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With its thickness decreasing down to 60 μm, the (K0.45Na0.55)0.96Li0.04NbO3 (KNLN) single crystals maintains superior piezoelectric constant (d33 = 675 pC N−1). In combination with a 200 μm core multimode fiber, the successful fabrication of a tiny intravascular photoacoustic probe with a 1 mm outside diameter is achieved. The intravascular photoacoustic imaging of the atherosclerotic lesion of a...
To reduce the cost, size and complexity, the digital camera acquire images using a single image sensor overlaid with a color filter array, which is a mosaic of spectrally selective filters and allows only one color component to be sensed at each pixel. The missing two component of each pixel have to be estimated by methods known as demosaicking. The demosaicking algorithm and the CFA design are crucial...
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