Tag

Computational Imaging

All articles tagged with #computational imaging

technology1 month ago•5 min saved

iPhone 18 Pro Reimagines Mobile Photography with Variable-Aperture Main Camera

Apple unveils the iPhone 18 Pro and Pro Max with a redesigned 48MP Fusion Main camera featuring a variable aperture from f/1.48 to f/4, plus 48MP Fusion Ultra Wide and Telephoto lenses, enabling sharper detail and better low-light performance; the Camera app gains pro controls and developers will get API access to the new system. Video gains include post-capture Cinematic effects up to 60fps, 4K Dolby Vision HDR, and improved Audio Mix, alongside an on-sensor content authenticity sign. Power comes from a new 2nm A20 Pro chip with dual Neural Engines and a larger vapor chamber for improved thermal performance and sustained power. The 6.3-inch Pro and 6.9-inch Pro Max feature upgraded displays and Dynamic Island; pricing starts at $1,199 and $1,299 with preorder September 12 and availability September 18, plus Apple Upgrade financing.

via PetaPixel|

#apple-intelligence #camera #computational-imaging

technology5 months ago•6 min saved

PCA-iSIM: A Compact, Fast Route to Real-Time Super-Resolution Microscopy

Researchers from the Smart Computational Imaging Laboratory (SCILab) at Nanjing University of Science and Technology unveil PCA-iSIM, a compact DMD-based incoherent structured-illumination microscopy framework that couples high-modulation coefficient mapping with principal component analysis to recover high-frequency details from low-contrast patterns, enabling real-time imaging at up to 30 frames per second with about 100 nm resolution and a ~70% simpler optical design than laser-based SIM; demonstrated in living cells imaging mitochondrial activity under challenging noise and setting changes.

via SciTechDaily|

#computational-imaging #microscopy #pca-isim

technology8 months ago•4 min saved

Software-Driven Sensor Array Delivers Sub-Micron, Lens-Free Imaging

University of Connecticut researchers led by Guoan Zheng introduced MASI, a lens-free imaging system that uses an array of coded sensors to record diffraction data and relies on post-capture software to align and reconstruct a virtual, larger aperture. This avoids precise hardware synchronization and lenses, delivering sub-micron resolution over a wide field of view at visible wavelengths. The scalable, computation-driven approach could enable advances in medicine, forensic science, industrial inspection, and remote sensing.

via SciTechDaily|

#computational-imaging #lens-free-imaging #masi

science-and-technology2 years ago•1 min saved

"Breakthrough: Ultrafast Camera Sets Record at 156.3 Trillion Frames Per Second"

Canadian researchers have developed the SCARF camera system, capable of capturing up to 156.3 trillion frames per second using passive femtosecond imaging. This breakthrough in ultrafast photography allows for the study of micro-events that occur too quickly for existing sensors, such as absorption in a semiconductor and demagnetization of a metal alloy. The camera uses computational imaging to process time-staggered inputs and create a full picture, enabling the study of phenomena like femtosecond laser ablation and shock-wave interaction with living cells. The system, made using off-the-shelf optical components, represents a significant advancement in ultrafast imaging technology.

via PetaPixel|

#computational-imaging #research #scarf

science-and-technology3 years ago•2 min saved

"Revolutionary Neural Network Enhances Coherent Imaging on a Large Scale"

Researchers have developed a complex-domain neural network that enhances large-scale coherent imaging, revolutionizing optical imaging by providing wide field-of-view and high-resolution capabilities. The technique exploits latent coupling information between amplitude and phase components, leading to multidimensional representations of complex wavefront. The network significantly reduces exposure time and data volume while maintaining high-quality reconstructions, offering implications for high-level semantic analysis and intelligent medical care. This technology holds promise for real-time cell observation and pushing the boundaries of medical diagnostics.

via Phys.org|

#coherent-imaging #computational-imaging #high-resolution-imaging