FolderImagesInfer.c

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/*
Through this example program, we demonstrate how to use the defect segmentation model exported from
Mech-DLK to infer all images in a folder.
*/

#include <io.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "c/dl_packInfer.h"
#include "c/dl_definition.h"

const unsigned int kDeviceId = 0;
const unsigned int kImageNum = 1;
const unsigned int kModuleIdx = 0;

const char* kPackPath = "./resources/DefectSegmentation/defect_segmentation_model.dlkpack";
const char* kImagePath = "./resources/DefectSegmentation/*.jpg";

char* stringConcat(char* a, char* b)
{
    char* result = (char*)malloc(strlen(a) + strlen(b) + 1);
    strcpy(result, a);
    strcat(result, b);
    return result;
}

int main()
{
    Engine engine;
    StatusCode statusCode = createPackInferEngine(&engine, kPackPath, GpuDefault, kDeviceId);
    if (statusCode == E_INVALID_MODEL_PATH) {
        printf("Please ensure that the model path is correct!\n");
        return -1;
    }

    intptr_t handle;
    struct _finddata_t fileinfo;
    handle = _findfirst(kImagePath, &fileinfo);
    do {
        if (!(fileinfo.attrib & _A_SUBDIR)) {
            char* imagePath = stringConcat("./resources/DefectSegmentation/", fileinfo.name);
            MMindImage input;
            statusCode = createImage(imagePath, &input);
            statusCode = infer(&engine, &input, kImageNum);

            DefectAndEdgeResult* defectAndEdgeResult = NULL;
            unsigned int resultNum = 0;
            statusCode =
                getDefectSegmentataionResult(&engine, kModuleIdx, &defectAndEdgeResult, &resultNum);
            statusCode = resultVisualization(&engine, &input, kImageNum);
            statusCode = showImage(&input, "result");

            // Note that the following function should be called to prevent memory leaks.
            releaseDefectSegmentationResult(&defectAndEdgeResult, resultNum);
            releaseImage(&input);

            free(imagePath);
        }
    } while (!_findnext(handle, &fileinfo));
    releasePackInferEngine(&engine);
    printf("Defect Segmentation model inference successful!\n");
    _findclose(handle);

    return 0;
}