Kensi Sakai

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A machine-vision method applicable to precision farming for environmental friendly agriculture is proposed which distinguish which of clover and gramineous weeds is dominant, within a section of 30cm square. Pictures of vegetated ground are treated as random textures and micro-shape based feature extraction method is applied. As many as 98are correctly(More)
Summary form only given. Generation of cw THz electromagnetic waves by photomixing of two lights from independent two lasers had attracted a great deal of attention. However, each laser in the system should be stabilized separately, and a perfect spatial mode matching was required for efficient THz generation. Optical-alignment procedure is troublesome in(More)
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