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An LED chip with monolithically integrated, individually addressable multi-color pixels was demonstrated with a color tuning range from blue to green on a single epitaxial wafer.
A lot of works have been done to explore the possibility of integrating multiple colors in one LED chip [1,2,3]. It has great potential in displays, imaging, sensors, and plenty of possible applications. Multi-color nanoLED arrays have been achieved by molecular-beam-epitaxy grown InGaN dot-in-wire structures [1,3] and colloidal quantum dot arrays [2]. However, they requires complicated manufacturing...
The paper mainly investigates the widely-used image features and related feature selection methods in content-based image retrieval (CBIR).The texture features and shape features that could be used in the retrieval of solar images are mainly discussed. The result of the survey indicates that although the CBIR related research work in solar image retrieval is comparatively less, the existing achievements...
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