… technique that combines computational photography and laser speckle imaging. Without …
is able to detect surface changes that would be indistinguishable in regular photographs. It is …

… Laboratory samples of optical elements were obtained by taking replicas of a rough surface.
… In our work, speckle patterns formed both by several replicas from the same rough surface …

… laser speckle images/videos on an optically rough surface of a … a reference speckle and a
speckle of a potentially tampered … of the laser speckle was invisible just by visual inspection. …

… advantage of speckle motions to detect subtle tampering in … the shape of laser speckles
with surface micro-geometries, … Laser speckle photography for surface tampering detection. In …

… When a rough surface is illuminated by a coherent light is … Holography similar to photography,
involves imaging an object … The composition of the non-tamper evident base foil is same …

… Laser Speckle Photography (LSPG) In 2012, Shih et al. [9] developed laser speckle
photography (LSPG) for surface tampering detection. This technique draws much from previous …

… the detection of ground surfaces, we present LaserShoes, a texture-sensing-enabled system
using laser speckle … Our system captures videos of speckle patterns induced on ground …

… surface and thus overcomes the problems with tampering and … as security markings for
identification and traceability of high … the generation of laser-induced surface deformations (LISDs…

… Durand, WTFreeman: Laser speckle photography for surface tampering detection, Proc.
of the 25th IEEE Conference on Computer Vision and Pattern Recognition (CVPR 2012), …

… detection method utilizes an optical sensor and multispectral imaging to capture the sub-surface
of … This will be more robust against tampering and counterfeiting. We have demonstrated …