Machine vision is entering a period of rapid reinvention. For decades, digital imaging has revolved around familiar RGB cameras — devices that capture color with remarkable fidelity but ultimately reveal only a fraction of the information encoded in light. Today, photonics technologies are expanding the sensory capabilities of modern machines far beyond human vision.

This era is characterized by cameras that read chemical composition through spectral signatures. Optical chips measure distance with the precision of interferometers. Quantum dot detectors uncover contrasts invisible to their silicon-based counterparts. And AI models fuse multiple sensing modalities into unified, real-time perception tools.

The RETINA project, an ambitious European initiative, is at the center of this technological convergence. RETINA is pioneering the development of next-generation intelligent sensory systems by creating a holistic framework that integrates advanced photonic hardware, such as lidar and CMOS imaging, with cutting-edge machine learning perception software. This synergy aims to deliver agile, efficient, and highly tailored solutions designed to revolutionize key industries: enhancing diagnostics in health care, enabling safer autonomy in automotive applications, and driving precision and sustainability in agriculture. The project is built by 13 industrial and academic partners: Abraia; ADVID; AeroMedia; AIMEN Technology Centre; EPIC; the Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute (Fraunhofer HHI); imec; Leiden University Medical Center; Photonfocus; Quest Medical Imaging; Tematys; University of Vigo; and XenomatiX.

RETINA does not merely apply these emerging technologies. It works to mature them from early research prototypes into integrated systems that can function in real environments such as vineyards, roads, and surgical theaters. To appreciate the significance of this effort, it is instructive to look closely at the project’s major technological pillars, including hyperspectral imaging, shortwave infrared (SWIR) detector innovation, photonic integrated frequency-modulated continuous wave (FMCW) lidar, and AI-driven multimodal fusion.

Read the full article by Ivan Nikitskiy, Technology Expert for Quantum and Integrated Photonics at EPIC, Carolina Blanch, Research Engineer at imec and Julio Quinteiro, Software developer at ALIA Technologies, in the February 2026 issue of Photonics Spectra: https://www.photonics.com/Articles/Illuminating-the-Invisible-The-Technologies/p5/vo271/i1959/a71899