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The VP8 Image Analyzer is an analog computer produced by Pete Schumacher of Interpretations Systems Incorporated (ISI) in 1972. It has been used to image the Shroud of Turin. The VP8 makes a brightness map of whatever data it processes - white appears to be higher in elevation, black appears lower and mid-range appears between these two extremes.

When the device was used with photographs or paintings, the result was a distorted and inaccurate representation of the original image. However, the Shroud image produced an accurate three-dimensional representation of the Man of the Shroud, with facial features, arms, legs and chest all contoured correctly. This was shown to Peter Schumacher, the inventor of the device, and he later recalled his astonishment:

"I had never heard of the Shroud of Turin before that moment. I had no idea what I was looking at. However, the results are unlike anything I have processed through the VP-8 Analyzer, before or since. Only the Shroud of Turin has produced these results from a VP-8 Image Analyzer isometric projection study."

References

1. Heller, John H. Report on the Shroud of Turin. Houghton Mifflin, 1983. ISBN 0-395-33967-7 page 207 "It is only when actual depth or remoteness is manifest by less light that the VP-8 can produce an authentic 3-D picture." (Dr. Heller is not an expert on the VP8 but a blood chemist.)
2. Bernard Ruffin, 1999, The Shroud of Turin ISBN 0-87973-617-8 page 79
3. Heller, John H. Report on the Shroud of Turin. Houghton Mifflin, 1983. ISBN 0-395-33967-7 page 207
4. The Shroud, ISBN 9780593063590 by Ian Wilson p. 22

v t e Shroud of Turin
History	History of the Shroud of Turin Secondo Pia, photographer Conservation-restoration of the Shroud of Turin
Location	Chapel of the Holy Shroud Royal Palace of Turin Turin Cathedral
Investigations	Shroud of Turin Research Project (STURP) Radiocarbon dating of the shroud VP8 Image Analyzer
Researchers	Pierre Barbet Ulysse Chevalier Yves Delage Barbara Frale Walter McCrone Joe Nickell Lynn Picknett Raymond Rogers Phillip H. Wiebe Ian Wilson Frederick Zugibe
Related	Fringe theories about the Shroud of Turin Image of Edessa Pray Codex House of Savoy Holy Face of Jesus Relics associated with Jesus acheiropoieta blood Sudarium of Oviedo Resurrection of Jesus

• Analog computers
• Shroud of Turin