コード例 #1
0
def geometric_voting_rel(boxes, wmax, wmin, rtol, intersect_mode, verb=False):
    global centers, w_max, w_min, radii, r_rel_tol, vote_db, relative_search, verbose
    relative_search = True
    vote_db = {}
    r_rel_tol = rtol
    w_max = wmax
    w_min = wmin
    n = boxes.shape[0]
    radii = np.zeros(n)
    center_points = np.zeros((n, 2))
    # approximate all radii in pixels
    for i, box in enumerate(boxes):
        radii[i] = util.calculate_radius(box)
        center_points[i] = util.calculate_center(box)
    centers = center_points
    # get sorting vector
    sort = radii.argsort()[::-1]
    # sort dat shit
    radii = radii[sort]
    tuple_generator = combos(np.arange(n), 2)
    for count, (ci, cj) in enumerate(tuple_generator):
        # get pair-database indices of pair candidates
        if intersect_mode:
            ci_candidates, cj_candidates = search_pair(ci, cj, True)
            add_votes_to_db(vote_db, ci, ci_candidates)
            add_votes_to_db(vote_db, cj, cj_candidates)
        else:
            ci_d, ci_r, cj_d, cj_r = search_pair(ci, cj, False)
            add_votes_to_db(vote_db, ci, ci_d)
            add_votes_to_db(vote_db, ci, ci_r)
            add_votes_to_db(vote_db, cj, cj_d)
            add_votes_to_db(vote_db, cj, cj_r)

    return do_final_validation(), vote_db
コード例 #2
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def exclusion_by_intersection_rel(boxes, wmax, wmin, rtol, verb=False):
    global centers, w_max, w_min, radii, r_rel_tol, intersect_db, relative_search, verbose
    relative_search = True
    verbose = verb
    intersect_db = {}
    r_rel_tol = rtol
    w_max = wmax
    w_min = wmin
    n = boxes.shape[0]
    radii = np.zeros(n)
    center_points = np.zeros((n, 2))
    # approximate all radii in pixels
    for i, box in enumerate(boxes):
        radii[i] = util.calculate_radius(box)
        center_points[i] = util.calculate_center(box)
    centers = center_points
    # get sorting vector
    sort = radii.argsort()[::-1]
    # sort dat shit
    radii = radii[sort]
    tuple_generator = combos(np.arange(n), 2)
    for ci, cj in tuple_generator:
        # get pair-database indices of pair candidates
        ci_candidates, cj_candidates = search_pair(ci, cj, True)
        add_ids_to_db(intersect_db, ci, ci_candidates)
        add_ids_to_db(intersect_db, cj, cj_candidates)
    return do_final_validation()
コード例 #3
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def normalize_joints(joint_pos):
    center_x, center_y = calculate_center(joint_pos)
    sigma = calculate_sigma(joint_pos)

    for i in joint_pos.keys():
        joint_pos[i][0] = (joint_pos[i][0] - center_x) / sigma
        joint_pos[i][1] = (joint_pos[i][1] - center_y) / sigma

    return joint_pos
コード例 #4
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ファイル: crater_search_eval.py プロジェクト: tditt/ba_final
def measure(anns, kmpp):
    hdf = pd.HDFStore('crater_database/crater_db.h5', 'r')
    crater_db = hdf.get('/db')
    g = len(anns)
    tuples = combos(np.arange(g), 2)
    u = 0
    v = 0
    diff_dist = 0
    diff_rad = 0
    for a in range(g):
        box_a = [anns[a]['x1'], anns[a]['y1'], anns[a]['x2'], anns[a]['y2']]
        pixel_derived_radius = calculate_radius(box_a) * kmpp
        real_radius = crater_db.loc[crater_db.index[(anns[a]['crater_id'])], 'radius']
        d = real_radius / pixel_derived_radius
        diff_rad += d
        print('RADIUS DIFF: ', d)
        v += 1
    diff_rad /= v
    print('########################### RADIUS AVG DIFF: ', diff_rad)
    for a, b in tuples:
        u += 1
        print('#####################')
        print('distances between ', anns[a]['crater_id'], ' with ', anns[a]['lat'], anns[a]['lon'], 'and',
              anns[b]['crater_id'], ' with ', anns[b]['lat'], anns[b]['lon'])
        hav = calculate_haversine_distance([anns[a]['lat'], anns[a]['lon']], [anns[b]['lat'], anns[b]['lon']])
        appr_real = approximate_visual_distance(hav)
        print('haversine: ', hav)
        print('approx: ', appr_real)
        box_a = [anns[a]['x1'], anns[a]['y1'], anns[a]['x2'], anns[a]['y2']]
        box_b = [anns[b]['x1'], anns[b]['y1'], anns[b]['x2'], anns[b]['y2']]
        approx_dist_pixels = \
            cdist(np.array([calculate_center(box_a)]), np.array([calculate_center(box_b)]))[0][0]
        appr_img = approx_dist_pixels * kmpp
        print('approx pixel dist from bounding box: ', approx_dist_pixels, 'approx km dist from bounding box: ',
              appr_img)
        print('difference factor: ', appr_img / appr_real)
        diff_dist += appr_img / appr_real
    print('#####################', 'DIFF_AVG:', diff_dist / u, '####################')
    hdf.close()
コード例 #5
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def update_keypoint_locations(img_lst, joint_lst):
    new_joint_lst = []
    # Iterate over right hand saved images
    for indx, joint_dict in enumerate(joint_lst):
        #print('Processing index: ', indx)
        if indx % 1000 == 0:
            print("Processed %d images" %indx)
        # Calculate the center using keypoints
        center_x, center_y = calculate_center(joint_dict)                       
        sigma = calculate_sigma(joint_dict)
        new_joint_map = update_joint_pos_using_center(img_lst[indx], joint_dict, center_x, center_y, sigma)
        new_joint_lst.append(new_joint_map)
        
    return new_joint_lst
コード例 #6
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def geometric_voting_abs(boxes, km_pp, r_tol, d_tol, wmax, verb=False):
    global radius_candidates, rtol, dtol, centers, vote_db, kmpp, w_max, relative_search, verbose
    relative_search = False
    vote_db = {}
    radius_candidates = {}
    dtol = d_tol
    rtol = r_tol
    w_max = wmax
    kmpp = km_pp
    n = boxes.shape[0]
    radii = np.zeros(n)
    center_points = np.zeros((n, 2))

    # calculate all radii and center points
    for i, box in enumerate(boxes):
        radii[i] = util.calculate_radius(box) * kmpp
        center_points[i] = util.calculate_center(box)
    # get sorting vector
    sort = radii.argsort()[::-1]
    # sort dat shit
    radii = radii[sort]
    center_points = center_points[sort]
    center_points *= kmpp
    centers = center_points
    # get the radius candidates
    for c, r in enumerate(radii):
        radius_candidates[c] = pdb.get_craters_by_real_radius(r, r_tol)
    tuples = list(combos(np.arange(n), 2))
    t = len(tuples)
    intersect = False
    for count, (ci, cj) in enumerate(tuples):
        util.print_progress(count, t, 'Pairs loop', 'complete')
        ci_candidates, cj_candidates = search_pair(ci, cj, False)
        vote_db = add_votes_to_db(vote_db, ci, ci_candidates)
        vote_db = add_votes_to_db(vote_db, cj, cj_candidates)
        if not intersect:
            vote_db = add_votes_to_db(vote_db, ci, radius_candidates[ci])
            vote_db = add_votes_to_db(vote_db, cj, radius_candidates[cj])
    # check_db()
    return do_final_validation()
コード例 #7
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def exclusion_by_intersection_abs(boxes,
                                  km_pp,
                                  r_tol,
                                  d_tol,
                                  wmax,
                                  verb=False):
    global radius_candidates, rtol, dtol, centers, intersect_db, kmpp, w_max, relative_search, verbose
    relative_search = False
    intersect_db = {}
    radius_candidates = {}
    dtol = d_tol
    rtol = r_tol
    w_max = wmax
    kmpp = km_pp
    n = boxes.shape[0]
    radii = np.zeros(n)
    center_points = np.zeros((n, 2))
    # calculate all radii and center points
    for i, box in enumerate(boxes):
        radii[i] = util.calculate_radius(box) * kmpp
        center_points[i] = util.calculate_center(box)
    # get sorting vector
    sort = radii.argsort()[::-1]
    # sort dat shit
    radii = radii[sort]
    center_points = center_points[sort]
    center_points *= kmpp
    centers = center_points
    # get the radius candidates
    for c, r in enumerate(radii):
        radius_candidates[c] = pdb.get_craters_by_real_radius(r, r_tol)
    tuples = list(combos(np.arange(n), 2))
    for ci, cj in tuples:
        ci_candidates, cj_candidates = search_pair(ci, cj, True)
        add_ids_to_db(intersect_db, ci, ci_candidates)
        add_ids_to_db(intersect_db, cj, cj_candidates)
    return do_final_validation()
コード例 #8
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def draw_bounding_box(img_file, joints):
    img_dir = "../mpii/images/"
    img = cv2.imread(img_dir + img_file)
    center_x, center_y = calculate_center(joints)
    sigma = calculate_sigma(joints)
    show_subsection(img, sigma, joints['r_elbow'][0], joints['r_elbow'][1])