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BuKePrinting >> knowledge >> 立體印刷原理

立體印刷原理

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-01-14 | 1286 Views | Share:
立體印刷是根據人眼形成立體感的生理特性和光柵板折射分像的光學原理，通過使用光柵板而使平面二維圖像景物具有立體感。

    立體印刷原理

立體印刷是根據人眼形成立體感的生理特性和光柵板折射分像的光學原理，通過使用光柵板而使平面二維圖像景物具有立體感。

下麵就立體印刷的成像原理向大家進行簡單的介紹。


人眼的生理特性

物體處於立體空間中，視覺系統能把不同距離深度的目標物在視網膜上形成的二元像呈現出立體感，稱為立體視覺感。

從生理上分析，立體視覺感的形成有許多原因，包括生理和心理的。單從與立體印刷相關的成像理論來分析，立體視覺的生理形成可以看成先由輻輳確定註視點，

然後由雙眼視差進行精確的深度和位置的判斷這樣兩個過程。

當兩眼同時凝視某一物體時，若物體很遠，則兩眼的視線基本平行。而當物體靠近的候，兩個眼球便向內旋轉，視線在物體處相交。兩眼的這種動作叫輻輳。

輻輳對深度感的形成有直接作用。由輻輳引起的深度感對近距離20m以內有效，遠距離時其效果顯著減小。

立體印刷原理
立體印刷原理

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