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Bringing Criminals to Heel

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German police are using high-resolution USB cameras to image shoe prints left at crime scenes.

Thomas Schmidgall, Imaging Development Systems GmbH

The perfect crime is all but impossible because every criminal leaves at least a trace of evidence at the scene. These can be fingerprints, microparticles, DNA material or, more commonly, shoe prints. Such prints are difficult to avoid, especially for burglars. Therefore, they often provide substantive evidence and are an important tool for police in solving property crimes and other offenses. In the course of its lifetime, every shoe sole develops a unique structure (Figure 1) that is caused by different factors, including age, wear, the owner’s motion characteristics and foreign...Read full article

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    Published: June 2008
    camerasCMOSConsumerDNA materialFeaturesImagingImaging Development Systems GmbHmicroparticlesSensors & Detectors

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