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Showing posts with the label machine vision

Tackling optical neural networks' interference enables efficient, low power, speed of light diffractive edge-AI multi-object recognition

https://www.eurekalert.org/news-releases/1120604 "computers using structured light diffraction through layered materials have interference/ cross-talk among multiple objects, better design: reduces cross-talk between different objects, improves simultaneously present multiple target robustness, optimizes how light propagates/ processed across diffractive layers engineered to encode features of different objects... processing happens via light propagation (no electronics required during inference)... autonomous systems, surveillance, biomedical imaging"

Summit, the world's first long-range, high-resolution THz vision sensor, combines lidar's high resolution with radar's weather-resistance

https://interestingengineering.com/ces-2026/worlds-first-terahertz-vision-sensor "984 feet range, 0.13° native resolution (up to 20X better than current automotive radar), provides detailed 3D point clouds with Doppler data (range, direction, elevation, speed), solid-state digital phased array using proprietary modular THz engine... unlike cameras or lidar, THz waves can see through fog, rain, snow, sleet, sun glare without losing accuracy... advanced driver-assistance system/  L2 to L5 autonomous driving levels... high-volume production 2028... motor vehicles, defense, healthcare, manufacturing" Related: Extra set of eyes for self-driving cars: Roadside radar sensors could reduce blind spots https://www.eurekalert.org/news-releases/1118398 A smarter way to debias AI vision models https://techxplore.com/news/2026-04-whac-mole-dilemma-smarter-debias.html

Cross-View Cross-Modality Correspondence, an AI model, allows computers to bridge the gap between real-world photographs and 2D floor plans

https://techxplore.com/news/2025-12-vision-method-links-photos-floor.html "maps/ photos look nothing alike, making correlating by AI difficult, overcome with dataset of 90K pairs floor plans/ photos (manually aligned) across nearly 600 internet photos turned into 3D models... includes 153 million pixel-level matches, allowing AI to see spot in photo corresponding to map coordinate... reduces errors by 34%... step toward multi-modal 3D computer vision... robots navigating indoor spaces using only blueprint, AR helping people find way through buildings, digital modeling: 3D architecture reconstructions"

Microelectronics fabrication that significantly improves energy efficiency by stacking active components on the back end of a computer chip

https://www.eurekalert.org/news-releases/1109566 "logic (transistors)/ memory fabricated in 1 compact stack on 1 chip... 2 nm thick amorphous indium oxide active channel layer grown at relatively cool 150°C preventing damage to existing front-end circuitry, minimized defects (oxygen vacancies)... added ferroelectric hafnium-zirconium-oxide layer, ending up with 20 nm back-end transistors with built-in memory, 10 ns switching speed, lower voltage... generative AI, deep learning, computer vision... future: integrate these back-end memory transistors onto single circuit"

Spectral Kernel Machines' single semiconductor integrates: machine-learning inference during photodetection, spectral imaging, machine vision, AI

https://techxplore.com/news/2025-11-intelligent-photodetectors-dogs-materials-spectra.html "directly encodes visible to mid-IR spectral/ spatial information into output photocurrent, so sensor identifies materials, chemicals,.. optoelectronic sensors learn/ compute without need for digital post-processing... electrically tunable enhancing/ suppressing specific spectral signatures... trains sampling pixels/ receiving simple commands, learns optimal electrical control sequence targeting object's pixels/ suppress background... for new/ unseen images, produces only for pixels belonging to target object" Related: Bioinspired robot eye adjusts its pupil to handle harsh lighting https://techxplore.com/news/2026-03-bioinspired-robot-eye-adjusts-pupil.html New chip lets robots see in 4d by tracking distance and speed simultaneously https://www.nature.com/articles/d41586-026-00727-1 Meta-optics enabling highly scalable machine vision https://www.eurekalert.org/news-releases/1120546...

Low energy consumption photoelectric memristors with multi‑level linear conductance modulation for slimmer, smarter artificial visual systems

https://www.eurekalert.org/news-releases/1097964 "AI chip on-sensor vision acts like optical synapse... sense, store, process information retina-like... single 0.5 V, 5 ms optical pulse consumes only 187 pJ, conductance updates show 99.6 % linearity eliminating redundant weight tuning/ cutting system power... interface traps photo-carriers, dynamically lowering barrier/ enabling multi-level linear conductance modulation, 2-terminal cross-point structure, wide-band response allows outdoor/ night-time operation without filters... autonomous night driving" Related: From Biology to Electronics: BIOPIX, the Artificial Retina Born at Tor Vergata https://web.uniroma2.it/en/contenuto/BIOPIX-artificial-retina-born-at-tor-vergata

Low energy consumption photoelectric memristors with multi‑level linear conductance modulation in slimmer/ smarter AI on-sensor vision

https://www.eurekalert.org/news-releases/1097964 "single chip senses, stores, processes... single 0.5 V, 5 ms optical pulse consumes 187 pJ... 99.6 % linearity in learning eliminates redundant weight tuning/ reduces system power... optical retina/ synapse -like functions: paired-pulse facilitation, long-term plasticity/ learning reproduced under visible light... facial recognition, autonomous night driving... integrates sense-memory-compute pixels into bionic eyes/ smart cameras/ neuromorphic edge devices... future: new oxide stacks for even lower energy/ higher speed"

Artificial neuron merges DRAM/ MoS₂ circuits emulating synaptic plasticity for energy-efficient machine learning, computer vision/ image recognition

https://techxplore.com/news/2025-08-artificial-neuron-merges-dram-mos.html "combines dynamic random-access memory with ultrathin semiconductor monolayer molybdenum disulfide-based circuits creating integrate-and-fire neuron... DRAM stores electrical charges in capacitors, electrical charge amounts can be modulated to mimic variations in electrical charge across biological neurons' membrane determining whether inverter triggers electrical bursts... resembling those observed in biological neurons when they fire... also emulates photopic/ scotopic adaptation of human vision... edge computing" Related: A metal-organic framework neuron with dopamine perception https://www.eurekalert.org/news-releases/1097074

Instead of producing images/ videos from scene descriptions, extract scene descriptions from simulated images using inverse generative AI

https://techxplore.com/news/2025-08-ai-method-reconstructs-3d-scene.html#google_vignette "generalizes well across new images or different scenarios/ extracted patterns traditionally difficult to interpret... gradually adjusts model's internal parameters... solve vision tasks, such as tracking, as test-time optimization problems... new datasets not needed for training on... compares rendered image with real observed image, backpropagating difference through differentiable rendering function/ 3D generation model to update its inputs... provides 3D explanations of its perceived world... robotics, autonomous driving"

Ionic-electronic photodetector performs in-sensor image processing, offering the potential to surpass color vision deficiencies of human vision

https://phys.org/news/2025-08-ionic-electronic-photodetector-sensor-vision.html "van der Waals ferroelectric layered copper indium phosphorus sulfide photodetector supports ionic/ electronic conduction... mobile Cu+ ion motion elicits nonlinear/ history-dependent photoresponses, light sensitivity dynamic tuning... reconfigurability allows selectively enhancing weak signals/ suppressing overexposed regions... reweight spectral contrast/ modulate responsivity enhancing color contrast between red/ green...noise removal, contrast enhancement, image inversion filtering, low-power edge AI"

Wearable bionic device mimics birds' extraordinary sight and uses almost no power, enabling more efficient and advanced machine vision

https://techxplore.com/news/2025-02-wearable-bionic-device-mimics-birds.html "quickly identifying/ classifying objects... combines advanced materials with neural networks... low-light condition capable, broadband non-volatile storage capabilities... seamlessly combines AI hardware with algorithms... specially oriented GaAs nanowire arrays combined with liquid-surface-assembled P3HT organic films to form van der Waals heterojunctions.... using reservoir computing to recognize moving object's shape, motion, color, UV grayscale... autonomous vehicles, robotics" Related: Neuromorphic system enhances machine vision in extreme lighting environments https://techxplore.com/news/2025-03-neuromorphic-machine-vision-extreme-environments.html Robotic eyes mimic human vision for superfast response to extreme lighting https://www.eurekalert.org/news-releases/1088968 New retina-inspired photodiodes could advance machine vision https://phys.org/news/2025-08-retina-photodiodes-advance-mac...