3 D projection printing system and method thereof

Abstract

The invention provides a 3 D projection printing system and a method thereof. The 3 D projection printing system comprises a projection unit, an image sensing unit, an image processing unit and an accommodating chamber, wherein the projection unit is used for projecting light sources to an object; the image sensing unit is used for scanning at least one variable image produced by the light sources projected to the object; the image processing unit is used for receiving the variable images, generating stereoscopic images, conducting layer cutting processing on the stereoscopic images and sending generated data comprising a plurality of layers of plane images to the projection unit; and the accommodating chamber is used for accommodating a photographic forming material. The plane images are projected to the corresponding parts of the photographic forming material layer by layer through the projection unit according to the data so as to be subjected to light curing, and then the light-cured part corresponding to each layer of plane image is subjected to curing, so that each corresponding stereoscopic layer is formed, and when all stereoscopic layers are formed one by one, a stereoscopic object corresponding to the overall appearance of the object is formed.

Description

technical field [0001] The present invention relates to a 3D projection printing system and a method thereof, in particular to a 3D projection printing system and a method thereof for realizing 3D printing by means of projection. Background technique [0002] With the development of today's multimedia technology and imaging technology, 3D images that bring people stereoscopic visual effects are gradually popularized. In addition to being widely used in large-scale projection systems (such as cinemas or home projection systems), displays (such as TVs, computers, etc.), portable In addition to imaging devices such as electronic devices (such as tablet computers and mobile phones), images can also be printed on 3D printing equipment to replace traditional two-dimensional image printing. [0003] Existing 3D projection printing systems often need to be equipped with two or more image capture devices (such as cameras) or projection devices (such as projectors), which are respecti...

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to accurately reproduce the 3D object corresponding to the overall appearance of the scanned object through a single projection unit, so as to solve the problem that the existing 3D projection printing system needs to be equipped with multiple image capture devices or multiple projectors , leading to increased manufacturing costs and the disadvantages of bulky 3D projection printing systems, and avoiding the fact that the corresponding points of multiple captured images of known 3D printing devices cannot be accurately matched and consistent, resulting in easy misjudgment by layering software, or analog analysis of layering When the calculation reproduces or converts the original object image, it will be distorted due to different reading or output devices, so it cannot accurately present the original appearance of the object, it will take time to adjust the depth of field, and the printing speed will be slow.

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