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About

Huayu Hou is a biomedical engineer pioneering the use of photoacoustic imaging and robotic visual servoing to reduce radiation exposure during cardiac and abdominal surgeries. Her research focuses on developing image-guided intervention systems that replace or supplement fluoroscopy, a technique that exposes patients and clinicians to ionizing radiation. Hou’s most cited work (76 citations) demonstrates *in vivo* photoacoustic guidance for cardiac catheter-based interventions, showing how robotic visual servoing can track catheters in real time using light and sound. She further validated this approach in a 2020 study (14 citations) addressing the lack of depth information in traditional fluoroscopy. Beyond cardiac applications, Hou extended photoacoustic imaging to abdominal surgery, visualizing major blood vessels in the pancreas and liver (44 citations) to prevent life-threatening hemorrhages. Her contributions directly address critical safety gaps in interventional medicine, offering radiation-free, high-contrast visualization of deep tissues. By integrating robotics with photoacoustics, Hou is advancing a new paradigm for minimally invasive procedures—one that prioritizes both patient and operator safety. Her work has strong translational potential, with implications for catheter ablation, tumor resection, and other high-risk interventions.