コード例 #1
0
def detect(args):
    image, data = args
    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))

    if not data.feature_index_exists(image):
        mask = data.mask_as_array(image)
        if mask is not None:
            logger.info('Found mask to apply for image {}'.format(image))
        preemptive_max = data.config.get('preemptive_max', 200)
        p_unsorted, f_unsorted, c_unsorted = features.extract_features(
            data.image_as_array(image), data.config, mask)
        if len(p_unsorted) == 0:
            return

        size = p_unsorted[:, 2]
        order = np.argsort(size)
        p_sorted = p_unsorted[order, :]
        f_sorted = f_unsorted[order, :]
        c_sorted = c_unsorted[order, :]
        p_pre = p_sorted[-preemptive_max:]
        f_pre = f_sorted[-preemptive_max:]
        data.save_features(image, p_sorted, f_sorted, c_sorted)
        data.save_preemptive_features(image, p_pre, f_pre)

        if data.config.get('matcher_type', 'FLANN') == 'FLANN':
            index = features.build_flann_index(f_sorted, data.config)
            data.save_feature_index(image, index)
コード例 #2
0
ファイル: detect_features.py プロジェクト: mfzhang/OpenSfM
def detect(args):
    image, data = args

    log.setup()

    need_words = data.config[
        'matcher_type'] == 'WORDS' or data.config['matching_bow_neighbors'] > 0
    need_flann = data.config['matcher_type'] == 'FLANN'
    has_words = not need_words or data.words_exist(image)
    has_flann = not need_flann or data.feature_index_exists(image)
    has_features = data.features_exist(image)

    if has_features and has_flann and has_words:
        logger.info('Skip recomputing {} features for image {}'.format(
            data.feature_type().upper(), image))
        return

    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))

    start = timer()

    p_unmasked, f_unmasked, c_unmasked = features.extract_features(
        data.load_image(image), data.config)

    fmask = data.load_features_mask(image, p_unmasked)

    p_unsorted = p_unmasked[fmask]
    f_unsorted = f_unmasked[fmask]
    c_unsorted = c_unmasked[fmask]

    if len(p_unsorted) == 0:
        logger.warning('No features found in image {}'.format(image))
        return

    size = p_unsorted[:, 2]
    order = np.argsort(size)
    p_sorted = p_unsorted[order, :]
    f_sorted = f_unsorted[order, :]
    c_sorted = c_unsorted[order, :]
    data.save_features(image, p_sorted, f_sorted, c_sorted)

    if need_flann:
        index = features.build_flann_index(f_sorted, data.config)
        data.save_feature_index(image, index)
    if need_words:
        bows = bow.load_bows(data.config)
        n_closest = data.config['bow_words_to_match']
        closest_words = bows.map_to_words(f_sorted, n_closest,
                                          data.config['bow_matcher_type'])
        data.save_words(image, closest_words)

    end = timer()
    report = {
        "image": image,
        "num_features": len(p_sorted),
        "wall_time": end - start,
    }
    data.save_report(io.json_dumps(report), 'features/{}.json'.format(image))
コード例 #3
0
def detect(args):
    image, data = args

    log.setup()

    need_words = (data.config["matcher_type"] == "WORDS"
                  or data.config["matching_bow_neighbors"] > 0)
    has_words = not need_words or data.words_exist(image)
    has_features = data.features_exist(image)

    if has_features and has_words:
        logger.info("Skip recomputing {} features for image {}".format(
            data.feature_type().upper(), image))
        return

    logger.info("Extracting {} features for image {}".format(
        data.feature_type().upper(), image))

    start = timer()

    image_array = data.load_image(image)
    p_unmasked, f_unmasked, c_unmasked = features.extract_features(
        image_array, data.config, is_high_res_panorama(data, image,
                                                       image_array))

    fmask = data.load_features_mask(image, p_unmasked)

    p_unsorted = p_unmasked[fmask]
    f_unsorted = f_unmasked[fmask]
    c_unsorted = c_unmasked[fmask]

    if len(p_unsorted) == 0:
        logger.warning("No features found in image {}".format(image))

    size = p_unsorted[:, 2]
    order = np.argsort(size)
    p_sorted = p_unsorted[order, :]
    f_sorted = f_unsorted[order, :]
    c_sorted = c_unsorted[order, :]
    data.save_features(image, p_sorted, f_sorted, c_sorted)

    if need_words:
        bows = bow.load_bows(data.config)
        n_closest = data.config["bow_words_to_match"]
        closest_words = bows.map_to_words(f_sorted, n_closest,
                                          data.config["bow_matcher_type"])
        data.save_words(image, closest_words)

    end = timer()
    report = {
        "image": image,
        "num_features": len(p_sorted),
        "wall_time": end - start,
    }
    data.save_report(io.json_dumps(report), "features/{}.json".format(image))
コード例 #4
0
ファイル: detect_features.py プロジェクト: gy20073/OpenSfM
def detect(args):
    image, data = args
    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))

    if not data.features_exist(image):
        mask = data.mask_as_array(image)
        if mask is not None:
            print("found mask for image:%s" % image)
            logger.info('Found mask to apply for image {}'.format(image))
        else:
            print("Not found mask for the image")
        preemptive_max = data.config.get('preemptive_max', 200)
        the_image = data.image_as_array(image)

        save_no_mask = False
        all_content = features.extract_features(the_image, data.config, mask,
                                                save_no_mask)
        if save_no_mask:
            p_unsorted, f_unsorted, c_unsorted = all_content[0]
            p_nomask, f_nomask, c_nomask = all_content[1]
        else:
            p_unsorted, f_unsorted, c_unsorted = all_content

        if len(p_unsorted) == 0:
            return
        '''
        size_nomask = p_nomask[:, 2]
        order_nomask = np.argsort(size_nomask)
        p_nomask = p_nomask[order_nomask, :]
        f_nomask = f_nomask[order_nomask, :]
        c_nomask = c_nomask[order_nomask, :]
        p_nomask_pre = p_nomask[-preemptive_max:]
        f_nomask_pre = f_nomask[-preemptive_max:]
        data.save_features(image+'_nomask', p_nomask, f_nomask, c_nomask)
        data.save_preemptive_features(image+'_nomask', p_nomask_pre, f_nomask_pre)
        index_nomask = features.build_flann_index(f_nomask, data.config)
        data.save_feature_index(image+'_nomask', index_nomask)
        '''

        size = p_unsorted[:, 2]
        order = np.argsort(size)
        p_sorted = p_unsorted[order, :]
        f_sorted = f_unsorted[order, :]
        c_sorted = c_unsorted[order, :]
        data.save_features(image, p_sorted, f_sorted, c_sorted)
        if data.config.get('preemptive_threshold', 0) > 0:
            p_pre = p_sorted[-preemptive_max:]
            f_pre = f_sorted[-preemptive_max:]
            data.save_preemptive_features(image, p_pre, f_pre)

        if data.config.get('matcher_type', "BRUTEFORCE") == "FLANN":
            index = features.build_flann_index(f_sorted, data.config)
            data.save_feature_index(image, index)
コード例 #5
0
ファイル: submodel.py プロジェクト: jchen706/grpc_stages
def detect(args):
    image, data = args
    print('detect')
    print(image)
    print(data)

    #log.setup()

    need_words = data.config[
        'matcher_type'] == 'WORDS' or data.config['matching_bow_neighbors'] > 0
    has_words = not need_words or data.words_exist(image)
    has_features = data.features_exist(image)

    if has_features and has_words:
        #logger.info('Skip recomputing {} features for image {}'.format(data.feature_type().upper(), image))
        return

    #logger.info('Extracting {} features for image {}'.format(data.feature_type().upper(), image))

    #start = timer()

    p_unmasked, f_unmasked, c_unmasked = features.extract_features(
        data.load_image(image), data.config)

    fmask = data.load_features_mask(image, p_unmasked)

    p_unsorted = p_unmasked[fmask]
    f_unsorted = f_unmasked[fmask]
    c_unsorted = c_unmasked[fmask]

    if len(p_unsorted) == 0:
        #logger.warning('No features found in image {}'.format(image))
        return

    size = p_unsorted[:, 2]
    order = np.argsort(size)
    p_sorted = p_unsorted[order, :]
    f_sorted = f_unsorted[order, :]
    c_sorted = c_unsorted[order, :]
    data.save_features(image, p_sorted, f_sorted, c_sorted)

    if need_words:
        bows = bow.load_bows(data.config)
        n_closest = data.config['bow_words_to_match']
        closest_words = bows.map_to_words(f_sorted, n_closest,
                                          data.config['bow_matcher_type'])
        data.save_words(image, closest_words)
コード例 #6
0
def detect(feature_path, image_path, image, opensfm_config):

    log.setup()

    need_words = opensfm_config['matcher_type'] == 'WORDS' or opensfm_config[
        'matching_bow_neighbors'] > 0
    #has_words = not need_words or data.words_exist(image)
    #has_features = data.features_exist(image)

    # if has_features and has_words:
    #     logger.info('Skip recomputing {} features for image {}'.format(
    #         data.feature_type().upper(), image))
    #     return

    #logger.info('Extracting {} features for image {}'.format(data.feature_type().upper(), image))

    p_unmasked, f_unmasked, c_unmasked = features.extract_features(
        load_image(image_path), opensfm_config)

    #p_unmasked is points
    mask_files = defaultdict(lambda: None)
    fmask = load_features_mask(feature_path, image, image_path, p_unmasked,
                               mask_files, opensfm_config)

    p_unsorted = p_unmasked[fmask]
    f_unsorted = f_unmasked[fmask]
    c_unsorted = c_unmasked[fmask]

    if len(p_unsorted) == 0:
        #logger.warning('No features found in image {}'.format(image))
        return

    size = p_unsorted[:, 2]
    order = np.argsort(size)
    p_sorted = p_unsorted[order, :]
    f_sorted = f_unsorted[order, :]
    c_sorted = c_unsorted[order, :]
    save_features(feature_path, opensfm_config, image, p_sorted, f_sorted,
                  c_sorted)

    if need_words:
        bows = bow.load_bows(opensfm_config)
        n_closest = opensfm_config['bow_words_to_match']
        closest_words = bows.map_to_words(f_sorted, n_closest,
                                          opensfm_config['bow_matcher_type'])
        save_words(feature_path, image_path, closest_words)
コード例 #7
0
def extract_features(problem, data):
    """
    Extract features from all images, and save to DataSet.
    """
    assert 'masks' not in data.config
    for image in data.images():
        if data.feature_index_exists(image):
            print "{} - extracting features (cached)".format(image)
        else:
            print "{} - extracting features".format(image)
            data.config['masks'] = problem.image2masks[image]
            points, descriptors, colors = features.extract_features(
                data.image_as_array(image), data.config)
            del data.config['masks']
            data.save_features(image, points, descriptors, colors)
            index = features.build_flann_index(descriptors, data.config)
            data.save_feature_index(image, index)
コード例 #8
0
def detect(args):
    log.setup()

    image, data = args
    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))

    if not data.feature_index_exists(image):
        start = timer()
        mask = data.load_combined_mask(image)
        if mask is not None:
            logger.info('Found mask to apply for image {}'.format(image))
        preemptive_max = data.config['preemptive_max']
        p_unsorted, f_unsorted, c_unsorted = features.extract_features(
            data.load_image(image), data.config, mask)
        if len(p_unsorted) == 0:
            return

        size = p_unsorted[:, 2]
        order = np.argsort(size)
        p_sorted = p_unsorted[order, :]
        f_sorted = f_unsorted[order, :]
        c_sorted = c_unsorted[order, :]
        p_pre = p_sorted[-preemptive_max:]
        f_pre = f_sorted[-preemptive_max:]
        data.save_features(image, p_sorted, f_sorted, c_sorted)
        data.save_preemptive_features(image, p_pre, f_pre)

        if data.config['matcher_type'] == 'FLANN':
            index = features.build_flann_index(f_sorted, data.config)
            data.save_feature_index(image, index)

        end = timer()
        report = {
            "image": image,
            "num_features": len(p_sorted),
            "wall_time": end - start,
        }
        data.save_report(io.json_dumps(report),
                         'features/{}.json'.format(image))
コード例 #9
0
def detect(args):
    log.setup()

    image, data = args
    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))

    if not data.feature_index_exists(image):
        start = timer()
        mask = data.mask_as_array(image)
        if mask is not None:
            logger.info('Found mask to apply for image {}'.format(image))
        preemptive_max = data.config['preemptive_max']
        p_unsorted, f_unsorted, c_unsorted = features.extract_features(
            data.image_as_array(image), data.config, mask)
        if len(p_unsorted) == 0:
            return

        size = p_unsorted[:, 2]
        order = np.argsort(size)
        p_sorted = p_unsorted[order, :]
        f_sorted = f_unsorted[order, :]
        c_sorted = c_unsorted[order, :]
        p_pre = p_sorted[-preemptive_max:]
        f_pre = f_sorted[-preemptive_max:]
        data.save_features(image, p_sorted, f_sorted, c_sorted)
        data.save_preemptive_features(image, p_pre, f_pre)

        if data.config['matcher_type'] == 'FLANN':
            index = features.build_flann_index(f_sorted, data.config)
            data.save_feature_index(image, index)

        end = timer()
        report = {
            "image": image,
            "num_features": len(p_sorted),
            "wall_time": end - start,
        }
        data.save_report(io.json_dumps(report),
                         'features/{}.json'.format(image))
コード例 #10
0
ファイル: detect_features.py プロジェクト: Caboosey/OpenSfM
def detect(args):
    image, data = args
    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))
    if not data.feature_index_exists(image):
        preemptive_max = data.config.get('preemptive_max', 200)
        p_unsorted, f_unsorted, c_unsorted = features.extract_features(
            data.image_as_array(image), data.config)
        if len(p_unsorted) == 0:
            return

        size = p_unsorted[:, 2]
        order = np.argsort(size)
        p_sorted = p_unsorted[order, :]
        f_sorted = f_unsorted[order, :]
        c_sorted = c_unsorted[order, :]
        p_pre = p_sorted[-preemptive_max:]
        f_pre = f_sorted[-preemptive_max:]
        data.save_features(image, p_sorted, f_sorted, c_sorted)
        data.save_preemptive_features(image, p_pre, f_pre)
        index = features.build_flann_index(f_sorted, data.config)
        data.save_feature_index(image, index)
コード例 #11
0
def detect(
    image: str,
    image_array: np.ndarray,
    segmentation_array: Optional[np.ndarray],
    instances_array: Optional[np.ndarray],
    data: DataSetBase,
    force: bool = False,
) -> None:
    log.setup()

    need_words = (
        data.config["matcher_type"] == "WORDS"
        or data.config["matching_bow_neighbors"] > 0
    )
    has_words = not need_words or data.words_exist(image)
    has_features = data.features_exist(image)

    if not force and has_features and has_words:
        logger.info(
            "Skip recomputing {} features for image {}".format(
                data.feature_type().upper(), image
            )
        )
        return

    logger.info(
        "Extracting {} features for image {}".format(data.feature_type().upper(), image)
    )

    start = timer()

    p_unmasked, f_unmasked, c_unmasked = features.extract_features(
        image_array, data.config, is_high_res_panorama(data, image, image_array)
    )

    # Load segmentation and bake it in the data
    if data.config["features_bake_segmentation"]:
        exif = data.load_exif(image)
        s_unsorted, i_unsorted = bake_segmentation(
            image_array, p_unmasked, segmentation_array, instances_array, exif
        )
        p_unsorted = p_unmasked
        f_unsorted = f_unmasked
        c_unsorted = c_unmasked
    # Load segmentation, make a mask from it mask and apply it
    else:
        s_unsorted, i_unsorted = None, None
        fmask = masking.load_features_mask(data, image, p_unmasked)
        p_unsorted = p_unmasked[fmask]
        f_unsorted = f_unmasked[fmask]
        c_unsorted = c_unmasked[fmask]

    if len(p_unsorted) == 0:
        logger.warning("No features found in image {}".format(image))

    size = p_unsorted[:, 2]
    order = np.argsort(size)
    p_sorted = p_unsorted[order, :]
    f_sorted = f_unsorted[order, :]
    c_sorted = c_unsorted[order, :]
    if s_unsorted is not None:
        semantic_data = features.SemanticData(
            s_unsorted[order],
            i_unsorted[order] if i_unsorted is not None else None,
            data.segmentation_labels(),
        )
    else:
        semantic_data = None
    features_data = features.FeaturesData(p_sorted, f_sorted, c_sorted, semantic_data)
    data.save_features(image, features_data)

    if need_words:
        bows = bow.load_bows(data.config)
        n_closest = data.config["bow_words_to_match"]
        closest_words = bows.map_to_words(
            f_sorted, n_closest, data.config["bow_matcher_type"]
        )
        data.save_words(image, closest_words)

    end = timer()
    report = {
        "image": image,
        "num_features": len(p_sorted),
        "wall_time": end - start,
    }
    data.save_report(io.json_dumps(report), "features/{}.json".format(image))
コード例 #12
0
def detect(args: Tuple[str, DataSetBase]):
    image, data = args

    log.setup()

    need_words = (data.config["matcher_type"] == "WORDS"
                  or data.config["matching_bow_neighbors"] > 0)
    has_words = not need_words or data.words_exist(image)
    has_features = data.features_exist(image)

    if has_features and has_words:
        logger.info("Skip recomputing {} features for image {}".format(
            data.feature_type().upper(), image))
        return

    logger.info("Extracting {} features for image {}".format(
        data.feature_type().upper(), image))

    start = timer()

    image_array = data.load_image(image)
    p_unmasked, f_unmasked, c_unmasked = features.extract_features(
        image_array, data.config, is_high_res_panorama(data, image,
                                                       image_array))

    # Load segmentation and bake it in the data
    if data.config["features_bake_segmentation"]:
        exif = data.load_exif(image)
        panoptic_data = [None, None]
        for i, p_data in enumerate(
            [data.load_segmentation(image),
             data.load_instances(image)]):
            if p_data is None:
                continue
            new_height, new_width = p_data.shape
            ps = upright.opensfm_to_upright(
                p_unmasked[:, :2],
                exif["width"],
                exif["height"],
                exif["orientation"],
                new_width=new_width,
                new_height=new_height,
            ).astype(int)
            panoptic_data[i] = p_data[ps[:, 1], ps[:, 0]]
        s_unsorted, i_unsorted = panoptic_data
        p_unsorted = p_unmasked
        f_unsorted = f_unmasked
        c_unsorted = c_unmasked
    # Load segmentation, make a mask from it mask and apply it
    else:
        s_unsorted, i_unsorted = None, None
        fmask = data.load_features_mask(image, p_unmasked)
        p_unsorted = p_unmasked[fmask]
        f_unsorted = f_unmasked[fmask]
        c_unsorted = c_unmasked[fmask]

    if len(p_unsorted) == 0:
        logger.warning("No features found in image {}".format(image))

    size = p_unsorted[:, 2]
    order = np.argsort(size)
    p_sorted = p_unsorted[order, :]
    f_sorted = f_unsorted[order, :]
    c_sorted = c_unsorted[order, :]
    # pyre-fixme[16]: `None` has no attribute `__getitem__`.
    s_sorted = s_unsorted[order] if s_unsorted is not None else None
    i_sorted = i_unsorted[order] if i_unsorted is not None else None
    data.save_features(image, p_sorted, f_sorted, c_sorted, s_sorted, i_sorted)

    if need_words:
        bows = bow.load_bows(data.config)
        n_closest = data.config["bow_words_to_match"]
        closest_words = bows.map_to_words(f_sorted, n_closest,
                                          data.config["bow_matcher_type"])
        data.save_words(image, closest_words)

    end = timer()
    report = {
        "image": image,
        "num_features": len(p_sorted),
        "wall_time": end - start,
    }
    data.save_report(io.json_dumps(report), "features/{}.json".format(image))
コード例 #13
0
def detect(args):
    image, tags, data = args
    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))
    DEBUG = 0

    # check if features already exist
    if not data.feature_index_exists(image):

        mask = data.mask_as_array(image)
        if mask is not None:
            logger.info('Found mask to apply for image {}'.format(image))
        preemptive_max = data.config.get('preemptive_max', 200)
        p_unsorted, f_unsorted, c_unsorted = features.extract_features(
            data.image_as_array(image), data.config, mask)
        if len(p_unsorted) == 0:
            return

        #===== prune features in tags =====#
        if data.config.get('prune_features_on_tags', False):

            # setup
            img = cv2.imread(os.path.join(data.data_path, 'images', image))
            [height, width, _] = img.shape
            p_denorm = features.denormalized_image_coordinates(
                p_unsorted, width, height)

            # expand tag contour with grid points beyond unit square
            expn = 2.0
            gridpts = np.array(
                [[-expn, expn], [expn, expn], [expn, -expn], [-expn, -expn]],
                dtype='float32')

            # find features to prune
            rm_list = []
            for tag in tags:

                # contour from tag region
                contours = np.array(tag.corners)
                if DEBUG > 0:
                    for i in range(0, 3):
                        cv2.line(img, (tag.corners[i, 0].astype('int'),
                                       tag.corners[i, 1].astype('int')),
                                 (tag.corners[i + 1, 0].astype('int'),
                                  tag.corners[i + 1, 1].astype('int')),
                                 [0, 255, 0], 12)
                    cv2.line(img, (tag.corners[3, 0].astype('int'),
                                   tag.corners[3, 1].astype('int')),
                             (tag.corners[0, 0].astype('int'),
                              tag.corners[0, 1].astype('int')), [0, 255, 0],
                             12)

                # scale contour outward
                H = np.array(tag.homography, dtype='float32')
                contours_expanded = cv2.perspectiveTransform(
                    np.array([gridpts]), H)

                # for each point
                for pidx in range(0, len(p_unsorted)):

                    # point
                    pt = p_denorm[pidx, 0:2]

                    # point in contour
                    inout = cv2.pointPolygonTest(
                        contours_expanded.astype('int'), (pt[0], pt[1]), False)

                    # check result
                    if inout >= 0:
                        rm_list.append(pidx)

            # prune features
            p_unsorted = np.delete(p_unsorted, np.array(rm_list), axis=0)
            f_unsorted = np.delete(f_unsorted, np.array(rm_list), axis=0)
            c_unsorted = np.delete(c_unsorted, np.array(rm_list), axis=0)

            # debug
            if DEBUG > 0:
                p_denorm = np.delete(p_denorm, np.array(rm_list), axis=0)
                for pidx in range(0, len(p_denorm)):
                    pt = p_denorm[pidx, 0:2]
                    cv2.circle(img, (pt[0].astype('int'), pt[1].astype('int')),
                               5, [0, 0, 255], -1)

                cv2.namedWindow('ShowImage', cv2.WINDOW_NORMAL)
                height, width, channels = img.shape
                showw = max(752, width / 4)
                showh = max(480, height / 4)
                cv2.resizeWindow('ShowImage', showw, showh)
                cv2.imshow('ShowImage', img)
                cv2.waitKey(0)
        #===== prune features in tags =====#

        # sort for preemptive
        size = p_unsorted[:, 2]
        order = np.argsort(size)
        p_sorted = p_unsorted[order, :]
        f_sorted = f_unsorted[order, :]
        c_sorted = c_unsorted[order, :]
        p_pre = p_sorted[-preemptive_max:]
        f_pre = f_sorted[-preemptive_max:]

        # save
        data.save_features(image, p_sorted, f_sorted, c_sorted)
        data.save_preemptive_features(image, p_pre, f_pre)

        if data.config.get('matcher_type', 'FLANN') == 'FLANN':
            index = features.build_flann_index(f_sorted, data.config)
            data.save_feature_index(image, index)

    #===== tag features =====#
    if data.config.get('use_apriltags', False) or data.config.get(
            'use_arucotags', False) or data.config.get('use_chromatags',
                                                       False):

        # setup
        try:
            tags_all = data.load_tag_detection()
        except:
            return
        tags = tags_all[image]
        pt = []
        ft = []
        ct = []
        it = []
        imexif = data.load_exif(image)

        # for each tag in image
        for tag in tags:

            # normalize corners
            img = cv2.imread(os.path.join(data.data_path, 'images', image))
            [height, width, _] = img.shape
            #print 'width = ',str(imexif['width'])
            #print 'height= ',str(imexif['height'])
            #print 'width2= ',str(width)
            #print 'heigh2= ',str(height)
            norm_tag_corners = features.normalized_image_coordinates(
                tag.corners, width,
                height)  #imexif['width'], imexif['height'])

            # for each corner of tag
            for r in range(0, 4):

                # tag corners
                pt.append(norm_tag_corners[r, :])

                # tag id
                ft.append(tag.id)

                # colors
                ct.append(tag.colors[r, :])

                # corner id (0,1,2,3)
                it.append(r)

        # if tag features found
        if pt:
            pt = np.array(pt)
            ft = np.array(ft)
            ct = np.array(ct)
            it = np.array(it)
            data.save_tag_features(image, pt, ft, it, ct)
コード例 #14
0
    def detect(self, args):

        image, data = args
        log.setup()
        print()
        print(data)
        self.feature_pdc = {}
        need_words = data.config['matcher_type'] == 'WORDS' or data.config[
            'matching_bow_neighbors'] > 0

        logger.info('Extracting {} features for image {}'.format(
            data.feature_type().upper(), image))
        start = timer()

        #print(image)## 1.jpg
        p_unmasked, f_unmasked, c_unmasked = features.extract_features(
            data.load_image(image), data.config)
        #print(p_unmasked, f_unmasked, c_unmasked)
        fmask = data.load_features_mask(image, p_unmasked)

        p_unsorted = p_unmasked[fmask]
        f_unsorted = f_unmasked[fmask]
        c_unsorted = c_unmasked[fmask]

        if len(p_unsorted) == 0:
            logger.warning('No features found in image {}'.format(image))
            return

        size = p_unsorted[:, 2]
        order = np.argsort(size)
        p_sorted = p_unsorted[order, :]  # points  == numpy.ndarray
        f_sorted = f_unsorted[order, :]  # descriptors
        c_sorted = c_unsorted[order, :]  # colors
        #data.save_features(image, p_sorted, f_sorted, c_sorted)

        points = p_sorted.astype(np.float32)
        descriptors = f_sorted.astype(np.uint8)
        colors = c_sorted
        OPENSFM_FEATURES_VERSION = 1

        self.feature_pdc.update({'points': points})
        self.feature_pdc.update({'descriptors': descriptors})
        self.feature_pdc.update({'colors': colors})
        self.feature_pdc.update(
            {'OPENSFM_FEATURES_VERSION': OPENSFM_FEATURES_VERSION})
        # self.feature_pdc.update({'points':p_sorted})
        # self.feature_pdc.update({'descriptors':f_sorted})
        # self.feature_pdc.update({'colors':c_sorted})
        self.feature_of_images.update({image: self.feature_pdc})

        print("self.feature_of_images==", hex(id(self.feature_of_images)))
        print(image)
        # if need_words:
        #     bows = bow.load_bows(data.config)
        #     n_closest = data.config['bow_words_to_match']
        #     closest_words = bows.map_to_words(
        #         f_sorted, n_closest, data.config['bow_matcher_type'])
        #     data.save_words(image, closest_words)
        end = timer()
        report = {
            "image": image,
            "num_features": len(p_sorted),
            "wall_time": end - start,
        }
        data.save_report_of_features(image, report)
        data.save_report(io.json_dumps(report),
                         'features/{}.json'.format(image))
コード例 #15
0
ファイル: detect_features.py プロジェクト: Jekyll1021/OpenSfM
def detect(args):
    id = current_process()._identity
    prefix = "process %s: " % str(id[0]) if len(id) > 0 else ""

    image, data = args
    if data.features_exist(image):
        return

    print prefix + "detecting features for image %s" % image
    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))

    # Detect features

    # Retrieve image mask
    mask = data.mask_as_array(image)
    if mask is not None:
        print prefix + "found mask for image: %s" % image
        logger.info('Found mask to apply for image {}'.format(image))

        # Obtain segmentation path
        path_seg = data.data_path + "/images/output/results/frontend_vgg/" + os.path.splitext(
            image)[0] + '.png'
    else:
        print prefix + "not found mask for image %s" % image
        path_seg = None

    preemptive_max = data.config.get('preemptive_max', 200)
    the_image = data.image_as_array(image)

    # Extract features
    print prefix + "extracting features from image %s" % image
    save_no_mask = False
    all_content = features.extract_features(the_image, data.config, mask,
                                            save_no_mask, path_seg)

    if save_no_mask:
        p_unsorted, f_unsorted, c_unsorted = all_content[0]
        p_nomask, f_nomask, c_nomask = all_content[1]
    else:
        p_unsorted, f_unsorted, c_unsorted = all_content

    if len(p_unsorted) == 0:
        print prefix + "exit"
        return

    # Save features to file
    print prefix + "saving features"
    size = p_unsorted[:, 2]
    order = np.argsort(size)
    p_sorted = p_unsorted[order, :]
    f_sorted = f_unsorted[order, :]
    c_sorted = c_unsorted[order, :]
    data.save_features(image, p_sorted, f_sorted, c_sorted)
    if data.config.get('preemptive_threshold', 0) > 0:
        p_pre = p_sorted[-preemptive_max:]
        f_pre = f_sorted[-preemptive_max:]
        data.save_preemptive_features(image, p_pre, f_pre)

    # Prepare FLANN matching if necessary
    if data.config.get('matcher_type', "BRUTEFORCE") == "FLANN":
        index = features.build_flann_index(f_sorted, data.config)
        data.save_feature_index(image, index)

    # Done
    print prefix + "exit"
コード例 #16
0
def detect(args):
    log.setup()

    image, data = args

    need_words = data.config['matcher_type'] == 'WORDS' or data.config['matching_bow_neighbors'] > 0
    need_flann = data.config['matcher_type'] == 'FLANN'
    has_words = not need_words or data.words_exist(image)
    has_flann = not need_flann or data.feature_index_exists(image)
    has_features = data.features_exist(image)

    if has_features and has_flann and has_words:
        logger.info('Skip recomputing {} features for image {}'.format(
            data.feature_type().upper(), image))
        return

    logger.info('Extracting {} features for image {}'.format(
        data.feature_type().upper(), image))

    start = timer()

    exif = data.load_exif( image )
    camera_models = data.load_camera_models()
    image_camera_model = camera_models[ exif[ 'camera' ] ]

    if image_camera_model.projection_type in ['equirectangular', 'spherical'] and data.config['matching_unfolded_cube']:
            
        logger.info('Features unfolded cube.')

        # For spherical cameras create an undistorted image for the purposes of
        # feature finding (and later matching).
            
        max_size = data.config.get('ai_process_size', -1)
        if max_size == -1:
            max_size = img.shape[1]
            
        img = data.load_image( image )
            
        undist_tile_size = max_size//4
            
        undist_img = np.zeros( (max_size//2, max_size, 3 ), np.uint8 )
        undist_mask = np.full( (max_size//2, max_size, 1 ), 255, np.uint8 )

        undist_mask[ undist_tile_size:2*undist_tile_size, 2*undist_tile_size:3*undist_tile_size ] = 0
        undist_mask[ undist_tile_size:2*undist_tile_size, undist_tile_size:2*undist_tile_size ] = 0

        # The bottom mask to remove the influence of the camera person should be configurable. It depends on the forward
        # direction of the camera and where the camera person positions themselves in relation to this direction. It'save_feature_index
        # probably worth it to take care with this because the floor could help hold the reconstructions together.
        #undist_mask[ 5*undist_tile_size//4:7*undist_tile_size//4, undist_tile_size//3:undist_tile_size ] = 0
        #undist_mask[ 3*undist_tile_size//2:2*undist_tile_size, undist_tile_size//2:undist_tile_size ] = 0

        spherical_shot = types.Shot()
        spherical_shot.pose = types.Pose()
        spherical_shot.id = image
        spherical_shot.camera = image_camera_model

        perspective_shots = undistort.perspective_views_of_a_panorama( spherical_shot, undist_tile_size )

        for subshot in perspective_shots:

            undistorted = undistort.render_perspective_view_of_a_panorama( img, spherical_shot, subshot )

            subshot_id_prefix = '{}_perspective_view_'.format( spherical_shot.id )

            subshot_name = subshot.id[ len(subshot_id_prefix): ] if subshot.id.startswith( subshot_id_prefix ) else subshot.id
            ( subshot_name, ext ) = os.path.splitext( subshot_name )

            if subshot_name == 'front':
                undist_img[ :undist_tile_size, :undist_tile_size ] = undistorted
                #print( 'front')
            elif subshot_name == 'left':
                undist_img[ :undist_tile_size, undist_tile_size:2*undist_tile_size ] = undistorted
                #print( 'left')
            elif subshot_name == 'back':
                undist_img[ :undist_tile_size, 2*undist_tile_size:3*undist_tile_size ] = undistorted
                #print( 'back')
            elif subshot_name == 'right':
                undist_img[ :undist_tile_size, 3*undist_tile_size:4*undist_tile_size ] = undistorted
                #print( 'right')
            elif subshot_name == 'top':
                undist_img[ undist_tile_size:2*undist_tile_size, 3*undist_tile_size:4*undist_tile_size ] = undistorted
                #print( 'top')
            elif subshot_name == 'bottom':
                undist_img[ undist_tile_size:2*undist_tile_size, :undist_tile_size ] = undistorted
                #print( 'bottom')

            #data.save_undistorted_image(subshot.id, undistorted)

        data.save_undistorted_image(image.split(".")[0], undist_img)

        # We might consider combining a user supplied mask here as well

        undist_img = resized_image(undist_img, data.config)
        p_unsorted, f_unsorted, c_unsorted = features.extract_features(undist_img, data.config, undist_mask)

        # Visualize the features on the unfolded cube
        # --------------------------------------------------------------

        if False:

            h_ud, w_ud, _ = undist_img.shape
            denorm_ud = denormalized_image_coordinates( p_unsorted[:, :2], w_ud, h_ud )

            print( p_unsorted.shape )
            print( denorm_ud.shape )

            rcolors = []

            for point in denorm_ud:
                color = np.random.randint(0,255,(3)).tolist()
                cv2.circle( undist_img, (int(point[0]),int(point[1])), 1, color, -1 )
                rcolors.append( color )

            data.save_undistorted_image( image + '_unfolded_cube.jpg', undist_img)

        # --------------------------------------------------------------

        if len(p_unsorted) > 0:

            # Mask pixels that are out of valid image bounds before converting to equirectangular image coordinates

            bearings = image_camera_model.unfolded_pixel_bearings( p_unsorted[:, :2] )

            p_mask = np.array([ point is not None for point in bearings ])

            p_unsorted = p_unsorted[ p_mask ]
            f_unsorted = f_unsorted[ p_mask ]
            c_unsorted = c_unsorted[ p_mask ]

            p_unsorted[:, :2] = unfolded_cube_to_equi_normalized_image_coordinates( p_unsorted[:, :2], image_camera_model )

        # Visualize the same features converted back to equirectangular image coordinates
        # -----------------------------------------------------------------------------------------

        if False:

            timg = resized_image( img, data.config )

            h, w, _ = timg.shape

            denorm = denormalized_image_coordinates( p_unsorted[:, :2], w, h )

            for ind, point in enumerate( denorm ):
                cv2.circle( timg, (int(point[0]),int(point[1])), 1, rcolors[ind], -1 )

            data.save_undistorted_image('original.jpg', timg)

        #------------------------------------------------------------------------------------------
    else:
        mask = data.load_combined_mask(image)
        if mask is not None:
            logger.info('Found mask to apply for image {}'.format(image))

        p_unsorted, f_unsorted, c_unsorted = features.extract_features(
            data.load_image(image), data.config, mask)

    if len(p_unsorted) == 0:
        logger.warning('No features found in image {}'.format(image))
        return

    size = p_unsorted[:, 2]
    order = np.argsort(size)
    p_sorted = p_unsorted[order, :]
    f_sorted = f_unsorted[order, :]
    c_sorted = c_unsorted[order, :]
    data.save_features(image, p_sorted, f_sorted, c_sorted)

    if need_flann:
        index = features.build_flann_index(f_sorted, data.config)
        data.save_feature_index(image, index)
    if need_words:
        bows = bow.load_bows(data.config)
        n_closest = data.config['bow_words_to_match']
        closest_words = bows.map_to_words(
            f_sorted, n_closest, data.config['bow_matcher_type'])
        data.save_words(image, closest_words)

    end = timer()
    report = {
        "image": image,
        "num_features": len(p_sorted),
        "wall_time": end - start,
    }
    data.save_report(io.json_dumps(report), 'features/{}.json'.format(image))