WO2018209569A1 - 一种3d扫描模型的切割装置和方法 - Google Patents

一种3d扫描模型的切割装置和方法 Download PDF

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WO2018209569A1
WO2018209569A1 PCT/CN2017/084561 CN2017084561W WO2018209569A1 WO 2018209569 A1 WO2018209569 A1 WO 2018209569A1 CN 2017084561 W CN2017084561 W CN 2017084561W WO 2018209569 A1 WO2018209569 A1 WO 2018209569A1
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model
cut
human body
center point
cutting
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PCT/CN2017/084561
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English (en)
French (fr)
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王志全
王皓棉
曾家东
沈西优
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深圳市三维人工智能科技有限公司
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Priority to CN201780061948.XA priority Critical patent/CN109844759A/zh
Priority to PCT/CN2017/084561 priority patent/WO2018209569A1/zh
Publication of WO2018209569A1 publication Critical patent/WO2018209569A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition

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  • the present invention relates to the field of 3D scanning, and more particularly to a cutting apparatus and method for a 3D scanning model.
  • 3D models have been applied to all walks of life.
  • Conventionally, to make a live 3D model it is usually necessary to generate a model using a 3D body scanner and then manually process it.
  • the cost of manual processing is very high and cannot be generated in batches.
  • the face part in the scan model is usually cut by scanning the face model, spliced to the same position of the preset public model, the edges are smoothly connected, and a complete model is synthesized to obtain the final product.
  • the model generated by the 3D body scanner has defects, such as black hair and other factors, which will bring great difficulties to the above splicing process.
  • the above method cannot accurately remove the influence of the hair or the smooth connection of the edges using the conventional cutting method.
  • the technical problem to be solved by the present invention is to provide a cutting device and method for a 3D scanning model, which can remove the interference of color on scanning, cutting and compositing during scanning, and effectively cut a relatively complete and smooth face model.
  • a technical solution adopted by the present invention is to provide a cutting device for a 3D scanning model, the device comprising: a reading module for reading a common model and a 3D human body scanning model to be subjected to cutting processing;
  • the adjusting module is configured to overlap the processing part of the 3D human body scanning model and the corresponding part of the common model, and adjust the positional relationship between the two to make the center point of the processing part to be cut coincide with the origin of the corresponding part of the common model; , used to find all points on the edge of the part to be cut, and determine the distance center point by calculation
  • the nearest point is to determine the distance from the nearest point to the center point;
  • the cutting module is used to center the center point and the origin, and use the distance from the nearest point to the center point as the radius to determine the part to be cut and the common to the 3D human body scanning model.
  • the cutting range of the corresponding part of the model and cutting is configured to overlap the processing part of the 3D human body scanning model and the corresponding part of the
  • a technical solution adopted by the present invention is to provide a cutting method for a 3D scanning model, the steps of the method comprising: reading a common model and a 3D human body scanning model to be cut; and scanning the 3D human body
  • the processing part to be cut of the model is overlapped with the corresponding part of the common model, and the positional relationship between the two is adjusted so that the center point of the processing part to be cut coincides with the origin of the corresponding part of the common model; Calculate the point closest to the center point, determine the distance from the nearest point to the center point; center the point and the origin, and use the distance from the nearest point to the center point as the radius to determine the part to be cut and the common to the 3D human body scan model
  • the cutting range of the corresponding part of the model and cutting are the steps of the method comprising: reading a common model and a 3D human body scanning model to be cut; and scanning the 3D human body
  • the processing part to be cut of the model is overlapped with the corresponding part of the common model, and
  • the cutting device of the 3D scanning model of the present invention comprises: a reading module for reading a common model and a 3D human body scanning model to be subjected to cutting processing; and an adjusting module for scanning the 3D human body
  • the processing part to be cut of the model is overlapped with the corresponding part of the common model, and the positional relationship between the two is adjusted so that the center point of the processing part to be cut coincides with the origin of the corresponding part of the common model; the calculation module is used to find the processing part to be cut.
  • All points on the edge determine the closest point to the center point by calculation, determine the distance from the nearest point to the center point; the cutting module is used to center the center point and the origin, and use the distance from the nearest point to the center point as the radius to determine the 3D
  • the cutting range of the portion to be cut and the corresponding portion of the common model of the human body scan model is cut.
  • FIG. 1 is a schematic structural view of an embodiment of a cutting device for a 3D scanning model provided by the present invention
  • FIG. 2 is a schematic flow chart of an embodiment of a cutting method of a 3D scanning model provided by the present invention.
  • FIG. 1 is a schematic structural diagram of a cutting device 100 of a 3D scanning model provided by the present invention.
  • the device 100 includes a reading module 110, an adjustment module 120, a calculation module 130, and a cutting module 140.
  • the reading module 110 is configured to read a common model and a 3D body scan model to be cut.
  • the public model is a pre-designed 3D model. It is a skull model with standard faces of different countries and different races. It can be designed in different models and sizes, and all kinds of measurement data of the public model are known.
  • the reading module 110 is connected to a common model and a storage device (not shown) of the 3D human body scan model to be cut, and reads a 3D human body scan model to be cut and a common model.
  • the storage device can be any removable storage device, computer or directly read from the 3D scanning device.
  • the reading module 110 is connected to an image display device, such as a computer, to display the 3D human body scan model and the public model on the display screen of the computer.
  • the device 100 further includes an identification module 150 for identifying the gender type of the 3D body scan model to be cut, and selecting the type of the public model according to the gender type of the 3D body scan model to be cut.
  • the adjusting module 120 is configured to overlap the processing part of the 3D human body scanning model and the corresponding part of the common model, and adjust the positional relationship between the two to make the center point of the processing part to be cut coincide with the origin of the corresponding part of the common model.
  • the adjustment module 120 includes a coincidence unit 121 and an adjustment unit 122, wherein the coincidence unit 121 is configured to overlap the processing portion of the 3D human body scan model to be corresponding to the corresponding portion of the common model.
  • the specific operation is to align the scan model to the public model and make the two models coincide.
  • the processing portion to be cut is set as the face of the 3D human body scanning model
  • the coincidence unit 121 adjusts the relative position of the 3D human body scanning model and the common model through the image display software of the computer to make the face portion of the 3D human body scanning model.
  • the adjusting unit 122 is configured to adjust the face position of the 3D human body scan model by means of translation or rotation so that the origin position of the face of the common model coincides with the center point of the face part of the 3D body scan model.
  • the nose tip portion of the face portion of the 3D human body scan model is selected as the center point thereof, and the common model face also has the nose tip of the face as the origin. The tip of the nose in the face portion of the 3D human body scan model coincides with the origin of the common model face by means of translation and rotation.
  • the calculation module 130 is configured to find all points of the edge of the processing part to be cut, determine the closest point to the center point by calculation, and determine the distance from the nearest point to the center point.
  • the calculation module 130 includes a lookup unit 131 and a calculation unit 132.
  • the searching unit 131 is configured to find an edge point of a face portion of the 3D scan model. Specifically, the search is performed by means of edge detection. For the face of the 3D scan model, the edges include the chin and the edge of the cheek and the contact position of the forehead with the hair. Find the edge points of the face part of the 3D scan model by edge detection.
  • the calculating unit 132 is then used to traverse all the edge points found by the searching unit 121, and calculate the distance of all the edge points to the center point to determine the shortest distance.
  • the cutting module 140 centers on the center point and the origin, and uses the shortest distance determined by the calculation module 130 as a radius to determine the face part and the common model of the 3D human body scan model.
  • the cutting range of the corresponding part and cutting Specifically, in the face part of the 3D human body scanning model and the corresponding part of the common model, the determined center point and the origin are the center of the circle, and the circle formed by the shortest distance is the cutting range, and the cutting module 140 is passed through the cutting module 140.
  • the determined cutting range is cut, and finally the face portion of the 3D human body scan model and other parts of the public model other than the cut face portion are retained.
  • the cutting device of the 3D scanning model of the present invention comprises: a reading module for reading a common model and a 3D human body scanning model to be subjected to cutting processing; and an adjusting module for scanning the 3D human body
  • the processing part to be cut of the model is overlapped with the corresponding part of the common model, and the positional relationship between the two is adjusted so that the center point of the processing part to be cut coincides with the origin of the corresponding part of the common model; the calculation module is used to find the processing part to be cut.
  • the cutting module is used to center the center point and the origin, and to use the nearest point to the center point
  • the distance is a radius, and the cutting range of the portion to be cut and the corresponding portion of the common model of the 3D human body scan model is determined and cut.
  • FIG. 2 is a schematic flow chart of a cutting method of a 3D scanning model provided by the present invention. The steps of the method include:
  • the public model is a pre-designed 3D model. It is a skull model with standard faces of different countries and different races. It can be designed in different models and sizes, and all kinds of measurement data of the public model are known.
  • a storage device connected to the common model and the 3D human body scan model to be cut reads the 3D human body scan model to be cut and the common model.
  • the storage device can be any mobile storage device, and the computer or directly reads from the 3D scanning device by connecting an image display device, such as a computer, to display the 3D human body scan model and the public model on the display screen of the computer.
  • the method further includes the steps of: identifying the gender type of the 3D body scan model to be cut, and selecting the type of the public model according to the gender type of the 3D body scan model to be cut.
  • S220 The processing part to be cut of the 3D human body scanning model is overlapped with the corresponding part of the common model, and the positional relationship between the two is adjusted so that the center point of the processing part to be cut coincides with the origin of the corresponding part of the common model.
  • the portion to be cut of the 3D human body scan model is placed in line with the corresponding portion of the common model.
  • the specific operation is to align the scan model to the public model and make the two models coincide.
  • the processing portion to be cut is set as the face of the 3D human body scanning model, and the relative position of the 3D human body scanning model and the common model is adjusted by the image display software of the computer, so that the face position and the common model of the 3D human body scanning model are made.
  • the faces overlap.
  • the face position of the 3D human body scan model is adjusted by translation or rotation so that the origin position of the face of the common model coincides with the center point of the face portion of the 3D body scan model.
  • the nose tip portion of the face portion of the 3D human body scan model is selected as the center point thereof, and the common model face also has the nose tip of the face as the origin. 3D by panning and rotating The tip of the nose in the face portion of the human body scan model coincides with the origin of the face of the common model.
  • S230 Find all points on the edge of the processing part to be cut, determine the closest point to the center point by calculation, and determine the distance from the nearest point to the center point.
  • the search is performed by means of edge detection.
  • the edges include the chin and the edge of the cheek and the contact position of the forehead with the hair.
  • Find the edge points of the face part of the 3D scan model by edge detection. Iterate through all the found edge points and calculate the distance from all edge points to the center point to determine the shortest distance.
  • S240 taking the center point and the origin as the center, and taking the distance from the nearest point to the center point as a radius, determining the cutting range of the to-be-cut processing part of the 3D human body scanning model and the corresponding part of the common model, and performing cutting.
  • the center point and the origin point are taken as the center, and the determined shortest distance is the radius, and the cutting range of the face part of the 3D human body scanning model and the corresponding part of the common model is determined. And cut. Specifically, in the face part of the 3D human body scanning model and the corresponding part of the common model, the center point and the origin are determined as the center of the circle, and the circle formed by the shortest distance is the cutting range, and the determined range is determined by The cutting range is cut, and finally the face portion of the 3D human body scan model and other parts of the common model except the cut face portion are retained.
  • the cutting method of the 3D scanning model of the present invention comprises the steps of: reading a common model and a 3D human body scanning model to be cut; and processing the part to be cut and the common model of the 3D human body scanning model
  • the corresponding parts are overlapped and adjusted, and the positional relationship between the two is adjusted so that the center point of the processing part to be cut coincides with the origin of the corresponding part of the common model; all the points of the edge of the processing part to be cut are found, and the point closest to the center point is determined by calculation, Determining the distance from the nearest point to the center point; taking the center point and the origin as the center of the circle, and determining the cutting range of the part to be cut and the corresponding part of the common model of the 3D human body scanning model, with the radius from the nearest point to the center point as a radius, and Cut.
  • the interference of color on scanning cutting and compositing during scanning can be removed, and a relatively complete and smooth face model can be effectively cut out.

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Abstract

一种3D扫描模型的切割装置，包括：读取模块（110），用于读取公共模型及待进行切割处理的3D人体扫描模型；调整模块（120），用于将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置，调节二者位置关系，以使待切割处理部位的中心点与公共模型相应部位的原点重合；计算模块（130），用于查找待切割处理部位的边缘所有点，通过计算确定距离中心点最近的点，确定最近点到中心点的距离；切割模块（140），用于以中心点和原点为圆心，最近点到中心点的距离为半径，确定对3D人体扫描模型的待切割处理部位和公共模型的相应部位的切割范围，并进行切割。装置能够去除扫描过程中色彩对扫描切割及合成的干扰，有效地切割出比较完整并且平滑的人脸模型。

Description

一种3D扫描模型的切割装置和方法 技术领域
本发明涉及3D扫描领域，特别是涉及一种3D扫描模型的切割装置和方法。
背景技术
随着计算机硬件、软件技术的发展，图像图形处理能力的加强，3D模型已经被应用到了各行各业中。常规地，做一个真人3D模型，通常需要使用3D人体扫描仪生成模型，然后人工加工。然而人工加工所需的成本是很高的，做不到批量生成。现有技术通常通过扫描人脸模型，把扫描模型中的人脸部分进行切割，拼接到预先设置好的公共模型的相同位置，边缘平滑连接，合成一个完整的模型，得到最终成品。
但是3D人体扫描仪生成的模型有缺陷，比如黑色的头发等因素的干扰，会给上述拼接过程带来很大的困难。制作过程中，上述方法使用传统的切割方法无法准确去除头发的影响或者无法做到边缘平滑连接。
发明内容
本发明主要解决的技术问题是提供一种3D扫描模型的切割装置和方法，能够去除扫描过程中色彩对扫描切割及合成的干扰，有效地切割出比较完整并且平滑的人脸模型。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种3D扫描模型的切割装置，该装置包括：读取模块，用于读取公共模型及待进行切割处理的3D人体扫描模型；调整模块，用于将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置，调节二者位置关系，以使待切割处理部位的中心点与公共模型相应部位的原点重合；计算模块，用于查找待切割处理部位的边缘所有点，通过计算确定距离中心点 最近的点，确定最近点到中心点的距离；切割模块，用于以中心点和原点为圆心，以最近点到中心点的距离为半径，确定对3D人体扫描模型的待切割处理部位和公共模型的相应部位的切割范围，并进行切割。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种3D扫描模型的切割方法，该方法的步骤包括：读取公共模型及待进行切割处理的3D人体扫描模型；将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置，调节二者位置关系，以使待切割处理部位的中心点与公共模型相应部位的原点重合；查找待切割处理部位的边缘所有点，通过计算确定距离中心点最近的点，确定最近点到中心点的距离；以中心点和原点为圆心，以最近点到中心点的距离为半径，确定对3D人体扫描模型的待切割处理部位和公共模型的相应部位的切割范围，并进行切割。
区别于现有技术，本发明的3D扫描模型的切割装置，该装置包括：读取模块，用于读取公共模型及待进行切割处理的3D人体扫描模型；调整模块，用于将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置，调节二者位置关系，以使待切割处理部位的中心点与公共模型相应部位的原点重合；计算模块，用于查找待切割处理部位的边缘所有点，通过计算确定距离中心点最近的点，确定最近点到中心点的距离；切割模块，用于以中心点和原点为圆心，以最近点到中心点的距离为半径，确定对3D人体扫描模型的待切割处理部位和公共模型的相应部位的切割范围，并进行切割。通过本发明，能够去除扫描过程中色彩对扫描切割及合成的干扰，有效地切割出比较完整并且平滑的人脸模型。
附图说明
图1是本发明提供的一种3D扫描模型的切割装置的实施方式的结构示意图；
图2是本发明提供的一种3D扫描模型的切割方法的实施方式的流程示意图。
具体实施方式
下面结合具体实施方式对本发明的技术方案作进一步更详细的描述。显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
参阅图1，图1是本发明提供的一种3D扫描模型的切割装置100的结构示意图。该装置100包括：读取模块110、调整模块120、计算模块130和切割模块140。
读取模块110用于读取公共模型及待进行切割处理的3D人体扫描模型。公共模型是预先设计制作的3D模型，是拥有不同国家、不同人种的标准脸的头颅模型，可设计为不同的型号和尺寸，且公共模型的各类测量数据均为已知。读取模块110连接到公共模型及待进行切割处理的3D人体扫描模型的存储装置(图未示)，读取待切割处理的3D人体扫描模型以及公共模型。存储装置可为任意的移动存储设备，电脑或直接从3D扫描设备读取。读取模块110连接到一图像显示设备，如电脑，将3D人体扫描模型和公共模型显示于电脑的显示屏幕上。
此外，装置100还包括一识别模块150，用于识别待切割处理的3D人体扫描模型的性别类型，根据待切割处理的3D人体扫描模型的性别类型选择公共模型的类型。
调整模块120用于将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置，调节二者位置关系，以使待切割处理部位的中心点与公共模型相应部位的原点重合。调整模块120包括重合单元121和调整单元122，其中，重合单元121用于将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置。具体操作是把扫描模型对准到公共模型，让两个模型重合。在本发明中，待切割处理部位设定为3D人体扫描模型的脸部，重合单元121通过电脑的图像显示软件调整3D人体扫描模型与公共模型的相对位置，使3D人体扫描模型的脸部位 置与公共模型的脸部重合。调整单元122用于通过平移或旋转的方式对3D人体扫描模型的脸部位置进行调整，使公共模型的脸部的原点位置与该3D人体扫描模型的脸部部位的中心点重合。在本实施方式中，选取3D人体扫描模型的脸部部位中的鼻尖部位作为其中心点，且公共模型脸部同样以其脸部的鼻尖作为原点。通过平移及旋转的方式，将3D人体扫描模型的脸部部位中的鼻尖部位与公共模型脸部的原点重合。
计算模块130用于查找待切割处理部位的边缘所有点，通过计算确定距离中心点最近的点，确定最近点到所述中心点的距离。计算模块130包括查找单元131和计算单元132。查找单元131用于查找3D扫描模型的脸部部位的边缘点。具体的，通过边缘检测的方式进行查找。对于3D扫描模型的脸部部位，其边缘包括下巴与脸颊的边缘以及额头与头发的接触位置。通过边缘检测的方式查找3D扫描模型的脸部部位的边缘点。计算单元132则用于遍历查找单元121查找到的所有的边缘点，计算所有边缘点到中心点的距离以确定最短距离。
确定了所有边缘点中到中心点的最短距离后，切割模块140以中心点和原点为圆心，以计算模块130确定的最短距离为半径，确定对3D人体扫描模型的脸部部位和公共模型的相应部位的切割范围，并进行切割。具体的，是在3D人体扫描模型的脸部部位和公共模型的相应部位，以确定的中心点和原点为圆心，以最短距离为半径，所形成的圆形即为切割范围，通过切割模块140对确定的切割范围进行切割，最终保留3D人体扫描模型的脸部部位和公共模型的除切割的脸部部位以外的其他部位。
区别于现有技术，本发明的3D扫描模型的切割装置，该装置包括：读取模块，用于读取公共模型及待进行切割处理的3D人体扫描模型；调整模块，用于将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置，调节二者位置关系，以使待切割处理部位的中心点与公共模型相应部位的原点重合；计算模块，用于查找待切割处理部位的边缘所有点，通过计算确定距离中心点最近的点，确定最近点到中心点的距离；切割模块，用于以中心点和原点为圆心，以最近点到中心点的 距离为半径，确定对3D人体扫描模型的待切割处理部位和公共模型的相应部位的切割范围，并进行切割。通过本发明，能够去除扫描过程中色彩对扫描切割及合成的干扰，有效地切割出比较完整并且平滑的人脸模型。
参阅图2，图2是本发明提供的一种3D扫描模型的切割方法的流程示意图。该方法的步骤包括：
S210：读取公共模型及待进行切割处理的3D人体扫描模型。
公共模型是预先设计制作的3D模型，是拥有不同国家、不同人种的标准脸的头颅模型，可设计为不同的型号和尺寸，且公共模型的各类测量数据均为已知。连接到公共模型及待进行切割处理的3D人体扫描模型的存储装置，读取待切割处理的3D人体扫描模型以及公共模型。存储装置可为任意的移动存储设备，电脑或直接从3D扫描设备读取通过连接一图像显示设备，如电脑，将3D人体扫描模型和公共模型显示于电脑的显示屏幕上。
此外，还包括步骤：识别待切割处理的3D人体扫描模型的性别类型，根据待切割处理的3D人体扫描模型的性别类型选择公共模型的类型。
S220：将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置，调节二者位置关系，以使待切割处理部位的中心点与公共模型相应部位的原点重合。
将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置。具体操作是把扫描模型对准到公共模型，让两个模型重合。在本发明中，待切割处理部位设定为3D人体扫描模型的脸部，通过电脑的图像显示软件调整3D人体扫描模型与公共模型的相对位置，使3D人体扫描模型的脸部位置与公共模型的脸部重合。通过平移或旋转的方式对3D人体扫描模型的脸部位置进行调整，使公共模型的脸部的原点位置与该3D人体扫描模型的脸部部位的中心点重合。在本实施方式中，选取3D人体扫描模型的脸部部位中的鼻尖部位作为其中心点，且公共模型脸部同样以其脸部的鼻尖作为原点。通过平移及旋转的方式，将3D 人体扫描模型的脸部部位中的鼻尖部位与公共模型脸部的原点重合。
S230：查找待切割处理部位的边缘所有点，通过计算确定距离中心点最近的点，确定最近点到中心点的距离。
查找3D扫描模型的脸部部位的边缘点。具体的，通过边缘检测的方式进行查找。对于3D扫描模型的脸部部位，其边缘包括下巴与脸颊的边缘以及额头与头发的接触位置。通过边缘检测的方式查找3D扫描模型的脸部部位的边缘点。遍历查找到的所有的边缘点，计算所有边缘点到中心点的距离以确定最短距离。
S240：以中心点和原点为圆心，以最近点到中心点的距离为半径，确定对3D人体扫描模型的待切割处理部位和公共模型的相应部位的切割范围，并进行切割。
确定了所有边缘点中到中心点的最短距离后，以中心点和原点为圆心，以确定的最短距离为半径，确定对3D人体扫描模型的脸部部位和公共模型的相应部位的切割范围，并进行切割。具体的，是在3D人体扫描模型的脸部部位和公共模型的相应部位，以确定的中心点和原点为圆心，以最短距离为半径，所形成的圆形即为切割范围，通过对确定的切割范围进行切割，最终保留3D人体扫描模型的脸部部位和公共模型的除切割的脸部部位以外的其他部位。
区别于现有技术，本发明的3D扫描模型的切割方法，该方法的步骤包括：读取公共模型及待进行切割处理的3D人体扫描模型；将3D人体扫描模型的待切割处理部位与公共模型的相应部位重合设置，调节二者位置关系，以使待切割处理部位的中心点与公共模型相应部位的原点重合；查找待切割处理部位的边缘所有点，通过计算确定距离中心点最近的点，确定最近点到中心点的距离；以中心点和原点为圆心，以最近点到中心点的距离为半径，确定对3D人体扫描模型的待切割处理部位和公共模型的相应部位的切割范围，并进行切割。通过本发明，能够去除扫描过程中色彩对扫描切割及合成的干扰，有效地切割出比较完整并且平滑的人脸模型。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围， 凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种3D扫描模型的切割装置，其特征在于，包括：
    读取模块，用于读取公共模型及待进行切割处理的3D人体扫描模型；
    调整模块，用于将所述3D人体扫描模型的待切割处理部位与所述公共模型的相应部位重合设置，调节二者位置关系，以使所述待切割处理部位的中心点与所述公共模型相应部位的原点重合；
    计算模块，用于查找所述待切割处理部位的边缘所有点，通过计算确定距离所述中心点最近的点，确定所述最近点到所述中心点的距离；
    切割模块，用于以所述中心点和所述原点为圆心，以所述最近点到所述中心点的距离为半径，确定对所述3D人体扫描模型的待切割处理部位和所述公共模型的相应部位的切割范围，并进行切割。
  2. 根据权利要求1所述的3D扫描模型的切割装置，其特征在于，还包括识别模块，所述识别模块用于识别所述待切割处理的3D人体扫描模型的性别类型进行选择所述公共模型的性别类型。
  3. 根据权利要求1所述的3D扫描模型的切割装置，其特征在于，所述调整模块包括：
    重合单元，用于将所述3D人体扫描模型的待切割处理部位与所述公共模型的相应部位重合设置；
    调整单元，用于通过平移或旋转的方式对所述3D人体扫描模型的待切割处理部位的位置进行调整，使所述公共模型的相应部位的原点与所述3D人体扫描模型的待切割处理部位的中心点重合。
  4. 根据权利要求1所述的3D扫描模型的切割装置，其特征在于，所述计算模块包括：
    查找单元，用于查找所述待切割处理部位以及所述公共模型相应部位的边缘点；
    计算单元，用于遍历所述查找单元查找到的所有的所述边缘点，计 算所有所述边缘点到所述中心点的距离以确定最短距离。
  5. 根据权利要求1所述的3D扫描模型的切割装置，其特征在于，所述切割模块对所述3D人体扫描模型的待切割处理部位和所述公共模型的相应部位进行切割后，保留所述3D人体扫描模型的待切割处理部位和所述公共模型中与所述待切割部位相应的部位以外的部位。
  6. 一种3D扫描模型的切割方法，其特征在于，包括：
    读取公共模型及待进行切割处理的3D人体扫描模型；
    将所述3D人体扫描模型的待切割处理部位与所述公共模型的相应部位重合设置，调节二者位置关系，以使所述待切割处理部位的中心点与所述公共模型相应部位的原点重合；
    查找所述待切割处理部位的边缘所有点，通过计算确定距离所述中心点最近的点，确定所述最近点到所述中心点的距离；
    以所述中心点和所述原点为圆心，以所述最近点到所述中心点的距离为半径，确定对所述3D人体扫描模型的待切割处理部位和所述公共模型的相应部位的切割范围，并进行切割。
  7. 根据权利要求6所述的3D扫描模型的切割方法，其特征在于，还包括步骤：识别所述待切割处理的3D人体扫描模型的性别类型进行选择所述公共模型的性别类型。
  8. 根据权利要求6所述的3D扫描模型的切割方法，其特征在于，在将所述3D人体扫描模型的待切割处理部位与所述公共模型的相应部位重合设置，调节二者位置关系，以使所述待切割处理部位的中心点与所述公共模型相应部位的原点重合的步骤中，包括步骤：
    将所述3D人体扫描模型的待切割处理部位与所述公共模型的相应部位重合设置；
    通过平移或旋转的方式对所述3D人体扫描模型的待切割处理部位的位置进行调整，使所述公共模型的相应部位的原点与所述3D人体扫描模型的待切割处理部位的中心点重合。
  9. 根据权利要求6所述的3D扫描模型的切割方法，其特征在于，在查找所述待切割处理部位的边缘所有点，通过计算确定距离所述中心点 最近的点，确定所述最近点到所述中心点的距离的步骤中，包括步骤：
    查找所述待切割处理部位以及所述公共模型相应部位的边缘点；
    遍历查找到的所有的所述边缘点，计算所有所述边缘点到所述中心点的距离以确定最短距离。
  10. 根据权利要求6所述的3D扫描模型的切割方法，其特征在于，对所述3D人体扫描模型的待切割处理部位和所述公共模型的相应部位进行切割后，保留所述3D人体扫描模型的待切割处理部位和所述公共模型中与所述待切割部位相应的部位以外的部位。
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