阅读说明：本技术 一种用于图像三维信息采集的数字光源系统 (Digital light source system for image three-dimensional information acquisition ) 是由 武兵 田全慧 于 2021-01-13 设计创作，主要内容包括：本发明公开了一种用于图像三维信息采集的数字光源系统,其技术方案要点是：包括遮光装置,用于确保照明光线按照特定的角度聚集并照射到图像上,防止光线发散；多个LED数控光源阵列,所述LED数控光源阵列分别设置在遮光装置的左右两侧,用于提供多个角度的光照；结构化光栅装置,遮光装置的底部设置有结构化光栅装置,所述结构化光栅装置采用插入式结构与遮光装置连接,用于限定入射光到照明物之间的光线角度,同时避免漫射光线对物体的二次照射,保持采集信号的清晰；本发明解决了图像三维扫描时物品表面纹理与质感的呈现问题,获取的图像三维信息质量较高。(The invention discloses a digital light source system for image three-dimensional information acquisition, which has the technical scheme key points that: the device comprises a shading device, a light source and a light source, wherein the shading device is used for ensuring that illumination light is gathered according to a specific angle and irradiates an image, and preventing the light from diverging; the LED numerical control light source arrays are respectively arranged on the left side and the right side of the shading device and used for providing illumination at multiple angles; the bottom of the shading device is provided with the structured grating device, and the structured grating device is connected with the shading device by adopting an inserted structure and is used for limiting the light angle between incident light and an illuminating object, avoiding secondary irradiation of diffused light to the object and keeping the acquired signal clear; the invention solves the problem of the appearance of the surface texture and the texture of the article during the three-dimensional scanning of the image, and the quality of the obtained three-dimensional information of the image is higher.)

1. A digital light source system for collecting three-dimensional image information comprises

A shading device (1), a shading device (1) with a customized angle modeling structure,

at least two LED numerical control light source arrays (2) are arranged in the shading device (1);

the bottom of the shading device (1) is provided with a structured grating device (3), and the structured grating device (3) is connected with the shading device (1) by adopting an insertion structure.

2. The digital light source system for image three-dimensional information acquisition according to claim 1, wherein the shading device (1) further comprises:

the heat radiation fan (11) is arranged on the outer side wall of the shading device (1);

the structured grating device mounting groove (12) is arranged on the lower surface of the shading device (1);

and the light transmission groove (13) is arranged at the top of the shading device (1).

3. The digital light source system for image three-dimensional information acquisition according to claim 1, wherein the digitally controlled light source array (2) comprises:

a lighting unit provided on the shade device (1) via a fixing member (22);

fixing parts (22) which are uniformly and horizontally arranged on the shading device (1) and are used for fixing the lighting unit on the shading device (1);

and the integrated chip (23) is electrically connected with the lighting unit and is used for controlling the illumination intensity of the lighting unit.

4. The digital light source system for acquisition of three-dimensional information of images according to claim 1, characterized in that said structured grating device (3) comprises:

the outer frame (31), the outer frame (31) is slidably arranged in the mounting groove (12) of the structured grating device;

the grating sheet (32) is obliquely arranged inside the outer frame (31) and forms a certain included angle with the outer frame (31).

5. The digital light source system for three-dimensional image information collection according to claim 4, wherein the top edge of the outer frame (31) is provided with a mounting slide (33), the outer frame (31) is slidably connected with the mounting groove (12) of the structured grating device through the mounting slide (33), and the outer frame (31) can be mounted from the front or from the rear for increasing the front light or enhancing the rear light.

6. The digital light source system for image three-dimensional information acquisition according to claim 4, characterized in that the grating sheet (32) comprises;

a grating sheet unit (321), the grating sheet unit (321) comprising a light reflecting surface and a light absorbing surface;

the grating sheet fixing edges (322) are vertically arranged at two sides of the grating sheet unit (321);

the grating sheet fixing piece (323) penetrates through the grating sheet fixing edge (322) to fix the grating sheet unit (321) on the outer frame (31).

7. The digital light source system for three-dimensional image information acquisition according to claim 4, wherein the outer frame (31) is a rectangular frame structure, and an accommodating space for accommodating the grating sheet (32) is arranged inside the outer frame (31).

8. The digital light source system for three-dimensional image information acquisition according to claim 6, wherein the light reflecting surface is a high light reflecting mirror surface, and the light absorbing surface is a black coating.

9. The digital light source system for three-dimensional information acquisition of images as claimed in claim 3, wherein the lighting unit is composed of a plurality of LED lamp bead (21) arrays.

10. The digital light source system for three-dimensional information acquisition of images according to claim 1, wherein the light shielding device (1) is a polygon with a customized angle modeling structure.

Technical Field

The invention relates to the technical field of digital light sources, in particular to a digital light source system for acquiring three-dimensional image information.

Background

With the development of times, the requirements of acquiring three-dimensional information of images with abundant three-dimensional texture information, such as oil paintings, decorative wooden floors, furniture, textiles and the like, are more and more emphasized.

The existing image three-dimensional information acquisition system lacks a digital light source matched with the existing image three-dimensional information acquisition system, the acquired image three-dimensional information has the problems of poor texture and texture, low definition, incapability of removing surface reflection during image three-dimensional scanning and the like, and the quality of the acquired image information is poor. Therefore, there is a need to improve the structure and provide a digital light source system for three-dimensional image information acquisition to overcome the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide a digital light source system for acquiring three-dimensional image information, aiming at overcoming the defects in the prior art and solving the problems in the prior art.

The technical purpose of the invention is realized by the following technical scheme:

a digital light source system for image three-dimensional information acquisition comprises a shading device and a shading device with a customized angle modeling structure, wherein at least two LED numerical control light source arrays are arranged in the shading device; the bottom of the shading device is provided with a structured grating device which is connected with the shading device by adopting an insertion structure.

The invention is further provided with: the shade device further includes: the heat radiation fan is arranged on the outer side wall of the shading device; the structural grating device mounting groove is arranged on the lower surface of the shading device; and the light transmission groove is arranged at the top of the shading device.

The invention is further provided with: the numerical control light source array comprises: a lighting unit disposed on the light shielding device through a fixing member; the fixing parts are uniformly and horizontally arranged on the shading device and are used for fixing the lighting unit on the shading device; and the integrated chip is electrically connected with the lighting unit and is used for controlling the illumination intensity of the lighting unit.

The invention is further provided with: the numerical control light source array comprises a lighting unit and an integrated chip, wherein the lighting unit and the integrated chip are formed by arranging a plurality of LED lamp beads, the lighting unit is electrically connected with the integrated chip, and the lighting unit and the integrated chip are fixedly arranged on the shading device through a fixing part.

The invention is further provided with: the structured grating device comprises: the outer frame is arranged in the mounting groove of the structured grating device in a sliding manner; and the grating sheet is obliquely arranged inside the outer frame and forms a certain included angle with the outer frame.

The invention is further provided with: the frame can be installed from the front and also from the rear for increasing the front light or enhancing the rear light.

The invention is further provided with: the grating sheet comprises; the grating sheet unit comprises a light reflecting surface and a light absorbing surface; the grating sheet fixing edges are vertically arranged on two sides of the grating sheet unit; and the grating sheet fixing part penetrates through the grating sheet fixing edge to fix the grating sheet unit on the outer frame.

The invention is further provided with: the frame is cuboid frame construction, and the inside of frame is provided with the accommodation space that is used for holding the grating piece.

The invention is further provided with: the light reflecting surface adopts a high light reflecting mirror surface, and the light absorbing surface adopts a black coating.

The invention is further provided with: the lighting unit is composed of a plurality of LED lamp beads,

the invention is further provided with: the shading device is a polygon body with a customized angle modeling structure.

In conclusion, the invention has the following beneficial effects:

the digital light source system for image three-dimensional information acquisition comprises a shading device with a customized angle modeling structure, a plurality of LED numerical control light source arrays and a structured light grating device, wherein the shading device is used for ensuring that illumination light rays are gathered according to a specific angle and irradiate on an image to prevent the light rays from diverging; the problem of the article surface reflection of light when having solved image three-dimensional scanning, the image information quality of acquireing is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is a schematic view of a partial structure of the light shielding device of the present invention.

Fig. 4 is a schematic structural diagram of an array of LED light sources according to the present invention.

Fig. 5 is a schematic external view of the structured grating device according to the present invention.

Fig. 6 is a schematic diagram of the structure of a structured grating device according to the present invention.

Fig. 7 is a schematic diagram of an optical path for acquiring information by an image scanning system.

Fig. 8 is a schematic diagram of the optical path for acquiring an image according to the present invention.

Reference numerals: 1. shading device 2, LED numerical control light source array 3, structured grating device 11, cooling fan 12, structured grating device mounting groove 13, light transmission groove 21, LED lamp bead 22, fixing part 23, integrated chip 31, outer frame 32, grating sheet 33, mounting sliding sheet 321, grating sheet unit 322, grating sheet fixing edge 323 and grating sheet fixing piece

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", horizontal ", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections and may include electrical connections, whether direct or indirect.

The existing image three-dimensional information acquisition system lacks a digital light source system matched with the image three-dimensional information acquisition system, the problem of surface reflection exists during image three-dimensional scanning, and the quality of the acquired image information is poor.

To this end, the present invention provides a digital light source system for image three-dimensional information acquisition, which can be generally applied to the illumination light source part of image scanning systems on the market, as shown in fig. 1, the digital light source system for image three-dimensional information acquisition of the present invention comprises a light shielding device 1, a light shielding device 1 with a customized angle modeling structure, at least two LED numerical control light source arrays 2 arranged inside the light shielding device; the bottom of the shading device 1 is provided with a structured grating device 3, and the structured grating device 3 is connected with the shading device 1 by adopting an insertion structure.

As shown in fig. 1 to 2, the shading device 1 is located at the uppermost part of the structure of the present invention to ensure that the illumination light is focused and irradiated onto the image at a specific angle, and prevent the light from diverging;

the LED numerical control light source arrays 2 are respectively arranged at the left side and the right side of the shading device 1 and used for providing illumination at a plurality of angles;

the structured grating device 3 is detachably arranged on the lower surface of the shading device 1 and is used for limiting the light angle between incident light and an illuminating object, avoiding secondary irradiation of diffused light to the object and keeping the acquired signal clear.

As shown in fig. 3, the shade apparatus further includes: a heat radiation fan 11 disposed on an outer sidewall of the shade device 1; a structured grating device mounting groove 12 arranged on the lower surface of the shading device; and the light transmission groove 13 is arranged at the top of the shading device. When the LED numerical control light source array 2 continuously works, a higher temperature can be generated, in order to ensure the working performance and the working state of the LED numerical control light source array 2, the shading device 1 is provided with the cooling fan 11, and the cooling fan 11 is started while the LED numerical control light source array 2 works, so that the LED numerical control light source array 2 is subjected to heat dissipation treatment.

The light transmission groove 13 is a hollow groove with a specific width, and is used for allowing light irradiated on the surface of an image object to pass through after being reflected when image information is acquired, and the reflected light enters the digital imaging device positioned at the top of the acquisition equipment through the light transmission groove 13.

In this embodiment, two grating mounting grooves 12 are provided, the grating mounting grooves 12 are symmetrically arranged on the lower surface of the light shielding device 1, and the structured grating device 3 is slidably arranged in the grating mounting grooves 12.

As shown in fig. 4, the digitally controlled light source array includes: the lighting unit is composed of a plurality of LED lamp beads 21 which are arranged and arranged on the shading device 1 through a fixing part 22; fixing members 22, which are uniformly and horizontally arranged on the shade device 1, for fixing the lighting unit to the shade device 1; the integrated chip 23 is electrically connected with the lighting unit and used for controlling the illumination intensity of the lighting unit;

numerical control light source array 2 is digital light source system's luminous component, and lighting unit is arranged by a plurality of LED lamp pearls 21 and constitutes, lighting unit and integrated chip 23 electric connection, the lighting unit quantity of numerical control light source array 2 can be adjusted according to the design demand that digital light source system and outside set up, fixed part 22 is used for fixing each lighting unit on shade 1, and a plurality of fixed part 22 of the even horizontal arrangement of a lighting unit for the level and smooth and firm of lighting unit and shade 1 installation, integrated chip 23 is used for receiving the radiant intensity of outside instruction control LED lamp pearl 21.

As shown in fig. 5 to 6, the structured grating device comprises: the outer frame is arranged in the mounting groove of the structured grating device in a sliding manner, and the outer frame 31 is of a rectangular frame structure and is used as a support of the structured grating device 3; and the grating sheet 32 is obliquely arranged inside the outer frame 31, and forms a certain included angle with the outer frame 31.

The top edge of frame 31 is provided with installation gleitbretter 33, installation gleitbretter 33 suits with grating mounting groove 12, and structured grating device 3 sets up in grating mounting groove 12 through installation gleitbretter 33, and during installation and dismantlement, will install gleitbretter 33 and aim at grating mounting groove 12, slides in and the whole grating mounting groove 12 of roll-off, and frame 31 can be from the front portion installation, also can follow the rear portion installation for increase anterior light or reinforcing rear portion light.

The grating sheet 32 includes; a grating sheet unit 321, the grating sheet unit 321 including a light reflecting surface and a light absorbing surface; a grating sheet fixing edge 322, which is vertically arranged at two sides of the grating sheet unit; the grating sheet fixing part 323 penetrates the grating sheet fixing edge 322 to fix the grating sheet unit 321 on the outer frame 31.

As shown in fig. 5 to 6, the outer frame 31 is a rectangular parallelepiped frame structure, and an accommodating space for accommodating the grating sheet 32 is provided inside the outer frame 31.

The light reflection surface adopts a high light reflection mirror surface and is used for reflecting incident light and increasing directional light, and the light absorption surface is provided with a black coating and is used for absorbing diffused light and eliminating scattered stray light.

The lighting unit is arranged by a plurality of LED lamp pearls 21 and constitutes, the quantity of LED lamp pearl 21 can be adjusted according to actual demand.

As shown in fig. 1 to 2, the light shielding device is a polygon body with a customized angle modeling structure.

The embodiment of the invention is different from the traditional illumination light source for image acquisition. As shown in FIG. 7, the illumination light source of the conventional image capturing digital light source system is located at the top of the capturing device, and when the illumination light path is operated, the image is vertically irradiated by the top, and diffuse light is formed on the surface of the image. Because the collecting imaging device is positioned at the upper part of the image, the recorded image information is only vertically reflected to enter the imaging device, and the texture effect of the image cannot be shown.

The embodiment of the invention is characterized in that incident light illumination with different angles is formed on the surface of an acquired image, projections with different ranges are formed by the irradiation of the incident light with different angles, and the three-dimensional effect of texture of the surface of the image is fully expressed, so that the acquired imaging device records all information of the image and the information of the projection of the surface of the image to form three-dimensional texture image information.

As shown in fig. 8, the digital light source system forms incident light forming a certain angle with the left and right sides of the image surface by the LED numerical control light source array 2 arranged at a specific angle, the incident light irradiates the image surface to form diffusion, the diffused light is reflected by the mirror surface grating sheet 32 forming a fixed angle with the scanning plane, and then the light forms illumination on the image surface again, and the illumination light forms an illumination effect forming a certain angle with the front of the image plane.

In the embodiment of the present invention, the illumination light paths from different directions generate projection on the image surface due to the stereoscopic unevenness on the image surface. The projection and other information of the image surface are recorded by the acquisition imaging system, so that three-dimensional information of texture and texture of the image surface is formed.

The working principle of the invention is as follows:

the invention can be used as an illumination light source part of an image scanning system, the shading device 1 is a polygon body with a customized angle modeling structure, is positioned at the uppermost part of the whole structure of the invention and is used for ensuring that illumination light is gathered and irradiated on an image according to a specific angle and preventing the light from diverging, the invention is provided with a plurality of LED numerical control light source arrays 2, the LED numerical control light source arrays 2 are respectively arranged at the left side and the right side of the shading device 1 and are used for providing illumination of a plurality of angles, the structured grating device 3 is connected with the shading device 1 by adopting an inserted structure and is used for limiting the light angle between the incident light and an illuminating object and simultaneously avoiding secondary irradiation of diffused light to the object and keeping the definition of an acquired signal, when in use, illumination light paths from different angles can generate projection due to the concave-convex stereo of the image surface, and other information of the projection and the image surface can be recorded by an acquisition imaging system, the problem of surface reflection during image three-dimensional scanning can be avoided during the three-dimensional information of the collected image, and the quality of the obtained image information is high.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.