. "There was shown a simply method for the deformation measurement of optically rough surfaces with ray methods. Optically rough surfaces are %22smoothed%22 using the reflective foil that is affixed on test objects. The complete theoretical analysis of the ray method was performed and several techniques of calculation of deformations were proposed. The advantage of the ray method with respect to interferometric methods is their relatively easy implementation in practice. The accuracy of the described ray method is comparable with the accuracy of common interferometric techniques and one can measure relatively extended surfaces" . "deformation measurement; optics; ray methods"@en . . "There was shown a simply method for the deformation measurement of optically rough surfaces with ray methods. Optically rough surfaces are %22smoothed%22 using the reflective foil that is affixed on test objects. The complete theoretical analysis of the ray method was performed and several techniques of calculation of deformations were proposed. The advantage of the ray method with respect to interferometric methods is their relatively easy implementation in practice. The accuracy of the described ray method is comparable with the accuracy of common interferometric techniques and one can measure relatively extended surfaces"@en . . "21110" . "2"^^ . . "0"^^ . "Czech Society for Nondestructive Testing" . . "P(GA202/02/0314)" . "Application of Ray Methods for Deformation Measurement" . "2"^^ . "0"^^ . "Liberec" . . "Liberec" . "Defectoscopy 2002" . . "Application of Ray Methods for Deformation Measurement" . "638826" . "Application of Ray Methods for Deformation Measurement"@en . . "Application of Ray Methods for Deformation Measurement"@en . "RIV/68407700:21110/02:01078679" . "2002-11-12+01:00"^^ . . . "141;148" . "RIV/68407700:21110/02:01078679!RIV/2003/GA0/211103/N" . . "80-214-2247-5" . "[E0A645C9010D]" . . "8"^^ . . . "Mik\u0161, Anton\u00EDn" . . .