def label_transition_data(filename_to_label,  **kwargs):
    radius = kwargs['radius'] if 'radius' in kwargs else RADIUS
    filename = kwargs['filename'] if 'filename' in kwargs else None
    window = kwargs['window'] if 'window' in kwargs else WINDOW
    n = kwargs['n'] if 'n' in kwargs else N


    transition_probabilities = viterbi_training.run_viterbi(filename_to_label,filename=filename, radius=radius, window=window,n=n)
    results = read_resulting_path('matched_files/Shopping2Rental_matched.csv')

    if filename is not None:
        with open(filename, 'w') as f:
            f.write('Label, Distance Score, Backtrack Score \n')
            for t, time in enumerate(transition_probabilities):
                for seg1 in transition_probabilities[t]:
                    for seg2 in transition_probabilities[t][seg1]:
                        [way2_id,way2_index] = str(seg2).split(',')
                        start_node = get_node_id(int(way2_id), int(way2_index))
                        end_node = get_node_id(int(way2_id), int(way2_index)+1)
                        node_ids=(start_node[0],end_node[0])
                        node_ids2 = (end_node[0],start_node[0])
                        if ((node_ids == results[t]) or (node_ids2 == results[t])):
                            f.write('1, '+str(transition_probabilities[t][seg1][seg2][0]) + ', ' + str(transition_probabilities[t][seg1][seg2][1]) +'\n')
                        else:
                            f.write('-1, ' +str(transition_probabilities[t][seg1][seg2][0]) + ', ' + str(transition_probabilities[t][seg1][seg2][1]) +'\n')
        return
    return
                    
Example #2
0
def get_node_ids(matches):
    node_ids = []
    for i, match in enumerate(matches):
        if match['way'] is None:
            node_ids.append(None)
            continue
        # Don't query the same point twice
        if i == 0 or match['way'] != matches[i-1]['way'] or match['index_of_segment'] != matches[i-1]['index_of_segment']:
            start_node = get_node_id(match['way'], match['index_of_segment'])
            start_node = re.findall(r'\d+', str(start_node))[0]
            end_node = get_node_id(match['way'], match['index_of_segment'] + 1)
            end_node = re.findall(r'\d+', str(end_node))[0]
        node_ids.append((start_node, end_node))
    return node_ids
Example #3
0
def get_node_ids(matches):
    node_ids = []
    for i, match in enumerate(matches):
        if match['way'] is None:
            node_ids.append(None)
            continue
        # Don't query the same point twice
        if i == 0 or match['way'] != matches[i - 1]['way'] or match[
                'index_of_segment'] != matches[i - 1]['index_of_segment']:
            start_node = get_node_id(match['way'], match['index_of_segment'])
            start_node = re.findall(r'\d+', str(start_node))[0]
            end_node = get_node_id(match['way'], match['index_of_segment'] + 1)
            end_node = re.findall(r'\d+', str(end_node))[0]
        node_ids.append((start_node, end_node))
    return node_ids
Example #4
0
def label_emission_data(file_to_label, **kwargs):
    radius = kwargs['radius'] if 'radius' in kwargs else RADIUS
    filename = kwargs['filename'] if 'filename' in kwargs else None
    window = kwargs['window'] if 'window' in kwargs else WINDOW
    n = kwargs['n'] if 'n' in kwargs else N
    distance_only = kwargs[
        'distance_only'] if 'distance_only' in kwargs else False

    tmpfile = 'matched_files/Rental2Youssef_matched.csv'
    #viterbi.run_viterbi(file_to_label,filename=tmpfile, radius=radius, window=window,n=n)
    observations = read_observations(file_to_label)
    results = read_resulting_path(tmpfile)
    labeled = []

    for t, obs in enumerate(observations):
        possible_segments, prob, point = emission_probability.compute_emission_probabilities(
            obs, radius, n)
        for i, seg in enumerate(possible_segments):
            start_node = get_node_id(seg['way_osm_id'], seg['index_in_way'])
            end_node = get_node_id(seg['way_osm_id'], seg['index_in_way'] + 1)
            node_ids = (start_node[0], end_node[0])
            node_ids2 = (end_node[0], start_node[0])
            if ((node_ids == results[t]) or (node_ids2 == results[t])):
                if (distance_only):
                    labeled.append(seg['distance'])
                else:
                    labeled.append((node_ids, seg['distance_score'],
                                    seg['tangent_score'], 1))
            else:
                if (distance_only == False):
                    labeled.append((node_ids, seg['distance_score'],
                                    seg['tangent_score'], -1))
    if filename is not None:
        with open(filename, 'w') as f:
            f.write('Label, Distance Score, Tangent Score \n')
            for l in labeled:
                if (distance_only):
                    f.write(str(l) + '\n')
                else:
                    f.write(
                        str(l[3]) + ', ' + str(l[1]) + ', ' + str(l[2]) + '\n')
        return
    return labeled
def label_transition_data(filename_to_label, **kwargs):
    radius = kwargs['radius'] if 'radius' in kwargs else RADIUS
    filename = kwargs['filename'] if 'filename' in kwargs else None
    window = kwargs['window'] if 'window' in kwargs else WINDOW
    n = kwargs['n'] if 'n' in kwargs else N

    transition_probabilities = viterbi_training.run_viterbi(filename_to_label,
                                                            filename=filename,
                                                            radius=radius,
                                                            window=window,
                                                            n=n)
    results = read_resulting_path('matched_files/Shopping2Rental_matched.csv')

    if filename is not None:
        with open(filename, 'w') as f:
            f.write('Label, Distance Score, Backtrack Score \n')
            for t, time in enumerate(transition_probabilities):
                for seg1 in transition_probabilities[t]:
                    for seg2 in transition_probabilities[t][seg1]:
                        [way2_id, way2_index] = str(seg2).split(',')
                        start_node = get_node_id(int(way2_id), int(way2_index))
                        end_node = get_node_id(int(way2_id),
                                               int(way2_index) + 1)
                        node_ids = (start_node[0], end_node[0])
                        node_ids2 = (end_node[0], start_node[0])
                        if ((node_ids == results[t])
                                or (node_ids2 == results[t])):
                            f.write('1, ' + str(transition_probabilities[t]
                                                [seg1][seg2][0]) + ', ' +
                                    str(transition_probabilities[t][seg1][seg2]
                                        [1]) + '\n')
                        else:
                            f.write('-1, ' + str(transition_probabilities[t]
                                                 [seg1][seg2][0]) + ', ' +
                                    str(transition_probabilities[t][seg1][seg2]
                                        [1]) + '\n')
        return
    return
def label_emission_data(file_to_label, **kwargs):
    radius = kwargs['radius'] if 'radius' in kwargs else RADIUS
    filename = kwargs['filename'] if 'filename' in kwargs else None
    window = kwargs['window'] if 'window' in kwargs else WINDOW
    n = kwargs['n'] if 'n' in kwargs else N
    distance_only = kwargs['distance_only'] if 'distance_only' in kwargs else False

    tmpfile = 'matched_files/Rental2Youssef_matched.csv'
    #viterbi.run_viterbi(file_to_label,filename=tmpfile, radius=radius, window=window,n=n)
    observations = read_observations(file_to_label)
    results = read_resulting_path(tmpfile)
    labeled =[]

    for t, obs in enumerate(observations):
        possible_segments, prob, point = emission_probability.compute_emission_probabilities(obs,radius,n)   
        for i,seg in enumerate(possible_segments):
            start_node = get_node_id(seg['way_osm_id'],seg['index_in_way'])
            end_node = get_node_id(seg['way_osm_id'],seg['index_in_way']+1)
            node_ids=(start_node[0],end_node[0])
            node_ids2 = (end_node[0],start_node[0])
            if ((node_ids == results[t]) or (node_ids2 == results[t])):
                if (distance_only):
                    labeled.append(seg['distance'])
                else:
                    labeled.append((node_ids,seg['distance_score'],seg['tangent_score'], 1))
            else:
                if (distance_only == False):
                    labeled.append((node_ids,seg['distance_score'],seg['tangent_score'], -1))
    if filename is not None:
        with open(filename, 'w') as f:
            f.write('Label, Distance Score, Tangent Score \n')
            for l in labeled:
                if (distance_only):
                    f.write(str(l) + '\n')
                else:
                    f.write(str(l[3]) + ', ' + str(l[1]) +', '+str(l[2]) + '\n')
        return
    return labeled