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This paper presents a novel FPGA-based architecture for the Speeded-Up Robust Feature (SURF) extractor. By leveraging the inherent parallelism of the SURF algorithm, we designed a fully pipelined architecture implemented on the FPGA fabric of a Xilinx Zynq-7020 device (XC7Z020CLG484-1). Compared with other high-performing SURF designs in the literature, our implementation achieved the highest frame...
Singlet oxygen (1O2), an excited state of the oxygen molecule, is a crucial intermediate in many biological processes. In the clinical domain, it is generated in most applications of photodynamic therapy (PDT) via photoactivation of a photosensitizing drug. Direct detection of the 1O2 luminescence at 1270 nm wavelength is extremely challenging, due to the high reactivity of 1O2 that results in very...
We report on the direct monitoring of singlet oxygen luminescence at 1270 nm wavelength using a fiber coupled superconducting nanowire single-photon detector. These results open the pathway to practical dose monitoring in photodynamic therapy.
This paper reports on a complete integrated system for radiation detection in harsh field environments, for example monitoring radiation exposure for astronauts or detecting nuclear fissionable materials. Charge conversion nanoparticles doped into a fast electron scintillating resin produce optical pulses specific to neutron radiation. These pulses exit the material since the nanoparticles are smaller...
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