Tham khảo tài liệu 'robotics handbook of computer vision algorithms in image algebra part 6', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 1ÍÍ 2 a w -5í w- ộ 1 2 3. Thus the surface normal vector of w0 is n w0 The edge image e for a given threshold Tữ is given by e w ỊỊD w ll if l w To 10 otherwise. Image Algebra Formulation ĨÕ X. Let fl R be the source image. The edge image e is defined as p XiTu f ự gi a a a a 84 1 where g w - w0 if w Àf w0 . For example consider M w0 a 3 X 3 X 3 domain. The figure below Figure shows the domain of the g s. Figure Illustration of a three-dimensional 3 X 3x3 neighborhood. Fixing z to have value z0 we obtain Fixing z to have value z0 1 we obtain x S 3 Í 3 x T Ĩ 1 s . X S Ĩ Ĩ x 3 Fixing z to have value z0 - 1 we obtain Previous Table of Contents Next 1ÍÍ 2 a w -5í w- ộ 1 2 3. Thus the surface normal vector of w0 is n w0 The edge image e for a given threshold Tữ is given by e w ỊỊD w ll if l w To 10 otherwise. Image Algebra Formulation ĨÕ X. Let fl R be the source image. The edge image e is defined as p XiTu f ự gi a a a a 84 1 where g w - w0 if w Àf w0 . For example consider M w0 a 3 X 3 X 3 domain. The figure below Figure shows the domain of the g s. Figure Illustration of a three-dimensional 3 X 3x3 neighborhood. Fixing z to have value z0 we obtain Fixing z to have value z0 1 we obtain x S 3 Í 3 x T Ĩ 1 s . X S Ĩ Ĩ x 3 Fixing z to have value z0 - 1 we obtain Previous Table of Contents Next ------------- V--------------------- V---------- HOME SUBSCRIBE SEARCH FAQ SITEMAP CONTACT US Products Contact Us About Us Privacy Ad Info Home Use of this site is subject to certain Terms Conditions Copyright 1996-2000 EarthWeb Inc. All rights reserved. Reproduction whole or in part in any form or medium without express written permission of EarthWeb is prohibited. Read EarthWeb s privacy .