技术领域technical field
本发明涉及光电调制技术和胶片成像技术，尤其涉及一种基于光电调制技术的胶片成像系统。The invention relates to photoelectric modulation technology and film imaging technology, in particular to a film imaging system based on photoelectric modulation technology.
背景技术Background technique
在现有技术中，图像存储方式主要包括数字存储和胶片存储。其中，数字存储是以数字化的方式将图像信息存储在磁介质记录体上，诸如移动硬盘、光盘刻录、数码伴侣等载体，它无需感光材料也不需要在暗房中对感光材料进行化学处理，存储后的图像可立即观看，并可随意删除。胶片存储是将图像信息使用化学方法记录在感光材料上，一经曝光，成像信息基本确定且无法改变，其不需要依赖任何载体就可实现图像的高保真存储。In the prior art, image storage methods mainly include digital storage and film storage. Among them, digital storage is to digitally store image information on magnetic media recording bodies, such as mobile hard disk, CD recording, digital companion and other carriers. It does not require photosensitive materials or chemical processing of photosensitive materials in a darkroom. Storage The final image can be viewed immediately and can be deleted at will. Film storage is to use chemical methods to record image information on photosensitive materials. Once exposed, the imaging information is basically determined and cannot be changed. It can realize high-fidelity image storage without relying on any carrier.
就胶片存储而言，其相对于数字存储至少在安全性与易改性两方面占有绝对优势。这是因为，数字图像必须存储于磁介质记录载体，一些设备的故障或是计算机病毒将影响图像的安全甚至有可能使影像无法再现，而胶片曝光后形成的影像正常情况下不易损坏、丢失。此外，计算机对数字图像的修改十分容易，一方面可以通过专业软件(如Photoshop)对图像进行各种加工、合成，从而对图像的真实性产生重要影响，另一方面运用计算机对图像改变的同时也会在某种程度上改变图像的成像质量。As far as film storage is concerned, it has absolute advantages over digital storage at least in terms of security and ease of modification. This is because digital images must be stored on magnetic media recording carriers, and some equipment failures or computer viruses will affect the security of the images and may even make the images impossible to reproduce. However, the images formed after film exposure are not easily damaged or lost under normal conditions. In addition, it is very easy for computers to modify digital images. On the one hand, professional software (such as Photoshop) can be used to process and synthesize images, which has an important impact on the authenticity of images. It will also change the imaging quality of the image to some extent.
有鉴于此，如何设计一种胶片成像系统，以方便专业技术图纸或特殊用途的图片等非实物的档案管理和资料存储，确保图纸或图片的高保真存储质量，是业内相关技术人员亟待解决的一项课题。In view of this, how to design a film imaging system to facilitate non-physical file management and data storage such as professional technical drawings or special-purpose pictures, and to ensure the high-fidelity storage quality of drawings or pictures is an urgent problem for relevant technical personnel in the industry. a subject.
发明内容Contents of the invention
依据本发明的一个方面，提供了一种基于光电调制技术的胶片成像系统，包括：According to one aspect of the present invention, a film imaging system based on photoelectric modulation technology is provided, including:
平移式夹持工装台，用于夹持需要进行胶片成像的纸质图纸或图片；Translational clamping tooling table, used for clamping paper drawings or pictures that need to be filmed;
中央处理器，用于利用多组CCD对所述图纸或图片进行数据采集和图像处理，从而形成一数字图像；以及The central processing unit is used to use multiple groups of CCDs to perform data acquisition and image processing on the drawings or pictures, thereby forming a digital image; and
暗箱，包括曝光装置、光电调制装置和胶片夹持台，其中所述曝光装置包括光源和快门，所述光电调制装置包括驱动电路、光电式光路调制器以及透射式的LCD显示屏，所述胶片夹持台用于夹持胶片；The dark box includes an exposure device, a photoelectric modulation device and a film holding platform, wherein the exposure device includes a light source and a shutter, the photoelectric modulation device includes a driving circuit, a photoelectric optical path modulator and a transmissive LCD display screen, and the film The clamping table is used to clamp the film;
其中，所述驱动电路电性耦接至中央处理器，所述光电式光路调制器设置于所述光源与所述胶片夹持台之间且通过电寻址方式将所述数字图像高质量地成像在所述LCD显示屏，从而形成电子掩膜，然后由所述中央处理器打开所述快门，所述光源发出的光线通过准直扩束之后直接投影通过形成有所述电子掩膜的所述LCD显示屏，从而对胶片进行曝光，最终将所述电子掩膜对应的成像信息转换到胶片上。Wherein, the driving circuit is electrically coupled to the central processing unit, and the photoelectric optical path modulator is arranged between the light source and the film clamping platform, and the digital image is converted into high-quality images by means of electrical addressing. The image is imaged on the LCD display screen to form an electronic mask, and then the shutter is opened by the central processing unit, and the light emitted by the light source is directly projected through all the electronic masks formed with the electronic mask after being collimated and expanded. The LCD display screen is used to expose the film, and finally the imaging information corresponding to the electronic mask is transferred to the film.
在其中的一实施例，所述光电式光路调制器为光电调制栅板。In one embodiment, the photoelectric optical path modulator is a photoelectric modulation grid.
在其中的一实施例，所述中央处理器还用于对所述数字图像进行智能分割以得到多个子图像，每个子图像依次成像在所述LCD显示屏并利用所述光源和所述快门将所述子图像的图像信息转移到胶片上。In one of the embodiments, the central processing unit is further configured to intelligently segment the digital image to obtain a plurality of sub-images, each sub-image is sequentially imaged on the LCD display screen and is divided by the light source and the shutter. The image information of the sub-images is transferred to film.
在其中的一实施例，当新的子图像成像在所述LCD显示屏时，所述胶片夹持台将已曝光的胶片移开并更换新的胶片，藉由所述光源和所述快门将对应的图像信息转移至新更换的胶片上。In one of the embodiments, when a new sub-image is imaged on the LCD display screen, the film clamping station will remove the exposed film and replace it with a new film, and the light source and the shutter will The corresponding image information is transferred to the newly replaced film.
在其中的一实施例，所述胶片成像系统包括第一光电传感器，用于对所述平移式夹持工装台、所述多组CCD和所述中央处理器之间的光路进行标定。In one embodiment, the film imaging system includes a first photoelectric sensor for calibrating the optical path between the translational clamping table, the multiple sets of CCDs and the central processing unit.
在其中的一实施例，所述胶片成像系统包括第二光电传感器，用于对所述光电式光路调制器、所述LCD显示屏和所述胶片夹持台间的光路进行标定。In one of the embodiments, the film imaging system includes a second photoelectric sensor for calibrating the optical path between the photoelectric optical path modulator, the LCD display screen and the film holding table.
在其中的一实施例，所述第二光电传感器产生位置标定反馈信号，所述中央处理器接收所述位置标定反馈信号从而输出一位置控制信号。In one embodiment, the second photoelectric sensor generates a position calibration feedback signal, and the central processing unit receives the position calibration feedback signal to output a position control signal.
在其中的一实施例，所述胶片夹持台为可移动的二维工作台，用于根据来自所述中央处理器的位置控制信号，沿水平方向或竖直方向移动从而校正胶片的位置。In one embodiment, the film clamping table is a movable two-dimensional work table, which is used to move horizontally or vertically according to the position control signal from the central processing unit so as to correct the position of the film.
在其中的一实施例，所述胶片成像系统还包括一驱动电机，设置于所述平移式夹持工作台和所述中央处理器之间，用于接收所述中央处理器的驱动控制信号从而一幅一幅地平移待处理的纸质图纸或图片。In one of the embodiments, the film imaging system further includes a driving motor, which is arranged between the translational clamping table and the central processing unit, and is used to receive a driving control signal from the central processing unit so as to Pan the paper drawings or pictures to be processed one by one.
在其中的一实施例，所述胶片成像系统的胶片成像速度为200～400幅/小时。In one embodiment, the film imaging speed of the film imaging system is 200-400 frames/hour.
采用本发明的基于光电调制技术的胶片成像系统，其中央处理器利用多组CCD首先对图纸或图片进行数据采集和图像处理从而形成一数字图像，光电式光路调制器通过电寻址方式将所形成的数字图像高质量地成像在透射式的LCD显示屏，得到电子掩膜，然后由中央处理器打开快门，光源发出的光线通过准直扩束之后直接投影通过形成有电子掩膜的LCD显示屏，最终由胶片进行曝光以便将图纸或图片高保真地存储至目标胶片。由上述可知，本发明的胶片成像系统不仅可实现纸质图纸或图片的计算机存储功能，而且还可实现纸质图纸或图片藉由计算机数字图像所完成的实体胶片存储功能。此外，该系统还可配置人机交互式操作，视具体应用实现全自动操作、半自动操作或手工操作。Using the film imaging system based on photoelectric modulation technology of the present invention, its central processing unit utilizes multiple groups of CCDs to firstly carry out data acquisition and image processing on drawings or pictures so as to form a digital image, and the photoelectric optical path modulator converts the digital image by means of electrical addressing. The formed digital image is imaged on the transmissive LCD display screen with high quality, and the electronic mask is obtained, and then the shutter is opened by the central processing unit, and the light emitted by the light source is directly projected through the LCD display formed with the electronic mask after being collimated and expanded. screen, and finally exposed by the film in order to store the drawings or pictures on the target film with high fidelity. It can be seen from the above that the film imaging system of the present invention can not only realize the computer storage function of paper drawings or pictures, but also realize the physical film storage function of paper drawings or pictures through computer digital images. In addition, the system can also be configured with man-machine interactive operation, depending on the specific application to achieve fully automatic operation, semi-automatic operation or manual operation.
附图说明Description of drawings
读者在参照附图阅读了本发明的具体实施方式以后，将会更清楚地了解本发明的各个方面。其中：Readers will have a clearer understanding of various aspects of the present invention after reading the detailed description of the present invention with reference to the accompanying drawings. in:
图1示出依据本发明的一实施方式，基于光电调制技术的胶片成像系统的结构示意图。FIG. 1 shows a schematic structural diagram of a film imaging system based on photoelectric modulation technology according to an embodiment of the present invention.
具体实施方式detailed description
为了使本申请所揭示的技术内容更加详尽与完备，可参照附图以及本发明的下述各种具体实施例，附图中相同的标记代表相同或相似的组件。然而，本领域的普通技术人员应当理解，下文中所提供的实施例并非用来限制本发明所涵盖的范围。此外，附图仅仅用于示意性地加以说明，并未依照其原尺寸进行绘制。In order to make the technical content disclosed in this application more detailed and complete, reference may be made to the drawings and the following various specific embodiments of the present invention, and the same symbols in the drawings represent the same or similar components. However, those skilled in the art should understand that the examples provided below are not intended to limit the scope of the present invention. In addition, the drawings are only for schematic illustration and are not drawn according to their original scale.
下面参照附图，对本发明各个方面的具体实施方式作进一步的详细描述。The specific implementation manners of various aspects of the present invention will be further described in detail below with reference to the accompanying drawings.
图1示出依据本发明的一实施方式，基于光电调制技术的胶片成像系统的结构示意图。本发明的胶片成像系统首先将需要进行胶片成像的实体图纸或图片等资料，通过使用高分辨率的多组CCD进行计算机图像采集及图像处理，生成计算机数字图像。所形成的数字图像可存储为多种图片格式，诸如jpg、gif、png、bmp等格式。之后，再搭建光路系统实现计算机数字图像向实体胶片介质的转存功能，其采用基于光电调制方式的光电调制栅板直接放置在曝光光源与胶片之间，通过对光路的调制从而将图像信息曝光在胶片介质上，进而实现数字图像的高保真转存。FIG. 1 shows a schematic structural diagram of a film imaging system based on photoelectric modulation technology according to an embodiment of the present invention. The film imaging system of the present invention first generates computer digital images by using high-resolution multi-group CCDs for computer image acquisition and image processing of materials such as physical drawings or pictures that need to be filmed. The formed digital image can be stored in various picture formats, such as jpg, gif, png, bmp and other formats. After that, the optical path system is built to realize the transfer function of the computer digital image to the physical film medium. The photoelectric modulation grid based on the photoelectric modulation method is directly placed between the exposure light source and the film, and the image information is exposed through the modulation of the optical path. On the film medium, high-fidelity transfer of digital images can be realized.
参照图1，在该实施方式中，该胶片成像系统包括平移式夹持工装台、中央处理器(CentralProcessorUnit，CPU)和暗箱。暗箱主要用于实现胶片介质的曝光，其原理与传统照相机的曝光机理相似。图中的实线表示计算机控制驱动，如打开光源、控制快门开关、驱动电机来控制平移式夹持工装台、驱动电机来控制胶片夹持台。虚线表示数据采集和通信。在图1中，暗箱包括曝光装置、光电调制装置和胶片夹持台，其中，曝光装置包括光源和快门；光电调制装置包括驱动电路、光电式光路调制器以及透射式的LCD显示屏；胶片夹持台用于夹持胶片并沿水平方向或竖直方向移动胶片。Referring to FIG. 1 , in this embodiment, the film imaging system includes a translation clamping tool table, a central processing unit (Central Processor Unit, CPU) and a camera obscura. The camera obscura is mainly used to realize the exposure of the film medium, and its principle is similar to that of a traditional camera. The solid line in the figure represents the computer-controlled drive, such as turning on the light source, controlling the shutter switch, driving the motor to control the translation clamping tooling table, and driving the motor to control the film clamping table. Dashed lines indicate data acquisition and communication. In Fig. 1, the dark box includes an exposure device, a photoelectric modulation device and a film holding platform, wherein the exposure device includes a light source and a shutter; the photoelectric modulation device includes a driving circuit, a photoelectric optical path modulator and a transmissive LCD display; the film holder The stage is used to hold the film and move the film horizontally or vertically.
详细而言，平移式夹持工装台用于夹持需要进行胶片成像的纸质图纸或图片。较佳地，该胶片成像系统包括光电传感器1，用于对平移式夹持工装台、多组CCD和中央处理器之间的光路进行标定。此外，该胶片成像系统还包括一驱动电机，设置于平移式夹持工作台和中央处理器之间，用于接收该中央处理器的驱动控制信号从而一幅一幅地平移待处理的纸质图纸或图片。例如，该系统根据图纸、图片保存及实际工作的需要，可在预定时间内实现多幅图纸的胶片存储操作，满足200～400幅/小时，图纸、图片的尺寸可视系统参数而定。In detail, the translational clamping tooling table is used for clamping paper drawings or pictures that need to be imaged on film. Preferably, the film imaging system includes a photoelectric sensor 1 for calibrating the optical path between the translational clamping table, multiple groups of CCDs and the central processing unit. In addition, the film imaging system also includes a driving motor, which is arranged between the translation clamping workbench and the central processing unit, and is used to receive the driving control signal of the central processing unit so as to translate the paper to be processed one by one. drawings or pictures. For example, according to the needs of drawing and picture storage and actual work, the system can realize the film storage operation of multiple drawings within a predetermined time, meeting 200-400 pictures per hour, and the size of drawings and pictures can be determined according to system parameters.
中央处理器用于利用多组CCD对图纸或图片进行数据采集和图像处理，从而形成一数字图像。较佳地，该中央处理器还用于对数字图像进行智能分割以得到多个子图像，每个子图像依次成像在LCD显示屏，并利用光源和快门将子图像的图像信息转移到胶片上。之后，当新的一个子图像成像在LCD显示屏时，胶片夹持台将已曝光的胶片移开并更换新的胶片，计算机再次打开快门，藉由光源和快门对新的胶片曝光，从而将对应的图像信息转移至新更换的胶片上。如此一来，每个子图像上的图像信息都可以快速地依次转移到多张胶片介质上进行实体存储。The central processing unit is used to use multiple groups of CCDs to collect data and process images on drawings or pictures, thereby forming a digital image. Preferably, the central processing unit is also used to intelligently segment the digital image to obtain multiple sub-images, each sub-image is sequentially imaged on the LCD display screen, and the image information of the sub-images is transferred to the film by using the light source and the shutter. Afterwards, when a new sub-image is imaged on the LCD screen, the film holder moves the exposed film away and replaces it with a new one, and the computer opens the shutter again, exposing the new film through the light source and the shutter, thereby exposing the The corresponding image information is transferred to the newly replaced film. In this way, the image information on each sub-image can be quickly and sequentially transferred to multiple film media for physical storage.
曝光装置包括光源和快门。中央处理器可根据图纸或图片的成像精度来匹配光源出射的光能量。驱动电路电性耦接至中央处理器。光电式光路调制器设置在曝光装置与胶片夹持台之间，且通过电寻址方式将数字图像高质量地成像在LCD显示屏，从而形成电子掩膜。例如，光电式光路调制器可为光电调制栅板。在此，LCD显示屏的电响应速度极快，其显示图像质量接近甚至超过CRT(CathodeRayTube，阴极射线管)图像质量，其分辨率可达到41线/mm。，然后，由中央处理器打开快门，光源发出的光线通过准直扩束之后直接投影通过形成有电子掩膜的LCD显示屏，从而对胶片进行曝光，最终将电子掩膜对应的成像信息转换到胶片上。The exposure device includes a light source and a shutter. The central processing unit can match the light energy emitted by the light source according to the imaging accuracy of the drawing or picture. The driving circuit is electrically coupled to the CPU. The photoelectric optical path modulator is arranged between the exposure device and the film clamping platform, and the digital image is imaged on the LCD display screen with high quality by means of electrical addressing, thereby forming an electronic mask. For example, the photoelectric optical path modulator can be a photoelectric modulation grid. Here, the electrical response speed of the LCD display is extremely fast, and its display image quality is close to or even exceeds that of a CRT (Cathode Ray Tube, cathode ray tube), and its resolution can reach 41 lines/mm. , and then, the central processing unit opens the shutter, and the light emitted by the light source is directly projected through the LCD display screen formed with an electronic mask after being collimated and expanded, thereby exposing the film, and finally converting the imaging information corresponding to the electronic mask to on film.
在一具体实施例，该胶片成像系统还包括光电传感器2，用于对光电式光路调制器、LCD显示屏和胶片夹持台间的光路进行标定。举例来说，光电传感器2与中央处理器进行信号传输，光电传感器2产生位置标定反馈信号，中央处理器接收该位置标定反馈信号并据此输出一位置控制信号进行标定。进一步，胶片夹持台为可移动的二维工作台，其根据来自中央处理器的位置控制信号，沿水平方向或竖直方向移动从而校正胶片的位置，因此胶片夹持台也可称为“二维控制台”。In a specific embodiment, the film imaging system further includes a photoelectric sensor 2 for calibrating the optical path between the photoelectric optical path modulator, the LCD display screen and the film holding platform. For example, the photoelectric sensor 2 performs signal transmission with the central processing unit, the photoelectric sensor 2 generates a position calibration feedback signal, and the central processing unit receives the position calibration feedback signal and outputs a position control signal accordingly for calibration. Furthermore, the film holding table is a movable two-dimensional workbench, which moves horizontally or vertically to correct the position of the film according to the position control signal from the central processing unit, so the film holding table can also be called " 2D Console".
采用本发明的基于光电调制技术的胶片成像系统，其中央处理器利用多组CCD首先对图纸或图片进行数据采集和图像处理从而形成一数字图像，光电式光路调制器通过电寻址方式将所形成的数字图像高质量地成像在透射式的LCD显示屏，得到电子掩膜，然后由中央处理器打开快门，光源发出的光线通过准直扩束之后直接投影通过形成有电子掩膜的LCD显示屏，最终由胶片进行曝光以便将图纸或图片高保真地存储至目标胶片。由上述可知，本发明的胶片成像系统不仅可实现纸质图纸或图片的计算机存储功能，而且还可实现纸质图纸或图片藉由计算机数字图像所完成的实体胶片存储功能。此外，该系统还可配置人机交互式操作，视具体应用实现全自动操作、半自动操作或手工操作。Using the film imaging system based on photoelectric modulation technology of the present invention, its central processing unit utilizes multiple groups of CCDs to firstly carry out data acquisition and image processing on drawings or pictures so as to form a digital image, and the photoelectric optical path modulator converts the digital image by means of electrical addressing. The formed digital image is imaged on the transmissive LCD display screen with high quality, and the electronic mask is obtained, and then the shutter is opened by the central processing unit, and the light emitted by the light source is directly projected through the LCD display formed with the electronic mask after being collimated and expanded. screen, and finally exposed by the film in order to store the drawings or pictures on the target film with high fidelity. It can be seen from the above that the film imaging system of the present invention can not only realize the computer storage function of paper drawings or pictures, but also realize the physical film storage function of paper drawings or pictures through computer digital images. In addition, the system can also be configured with man-machine interactive operation, depending on the specific application to achieve fully automatic operation, semi-automatic operation or manual operation.
上文中，参照附图描述了本发明的具体实施方式。但是，本领域中的普通技术人员能够理解，在不偏离本发明的精神和范围的情况下，还可以对本发明的具体实施方式作各种变更和替换。这些变更和替换都落在本发明权利要求书所限定的范围内。Hereinbefore, specific embodiments of the present invention have been described with reference to the accompanying drawings. However, those skilled in the art can understand that without departing from the spirit and scope of the present invention, various changes and substitutions can be made to the specific embodiments of the present invention. These changes and substitutions all fall within the scope defined by the claims of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776345.0ACN105242488A (en) | 2015-11-11 | 2015-11-11 | Film imaging system based on photoelectric modulation technology |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776345.0ACN105242488A (en) | 2015-11-11 | 2015-11-11 | Film imaging system based on photoelectric modulation technology |
| Publication Number | Publication Date |
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| CN105242488Atrue CN105242488A (en) | 2016-01-13 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510776345.0APendingCN105242488A (en) | 2015-11-11 | 2015-11-11 | Film imaging system based on photoelectric modulation technology |
| Country | Link |
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| CN (1) | CN105242488A (en) |
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