CN117008426A - Image exposure method and device, electronic equipment and storage medium - Google Patents
Image exposure method and device, electronic equipment and storage medium Download PDFInfo
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2051—Exposure without an original mask, e.g. using a programmed deflection of a point source, by scanning, by drawing with a light beam, using an addressed light or corpuscular source
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70058—Mask illumination systems
- G03F7/702—Reflective illumination, i.e. reflective optical elements other than folding mirrors, e.g. extreme ultraviolet [EUV] illumination systems
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- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
The application discloses an image exposure method, an image exposure device, image exposure equipment and a storage medium. The method comprises the following steps: acquiring an image to be exposed, and determining the resolution of the image to be exposed; the resolution of the image to be exposed meets the condition that the number of pixels in at least one direction is smaller than or equal to the target pixel size of the digital micro-mirror device; determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed; and controlling the digital micromirror device to expose the image to be exposed on the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed. The technical scheme solves the problem of image exposure of the non-standard resolution image, can improve the film utilization rate and meet the diversified image exposure requirements of users while realizing the image exposure of the self-defined resolution.
Description
Technical Field
The present application relates to the field of exposure technologies, and in particular, to an image exposure method, an image exposure device, an electronic device, and a storage medium.
Background
Currently, the image exposure mode is to perform optical path reflection through a digital micromirror device (Digital Micromirror Device, DMD) to realize exposure. The area array of the digital micromirror device has a certain specification, and typically has standard dimensions of 640 pixels×480 pixels, 800 pixels×600 pixels, 1024 pixels×768 pixels, 1280 pixels×720 pixels, and the like. The size of the digital micromirror device determines the resolution of the image exposed by the image.
However, the image resolution is not always standard, and in a non-standard scene of the image resolution, the standard size of the digital micromirror device cannot meet the requirement of the image resolution, so that exposure of images with different resolutions is difficult to realize on a film, film waste is easily caused, and the image presentation effect is not ideal. Therefore, there is a need for an image exposure method that reduces the resolution limit of the digital micromirror device specification on the image to be exposed, and achieves adaptive exposure of the image on the film.
Disclosure of Invention
The application provides an image exposure method, an image exposure device, image exposure equipment and a storage medium, which are used for solving the problem of image exposure of a non-standard resolution image, improving the film utilization rate and meeting the diversified image exposure requirements of users while realizing image exposure with self-defined resolution.
According to an aspect of the present application, there is provided an image exposure method, the method comprising:
acquiring an image to be exposed, and determining the resolution of the image to be exposed; the resolution of the image to be exposed meets the condition that the number of pixels in at least one direction is smaller than or equal to the target pixel size of the digital micro-mirror device;
determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed;
and controlling the digital micromirror device to expose the image to be exposed on the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed.
According to another aspect of the present application, there is provided an image exposure apparatus comprising:
the resolution determining module is used for acquiring the image to be exposed and determining the resolution of the image to be exposed; the resolution of the image to be exposed meets the condition that the number of pixels in at least one direction is smaller than or equal to the target pixel size of the digital micro-mirror device;
the running distance determining module is used for determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed;
and the image exposure module is used for controlling the digital micromirror device to expose the image to be exposed to the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed.
According to another aspect of the present application, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the image exposure method according to any one of the embodiments of the present application.
According to another aspect of the present application, there is provided a computer readable storage medium storing computer instructions for causing a processor to execute an image exposure method according to any one of the embodiments of the present application.
According to the technical scheme, the resolution of the image to be exposed is determined by acquiring the image to be exposed; determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed; and controlling the digital micromirror device to expose the image to be exposed on the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed. The technical scheme solves the problem of image exposure of images with non-standard resolution, can improve the film utilization rate and meet the diversified image exposure requirements of users while realizing the image exposure with self-defined resolution.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the application or to delineate the scope of the application. Other features of the present application will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of an image exposure method according to a first embodiment of the present application;
fig. 2A is a flowchart of an image exposure method according to a second embodiment of the present application;
FIG. 2B is a schematic view of image exposure according to a second embodiment of the present application;
fig. 3 is a schematic view of an image exposure apparatus according to a third embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device implementing an image exposure method according to an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The technical scheme of the application obtains, stores, uses, processes and the like the data, which all meet the relevant regulations of national laws and regulations.
Example 1
Fig. 1 is a flowchart of an image exposure method according to an embodiment of the present application, which is applicable to an image exposure scene, especially an image exposure situation on a digital film. The method may be performed by an image exposure apparatus, which may be implemented in hardware and/or software, which may be configured in an electronic device. As shown in fig. 1, the method includes:
s110, acquiring an image to be exposed, and determining the resolution of the image to be exposed.
The scheme can be implemented by an image exposure system, which can comprise a digital micromirror device, such as a DMD chip, which is a matrix of micro-mirrors arranged on a semiconductor chip, an image carrier, a motion device, a control device, etc., each micro-mirror being capable of controlling the exposure of a pixel. The digital micro-mirror device can realize image exposure by means of the micro-mirror through the light path reflection principle, the larger the deflection angle of the micro-mirror is, the higher the image contrast is, the faster the deflection speed of the micro-mirror is, and the lower the delay of the image is. An image carrier is an object, such as a film, for presenting an image. The motion device can provide power for the motion of the image carrier and drive the image carrier to move. The control device can acquire the running states of the digital micro-mirror device, the image carrier and the motion device, and send control instructions to the digital micro-mirror device and the motion device to perform image exposure.
The image exposure system can acquire the image to be exposed through an upstream system, and can acquire the image to be exposed through reading an image resource uploaded by a user. The shape of the image to be exposed may be a regular state such as a rectangle or a circle, or may be an irregular shape. By reading the image to be exposed, the image exposure system can determine the resolution of the image to be exposed. The resolution of the image to be exposed is such that the number of pixels in at least one direction is less than or equal to the target pixel size of the digital micromirror device. It is readily understood that the matrix of micro-mirrors in a digital micromirror device has two dimensions, with the pixel size of each dimension being determined, for example 800 pixels by 600 pixels. The target pixel size may be any one of two dimensional pixel sizes of the dmd, e.g., 600 pixels. The resolution of the image to be exposed typically characterizes the number of pixels of the image to be exposed in two directions, e.g. an image to be exposed with a resolution of 640 pixels x 480 pixels characterizes an image that is 640 pixels wide and 480 pixels high. The number of pixels in at least one direction of the image to be exposed should be less than or equal to the target pixel size of the dmd to ensure that the entire image to be exposed can be exposed.
S120, determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed.
The image exposure system may determine the number of pixels of the image to be exposed in both directions according to the resolution of the image to be exposed. And comparing the number of pixels of the image to be exposed in two directions with the target pixel size of the digital micromirror device, and determining the movement distance of the image carrier according to the comparison result.
And S130, controlling the digital micromirror device to expose the image to be exposed on the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed.
The image exposure system can determine the movement direction of the image carrier according to the exposure initial position of the digital micro-mirror device, and determine the movement speed of the image carrier according to the exposure time and the movement distance of the digital micro-mirror device. After the motion distance, the motion direction and the motion speed of the image carrier are obtained, the image exposure system can drive the image carrier to move along the motion direction by the motion device at the motion speed, and in the motion process of the image carrier, the digital micromirror device is controlled to expose the image to be exposed on the image carrier. It should be noted that the image carrier may move at a constant speed during the movement process, so as to avoid the image stretching phenomenon from affecting the image exposure effect.
According to the scheme, the mechanism that the pixel points on the digital micro-mirror device are exposed on the uniform-speed moving object is controlled, so that the limitation of image exposure on the specification of the digital micro-mirror device is broken, and the exposure of images with various resolutions can be realized.
According to the technical scheme, the resolution of the image to be exposed is determined by acquiring the image to be exposed; determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed; and controlling the digital micromirror device to expose the image to be exposed on the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed. The technical scheme solves the problem of image exposure of images with non-standard resolution, can improve the film utilization rate and meet the diversified image exposure requirements of users while realizing the image exposure with self-defined resolution.
Example two
Fig. 2A is a flowchart of an image exposure method according to a second embodiment of the present application, which is based on the above embodiment. As shown in fig. 2A, the method includes:
s210, acquiring an image to be exposed, and determining the resolution of the image to be exposed.
In the scheme, the image to be exposed is a rectangular image, and the resolution ratio is smaller than or equal to the target pixel size of the digital micromirror device when the number of pixels in at least one direction exists.
S220, determining the pixel number of the image to be exposed in the first direction and the pixel number of the image to be exposed in the second direction according to the resolution of the image to be exposed.
It is understood that the first direction and the second direction may represent a width direction and a height direction of an image to be exposed, respectively. The image exposure system may determine the number of pixels in the first direction and the number of pixels in the second direction of the image to be exposed, depending on the resolution of the image to be exposed.
S230, determining the movement distance of the image carrier according to the pixel number in the first direction and the pixel number in the second direction.
The image exposure system may compare the number of pixels in the first direction with the number of pixels in the second direction and determine the movement distance of the image carrier based on the number of pixels in the direction in which the number of pixels is greater.
In one possible implementation, the determining the motion distance of the image carrier according to the number of pixels in the first direction and the number of pixels in the second direction includes:
determining a target direction according to the number of pixels in the first direction, the number of pixels in the second direction and the target pixel size of the digital micromirror device;
the movement distance of the image carrier is determined according to the number of pixels in the target direction.
The image exposure system may select one of the first direction and the second direction, which is smaller than or equal to the target pixel size of the digital micromirror device, as the target direction, with the number of pixels in the first direction, the number of pixels in the second direction, and the target pixel size of the digital micromirror device. The movement distance of the image carrier is determined according to the number of pixels in the target direction.
On the basis of the scheme, the digital micro-mirror device comprises a first pixel size and a second pixel size; the target pixel size is the smallest pixel size of the first pixel size and the second pixel size;
the determining the target direction according to the pixel number in the first direction, the pixel number in the second direction and the target pixel size of the digital micromirror device comprises:
comparing the pixel number in the first direction and the pixel number in the second direction with the target pixel size of the digital micromirror device respectively to obtain a comparison result;
and determining the target direction according to the comparison result.
The target pixel size of the dmd in this embodiment may be the smallest pixel size of the first pixel size and the second pixel size. By comparing the number of pixels in the first direction and the number of pixels in the second direction with the target pixel size of the dmd, respectively, the image exposure system can obtain the magnitude relationship between the number of pixels in the first direction and the second direction and the target pixel size. The image exposure system may select, as the target direction, a direction in which the number of pixels is less than or equal to the target pixel size, among the first direction and the second direction.
Optionally, the determining the target direction according to the comparison result includes:
if the pixel number in the first direction and the pixel number in the second direction are determined to be smaller than or equal to the target pixel size of the digital micromirror device according to the comparison result, the first direction or the second direction is taken as the target direction;
if the number of pixels in the first direction is determined to be greater than the target pixel size of the digital micromirror device according to the comparison result, and the number of pixels in the second direction is determined to be less than or equal to the target pixel size of the digital micromirror device, the second direction is taken as the target direction;
and if the number of pixels in the second direction is determined to be larger than the target pixel size of the digital micro-mirror device according to the comparison result, and the number of pixels in the first direction is determined to be smaller than or equal to the target pixel size of the digital micro-mirror device, the first direction is taken as the target direction.
The minimum pixel size in the first pixel size and the second pixel size of the digital micro-mirror device is used as the target pixel size, so that the utilization rate of the image carrier is improved while the exposure of all pixel points of the image to be exposed is ensured.
S240, controlling the digital micromirror device to expose pixel points of the image to be exposed on the image carrier row by row or column by column in the process that the image carrier moves at a uniform speed along the moving direction.
The image exposure system can drive the image carrier to move at a uniform speed along the moving direction by the moving device for a moving distance, and control the digital micro-mirror device to expose pixels of an image to be exposed on the image carrier row by row or column by column in the moving process of the image carrier. Wherein the movement speed of the image carrier may be determined based on the exposure time; the exposure time can be within the non-mirror flip time of the digital micromirror device to ensure good image exposure.
In a specific example, the digital micromirror device has a specification of 1920 pixels×1080 pixels, i.e. a matrix of micromirrors in a digital micromirror device can expose 1920 pixels in a column. Fig. 2B is a schematic view of image exposure according to a second embodiment of the present application. The image exposure system can use the digital micromirror device to expose an image having a height of less than or equal to 1920 pixels. The resolution of the image to be exposed is 1920 pixels×2160 pixels, and the direction indicated by the arrow in fig. 2B is the image carrier moving direction. As shown in fig. 2B, when the image carrier moves at a uniform speed along the moving direction, the image exposure system may control the digital micromirror device to perform exposure, that is, each time the image carrier moves by a distance of one pixel, exposure of a column of pixels may be completed. When the image carrier is moved 2160 pixels away, the image exposure is completed.
It will be appreciated that during image exposure, each pixel exposure may produce an image stretching phenomenon on the image carrier due to the DMD flipping process, and that to reduce the image stretching phenomenon, the image exposure system may control the exposure time to be exposed during non-DMD flipping, i.e., the DMD flipping reaches a steady state period to be exposed.
According to the technical scheme, the resolution of the image to be exposed is determined by acquiring the image to be exposed; determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed; and controlling the digital micromirror device to expose the image to be exposed on the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed. The technical scheme solves the problem of image exposure of images with non-standard resolution, can improve the film utilization rate and meet the diversified image exposure requirements of users while realizing the image exposure with self-defined resolution.
Example III
Fig. 3 is a schematic structural diagram of an image exposure apparatus according to a third embodiment of the present application. As shown in fig. 3, the apparatus includes:
a resolution determining module 310, configured to acquire an image to be exposed, and determine a resolution of the image to be exposed; the resolution of the image to be exposed meets the condition that the number of pixels in at least one direction is smaller than or equal to the target pixel size of the digital micro-mirror device;
a running distance determining module 320, configured to determine a running distance of the image carrier according to a resolution of the image to be exposed;
the image exposure module 330 is configured to control the digital micromirror device to expose the image to be exposed onto the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the predetermined movement speed.
In this solution, optionally, the running distance determining module 320 includes:
a pixel number determining unit for determining the pixel number of the image to be exposed in the first direction and the pixel number of the image to be exposed in the second direction according to the resolution of the image to be exposed;
and a movement distance determining unit for determining a movement distance of the image carrier based on the number of pixels in the first direction and the number of pixels in the second direction.
In one possible aspect, the movement distance determining unit includes:
a target direction determining subunit, configured to determine a target direction according to the number of pixels in the first direction, the number of pixels in the second direction, and a target pixel size of the digital micromirror device;
and the motion distance determining subunit is used for determining the motion distance of the image carrier according to the pixel number in the target direction.
On the basis of the scheme, the digital micro-mirror device comprises a first pixel size and a second pixel size; the target pixel size is the smallest pixel size of the first pixel size and the second pixel size;
the target direction determining subunit is specifically configured to:
comparing the pixel number in the first direction and the pixel number in the second direction with the target pixel size of the digital micromirror device respectively to obtain a comparison result;
and determining the target direction according to the comparison result.
In a preferred embodiment, the target direction determining subunit is specifically configured to:
if the pixel number in the first direction and the pixel number in the second direction are determined to be smaller than or equal to the target pixel size of the digital micromirror device according to the comparison result, the first direction or the second direction is taken as the target direction;
if the number of pixels in the first direction is determined to be greater than the target pixel size of the digital micromirror device according to the comparison result, and the number of pixels in the second direction is determined to be less than or equal to the target pixel size of the digital micromirror device, the second direction is taken as the target direction;
and if the number of pixels in the second direction is determined to be larger than the target pixel size of the digital micro-mirror device according to the comparison result, and the number of pixels in the first direction is determined to be smaller than or equal to the target pixel size of the digital micro-mirror device, the first direction is taken as the target direction.
In this embodiment, optionally, the image exposure module is specifically configured to:
and in the process that the image carrier moves along the moving direction at a uniform speed for a moving distance, controlling the digital micromirror device to expose pixel points of the image to be exposed on the image carrier row by row or column by column.
On the basis of the above scheme, optionally, the movement speed is determined based on exposure time; the exposure time is within the non-specular inversion time of the digital micromirror device.
The image exposure device provided by the embodiment of the application can execute the image exposure method provided by any embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method.
Example IV
Fig. 4 shows a schematic diagram of an electronic device 410 that may be used to implement an embodiment of the application. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the applications described and/or claimed herein.
As shown in fig. 4, the electronic device 410 includes at least one processor 411, and a memory, such as a Read Only Memory (ROM) 412, a Random Access Memory (RAM) 413, etc., communicatively connected to the at least one processor 411, wherein the memory stores computer programs executable by the at least one processor, and the processor 411 may perform various suitable actions and processes according to the computer programs stored in the Read Only Memory (ROM) 412 or the computer programs loaded from the storage unit 418 into the Random Access Memory (RAM) 413. In the RAM 413, various programs and data required for the operation of the electronic device 410 may also be stored. The processor 411, the ROM 412, and the RAM 413 are connected to each other through a bus 414. An input/output (I/O) interface 415 is also connected to bus 414.
Various components in the electronic device 410 are connected to the I/O interface 415, including: an input unit 416 such as a keyboard, a mouse, etc.; an output unit 417 such as various types of displays, speakers, and the like; a storage unit 418, such as a magnetic disk, optical disk, or the like; and a communication unit 419 such as a network card, modem, wireless communication transceiver, etc. The communication unit 419 allows the electronic device 410 to exchange information/data with other devices through a computer network such as the internet and/or various telecommunication networks.
The processor 411 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 411 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 411 performs the respective methods and processes described above, such as an image exposure method.
In some embodiments, the image exposure method may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as storage unit 418. In some embodiments, some or all of the computer program may be loaded and/or installed onto the electronic device 410 via the ROM 412 and/or the communication unit 419. When a computer program is loaded into RAM 413 and executed by processor 411, one or more steps of the image exposure method described above may be performed. Alternatively, in other embodiments, the processor 411 may be configured to perform the image exposure method in any other suitable manner (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present application may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable image exposure apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present application, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present application may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present application are achieved, and the present application is not limited herein.
The above embodiments do not limit the scope of the present application. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the scope of the present application.
Claims (10)
1. An image exposure method, characterized in that the method comprises:
acquiring an image to be exposed, and determining the resolution of the image to be exposed; the resolution of the image to be exposed meets the condition that the number of pixels in at least one direction is smaller than or equal to the target pixel size of the digital micro-mirror device;
determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed;
and controlling the digital micromirror device to expose the image to be exposed on the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed.
2. The method according to claim 1, wherein determining the movement distance of the image carrier according to the resolution of the image to be exposed comprises:
determining the pixel number of the image to be exposed in the first direction and the pixel number of the image to be exposed in the second direction according to the resolution of the image to be exposed;
the movement distance of the image carrier is determined on the basis of the number of pixels in the first direction and the number of pixels in the second direction.
3. A method according to claim 2, wherein determining the distance of movement of the image carrier from the number of pixels in the first direction and the number of pixels in the second direction comprises:
determining a target direction according to the number of pixels in the first direction, the number of pixels in the second direction and the target pixel size of the digital micromirror device;
the movement distance of the image carrier is determined according to the number of pixels in the target direction.
4. The method of claim 3, wherein the digital micromirror device comprises a first pixel size and a second pixel size; the target pixel size is the smallest pixel size of the first pixel size and the second pixel size;
the determining the target direction according to the pixel number in the first direction, the pixel number in the second direction and the target pixel size of the digital micromirror device comprises:
comparing the pixel number in the first direction and the pixel number in the second direction with the target pixel size of the digital micromirror device respectively to obtain a comparison result;
and determining the target direction according to the comparison result.
5. The method of claim 4, wherein determining the target direction based on the comparison result comprises:
if the pixel number in the first direction and the pixel number in the second direction are determined to be smaller than or equal to the target pixel size of the digital micromirror device according to the comparison result, the first direction or the second direction is taken as the target direction;
if the number of pixels in the first direction is determined to be greater than the target pixel size of the digital micromirror device according to the comparison result, and the number of pixels in the second direction is determined to be less than or equal to the target pixel size of the digital micromirror device, the second direction is taken as the target direction;
and if the number of pixels in the second direction is determined to be larger than the target pixel size of the digital micro-mirror device according to the comparison result, and the number of pixels in the first direction is determined to be smaller than or equal to the target pixel size of the digital micro-mirror device, the first direction is taken as the target direction.
6. The method of claim 1, wherein controlling the digital micromirror device to expose the image to be exposed onto the image carrier according to the movement distance of the image carrier, the predetermined movement direction, and the predetermined movement speed comprises:
and in the process that the image carrier moves along the moving direction at a uniform speed for a moving distance, controlling the digital micromirror device to expose pixel points of the image to be exposed on the image carrier row by row or column by column.
7. The method of claim 6, wherein the movement speed is determined based on exposure time; the exposure time is within the non-specular inversion time of the digital micromirror device.
8. An image exposure apparatus, comprising:
the resolution determining module is used for acquiring the image to be exposed and determining the resolution of the image to be exposed; the resolution of the image to be exposed meets the condition that the number of pixels in at least one direction is smaller than or equal to the target pixel size of the digital micro-mirror device;
the running distance determining module is used for determining the movement distance of the image carrier according to the resolution ratio of the image to be exposed;
and the image exposure module is used for controlling the digital micromirror device to expose the image to be exposed to the image carrier according to the movement distance of the image carrier, the predetermined movement direction and the preset movement speed.
9. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the image exposure method of any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to perform the image exposure method of any one of claims 1-7.
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| CN202310998570.3A CN117008426A (en) | 2023-08-08 | 2023-08-08 | Image exposure method and device, electronic equipment and storage medium |
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| CN202310998570.3A CN117008426A (en) | 2023-08-08 | 2023-08-08 | Image exposure method and device, electronic equipment and storage medium |
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