A partially-exploded view of The Gateway. Graphic: Thobey Campion
It was Zheng, in the Library, with the Sunset
Composition: Thobey Campion
Zheng’s original image (left) and his image containing GE trade secrets (right). Art: Xiaoqing Zheng
It’s a Whole Thing and Its Own Thing
Chart: Thobey Campion
Chart: Thobey Campion
The Decidedly Analog Origins of Steganography
Nazcan Geoglyhs; Trithemius’ ‘Steganographia’; DaVinci’s ‘Mona Lisa’; Michelangelo’s ‘David and Goliath’; Bosch’s ‘Garden of Earthly Delights”; Microdots; ‘The Casdagli Sampler’; The Digit Affair. Art by Thobey Campion. Composition: Thobey Campion.
Art: Thobey Campion
Digital Steganography
- Robustness -The characteristics of a hidden message that ensure it survives any non-malicious data processing while in transit from sender to recipient.
- Security- The built-in protection against a hostile entity’s attempts to remove or disable the hidden message.
- Imperceptibility - A hidden message’s ability to exist while not degrading the perceptual content of the host.
- Capacity - The amount of information that can be hidden inside the cover.
Least Significant Bit Substitution (LSB)
Image: Thobey Campion
Image: Thobey Campion
Image: Thobey Campion
An original image (left) and bit-plane complexity segmented image (right) containing a photo of Abraham Lincoln, and the textual contents of The Gettysburg Address, The Declaration of Independence, The Constitution, The Magna Carta, Romeo and Juliet, Hamlet, Macbeth, A Midsummer Night's Dream, The Taming of the Shrew, The Tempest and A Comedy of Errors. Steganography: Eason & Kawaguchi.
Bit-Plane Complexity Segmentation (BPCS)
Image: Thobey Campion
Image: Thobey Campion
Image: Thobey Campion
Image: Thobey Campion
Image: Thobey Campion
Steganography: Eason & Kawaguchi.
Art: Thobey Campion
You Even Steg, Bro?
Art: Thobey Campion
Steganography’s Next Dimension
Image: Thobey Campion
Image: Thobey Campion
Image: Thobey Campion