Adfix recognition method and device, storage medium and equipment

Abstract

The invention relates to an affix recognition method and device, a storage medium and equipment, and the method comprises the steps: obtaining target text information in response to a recognition instruction for a target text of a display interface, displaying an affix on the display interface when the target text information comprises the affix, and carrying out the recognition of the affix according to an analysis instruction for the affix. The analysis content of the affix is obtained and displayed on the display interface, a teacher does not need to manually identify the affix in the target text information and input the analysis content of the affix, the blackboard writing time of the teacher can be saved, and the classroom teaching quality of the teacher is improved.

Description

Technical Field

[0001] The present invention relates to the field of word recognition, and in particular to an affix recognition method, device, storage medium and equipment. Background Art

[0002] Affixes are morphemes that cannot form words by themselves and can only be attached to roots to form new words. Affixes can include prefixes, infixes, and suffixes. Prefixes are affixes attached to the front of the root, infixes are affixes inserted in the middle of the root, and suffixes are affixes attached to the back of the root.

[0003] When teachers need to explain the affixes of words during class, they usually need to manually mark the affixes in the words and input the analysis content of the affixes. This process is time-consuming and affects the teaching quality of the class. Summary of the invention

[0004] The embodiments of the present application provide an affix recognition method, apparatus, storage medium and device, which can automatically identify affixes in a target text and display the parsed content of the affixes, thereby assisting teachers in teaching affixes and improving teaching quality.

[0005] In a first aspect, an embodiment of the present application provides a method for identifying an affix, the method comprising the following steps:

[0006] In response to a recognition instruction for a target text on a display interface, acquiring target text information;

[0007] If the target text information includes an affix, displaying the affix on the display interface;

[0008] In response to the parsing instruction for the affix, the parsed content of the affix is ​​obtained, and the parsed content is displayed on the display interface.

[0009] In a second aspect, an embodiment of the present application provides an affix recognition device, the device comprising:

[0010] A target text information acquisition module, used to acquire target text information in response to a recognition instruction for a target text on a display interface;

[0011] an affix display module, configured to display the affix on the display interface if the target text information includes the affix;

[0012] The parsing content display module is used to obtain the parsing content of the affix in response to the parsing instruction of the affix, and display the parsing content on the display interface.

[0013] In a third aspect, an embodiment of the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the affix recognition method as described in any one of the above.

[0014] In a fourth aspect, an embodiment of the present application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable by the processor;

[0015] When the processor executes the computer program, the steps of the affix recognition method as described in any one of the above are implemented.

[0016] In an embodiment of the present application, by responding to a recognition instruction of a target text on a display interface, target text information is obtained; when the target text information includes an affix, the affix is ​​displayed on the display interface; and according to a parsing instruction for the affix, the parsed content of the affix is ​​obtained and displayed on the display interface. There is no need for the teacher to manually identify the affix and input the parsed content of the affix, which can save the teacher's blackboard writing time and improve the quality of the teacher's classroom teaching.

[0017] For better understanding and implementation, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A flowchart of an affix recognition method in one embodiment of the present invention;

[0019] Figure 2 A schematic diagram of a display interface in one embodiment of the present invention;

[0020] Figure 3 A flowchart of an affix recognition method according to another embodiment of the present invention;

[0021] Figure 4 is a flow chart of step S220 in one embodiment of the present invention;

[0022] Figure 5 A schematic diagram of a display interface in another embodiment of the present invention;

[0023] Figure 6 is a flowchart of step S110 in one embodiment of the present invention;

[0024] Figure 7 A flowchart of an affix recognition method according to another embodiment of the present invention;

[0025] Figure 8 A schematic diagram of a display interface in another embodiment of the present invention;

[0026] Fig. 9 A schematic diagram of a display interface in another embodiment of the present invention;

[0027] Fig.10 A flowchart of an affix recognition method according to another embodiment of the present invention;

[0028] Fig.11 A schematic diagram of a display interface in another embodiment of the present invention;

[0029] Fig.12 It is a structural schematic diagram of an affix recognition device in one embodiment of the present invention;

[0030] Fig.13 The figure is a schematic diagram of the structure of an electronic device in one embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to make the objectives, technical solutions and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0032] It should be clear that the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the embodiments of the present application.

[0033] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms of "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0034] When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the attached claims. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects, and do not have to be used to describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0035] In addition, in the description of this application, unless otherwise specified, "several" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects are in an "or" relationship.

[0036] The present application provides an affix recognition method, which can be applied in classroom teaching scenarios to automatically identify affixes in words and display affix-related analysis content on the classroom screen, thereby more conveniently assisting teachers in classroom teaching.

[0037] See also Figure 1 The affix recognition method of the present application specifically comprises the following steps:

[0038] S110: Responding to a recognition instruction for a target text on a display interface, acquiring target text information;

[0039] The display interface may be a display interface on the teacher's screen, which may be used to display the teacher's blackboard writing, PPT and other teaching contents.

[0040] In an embodiment of the present application, at least one word may be displayed on the display interface, and the teacher may select one of the words as the target text and obtain the specific content of the target text by generating a recognition instruction for the target text.

[0041] The target text recognition instruction is used to recognize the target text on the display interface, thereby obtaining the target text information; wherein the target text information is used to determine the specific content of the target text.

[0042] S120: If the target text information includes an affix, display the affix on the display interface;

[0043] In the present application, text analysis may be performed on the target text information to determine whether the target text information includes an affix.

[0044] When displaying affixes, the display interface may only display the affixes. Alternatively, in another embodiment, Figure 2As shown, the display interface can display the target text information, wherein the target text information includes the word "triangle", which includes the affix "tri". In this embodiment, when it is detected that the target text information includes the affix, the affix 111 in the text information can be adjusted to a color preset by the user, thereby realizing the identification of the affix 111, and the identified target text 110 is displayed on the display interface. Alternatively, in other embodiments, the affix can also be identified by adjusting the font, size, etc. of the affix, and the identification method of the affix is ​​not limited here.

[0045] S130: In response to the parsing instruction for the affix, obtaining parsed content of the affix, and displaying the parsed content on the display interface.

[0046] The parsing instruction is used to obtain the parsed content of the affix. In the present application, the parsed content of the affix can be retrieved from the Internet, or, in another embodiment, the parsed content of the affix can also be retrieved from a database preset by the user.

[0047] The parsed content of the affix may include the meaning of the affix, the derivatives related to the affix (words with the same affix), etc. The parsed content of the affix may be displayed in a pop-up window or other forms at the target location of the target text, such as Figure 2 As shown, in the embodiment of the present application, the parsed content of the affix can be displayed below the target text in the form of a pop-up window 120.

[0048] During class, since the meaning of most words is related to affixes, in order to aid memory, teachers usually combine multiple words with the same affixes to explain, so as to better help students understand the meaning of the words. In the embodiment of the present application, the parsing content of the affix can be automatically obtained, and the teacher does not need to manually input or search the parsing content of the affix, which can save the teacher's blackboard writing or searching time and improve the teaching quality.

[0049] It should be noted that, when the parsed content of the affix cannot be obtained, a prompt message “Parsed content of the affix not found” may be displayed on the display interface to prompt the user that the parsed content of the affix cannot be obtained.

[0050] Alternatively, in another embodiment, a parsing content input control for the teacher to input the parsing content of the affix may be displayed on the display interface, so that when the parsing content of the affix cannot be obtained, the user can input the parsing content of the affix through the parsing content input control to display the parsing content of the affix.

[0051] In this application, the parsed content of the affix is ​​displayed on the display interface, which can help students quickly understand the meaning and usage of the affix, assist teachers in teaching, and improve teaching quality.

[0052] In an embodiment of the present application, by responding to a recognition instruction of a target text on a display interface, target text information is obtained; when the target text information includes an affix, the affix is ​​displayed on the display interface; and according to a parsing instruction for the affix, the parsed content of the affix is ​​obtained and displayed on the display interface. There is no need for the teacher to manually identify the affix and input the parsed content of the affix, which can save the teacher's blackboard writing time and improve the quality of the teacher's classroom teaching.

[0053] In step S110, the target text may be classroom content input in advance by the user, or, in another embodiment, the target text may also be classroom teaching content input in real time by the user during the teaching process, such as blackboard writing.

[0054] In an embodiment of the present application, the target text may be classroom teaching content input by the user through a device with real-time writing function such as a whiteboard and a touch screen. The display interface may include a writing area for the user to perform writing operations. The proportion and position of the writing area in the display interface may be set according to the user's actual application needs.

[0055] See also Figure 3 , before obtaining the target text information, the following steps are also included:

[0056] S210: In response to a writing operation on a writing area, obtaining writing trajectory data;

[0057] S220: Acquire text information corresponding to the writing trajectory data;

[0058] S230: Displaying the text information on the display interface; wherein the text information includes a target text.

[0059] In step S210, the writing trajectory data is used to determine the content written by the user in the writing area.

[0060] In step S220, the text information includes text content corresponding to the content written by the user. When obtaining the text information corresponding to the writing trajectory data, the existing writing trajectory recognition model can be used to identify the text corresponding to the writing trajectory data to obtain the text information. The text information can be stored in the device in the form of text such as textShape, so as to facilitate subsequent text analysis to obtain the corresponding affixes.

[0061] Preferably, for different types of writing objects, a writing trajectory recognition algorithm corresponding to the writing object type can be used to obtain text information corresponding to the writing trajectory data, thereby improving the accuracy of writing trajectory recognition.

[0062] Specifically, Figure 4As shown, the step of obtaining the text information corresponding to the writing trajectory data specifically includes:

[0063] S221: Obtaining the writing type of the writing object corresponding to the writing operation;

[0064] S222: Acquire text information corresponding to the writing trajectory data using a writing trajectory recognition model corresponding to the type of writing object.

[0065] The writing object may be a writing pen, a finger, a palm, etc. For different types of writing objects, the corresponding writing trajectory data are different.

[0066] The writing trajectory recognition model can be constructed based on the existing writing trajectory recognition algorithm. The writing trajectory recognition model is used to obtain text information corresponding to the writing trajectory data. In the embodiment of the present application, different writing trajectory recognition models are constructed for different types of writing objects. Each writing trajectory recognition model is pre-trained in advance using a large number of training samples of the writing object type, thereby improving the accuracy of writing trajectory recognition.

[0067] The text information may include at least one word, and the target text may be a word in the text information selected by the user. For example, when the text information is a sentence, the target text may be a word in the sentence.

[0068] In a preferred embodiment, after the writing track is recognized, the recognized text information can be displayed on the display interface, such as Figure 5 As shown, in an embodiment of the present application, when performing writing trajectory recognition on the writing trajectory, multiple text information "Hello", "hello", and "helle" are recognized. At this time, the multiple recognized text information are displayed on the display interface, and the user finally determines the recognized text information. The user can improve the accuracy of writing trajectory recognition by selecting the real text information from the above multiple text information.

[0069] Or, if Figure 6 As shown, in another embodiment, the target text may also be text corresponding to a certain writing track of the display interface. Specifically, the display interface includes a writing track; the step of obtaining the target text information specifically includes:

[0070] S111: In response to a selection operation on a writing track on the display interface, obtaining a target writing track;

[0071] S112: Obtain target text information corresponding to the target writing trajectory.

[0072] The writing track can be the operation track of the teacher when performing writing operations on devices with real-time input functions such as whiteboards and touch screens.

[0073] The target writing trajectory is the trajectory obtained after the teacher selects a certain writing trajectory on the display interface. In this application, the user can select the target writing trajectory through common selection methods such as triggering and dragging the selection box.

[0074] The target text information includes the target text corresponding to the target writing track.

[0075] In the present application, by converting the user's writing trace into text information, it is more convenient to perform text analysis on the text information later.

[0076] In step S120, text analysis may be performed on the target text information to obtain affixes according to the user's affix recognition instruction. The affix recognition instruction may be an instruction input by the user through interaction with an input device such as a mouse or keyboard and a computer or other device that executes the affix recognition method.

[0077] Or, if Figure 7 As shown, in another embodiment, after obtaining the target text information, the following steps are also included:

[0078] S310: Displaying an affix recognition control on the display interface;

[0079] S320: In response to a trigger instruction for the affix recognition control, obtaining the affixes of the target text information.

[0080] Preferably, before displaying the affix recognition control, the following steps may also be included:

[0081] Determine whether the target text information contains a word. If the target text information contains a word, display the affix recognition control on the display interface; otherwise, do not display the affix recognition control on the display interface.

[0082] In the present application, an affix is ​​a morpheme corresponding to a word. When the target text information does not contain a word, it can be determined that the target text information also does not contain the affix. Therefore, there is no need to display an affix recognition control on the display interface, thereby saving computer resources.

[0083] In another preferred embodiment, before displaying the affix recognition control, it is also possible to combine historical recognition data to determine whether the current target text information is consistent with the historical target text information, wherein the historical recognition data may include historical target recognition text, historical affixes corresponding to the historical target recognition text, and parsing information of the historical affixes. If the current target text information is consistent with the historical target text information, the historical affixes can be directly displayed on the display interface without displaying the affix recognition control on the display interface, that is, there is no need to perform affix recognition on the target text information, thereby effectively saving computer resources.

[0084] like Figure 8 As shown, it is a schematic diagram of a display interface in another embodiment of the present application, and the display interface includes an affix recognition control 210. The user can generate a trigger instruction by triggering the affix recognition control 210, and then perform text analysis on the target text information according to the trigger instruction to obtain the affix of the target text information.

[0085] When performing text analysis on the target text information, an existing text analysis algorithm may be used to obtain affixes therefrom, or, in another embodiment, a text comparison may be performed between the target text information and various affixes stored in a preset affix library, and when the same affix exists in the target text information, the affix is ​​used as the affix of the target text information.

[0086] When obtaining affixes of target text information, sometimes wrong affixes may be obtained or no affixes may be obtained. In this case, the user can obtain the affixes of the target text by manually inputting the affixes.

[0087] Specifically, in one embodiment, the display interface may further include an affix input control, and the affix input control may be used by the user to input an affix of the target text information.

[0088] The step of obtaining the affix of the target text information specifically includes:

[0089] In response to a triggering operation on the affix input control, an affix input through the affix input control is received, and the affix is ​​used as an affix of the target text information.

[0090] like Fig. 9 As shown, the display interface includes an affix input control 310 , which can be used by a user to input an affix of target text information. The affix input control 310 includes an input box 311 and an input confirmation control 312 .

[0091] The user can enter the affix of the target text information in the input box 311, for example, enter "tri". After completing the input, the input of the affix is ​​realized by triggering the input confirmation control 312. In the present application, the priority of the affix entered through the affix input control 310 can be higher than the priority of the affix of the target text information obtained in response to the trigger instruction of the affix recognition control, so that the erroneous affix obtained automatically can be corrected, or the affix can be obtained by manual input if the affix is ​​not obtained.

[0092] In step 130, the parsing instruction may be an instruction input by a user through interaction with an input device such as a mouse or keyboard and a computer or other device that executes the affix recognition method.

[0093] Specifically, Fig.10As shown, in one embodiment, after the affix is ​​displayed on the display interface, the following steps are also included:

[0094] S410: Displaying an affix analysis control on the display interface;

[0095] S420: In response to a trigger instruction for the affix parsing control, generating a parsing instruction corresponding to the affix.

[0096] like Fig.11 As shown, it is a schematic diagram of a display interface in another embodiment of the present application, and the display interface includes an affix parsing control 410. The user can generate a parsing instruction by triggering the affix parsing control 410, and thus obtain the parsing content of the affix according to the parsing instruction.

[0097] See also Fig.12 The present application also provides an affix recognition device, the device comprising:

[0098] The target text information acquisition module 510 is used to acquire the target text information in response to the recognition instruction of the target text on the display interface;

[0099] an affix display module 520, configured to display the affix on the display interface if the target text information includes the affix;

[0100] The parsed content display module 530 is used to obtain the parsed content of the affix in response to the parsing instruction of the affix, and display the parsed content on the display interface.

[0101] In one embodiment, the affix recognition device further comprises:

[0102] An affix recognition control display module, used to display an affix recognition control on the display interface;

[0103] The affix acquisition module is used to acquire the affixes of the target text information in response to a trigger instruction of the affix recognition control.

[0104] In one embodiment, the display interface further includes an affix input control, and the affix acquisition module is used to receive an affix input through the affix input control in response to a triggering operation on the affix input control, and use the affix as the affix of the target text information.

[0105] In one embodiment, the affix recognition device further comprises:

[0106] An affix parsing control display module, used to display an affix parsing control on the display interface;

[0107] The parsing instruction generating module is used to generate a parsing instruction corresponding to the affix in response to a triggering instruction of the affix parsing control.

[0108] In one embodiment, the display interface includes a writing area, and the affix recognition device further includes:

[0109] A writing trajectory data acquisition module, used for acquiring writing trajectory data in response to a writing operation on a writing area;

[0110] A text information acquisition module, used to acquire text information corresponding to the writing trajectory data;

[0111] A text information display module is used to display the text information on the display interface; wherein the text information includes a target text.

[0112] In one embodiment, the text information acquisition module includes:

[0113] A writing type obtaining unit, used to obtain the writing type of the writing corresponding to the writing operation;

[0114] The text information acquisition unit is used to acquire text information corresponding to the writing trajectory data by using a writing trajectory recognition model corresponding to the writing object type.

[0115] In one embodiment, the display interface includes a writing track; and the target text information acquisition module includes:

[0116] A target writing trajectory acquisition unit, configured to acquire a target writing trajectory in response to a selection operation on the writing trajectory on the display interface;

[0117] The target text information acquisition unit is used to acquire the target text information corresponding to the target writing trajectory.

[0118] It should be noted that the affix recognition device provided in the above embodiment only uses the division of the above functional modules as an example when executing the affix recognition method. In actual applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In addition, the affix recognition device provided in the above embodiment and the affix recognition method in the above embodiment belong to the same concept. The implementation process is detailed in the method embodiment and will not be repeated here.

[0119] The present application also provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the steps of the affix recognition method as described in any one of the above are implemented.

[0120] The present application may take the form of a computer program product implemented on one or more storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing program code. Computer-readable storage media include permanent and non-permanent, removable and non-removable media, and information storage can be achieved by any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include but are not limited to: phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, read-only compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, tape disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device.

[0121] See also Fig.13 , the present application also provides an electronic device 600, comprising a memory 610, a processor 620, and a computer program stored in the memory 610 and executable by the processor 620;

[0122] When the processor 620 executes the computer program, the steps of the affix recognition method as described in any one of the above are implemented.

[0123] The memory 610 includes a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), a one-time programmable read-only memory (OTPROM), an electronically erasable programmable read-only memory (EEPROM), a compact disc (CD-ROM) or other optical disc storage, magnetic disk storage, magnetic tape storage, or any other computer-readable medium that can be used to carry or store data.

[0124] The processor 620 is the control core (Control Unit) of the electronic device 600. It uses various interfaces and lines to connect the various components of the entire electronic device 600, and executes various functions and processes data of the electronic device 600 by running or executing the program or module stored in the memory 610, and calling the data stored in the memory 610. For example, when the processor 620 executes the computer program stored in the memory, it implements all or part of the steps of the affix recognition method described in the embodiment of the present application; or implements all or part of the functions of the affix recognition device. The processor 620 can be composed of an integrated circuit, for example, it can be composed of a single packaged integrated circuit, or it can be composed of multiple integrated circuits with the same or different functions, including one or more central processing units (CPUs), microprocessors, digital processing chips, graphics processors, and a combination of various control chips.

[0125] The present invention is not limited to the above-mentioned embodiments. If various changes or modifications to the present invention do not depart from the spirit and scope of the present invention, and if these changes and modifications fall within the scope of the claims and equivalent technologies of the present invention, the present invention is also intended to include these changes and modifications.

Claims

1. A method for identifying affixes, characterized in that: The method comprises the following steps: In response to a recognition instruction for a target text on a display interface, acquiring target text information; If the target text information includes an affix, displaying the affix on the display interface; In response to the parsing instruction for the affix, the parsed content of the affix is ​​obtained, and the parsed content is displayed on the display interface.

2. The affix recognition method according to claim 1, characterized in that: After obtaining the target text information, the following steps are also included: Displaying an affix recognition control on the display interface; In response to a trigger instruction to the affix recognition control, the affix of the target text information is obtained.

3. The affix recognition method according to claim 2, characterized in that: The display interface also includes an affix input control, and the step of obtaining the affix of the target text information specifically includes: In response to a triggering operation on the affix input control, an affix input through the affix input control is received, and the affix is ​​used as an affix of the target text information.

4. The affix recognition method according to claim 1, characterized in that: After the affix is ​​displayed on the display interface, the following steps are also included: Displaying an affix parsing control on the display interface; In response to a trigger instruction to the affix parsing control, a parsing instruction corresponding to the affix is ​​generated.

5. The affix recognition method according to claim 1, characterized in that: The display interface includes a writing area, and before acquiring the target text information, the following steps are also included: In response to a writing operation on the writing area, obtaining writing trajectory data; Obtaining text information corresponding to the writing trajectory data; The text information is displayed on the display interface; wherein the text information includes a target text.

6. The affix recognition method according to claim 5, characterized in that: The step of obtaining the text information corresponding to the writing trajectory data specifically includes: Get the writing type of the writing object corresponding to the writing operation; The text information corresponding to the writing trajectory data is obtained using a writing trajectory recognition model corresponding to the writing object type.

7. The affix recognition method according to claim 1, characterized in that: The display interface includes a writing track; The step of obtaining target text information specifically includes: In response to a selection operation on a writing track on the display interface, obtaining a target writing track; Obtain target text information corresponding to the target writing trajectory.

8. An affix recognition device, characterized in that: The device comprises: A target text information acquisition module, used to acquire target text information in response to a recognition instruction for a target text on a display interface; an affix display module, configured to display the affix on the display interface if the target text information includes the affix; The parsing content display module is used to obtain the parsing content of the affix in response to the parsing instruction of the affix, and display the parsing content on the display interface.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the affix recognition method as described in any one of claims 1 to 7 are implemented.

10. An electronic device, characterized in that: comprising a memory, a processor, and a computer program stored in the memory and executable by the processor; When the processor executes the computer program, the steps of the affix recognition method according to any one of claims 1 to 7 are implemented.

Images