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三次元視覚センサによるキャベツ結球の形状計測と収穫適期判定 OAK
佐藤, 禎稔; 宮本, 啓二; 松田, 清明; SATOW, Tadatoshi; MIYAMOTO, Keiji; MATSUDA, Kiyoaki.
キャベツ選択収穫機のための収穫適期判定を目的とし, レーザ距離センサによる三次元視覚センサを開発した。三次元視覚センサは, 外葉を含めたキャベツ結球全体の三次元形状を非接触で検出し, また結球頂部の半展開葉の状態も計測できた。「アーリーボール」の場合, 計測波形をもとに球径と半展開葉の有無で判定すると収穫適期のランク3では77%のキャベツが収穫適と判定され, 適期前のランク2では8%の誤判定が見られた。さらに, 圧縮法の硬さを組み合わせた場合, ランク2の誤判定とランク3の判定精度は, それぞれ8%, 95%であった。また,「金系201号」では球径のみの判定法で, それぞれ7%, 91%の値を示した。 Three-D vision sensor to determine the harvest maturity of cabbage heads was developed for use in selective cabbage harvester. The sensor measured a 3-D image of the entire head formation including the outside leaf of the cabbage and the condition of curled leaf. For Early ball,using the sensor based on head size and curled leaf,77% of the cabbage heads were judged as the best cabbage to harvest in rank 3 while 8% were misjudged in rank 2 (immature...
Palavras-chave: 結球野菜; 選択収穫; 三次元形状計測; 熟度判定; 球径; 半展開葉; 植物計測; Crisp head vegetable; Selective harvesting; 3-D image; Maturity determination; Head size; Curled leaf; Measuring plants.
Ano: 2001 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2959
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