Example #1
0
# -*- coding: utf-8 -*-

from common import get_data_set, show_image, save_image
import numpy as np

data_set = get_data_set(0)
# get data
left = data_set['left']
right = data_set['right']
result = data_set['result']
my_result = np.zeros(left.shape)


def calculate_diff_naive(pixel_value, row_right, pixel_pos, d_max=10):
    """
    :param pixel_value:左视图像素点
    :param row_right:右视图的这一行
    显而易见 右视图中的点在左视图左侧
    :param pixel_pos:左视图像素点位置
    :param d_max:最大深度
    :return:视差值
    """
    start_pos = (pixel_pos - d_max) if (pixel_pos - d_max) > 0 else 0
    row_right = row_right[start_pos:pixel_pos]
    diff = map(lambda value: abs(value - pixel_value), row_right)
    diff = diff[::-1]  # 逆序
    data_min = 0
    for depth in range(len(diff)):
        if diff[data_min] == 0:
            break
        if diff[depth] < diff[data_min]:
        # 其他区域赋值
        for row_pos in np.arange(color_window.shape[0]):
            # 记录行差异
            diff_row = np.absolute(row_pos - row_start)
            for column_pos in np.arange(color_window.shape[1]):
                if result_window[row_pos][column_pos] != 0:
                    continue
                diff_column = np.absolute(column_pos - column_start)
                result_window[row_pos][column_pos] = (window_size - 1) / (
                    diff_column + diff_row)

        return result_window


if __name__ == '__main__':
    data_set = get_data_set(9)
    # get data
    left = data_set['left']
    right = data_set['right']
    result = data_set['result']
    import time

    window_size = 19
    d_max = 64
    tt = time.time()
    stereo = StereoVisionBM2(left, right, window_size, d_max)

    (low_texture_row, low_texture_column) = stereo.low_texture_detection()
    data_set['low_texture_row'] = low_texture_row
    data_set['low_texture_column'] = low_texture_column
        self.right_low_cost_extend = self.make_border(self.low_texture_cost_lr, self.d_max)
        for d in range(self.d_max):
            # print 'compute_cost_d:', d
            self.left_diff[d] = self.gaussian_filter(self.compute_cost_d(d))

        return self.left_diff.copy()

    def compute_cost_d(self, d):
        return compute_cost_d_cpp(self.compute_cost_d_cpp_func, self.low_texture_cost_ll,
                                  self.right_low_cost_extend[:,
                                  self.d_max - d:self.column_length + self.d_max - d].copy())+StereoVisionBM2.compute_cost_d(self,d)
        #return StereoVisionBM2.compute_cost_d(self,d)


if __name__ == '__main__':
    data_set = get_data_set(8)
    # get data
    left = data_set['left']
    right = data_set['right']
    result = data_set['result']
    import time

    window_size = 21
    d_max = 64
    tt = time.time()
    stereo = StereoVisionLowTexture_BT(left, right, window_size, d_max)
    low_texture = stereo.low_texture_detection(0.2)[0]

    (left_c, right_c) = stereo.get_low_cost_l()

    stereo.compute_cost()
Example #4
0
                for d in np.arange(1, self.d_max):
                    if self.sad_result[min_sad][row][column] > self.sad_result[d][row][column]:
                        min_sad = d
                self.my_result[row][column] = min_sad
        return self.my_result

    @staticmethod
    def default_window_compare_method(window_1, window_2):
        return np.sum(np.absolute(window_1 - window_2))

    def set_window_compare_method(self, method):
        self.used_window_compare_method = method


if __name__ == '__main__':
    data_set = get_data_set(0)
    # get data
    left = data_set['left']
    right = data_set['right']
    result = data_set['result']
    import time

    window_size = 5
    d_max = 15
    tt = time.time()
    stereo = StereoVisionBM1(left, right, window_size, d_max)
    '''
    stereo.get_sad_all()
    my_result = stereo.get_result()
    my_result = my_result * 255 / d_max
    data_set['my_result_6'] = my_result
Example #5
0
                    if self.sad_result[min_sad][row][column] > self.sad_result[
                            d][row][column]:
                        min_sad = d
                self.my_result[row][column] = min_sad
        return self.my_result

    @staticmethod
    def default_window_compare_method(window_1, window_2):
        return np.sum(np.absolute(window_1 - window_2))

    def set_window_compare_method(self, method):
        self.used_window_compare_method = method


if __name__ == '__main__':
    data_set = get_data_set(0)
    # get data
    left = data_set['left']
    right = data_set['right']
    result = data_set['result']
    import time

    window_size = 5
    d_max = 15
    tt = time.time()
    stereo = StereoVisionBM1(left, right, window_size, d_max)
    '''
    stereo.get_sad_all()
    my_result = stereo.get_result()
    my_result = my_result * 255 / d_max
    data_set['my_result_6'] = my_result
from common import get_data_set, show_image, save_image, get_compute_cost_bt_d_cpp_func
from stereo_test_dp import StereoVisionBM_DP
from stereo_test_bm import StereoVisionBM2
import numpy as np


class StereoVisionBM_BT(StereoVisionBM2):
    def __init__(self, left, right, window_size=13, d_max=10, is_color=False):
        StereoVisionBM2.__init__(self, left, right, window_size, d_max,
                                 is_color)
        self.compute_cost_d_cpp_func = get_compute_cost_bt_d_cpp_func(self.dll)


if __name__ == '__main__':
    data_set = get_data_set(1)
    # get data
    left = data_set['left']
    right = data_set['right']
    result = data_set['result']
    import time

    window_size = 11
    d_max = 20
    tt = time.time()
    stereo = StereoVisionBM_BT(left, right, window_size, d_max)
    stereo.low_texture_detection()
    stereo.compute_cost()
    stereo.aggregate_cost()
    my_result = stereo.get_result()
    my_result = my_result * (255.0 / d_max / 16)
                break
        # 其他区域赋值
        for row_pos in np.arange(color_window.shape[0]):
            # 记录行差异
            diff_row = np.absolute(row_pos - row_start)
            for column_pos in np.arange(color_window.shape[1]):
                if result_window[row_pos][column_pos] != 0:
                    continue
                diff_column = np.absolute(column_pos - column_start)
                result_window[row_pos][column_pos] = (window_size - 1) / (diff_column + diff_row)

        return result_window


if __name__ == '__main__':
    data_set = get_data_set(9)
    # get data
    left = data_set['left']
    right = data_set['right']
    result = data_set['result']
    import time

    window_size = 19
    d_max = 64
    tt = time.time()
    stereo = StereoVisionBM2(left, right, window_size, d_max)

    (low_texture_row, low_texture_column) = stereo.low_texture_detection()
    data_set['low_texture_row'] = low_texture_row
    data_set['low_texture_column'] = low_texture_column