An Editors' Pick via #OPG_JOSA_A: Fundamental limits to phase and amplitude estimation in the high-Strehl regime bit.ly/4oknRtZ #GroundBasedTelescopes #SpatialResolution @uarizona

On this #SpotlightSunday, view this #Spotlight by Daniele Pelliccia of #OPG_OpEx: Ghost imaging in convolution space using shifted random-pattern illumination bit.ly/4up82ER #GhostImaging #SpatialResolution @HamamatsuPhoton

An Editors' Pick via #OPG_OpEx: Super-resolution structured illumination microscopy of cellular nanopores using near-infrared fluorescent probes bit.ly/4kg8DnJ #SpatialResolution #BiomedicalImaging

NASA’s FIRMS satellite has detected a fire incident in #AndhraPradesh, linked to a reported #ONGCGasLeak. Satellite pixels covering areas of ~1 sq km and ~1.35 sq km are influenced by heat intensity, even though the actual ground-level fire spread may not be that extensive. Pixels of 375 m and 1 sq km resolution were observed here. This reminds us that satellite data captures impact intensity, not just physical extent, as observations are limited by the smallest measurement unit—the pixel. #GeospatialIntelligence #SatelliteImagery #RemoteSensing #DisasterMonitoring #FireDetection #FIRMS #HeatSignature #SpatialResolution #EarthObservation @TakshashilaInst

📡 What is Spatial Resolution in Remote Sensing? 🌍 💬 Tutorial Link: youtu.be/5Y41s3GnYjM?si=6BtZ… #RemoteSensing #GIS #SpatialResolution #EarthObservation #GeospatialScience #SatelliteImagery #StudyHacks

What is Spatial resolution in remote sensing? Remote Sensing tutorial Tutorial Link: youtu.be/5Y41s3GnYjM #SpatialResolution #RemoteSensing #RemoteSensingTutorial #Geospatial #EarthObservation #SatelliteImagery #DataAnalysis

View this Spotlight Summary by Aongus McCarthy of Single-photon laser reflective tomography over 7 km bit.ly/4q1yYIK #SpatialResolution #DiffractionLimit @StudyatUSTC

3D Multi-Line Need to follow dendrites or elongated structures? 🧠🔬 Multi-Line scanning draws fast paths across multiple lines in 3D, giving you crisp activity traces along branches and axons. 🌿⚡ It’s a smart way to capture spatially distributed signals with frame rates you won’t get from standard raster scans. 🚀📈 #3DImaging #NeuroscienceTools #Microscopy #Dendrites #Axons #Neurotech #ImagingInnovation #FastScanning #SpatialResolution #BrainResearch

Via #OPG_AO: PRAFNet: a polarization–RGB adaptive fusion network for object detection in complex environments bit.ly/4mOhHjP #MultimodalFusion #SpatialResolution

🚨✨ DUAL SOURCE CARDIAC PHOTON COUNTING CT - Tiny anomaly, HUGE tech power! ✨🚨 🫀🔍 Today we spotted a tiny fistula connecting the Left Anterior Descending (LAD) coronary artery to the root of the main pulmonary artery on Photon Counting Dual Source CT 🧠💥. ✅ High Spatial Resolution At 0.2 mm, even the most delicate vascular connections are revealed in striking detail. ➡️ Threadlike vessels? Not a problem. ✅ High Temporal Resolution With 66 ms temporal sharpness, cardiac motion blurs disappear. ➡️ Frozen in time, just like we need. ✅ High Contrast-to-Noise Ratio Thanks to energy-resolved photon data, vascular contrast pops, even without massive doses. ➡️ Bright vessels, clean background, diagnostic clarity. 📸 The result? A stunning 3D & 4D visualization of a coronary-pulmonary fistula, spotted incidentally, fully characterized, and ready for clinical decision-making — in a single heartbeat scan. ❤️⚡ 🔬 This is not just imaging. This is diagnosis with confidence. This is Photon Counting CT. This is the future — already installed. 🚀💥🫁🫀📈 #PhotonCountingCT #CardiacImaging #RadiologyInnovation #CTRevolution #SpectralImaging #Cardiology #PrecisionMedicine #Radiology #ContrastMedia #100MicronCT #AIinImaging #ValueBasedCare #CardiacCT #Radiology #TemporalResolution #SpatialResolution #ImagingInnovation #PrecisionMedicine #CardiovascularImaging #NAEOTOMAlpha #SiemensHealthineers

An Editors' Pick via #OPG_OpEx: Experimental comparison of X-ray ptychographic and holographic nanotomography of metal-stained neuronal tissue bit.ly/3GyOl9F #XRayNanotomagraphy #SpatialResolution @psich_en

🔬 One Scan. Infinite Data. How a Single 100-Micron Cardiac CT with Photon-Counting CT Becomes a Diagnostic Powerhouse 🫀 Imagine obtaining a complete cardiovascular assessment—from coronary anatomy to myocardial tissue characterization—with just one CT scan. No follow-ups. No add-ons. No ambiguity. Thanks to Photon-Counting CT (PCCT) with ultra-high spatial resolution (100 μm) and optimized high-iodine contrast administration, this is no longer a dream—it’s clinical reality. Especially if this is paired with highest temporal resolution from Dual Source CT technology (66ms). 💡 What Can Be Extracted from One PCCT Scan? ✅ Coronary Arteries • Submillimetric plaque characterization (calcified, fibrous, lipid-rich) • Stent lumen visualization with minimal blooming • Precise assessment of bypass grafts and anastomoses ✅ Cardiac Chambers • Volumetric quantification (EDV, ESV, EF) • Wall thickness & remodeling patterns • Subclinical LVH or early dilatation ✅ Aortic Root and Valves • Accurate measurement of annulus, sinuses, and coronary ostia • Valve morphology, calcification, or endocarditis ✅ Myocardial Tissue Mapping (emerging frontier) • Delayed enhancement/ECV for scar/fibrosis • Iodine-based perfusion mapping • VNC for calcium scoring and artifact suppression ✅ Pericardium, Veins, and Extracardiac Findings • Pericardial effusion or thickening • Pulmonary veins pre-ablation planning 🧪 The Secret Sauce? 📌 High Iodine Concentration (400mgI/ml) Smart Injection Protocols When combined with PCCT’s energy-resolving detectors and high z-axis resolution, a well-optimized contrast protocol enhances: • Vascular and myocardial signal • Noise suppression through spectral filtering • Quantification accuracy for iodine-based maps 📊 Outcome: More Information per Scan 🔁 Less need for additional imaging 🧠 Better decision-making 💸 More value for patients, payers, and providers 🗨️ Ready to move from “just imaging” to “imaging as intelligence”? Photon-Counting CT is not an upgrade. It’s a paradigm shift. #PhotonCountingCT #CardiacImaging #RadiologyInnovation #CTRevolution #SpectralImaging #Cardiology #PrecisionMedicine #Radiology #ContrastMedia #100MicronCT #AIinImaging #ValueBasedCare #CardiacCT #Radiology #TemporalResolution #SpatialResolution #ImagingInnovation #PrecisionMedicine #CardiovascularImaging #NAEOTOMAlpha #SiemensHealthineers

🔬 One Scan. Infinite Data. How a Single 100-Micron Cardiac CT with Photon-Counting CT Becomes a Diagnostic Powerhouse 🫀 Imagine obtaining a complete cardiovascular assessment—from coronary anatomy to myocardial tissue characterization—with just one CT scan. No follow-ups. No add-ons. No ambiguity. Thanks to Photon-Counting CT (PCCT) with ultra-high spatial resolution (100 μm) and optimized high-iodine contrast administration, this is no longer a dream—it’s clinical reality. Especially if this is paired with highest temporal resolution from Dual Source CT technology (66ms). 💡 What Can Be Extracted from One PCCT Scan? ✅ Coronary Arteries • Submillimetric plaque characterization (calcified, fibrous, lipid-rich) • Stent lumen visualization with minimal blooming • Precise assessment of bypass grafts and anastomoses ✅ Cardiac Chambers • Volumetric quantification (EDV, ESV, EF) • Wall thickness & remodeling patterns • Subclinical LVH or early dilatation ✅ Aortic Root and Valves • Accurate measurement of annulus, sinuses, and coronary ostia • Valve morphology, calcification, or endocarditis ✅ Myocardial Tissue Mapping (emerging frontier) • Delayed enhancement/ECV for scar/fibrosis • Iodine-based perfusion mapping • VNC for calcium scoring and artifact suppression ✅ Pericardium, Veins, and Extracardiac Findings • Pericardial effusion or thickening • Pulmonary veins pre-ablation planning 🧪 The Secret Sauce? 📌 High Iodine Concentration (400mgI/ml) Smart Injection Protocols When combined with PCCT’s energy-resolving detectors and high z-axis resolution, a well-optimized contrast protocol enhances: • Vascular and myocardial signal • Noise suppression through spectral filtering • Quantification accuracy for iodine-based maps 📊 Outcome: More Information per Scan 🔁 Less need for additional imaging 🧠 Better decision-making 💸 More value for patients, payers, and providers 🗨️ Ready to move from “just imaging” to “imaging as intelligence”? Photon-Counting CT is not an upgrade. It’s a paradigm shift. #PhotonCountingCT #CardiacImaging #RadiologyInnovation #CTRevolution #SpectralImaging #Cardiology #PrecisionMedicine #Radiology #ContrastMedia #100MicronCT #AIinImaging #ValueBasedCare #CardiacCT #Radiology #TemporalResolution #SpatialResolution #ImagingInnovation #PrecisionMedicine #CardiovascularImaging #NAEOTOMAlpha #SiemensHealthineers

🫀 Why Spatial & Temporal Resolution Matter in Cardiac CT & why Dual Source Photon Counting CT can get you beyond In Cardiac CT, two major parameters define the difference between just seeing the heart… and deeply understanding it: 🔬 Spatial Resolution ➡️ Determines how small a structure can be before it blurs. ✅ With 100 µm (0.2 mm) resolution, we can visualize: • Coronary plaques with unprecedented clarity • Calcified coronary arteries, stents and bypass grafts with minimal blooming • Subtle anatomical variants that impact diagnosis and planning ⏱️ Temporal Resolution ➡️ Determines how well we can freeze motion—crucial for a beating heart. ✅ At 66 ms, we can: • Capture clear images even at high heart rates • Reduce motion artifacts in arrhythmic patients • Minimize the need for beta-blockers or sedation 🔄 Downstream Effects in Clinical Practice 📈 Improved diagnostic confidence 🧠 Better risk stratification and decision-making 💉 Much fewer invasive procedures due to better noninvasive characterization 🌍 Expanded access to high-quality scans in broader populations (e.g., AFib, tachycardia, calcified coronaries) 💡 Bottom line: achieving these technical benchmarks is not just about image quality—it’s about clinical impact, workflow efficiency, and ultimately, better patient outcomes. #CardiacCT #Radiology #PhotonCountingCT #TemporalResolution #SpatialResolution #ImagingInnovation #PrecisionMedicine #CardiovascularImaging #NAEOTOMAlpha #SiemensHealthineers

🎉 Celebrating 5 Years of Clinical Photon-Counting CT! At the beginning of June, the vibrant city of Pilsen, Czech Republic — home of Pilsner beer and now a hub of imaging innovation — hosted a landmark event at the Department of Radiology of the Faculty of Medicine, Charles University. I was honored to be invited to this venue where worldwide experts in the field shared experience and knowledge. 🔬 The Photon-Counting CT Talks brought together global leaders in radiology to mark five transformative years of clinical application of Photon-Counting CT (PCCT), the most significant advancement in CT technology in decades. 👨‍⚕️ Top minds from institutions like Stanford, Zurich, Maastricht, Tübingen, Milan/Naples, Charleston, Mannheim, and others shared their cutting-edge work on: ✅ Cardiovascular applications of PCCT: • Ultra-high-resolution coronary imaging • Precise quantification of plaque, stents, and bypasses • Motion-robust scans at high heart rates • Improved risk stratification and reduced need for invasive testing 🧠 Broader clinical applications: • Stroke assessment • Pediatric diagnostics • Lung cancer screening • Surgical planning (e.g., pancreas, vascular surgery) 🤖 Future-forward innovations: • Radiomics & AI-driven diagnostics • Informatics infrastructure and digital platforms • Health system integration from Siemens Healthineers’ visionaries 🍽️ The event was enriched by Czech hospitality — a festive dinner at Na Spilce, inside the historic Pilsner Urquell Brewery, followed by a traditional beer tapping workshop. 🙏 Huge thanks to Prof. Jiří Ferda and the Pilsen team for organizing an event that perfectly balanced scientific depth, visionary innovation, and cultural celebration. 🚀 PCCT is not just the future — it’s happening now. And it’s reshaping how we see the human body, one photon at a time. #PhotonCountingCT #PCCT #RadiologyInnovation #CardiacCT #CTImaging #AIinRadiology #ClinicalImaging #Pilsen #CharlesUniversity #MedicalImaging #HealthcareTechnology #SiemensHealthineers #CardiacCT #Radiology #PhotonCountingCT #TemporalResolution #SpatialResolution #ImagingInnovation #PrecisionMedicine #CardiovascularImaging #NAEOTOMAlpha #SiemensHealthineers

🫀 Why Spatial & Temporal Resolution Matter in Cardiac CT & why Dual Source Photon Counting CT can get you beyond In Cardiac CT, two major parameters define the difference between just seeing the heart… and deeply understanding it: 🔬 Spatial Resolution ➡️ Determines how small a structure can be before it blurs. ✅ With 100 µm (0.2 mm) resolution, we can visualize: • Coronary plaques with unprecedented clarity • Calcified coronary arteries, stents and bypass grafts with minimal blooming • Subtle anatomical variants that impact diagnosis and planning ⏱️ Temporal Resolution ➡️ Determines how well we can freeze motion—crucial for a beating heart. ✅ At 66 ms, we can: • Capture clear images even at high heart rates • Reduce motion artifacts in arrhythmic patients • Minimize the need for beta-blockers or sedation 🔄 Downstream Effects in Clinical Practice 📈 Improved diagnostic confidence 🧠 Better risk stratification and decision-making 💉 Much fewer invasive procedures due to better noninvasive characterization 🌍 Expanded access to high-quality scans in broader populations (e.g., AFib, tachycardia, calcified coronaries) 💡 Bottom line: achieving these technical benchmarks is not just about image quality—it’s about clinical impact, workflow efficiency, and ultimately, better patient outcomes. #CardiacCT #Radiology #PhotonCountingCT #TemporalResolution #SpatialResolution #ImagingInnovation #PrecisionMedicine #CardiovascularImaging #NAEOTOMAlpha #SiemensHealthineers

🫀 Why Spatial & Temporal Resolution Matter in Cardiac CT & why Dual Source Photon Counting CT can get you beyond In Cardiac CT, two major parameters define the difference between just seeing the heart… and deeply understanding it: 🔬 Spatial Resolution ➡️ Determines how small a structure can be before it blurs. ✅ With 100 µm (0.2 mm) resolution, we can visualize: • Coronary plaques with unprecedented clarity • Calcified coronary arteries, stents and bypass grafts with minimal blooming • Subtle anatomical variants that impact diagnosis and planning ⏱️ Temporal Resolution ➡️ Determines how well we can freeze motion—crucial for a beating heart. ✅ At 66 ms, we can: • Capture clear images even at high heart rates • Reduce motion artifacts in arrhythmic patients • Minimize the need for beta-blockers or sedation 🔄 Downstream Effects in Clinical Practice 📈 Improved diagnostic confidence 🧠 Better risk stratification and decision-making 💉 Much fewer invasive procedures due to better noninvasive characterization 🌍 Expanded access to high-quality scans in broader populations (e.g., AFib, tachycardia, calcified coronaries) 💡 Bottom line: achieving these technical benchmarks is not just about image quality—it’s about clinical impact, workflow efficiency, and ultimately, better patient outcomes. #CardiacCT #Radiology #PhotonCountingCT #TemporalResolution #SpatialResolution #ImagingInnovation #PrecisionMedicine #CardiovascularImaging

🌟 Photon Counting CT in Kuwait: what an Exciting Journey! 🇰🇼 I had the incredible opportunity to lead two unforgettable evenings dedicated to Photon Counting CT on May 12th and 13th, 2025, hosted by Siemens Healthineers and Sultan United Medical in Kuwait. 📍 Day 1: Focused on cardiac applications, myself and Dr. Leena Sulaibeekh, shoed the massive potential of PCCT in Cardiovascular applications. 📍 Day 2: We explored broader clinical applications of Photon Counting CT (UHR, Spectral of Whole Body), with an immersive presentation and hands-on clinical case reviews—all wrapped in an atmosphere of innovation and collaboration. 💬 The energy, curiosity, and participation from our colleagues in Kuwait were absolutely inspiring. It was a privilege to share insights and discuss the future of imaging with such a motivated audience. ✨ A huge thank you to everyone who joined us—together, we’re seeing the unseen and entering a new era in diagnostic imaging! #PhotonCountingCT #MedicalImaging #RadiologyInnovation #CardiacCT #KuwaitRadiology #FilippoCademartiri #SultanUnited #NAEOTOMAlpha #Siemens #Healthineers #PhotonCountingCT #PCCT #CardiacImaging #CTAngiography #SpatialResolution #MedicalImaging #RadiologyInnovation #HighResolutionCT #Cardiology #SpectralImaging #PCCT #SpectralImaging #EarlyDiagnosis #PrecisionImaging #CardiovascularImaging #RadiologyInnovation #PreventiveMedicine #HighRiskPlaque

🚨 TECHNICAL INSIGHT: Spatial Resolution in Cardiac CT – PCCT vs. EID CT 🫀📏 In cardiac CT imaging, spatial resolution is a critical parameter that determines the ability to visualize fine anatomical structures such as thin coronary artery walls, small plaques, and early-stage calcifications. 🔬 Traditional Energy-Integrating Detector (EID) CT scanners are fundamentally limited by: Slice thickness typically in the range of 0.5–0.625 mm. Scintillator blur and optical crosstalk, due to the indirect conversion process (X-ray → light → electrical signal). Septal gap dead space, which further limits true detector granularity. 🚀 Enter Photon-Counting CT (PCCT): a game-changer with direct-conversion detectors (e.g., CdTe or CZT) that eliminate the intermediate optical stage. This allows: Detector pixel sizes down to 0.11 mm at isocenter. Reduced electronic noise and no optical cross-talk, preserving high-frequency spatial information. Improved Modulation Transfer Function (MTF), especially at >15 lp/cm, enabling visualization of submillimetric coronary plaques and vessel wall morphology. 💡 Why it matters: Higher spatial resolution enables early detection of non-stenotic vulnerable plaques, thin-cap fibroatheromas, and layered thrombi, which are often missed on conventional CT. This transforms preventive cardiology by shifting the focus from lumenography to plaque biology and vessel remodeling. 🔍 Precision in resolution = precision in diagnosis. #NAEOTOMAlpha #Siemens #Healthineers #PhotonCountingCT #PCCT #CardiacImaging #CTAngiography #SpatialResolution #MedicalImaging #RadiologyInnovation #HighResolutionCT #Cardiology #SpectralImaging #PhotonCountingCT #PCCT #SpectralImaging #EarlyDiagnosis #PrecisionImaging #CardiovascularImaging #RadiologyInnovation #PreventiveMedicine #HighRiskPlaque

Via #OPG_AO: Simulation study of turntable-based multi-industrial robot collaborative optical machining technology bit.ly/3FfIDIM #LargeTelescopes #SpatialResolution @CAS__Science