Yixuan Xiao

Camera Caeca

Camera Caeca is a speculative imaging system that redefines photography as a process of signal interpretation rather than optical capture. Instead of recording light, the system uses environmental sensors to collect non-visual data, which is then translated through a Python-based computational pipeline into visual output. The resulting images do not represent visible scenes, but emerge from the processing of physical signals, shifting the camera from a device of representation to one of construction.For more information, please refer to the paper PDF "Camera Caeca: On the Construction of Images Beyond Vision" below:

“Photography is commonly understood as a process of capturing visible reality through optical means. From early camera obscura models to contemporary digital cameras, images are typically treated as representations of what is seen. However, this assumption obscures an important fact: digital images are not direct recordings of the world, but the result of computational processes that translate physical input into data and reconstruct it into visual form.Camera Caeca proposes a speculative imaging system that abandons optical capture. Instead of recording light, it uses a set of sensors (ultrasonic, light, and sound) to detect conditions associated with the photographed subject. Here, the subject is not a visually framed entity but a set of environmental relations. These signals are not treated as supplementary metadata, but as the primary source of image generation. Captured data is transmitted to a Python-based system, where it is translated through algorithms into information that can be encoded and manipulated, and ultimately rendered as a visual output. The resulting image no longer corresponds to a visible scene, but emerges from the interpretation of data. In this sense, the project deliberately departs from the conditions of traditional images. This framework aligns with Flusser’s concept of technical images, which are not representations but realizations from a field of possibilities—a “blind” process through which the invisible becomes visible. Camera Caeca operates as an apparatus that produces images from non-visual inputs, foregrounding the generative nature of machine vision.”