Parameters were fixed across all of the images:

(Helpful hint: If your web browser allows you to run more than one copy of it at the same time, as Netscape does, then you can use that feature to compare edge images.)

Image	Canny	Nalwa	Iverson	Bergholm	Rothwell
golf cart	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
pitcher	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
stapler	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
mailbox	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
pillow	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
brush	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
shopping cart	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
tire	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
grater	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
basket	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
orange	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
banana	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
egg	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
elephant	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
pond	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
pinecone	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
feather	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
beehive	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
turtle	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
tiger	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
briefcase	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
trashcan	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
videocamera	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
coffee maker	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
flower	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
airplane	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
traffic cone	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80
stairs	s_0.60_l_0.30_h_0.90	b_1.50_l_0.20_h_0.60	n_8_l_0.000_h_0.000	S_2.0_s_1.0_t_15.0	s_0.50_l_18.0_a_0.80