Video Compares Shroud 3D Claims With NASA Topography

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Key facts

• The video argues that variations in pigment density on the Shroud's reddish-brown image can be interpreted as three-dimensional shading.
• The video compares this with NASA planetary mapping. Some NASA studies infer slopes from image brightness, but the cited results do not establish an identical pigment-density method; NASA also uses stereo imagery, radar and altimetry.
• Lighter regions are described as having fewer pigment deposits and darker regions more. The main image is red-brown, but not every stain uses the same pigment; the source summary identifies vermilion in blood-colored areas.
• John P. Jackson, Eric J. Jobe and Pat Rawson reported a three-dimensional reconstruction of the Shroud's facial image in 1976, and later studies mapped its brightness variations.
• A 3D relief can be modeled from brightness, but it is not a direct measurement of the distance between a body and the cloth and depends on assumptions about lighting and geometry.
• Photography can capture three-dimensional shading cues, although recovering a unique surface from one photograph requires assumptions. The cited results do not support the claims that this was impossible for medieval artists or was not duplicated until the 20th century.
• A 2025 analysis suggested that the image likely came from a medieval sculpture, demonstrating that three-dimensional content alone does not identify a wrapped body.

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