_MODEL ||
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config.getModelEnum() == CommonDetModelEnum.PP_OCR_V4_SERVER_DET_MODEL ||
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config.getModelEnum() == CommonDetModelEnum.PP_OCR_V4_MOBILE_DET_MODEL
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){
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criteria =
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Criteria.builder()
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.optEngine("OnnxRuntime")
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.setTypes(Image.class, NDList.class)
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.optModelPath(Paths.get(config.getDetModelPath()))
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.optTranslator(new PPOCRDetTranslator(params))
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.optDevice(device)
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.optProgress(new ProgressBar())
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.build();
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}
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return criteria;
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}
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}
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