Radiation is the cost of every procedure
Coronary cine is commonly acquired at 15 frames per second, and every frame is a separate X-ray pulse. Patients are exposed during each procedure; cath lab teams, procedure after procedure.
Angio-FILM (AF100) · AI software for the cath lab
Half the radiation.
Every frame that matters.
CoroLogic restores low-frame-rate coronary angiography with generative AI — so cath labs can acquire at lower dose without giving up the image. Moments after each run, restored cine is back on the lab's screen, in near real time.
Case 1 · Run 1 · coronary angiography
Same run, same clock
One low-frame-rate acquisition. Angio-FILM generates the frames in between — 2× and 4×.
The cath lab trade-off
Lower frame rate means lower dose. Until now, it also meant a worse picture.
Fewer frames cut dose — but break the motion
Dropping cine from 15 to 7.5 fps halves the frames — and the X-ray pulses — but the motion turns choppy. Concern over image quality is why many labs keep cine at 15 fps.
Software is the next lever
Detectors, filtration and image processing have steadily lowered the dose of each frame. Frame rate is a separate lever — and software can restore the motion that fewer frames leave out.
Technology
Acquire fewer frames. Angio-FILM generates the ones in between.
Angio-FILM is a video frame interpolation (VFI) model built specifically for coronary angiography. It looks at two acquired frames, understands how the vessels, contrast and devices moved between them, and generates the frame that belongs in the middle. It uses latent flow matching — learning stable, direct transformation paths rather than random generation — to suppress the distortion and hallucination risks common to generative AI.
Acquired · 7.5 fps
Restored · 15 fps
Acquired frame — passed through untouched
Generated by Angio-FILM
How it fits into the cath lab
No new X-ray equipment, no extra clicks. Angio-FILM runs on a dedicated on-premise edge server between the angiography system and the review screen.
7.5 fps
15 fps · Angio-FILM
The product
Angio-FILM, running.
A study arrives from the angiography system, contrast frames are detected, and the restored 15 fps sequence is ready for review moments later — all without anyone touching the keyboard.
- Zero-click: studies are picked up automatically
- Acquired frames pass through bit-for-bit unchanged
- Runs entirely inside the hospital network
- Vendor-neutral by designConnects through the DICOM standard rather than one manufacturer's platform. Compatibility is confirmed for each hospital and system at installation.
- On-premiseImages are processed on an edge server inside the hospital network, not in the cloud.
- Keeps your X-ray equipmentAngio-FILM adds an edge server to the cath lab network; the angiography system stays as it is.
Case library
Eight real cases. Half the frames on the left. Judge the motion yourself.
Each clip shows the same run twice: the 7.5 fps acquisition on the left, and the Angio-FILM restoration to 15 fps on the right. Both play on the same clock, so the difference you see is the restoration — not playback speed.
Retrospective sample data. Patient identifiers removed; clips trimmed and compressed for web display. Shown for illustration of the research technology.
Evidence
Trained and tested at scale. Peer-reviewed in npj Digital Medicine.
- Patients
- 28,907
- 38,001 studies at SNUBH, 2003–2023
- Angiography videos
- 377,002
- Full dataset; 357,933 used for training
- External test set
- 1,574
- Patients (10,543 videos) from the public CoronaryDominance dataset
- Visual Turing test
- 54%
- 30 physicians, 600 videos: telling restored videos from originals was not significantly different from chance (p = 0.107)
- Minimal lumen diameter
- 0.18mm
- Mean absolute error vs. original frames on quantitative coronary analysis
Source: npj Digital Medicine (2026), retrospective study.
Where we are — regulatory, clinical, quality
- Done · Jun 2026 Research published npj Digital Medicine
- Done · Jul 2026 Core patent applications assigned Two applications transferred from SNUBH to CoroLogic
- Done · Aug 2026 MFDS notification — AF100 Class I digital medical device
- In progress Clinical program Study design complete; participating sites in discussion. External validation → adoption feasibility → confirmatory RCT
- Oct–Dec 2026 ISO 13485 certification With BSI: Stage 1 audit Oct–Nov, Stage 2 in December
- 2027 MFDS Class II & GMP Class II review with GMP conformity in parallel; FDA 510(k) pathway under review
Working with CoroLogic
Three ways to work with us. One goal — help make low-dose angiography the standard of care.
Built for lower-dose acquisition, inside the workflow you already run.
We're bringing Angio-FILM (AF100) to hospitals with cath labs, starting in Korea. Installations are planned from 2027 through Korea's AI Voucher program, followed from 2028 by per-case, non-reimbursed billing under the deferred new-health-technology assessment pathway.
Request a pilot assessment →Add a software lever to your dose-reduction portfolio.
Angio-FILM is available for technology partnership and licensing as a software module for angiography platforms — deployable across cath labs without new hardware.
Explore integration →Generative AI built for a clear clinical need at the point of care.
A regulated, high-value market, published evidence at scale, and a team that went from spin-off to device notification, seed and TIPS in five months.
Request an overview →Pipeline
Now
Real-time processing — a standalone system that restores cine as fast as the lab needs it
Ultra-low dose — restoring from even fewer acquired frames
Next
Cine from fluoroscopy — cine-quality images from fluoro acquisition
Pediatric cardiac catheterization
Later
Neuro-interventional angiography
Peripheral vascular intervention
Company
A spin-off from Seoul National University Bundang Hospital cardiology.
CoroLogic was founded on May 4, 2026 to take five years of hospital-initiated research into clinical practice. Clinicians define the problem, engineers turn it into a product, and industry veterans carry it to adoption — inside one three-person founding team.
- Deep Science Startup Program
- Founded · EuroPCR debut, Paris
- npj Digital Medicine
- Core patent applications assigned
- MFDS notification · Good R&D Award · KHF
- Seed announced · TIPS
- BioJapan · ISO 13485 audit
KyungRae Hwang
Co-founder & CEO
Over two decades in cardiovascular intervention devices. Leads operations, investment, regulatory affairs and commercialization. MBA, Indiana University.
Si-Hyuck Kang, MD
Co-founder & CMO
Interventional cardiologist and professor of cardiology at SNUBH. Co-inventor of Angio-FILM and principal investigator of the research program; leads clinical studies and publications.
Youngrak Choi
Co-founder & CTO
11+ years building angiography systems at Siemens and Canon. Turned the research model into a deployable product; leads AI, security and clinical-grade engineering.
Backed by
- Kakao Ventures
- SNU Holdings
Programs & recognition
- TIPS · Ministry of SMEs and Startups
- Deep Science Startup Program · MSIT
- Good R&D Award 2026
Origin & IP
- Spin-off from SNUBH Division of Cardiology
- Two core patent applications, assigned to CoroLogic Jul 2026
Newsroom
2026, so far.
Next: BioJapan 2026, Yokohama · Oct 7–9
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CoroLogic selected for TIPS
Selected for Korea's government-backed Tech Incubator Program for Startups (TIPS), securing R&D funding for the next 24 months to advance Angio-FILM, expand multicenter clinical research and pursue further regulatory approvals in Korea and abroad. CoroLogic was recommended by SNU Holdings, its seed investor and TIPS operator.
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Seed funding from Kakao Ventures and SNU Holdings
CoroLogic announced its first outside funding, which will go to multicenter clinical studies, product refinement, ISO 13485 certification and approvals in Korea and abroad, including FDA 510(k).
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Exhibited at KHF 2026 with Seoul National University Bundang Hospital
Angio-FILM was shown in the SNUBH joint pavilion at the K-Hospital + HealthTech Fair (KHF 2026), COEX, Seoul.
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Good R&D Award for clinical imaging AI
CEO KyungRae Hwang accepted the Good R&D Award in the medical AI category at the 12th Korea Good Company Awards.
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First medical device notified: Angio-FILM (AF100)
Three months after founding, CoroLogic completed Korean MFDS Class I notification for its first software medical device.
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SNUBH unveils the research behind Angio-FILM
Published in npj Digital Medicine in June, the retrospective study found that 30 physicians could not reliably tell restored angiograms from originals, with a mean absolute error of 0.18 mm in minimal lumen diameter.
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Global debut at EuroPCR 2026, Paris
A live 7.5 vs 15 fps demonstration at the Innovation Showroom drew angiography vendors, device companies and interventional cardiologists; Prof. Si-Hyuck Kang presented at the Innovation Theatre on AI and advanced imaging in coronary intervention.
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Angio-FILM research selected for the Deep Science Startup Program
The Ministry of Science and ICT program backs the path from Prof. Si-Hyuck Kang's SNUBH research to a company, including a real-time standalone processing system. Covered by more than 25 outlets.
Contact
Bring lower-dose angiography into your cath lab.
Evaluating a pilot, exploring OEM integration, or looking at the investment case — we'd like to hear from you. We reply within one business day.