Johanna Drucker — Augmented Images (ULiège)

Johanna Drucker — Augmented Images (ULiège)

🎙 Johanna Drucker 👥 178 📅 October 15, 2022 ⏱ 30 min 👁 37 📄 expert opinion 🧭 2026-10-09
Available in: English (current) Français

Keywords

image processingelectromagnetic spectrumperceptual affordancesbelief systemsscientific imaging

Summary

In this lecture, Johanna Drucker examines the concept of ‘augmented images’—images produced from data that are not inherently visual, using computational and algorithmic processes. She opens with the James Webb Space Telescope images, which are constructed from non-visible infrared signals and colorized to align with our expectations of what nebulae and star formations should look like. Drucker distinguishes between things that are non-visible (e.g., infrared) and things that are non-visual (e.g., emotions, logical structures), both of which can be rendered visually through various methods. She traces historical examples such as the winged bull of the Neo-Assyrian period, medieval angels, the Sephirot tree, magnetic field visualizations, and the ‘Thought Forms’ by Annie Besant and Charles Leadbeater. She discusses the electromagnetic spectrum and non-optical telescopes like Arecibo and the Very Large Array, showing how raw data become legible images. Drucker also considers species-specific vision, noting differences between trichromatic and dichromatic perception, and extends to imaging technologies like sonar and thermal imaging. She argues that all these augmentations conform to cultural beliefs about how things should look, and that we often mistake these constructed images for objective representations. She contrasts the acceptance of scientific imagery with the dismissal of spiritualist photographs, questioning the criteria for credibility. In conclusion, she emphasizes the historicity of perception and the role of the ’technological imaginary’ in shaping what we accept as authoritative, using examples like the Mona Lisa copies and changing depictions of dinosaurs and Martian canals.

240 words

Critical Evaluation

Value of the Information & Strength of the Argument

The lecture provides a compelling and original synthesis of concepts from visual studies, media theory, and science and technology studies. Drucker’s argument is well-structured: she moves from concrete examples (James Webb images, x-ray, sonar) to theoretical implications, consistently linking technical processes to cultural and historical frameworks. She effectively challenges the naive realism often associated with scientific imagery, showing how data are always mediated by conventions and expectations. Her use of diverse examples—from ancient mythology to modern astronomy—strengthens the argument and makes it accessible. The reasoning is sound; she acknowledges that some renderings are explicitly fictitious (spirit photography) while others are accepted as valid, and she interrogates the line between them. The value lies in prompting critical reflection on the constructed nature of visual evidence in the digital age.

Scientific Rigor, Source Quality, Title Accuracy

Drucker references a range of sources, including her own publications and other scholars, but provides few explicit citations in the talk. She mentions Percival Lowell, Charles Gilmore, and the Thought Forms of Besant and Leadbeater, but does not give specific bibliographic details. The title is well-matched: the talk indeed focuses on ‘Images after Optics’ and ‘Augmentation Technologies beyond the Visible Spectrum.’ However, the lecture is more of an interpretive essay than a rigorous citation-based review. The overall reliability is high due to the speaker’s expertise, but the lack of direct references limits verification. The description provides no external links, but the context of the international symposium adds credibility. There are no public comments to analyze, so no audience feedback is available.

264 words

Title / Content Match

The title accurately reflects the content: the talk discusses how images are augmented through algorithmic processing and cultural expectations, particularly beyond the visible spectrum.

Quality & Reliability

8/10

The speaker is a distinguished professor in information studies with a strong publication record. The talk is scholarly, well-structured, and draws on multiple examples and references. While it is an opinion/lecture rather than primary research, the argumentation is rigorous and consistent.

Key Moments

Cited Sources

  • Thought Forms (book) — Mentioned as a source for images of emotions, by Annie Besant and Charles Leadbeater.
  • Percival Lowell's Mars maps — Referenced as an example of belief-driven imaging of canals on Mars.
  • Charles Gilmore's dinosaur illustrations — Cited as an example of changing paleontological visualization.

Contribution & Novelties

Drucker’s talk offers a critical framework for understanding how images are augmented through algorithmic processing, emphasizing the role of cultural expectations and the ’technological imaginary.’ She brings together disparate examples—from scientific imaging to spirit photography—to question the authority attributed to certain types of imagery. Her approach is original in its broad interdisciplinary sweep, connecting media theory, art history, and the philosophy of science. The talk encourages scholars to question the naturalized status of computational images and to consider the historicity of perception.

Pour aller plus loin :

  • Sociotechnical system — Relevant to the concept of the technological imaginary and how technologies and social practices co-evolve.
  • Data visualization — Directly related to the rendering of non-visual data into visual forms, a central theme of the talk.
  • Infrared astronomy — Explains the science behind James Webb images, a key example in the lecture.

141 words

Radar Profile

The radar profile shows high scores in quality of information and fiabilité, with slightly lower marks for quantity and technical depth. This reflects a lecture that is conceptually rich and persuasive, but not extremely dense in factual content or technical detail, focusing instead on interpretive and critical perspectives.

Reliability 8/10