High-speed camera with real time processing for frequency domain imaging
نویسندگان
چکیده
منابع مشابه
High-speed camera with real time processing for frequency domain imaging
We describe a high-speed camera system for frequency domain imaging suitable for applications such as in vivo diffuse optical imaging and fluorescence lifetime imaging. 14-bit images are acquired at 2 gigapixels per second and analyzed with real-time pipeline processing using field programmable gate arrays (FPGAs). Performance of the camera system has been tested both for RF-modulated laser ima...
متن کاملHigh Speed Time-Domain Imaging
The chapter focuses on positron emission tomography (PET), a medical imaging technique that combines high speed with high complexity data processing. In PET, optical sensors detect gamma events generated by the annihilation of an electron and a positron, by measuring hundreds of individual photon times-ofarrival. These measurements are carefully analyzed, every 6.4 ls, by ultra-fast networks an...
متن کاملHigh-speed optical frequency-domain imaging.
We demonstrate high-speed, high-sensitivity, high-resolution optical imaging based on optical frequency-domain interferometry using a rapidly-tuned wavelength-swept laser. We derive and show experimentally that frequency-domain ranging provides a superior signal-to-noise ratio compared with conventional time-domain ranging as used in optical coherence tomography. A high sensitivity of -110 dB w...
متن کاملHigh-speed spatial frequency domain imaging with temporally modulated light.
Spatial frequency domain imaging (SFDI) is a wide-field diffuse optical technique used to obtain optical properties and chromophore concentrations in highly scattering media, such as biological tissue. Here, we present a method for rapidly acquiring multispectral SFDI data by modulating each illumination wavelength at a different temporal frequency. In the remitted signal, each wavelength is te...
متن کاملReal-time image processing and fusion for a new high-speed dual-band infrared camera
A dual-band infrared camera system based on a dual-band quantum well infrared photodetector (QWIP) has been developed for acquiring images from both the mid-wavelength (MWIR) and long-wavelength (LWIR) infrared spectral band. The system delivers exactly pixel-registered simultaneously acquired images. It has the advantage that appropriate signal and image processing permit to exploit difference...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Biomedical Optics Express
سال: 2011
ISSN: 2156-7085,2156-7085
DOI: 10.1364/boe.2.001931