steger算法

function [w,h,correct,w_strong,w_weak]=line_corrections(sigma,w_est,r_est) s=cell(21,41); s{1,1}=[2.0, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,2}=[2.1, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,3}=[2.2, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,4}=[2.3, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,5}=[2.4, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,6}=[2.5, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,7}=[2.6, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,8}=[2.7, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,9}=[2.8, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,10}=[2.9, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,11}=[3.0, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,12}=[3.1, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,13}=[3.2, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,14}=[3.3, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,15}=[3.4, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,16}=[3.5, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,17}=[3.6, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,18}=[3.7, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,19}=[3.8, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,20}=[3.9, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,21}=[4.0, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,22}=[4.1, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,23}=[4.2, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,24}=[4.3, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,25}=[4.4, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,26}=[4.5, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,27}=[4.6, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,28}=[4.7, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,29}=[4.8, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,30}=[4.9, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,31}=[5.0, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,32}=[5.1, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,33}=[5.2, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,34}=[5.3, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,35}=[5.4, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,36}=[5.5, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,37}=[5.6, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,38}=[5.7, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,39}=[5.8, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,40}=[5.9, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{1,41}=[6.0, 0.00, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{2,1}=[2.0, 0.05, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{2,2}=[2.1, 0.05, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{2,3}=[2.2, 0.05, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{2,4}=[2.3, 0.05, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{2,5}=[2.4, 0.05, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{2,6}=[2.5, 0.05, 0.39451193, 0.65711873, 1.35657624, 1.96381471, 0.53618529, 1]; s{2,7}=[2.6, 0.05, 0.63729269, 0.80935336, 1.30029235, 2.03985229, 0.56014771, 1]; s{2,8}=[2.7, 0.05, 0.81466418, 0.86836672, 1.24452224, 2.11300616, 0.58699384, 1]; s{2,9}=[2.8, 0.05, 0.96412770, 0.89909203, 1.18944119, 2.18266521, 0.61733479, 1]; s{2,10}=[2.9, 0.05, 1.09676455, 0.91717245, 1.13561041, 2.24831390, 0.65168610, 1]; s{2,11}=[3.0, 0.05, 1.21692489, 0.92848988, 1.08384513, 2.30961284, 0.69038716, 1]; s{2,12}=[3.1, 0.05, 1.32646409, 0.93580164, 1.03499886, 2.36645213, 0.73354787, 1]; s{2,13}=[3.2, 0.05, 1.42633569, 0.94059785, 0.98974767, 2.41895971, 0.78104029, 1]; s{2,14}=[3.3, 0.05, 1.51730916, 0.94376456, 0.94845804, 2.46746712, 0.83253288, 1]; s{2,15}=[3.4, 0.05, 1.60025122, 0.94586075, 0.91116814, 2.51245011, 0.88754989, 1]; s{2,16}=[3.5, 0.05, 1.67616918, 0.94725013, 0.87765423, 2.55446371, 0.94553629, 1]; s{2,17}=[3.6, 0.05, 1.74614708, 0.94817227, 0.84753168, 2.59408497, 1.00591503, 1]; s{2,18}=[3.7, 0.05, 1.81125741, 0.94878534, 0.82034984, 2.63186937, 1.06813063, 1]; s{2,19}=[3.8, 0.05, 1.87248943, 0.94919364, 0.79566103, 2.66832172, 1.13167828, 1]; s{2,20}=[3.9, 0.05, 1.93070645, 0.94946590, 0.77306078, 2.70388005, 1.19611995, 1]; s{2,21}=[4.0, 0.05, 1.98662965, 0.94964748, 0.75220527, 2.73890956, 1.26109044, 1]; s{2,22}=[4.1, 0.05, 2.04084073, 0.94976843, 0.73281358, 2.77370375, 1.32629625, 1]; s{2,23}=[4.2, 0.05, 2.09379566, 0.94984878, 0.71466202, 2.80849036, 1.39150964, 1]; s{2,24}=[4.3, 0.05, 2.14584335, 0.94990193, 0.69757485, 2.84343972, 1.45656028, 1]; s{2,25}=[4.4, 0.05, 2.19724527, 0.94993688, 0.68141474, 2.87867411, 1.52132589, 1]; s{2,26}=[4.5, 0.05, 2.24819385, 0.94995971, 0.66607397, 2.91427698, 1.58572302, 1]; s{2,27}=[4.6, 0.05, 2.29882832, 0.94997451, 0.65146721, 2.95030144, 1.64969856, 1]; s{2,28}=[4.7, 0.05, 2.34924790, 0.94998402, 0.63752588, 2.98677756, 1.71322244, 1]; s{2,29}=[4.8, 0.05, 2.39952228, 0.94999007, 0.62419378, 3.02371845, 1.77628155, 1]; s{2,30}=[4.9, 0.05, 2.44969972, 0.94999389, 0.61142395, 3.06112517, 1.83887483, 1]; s{2,31}=[5.0, 0.05, 2.49981321, 0.94999628, 0.59917634, 3.09899049, 1.90100951, 1]; s{2,32}=[5.1, 0.05, 2.54988502, 0.94999776, 0.58741617, 3.13730176, 1.96269824, 1]; s{2,33}=[5.2, 0.05, 2.59992995, 0.94999866, 0.57611272, 3.17604302, 2.02395698, 1]; s{2,34}=[5.3, 0.05, 2.64995776, 0.94999921, 0.56523852, 3.21519649, 2.08480351, 1]; s{2,35}=[5.4, 0.05, 2.69997480, 0.94999954, 0.55476869, 3.25474362, 2.14525638, 1]; s{2,36}=[5.5, 0.05, 2.74998512, 0.94999973, 0.54468056, 3.29466575, 2.20533425, 1]; s{2,37}=[5.6, 0.05, 2.79999130, 0.94999985, 0.53495330, 3.33494464, 2.26505536, 1]; s{2,38}=[5.7, 0.05, 2.84999497, 0.94999991, 0.52556769, 3.37556268, 2.32443732, 1]; s{2,39}=[5.8, 0.05, 2.89999712, 0.94999995, 0.51650591, 3.41650304, 2.38349696, 1]; s{2,40}=[5.9, 0.05, 2.94999837, 0.94999997, 0.50775142, 3.45774980, 2.44225020, 1]; s{2,41}=[6.0, 0.05, 2.99999908, 0.94999998, 0.49928881, 3.49928790, 2.50071210, 1]; s{3,1}=[2.0, 0.10, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{3,2}=[2.1, 0.10, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{3,3}=[2.2, 0.10, 0.00000000, 0.00000000, 0.00000000, 1.00000000, 1.00000000, 0]; s{3,4}=[2.3, 0.10, 0.21877029, 0.37919742, 1.08959528, 1.70353792, 0.59646208, 1]; s{3,5}=[2.4, 0.10, 0.55321986, 0.68457297, 1.04282943, 1.77631890, 0.62368110, 1]; s{3,6}=[2.5, 0.10, 0.74830067, 0.77538178, 0.99782962, 1.84682624, 0.65317376, 1]; s{3,7}=[2.6, 0.10, 0.90103267, 0.82093886, 0.95447592, 1.91457985, 0.68542015, 1]; s{3,8}=[2.7, 0.10, 1.03086984, 0.84772552, 0.91285559, 1.97916489, 0.72083511, 1]; s{3,9}=[2.8, 0.10, 1.14549804, 0.86473351, 0.87320467, 2.04028418, 0.75971582, 1]; s{3,10}=[2.9, 0.10, 1.24865758, 0.87597877, 0.83581862, 2.09779835, 0.80220165, 1]; s{3,11}=[3.0, 0.10, 1.34244262, 0.88357147, 0.80095702, 2.15174175, 0.84825825, 1]; s{3,12}=[3.1, 0.10, 1