NIST Technical NoteU.S. Department of Commerce, National Institute of Standards and Technology, 1989 |
From inside the book
Results 1-5 of 10
Page 11
... direction sent may specify the need for an edge point image . Timing requirements The update rate of results is specified to keep current information supplied to the rest of the system . The mode may be specified as continuous so that ...
... direction sent may specify the need for an edge point image . Timing requirements The update rate of results is specified to keep current information supplied to the rest of the system . The mode may be specified as continuous so that ...
Page 29
... directions in the image and then performing an averaging operation on only non - edge pixels . This operation can be iterated to weaken noise without affecting edges . A7.4.3 . Median Filtering Another smoothing technique which does not ...
... directions in the image and then performing an averaging operation on only non - edge pixels . This operation can be iterated to weaken noise without affecting edges . A7.4.3 . Median Filtering Another smoothing technique which does not ...
Page 30
... direction v = frequency in the y direction The primary advantage of frequency domain processing is that any arbitrary frequency re- sponse is easy to implement . Because of the reversibility of the transform , many properties that are ...
... direction v = frequency in the y direction The primary advantage of frequency domain processing is that any arbitrary frequency re- sponse is easy to implement . Because of the reversibility of the transform , many properties that are ...
Page 32
... direction and the magnitude of the rate of increase of intensity at each point on the edge . This filtering method is described in detail in Appendix B , section B1.1 . A7.5.2 . High - Pass Filtering The use of high - pass filters is ...
... direction and the magnitude of the rate of increase of intensity at each point on the edge . This filtering method is described in detail in Appendix B , section B1.1 . A7.5.2 . High - Pass Filtering The use of high - pass filters is ...
Page 34
... directions . The direction of the rate of change is a linear function given by : Sf δχ of = δχ Sf cose + sine бу The direction which has the largest rate of change is : dir ( f ) = arctan ( Sf ) [ 1 ] [ 2 ] and the magnitude of that ...
... directions . The direction of the rate of change is a linear function given by : Sf δχ of = δχ Sf cose + sine бу The direction which has the largest rate of change is : dir ( f ) = arctan ( Sf ) [ 1 ] [ 2 ] and the magnitude of that ...
Other editions - View all
Common terms and phrases
algorithm command algorithm parameters Appendix Architecture Artificial Intelligence averaging binary blurred camera class of algorithms command number Execution Comparator Module Computer Computer Vision Corner Detection described edge detection Engineering enhancement Execution command number Execution module Figure frequency functions Gaithersburg global data system GONZA77 grey level hierarchy High-Pass Filtering histogram IEEE Image Processing input Institute of Standards intensity Job Assignment module Level 1 Job Level 1 Sensory Level 1 Task low-pass Low-Pass Filtering manipulator mask measure methods module receives neighborhood NIST number Execution status object optical flow output performed pixels Planner module Precision requirements Priority preprocessing technique priority level assigned queue Robotics ROSEN82 segmentation selected algorithm sensory processing module sensory processing system SP WM TD spatial integrator specified Standards and Technology step edge surface patch Tactile Task Decomposition interface task decomposition module Telerobot texture threshold value tion update Visual Perception world model global World Modeling Interface
Popular passages
Page 23 - An Operator Which Locates Edges in Digitized Pictures," Journal of the ACM, Vol. 18, No. 1, January 1971, pp. 113-125.