q_feat = feats[:num_query]
    g_feat = feats[num_query:]
    q_pids = np.asarray(pids[:num_query])
    g_pids = np.asarray(pids[num_query:])
    q_camids = np.asarray(camids[:num_query])
    g_camids = np.asarray(camids[num_query:])

    # compute cosine distance
    distmat = 1 - torch.mm(q_feat, g_feat.t())
    distmat = distmat.numpy()

    logger.info("Computing APs for all query images ...")
    cmc, all_ap, all_inp = evaluate_rank(distmat, q_pids, g_pids, q_camids,
                                         g_camids)
    logger.info("Finish computing APs for all query images!")

    visualizer = Visualizer(test_loader.dataset)
    visualizer.get_model_output(all_ap, distmat, q_pids, g_pids, q_camids,
                                g_camids)

    logger.info("Start saving ROC curve ...")
    fpr, tpr, pos, neg = visualizer.vis_roc_curve(args.output)
    visualizer.save_roc_info(args.output, fpr, tpr, pos, neg)
    logger.info("Finish saving ROC curve!")

    logger.info("Saving rank list result ...")
    query_indices = visualizer.vis_rank_list(args.output, args.vis_label,
                                             args.num_vis, args.rank_sort,
                                             args.label_sort, args.max_rank)
    logger.info("Finish saving rank list results!")
Beispiel #2
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    camids = []
    for (feat, pid, camid) in tqdm.tqdm(demo.run_on_loader(test_loader),
                                        total=len(test_loader.loader)):
        feats.append(feat)
        pids.extend(pid)
        camids.extend(camid)

    feats = torch.cat(feats, dim=0)
    q_feat = feats[:num_query]
    g_feat = feats[num_query:]
    q_pids = np.asarray(pids[:num_query])
    g_pids = np.asarray(pids[num_query:])
    q_camids = np.asarray(camids[:num_query])
    g_camids = np.asarray(camids[num_query:])

    # compute cosine distance
    distmat = torch.mm(q_feat, g_feat.t())
    distmat = distmat.numpy()

    logger.info("Computing APs for all query images ...")
    cmc, all_ap, all_inp = evaluate_rank(1 - distmat, q_pids, g_pids, q_camids,
                                         g_camids)

    visualizer = Visualizer(test_loader.loader.dataset)
    visualizer.get_model_output(all_ap, distmat, q_pids, g_pids, q_camids,
                                g_camids)
    logger.info("Saving rank list result ...")
    query_indices = visualizer.vis_rank_list(args.output, args.vis_label,
                                             args.num_vis, args.rank_sort,
                                             args.label_sort, args.max_rank)
Beispiel #3
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# encoding: utf-8
"""
@author:  xingyu liao
@contact: [email protected]
"""

import matplotlib.pyplot as plt
import sys

sys.path.append('.')
from fastreid.utils.visualizer import Visualizer

if __name__ == "__main__":
    baseline_res = Visualizer.load_roc_info("logs/duke_vis/roc_info.pickle")
    mgn_res = Visualizer.load_roc_info("logs/mgn_duke_vis/roc_info.pickle")

    fig = Visualizer.plot_roc_curve(baseline_res['fpr'], baseline_res['tpr'], name='baseline')
    Visualizer.plot_roc_curve(mgn_res['fpr'], mgn_res['tpr'], name='mgn', fig=fig)
    plt.savefig('roc.jpg')

    fig = Visualizer.plot_distribution(baseline_res['pos'], baseline_res['neg'], name='baseline')
    Visualizer.plot_distribution(mgn_res['pos'], mgn_res['neg'], name='mgn', fig=fig)
    plt.savefig('dist.jpg')
Beispiel #4
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    logger.info("Start extracting image features")
    feats = []
    pids = []
    camids = []
    for (feat, pid, camid) in tqdm.tqdm(demo.run_on_loader(test_loader), total=len(test_loader.loader)):
        feats.append(feat)
        pids.extend(pid)
        camids.extend(camid)

    feats = torch.cat(feats, dim=0)
    q_feat = feats[:num_query]
    g_feat = feats[num_query:]
    q_pids = np.asarray(pids[:num_query])
    g_pids = np.asarray(pids[num_query:])
    q_camids = np.asarray(camids[:num_query])
    g_camids = np.asarray(camids[num_query:])

    # compute cosine distance
    distmat = torch.mm(q_feat, g_feat.t())
    distmat = distmat.numpy()

    logger.info("Computing APs for all query images ...")
    cmc, all_ap, all_inp = evaluate_rank(1-distmat, q_pids, g_pids, q_camids, g_camids)

    visualizer = Visualizer(test_loader.loader.dataset)
    visualizer.get_model_output(all_ap, distmat, q_pids, g_pids, q_camids, g_camids)
    logger.info("Saving ranking list result ...")
    visualizer.vis_ranking_list(args.output, args.num_vis, rank_sort=args.rank_sort, max_rank=args.max_rank)