当我们使用darknet框架使用测试语句时，系统调用程序语句，我们需要的是加入可以连续调用图片的系统，在模型载入内存的情况下，完成图片检测。
全部复制并代替，三处修改路径写对 此段代码来自https://blog.csdn.net/mieleizhi0522/article/details/79989754
void test_detector(char *datacfg, char *cfgfile, char *weightfile, char *filename, float thresh, float hier_thresh, char *outfile, int fullscreen) { list *options = read_data_cfg(datacfg); char *name_list = option_find_str(options, "names", "data/names.list"); char **names = get_labels(name_list); image **alphabet = load_alphabet(); network *net = load_network(cfgfile, weightfile, 0); set_batch_network(net, 1); srand(2222222); double time; char buff[256]; char *input = buff; float nms=.45; int i=0; while(1){ if(filename){ strncpy(input, filename, 256); image im = load_image_color(input,0,0); image sized = letterbox_image(im, net->w, net->h); //image sized = resize_image(im, net->w, net->h); //image sized2 = resize_max(im, net->w); //image sized = crop_image(sized2, -((net->w - sized2.w)/2), -((net->h - sized2.h)/2), net->w, net->h); //resize_network(net, sized.w, sized.h); layer l = net->layers[net->n-1]; float *X = sized.data; time=what_time_is_it_now(); network_predict(net, X); printf("%s: Predicted in %f seconds.\n", input, what_time_is_it_now()-time); int nboxes = 0; detection *dets = get_network_boxes(net, im.w, im.h, thresh, hier_thresh, 0, 1, &nboxes); //printf("%d\n", nboxes); //if (nms) do_nms_obj(boxes, probs, l.w*l.h*l.n, l.classes, nms); if (nms) do_nms_sort(dets, nboxes, l.classes, nms); draw_detections(im, dets, nboxes, thresh, names, alphabet, l.classes); free_detections(dets, nboxes); if(outfile) { save_image(im, outfile); } else{ save_image(im, "predictions"); #ifdef OPENCV cvNamedWindow("predictions", CV_WINDOW_NORMAL); if(fullscreen){ cvSetWindowProperty("predictions", CV_WND_PROP_FULLSCREEN, CV_WINDOW_FULLSCREEN); } show_image(im, "predictions"); cvWaitKey(0); cvDestroyAllWindows(); #endif } free_image(im); free_image(sized); if (filename) break; } else { printf("Enter Image Path: "); fflush(stdout); input = fgets(input, 256, stdin); if(!input) return; strtok(input, "\n"); list *plist = get_paths(input); char **paths = (char **)list_to_array(plist); printf("Start Testing!\n"); int m = plist->size; if(access("/home/FENGsl/darknet/data/out",0)==-1)//"/home/FENGsl/darknet/data"修改成自己的路径 { if (mkdir("/home/FENGsl/darknet/data/out",0777))//"/home/FENGsl/darknet/data"修改成自己的路径 { printf("creat file bag failed!!!"); } } for(i = 0; i < m; ++i){ char *path = paths[i]; image im = load_image_color(path,0,0); image sized = letterbox_image(im, net->w, net->h); //image sized = resize_image(im, net->w, net->h); //image sized2 = resize_max(im, net->w); //image sized = crop_image(sized2, -((net->w - sized2.w)/2), -((net->h - sized2.h)/2), net->w, net->h); //resize_network(net, sized.w, sized.h); layer l = net->layers[net->n-1]; float *X = sized.data; time=what_time_is_it_now(); network_predict(net, X); printf("Try Very Hard:"); printf("%s: Predicted in %f seconds.\n", path, what_time_is_it_now()-time); int nboxes = 0; detection *dets = get_network_boxes(net, im.w, im.h, thresh, hier_thresh, 0, 1, &nboxes); //printf("%d\n", nboxes); //if (nms) do_nms_obj(boxes, probs, l.w*l.h*l.n, l.classes, nms); if (nms) do_nms_sort(dets, nboxes, l.classes, nms); draw_detections(im, dets, nboxes, thresh, names, alphabet, l.classes); free_detections(dets, nboxes); if(outfile){ save_image(im, outfile); } else{ char b[2048]; sprintf(b,"/home/FENGsl/darknet/data/out/%s",GetFilename(path));//"/home/FENGsl/darknet/data"修改成自己的路径 save_image(im, b); printf("save %s successfully!\n",GetFilename(path)); #ifdef OPENCV cvNamedWindow("predictions", CV_WINDOW_NORMAL); if(fullscreen){ cvSetWindowProperty("predictions", CV_WND_PROP_FULLSCREEN, CV_WINDOW_FULLSCREEN); } show_image(im, "predictions"); cvWaitKey(0); cvDestroyAllWindows(); #endif } free_image(im); free_image(sized); if (filename) break; } } } }全部复制（包括头文件） 此段代码来自https://blog.csdn.net/mieleizhi0522/article/details/79989754
#include "darknet.h" #include <sys/stat.h> #include<stdio.h> #include<time.h> #include<sys/types.h> static int coco_ids[] = {1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,21,22,23,24,25,27,28,31,32,33,34,35,36,37,38,39,40,41,42,43,44,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,67,70,72,73,74,75,76,77,78,79,80,81,82,84,85,86,87,88,89,90}; char *GetFilename(char *p) { static char name[20]={""}; char *q = strrchr(p,'/') + 1; strncpy(name,q,6);//注意后面的6，如果你的测试集的图片的名字字符（不包括后缀）是其他长度，请改为你需要的长度（官方的默认的长度是6） return name; }一定要记住重新make，在darknet文件下
make 通过darknet/example/darknet.c编译生成的libdarknet.so包被加载到python中最后被darknet.py调用
①文件名为6位的字符串 ②建立一个图片绝对路径文本
ls -R /home/******/YOLO-master/darknet/data/input/* > input.txt命令：./darknet detect cfg/yolov3.cfg yolov3.weights Enter Image Path:输入input.txt的路径
/xxx/xxx/xxx/input.txt