CN111710214A - Automatic cursor correction method and intelligent device - Google Patents
Automatic cursor correction method and intelligent device Download PDFInfo
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- CN111710214A CN111710214A CN202010547835.4A CN202010547835A CN111710214A CN 111710214 A CN111710214 A CN 111710214A CN 202010547835 A CN202010547835 A CN 202010547835A CN 111710214 A CN111710214 A CN 111710214A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B17/00—Teaching reading
- G09B17/02—Line indicators or other guides or masks
Abstract
The invention belongs to the technical field of computers, and provides a method for automatically correcting a cursor and intelligent equipment, wherein the method comprises the following steps: projecting a preset cursor on a book page, and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; and when the projection direction of the preset cursor on the book page is not the positive direction and/or the length-width ratio is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform. When the placing platform of the book page is a non-horizontal plane platform, the projection direction and the length-width ratio of the preset cursor are adjusted, so that the projection direction of the preset cursor on the book page is in the range of the preset length-width ratio as the positive direction and the length-width ratio. According to the invention, the cursor is automatically corrected to prevent the cursor from deforming, so that the user is assisted to more visually judge whether the content to be aligned is in the identification area, the use efficiency of the user can be effectively improved, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method for automatically correcting a cursor and intelligent equipment.
Background
In the process of doing homework, students in middle and primary schools often use question searching software or word searching software to assist learning so as to improve the homework efficiency. The current common topic searching software or word searching software utilizes the standard lines displayed in the screen to assist the user to more accurately align the topics or words to be searched, so that although the basic use appeal of the user can be met, the standard auxiliary lines suspended in the screen cannot well form corresponding relations with the topics or words in the textbook, and therefore the use experience is poor.
In the present optimization scheme, the laser lamp near the accessible equipment camera throws out the cursor of various shapes on the textbook, like cross cursor, word cursor etc. supplementary user more audio-visual judgement will aim at the content whether in the identification area, but this kind of scheme of throwing the cursor through fixed laser lamp, operation requirement to the user is higher, when equipment and textbook are in the non-parallel state, because throw light and textbook plane and form the contained angle that is less than 90 degrees, certain deformation can appear in the cursor, for example the cross cursor can be elongated, will directly influence user's use experience.
Disclosure of Invention
The invention provides a method for automatically correcting a cursor and intelligent equipment, which can realize automatic cursor correction so as to prevent the cursor from deforming, assist a user in more intuitively judging whether contents to be aligned are in an identification area, effectively improve the use efficiency of the user and improve the user experience.
The technical scheme provided by the invention is as follows:
in one aspect, a method for automatically correcting a cursor includes the following steps:
projecting a preset cursor on a book page, and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; the preset cursor is projected in the horizontal plane in the positive direction and has the length-width ratio within the preset length-width ratio range.
And when the projection direction of the preset cursor on the book page is not the positive direction and/or the length-width ratio is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
When the placing platform of the book page is a non-horizontal plane platform, the projection direction and the length-width ratio of the preset cursor are adjusted, so that the preset cursor is in the projection direction of the book page as a positive direction and the length-width ratio is in the preset length-width ratio range.
Further preferably, before the projecting the preset cursor on the page of the book, the method further comprises the following steps:
when the intelligent device projects the cursor on a horizontal plane, the projection direction and the length-width ratio of the cursor are adjusted in real time.
And when the projection direction is a positive direction and the length-width ratio is in the preset length-width ratio range, taking the cursor as a preset cursor.
Further preferably, the adjusting the projection direction and the length-width ratio of the cursor in real time specifically includes the steps of:
and acquiring the inclination angle of the intelligent equipment.
Based on the inclination of smart machine, adjust the projection direction and the length-width ratio of cursor, so that the cursor is projected when the horizontal page, the projection direction is the positive direction just the length-width ratio is in predetermine length-width ratio scope.
Further preferably, the obtaining of the inclination angle of the smart device specifically includes:
and judging the inclination angle of the intelligent equipment in the three-axis direction in real time through the gyroscope of the intelligent equipment.
Further preferably, before the determining that the book page is a non-horizontal plane when the projection direction of the preset cursor on the book page is not a positive direction and/or the length-width ratio is not within the preset length-width ratio range, the method includes the steps of:
and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time through a camera of the intelligent equipment.
And judging whether the placing platform of the book page is a non-horizontal plane or not based on the projection direction and the length-width ratio of the preset cursor on the book page.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is a positive direction or not.
And when the projection direction of the preset cursor on the book page is not the positive direction, determining that the placing platform of the book page is a non-horizontal plane platform.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is a positive direction or not.
And when the projection direction of the preset cursor on the book page is the positive direction, judging whether the length-width ratio of the preset cursor on the book page is in the preset length-width ratio range.
And when the length-width ratio of the preset cursor on the book page is not in the preset length-width ratio range, determining that the placing platform of the book page is a non-horizontal plane platform.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is the positive direction or not and whether the length-width ratio of the preset cursor on the book page is in the preset length-width ratio range or not.
And when the projection direction of the book page with the preset cursor is the positive direction and the length-width ratio of the book page with the preset cursor is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
In another aspect, the present invention further provides an intelligent device, including:
a projection module: the system comprises a display screen, a cursor control module and a display module, wherein the display screen is used for displaying a preset cursor on a book page and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; the preset cursor is projected in the horizontal plane in the positive direction and has the length-width ratio within the preset length-width ratio range.
A judging module: and when the projection direction of the preset cursor on the book page is not the positive direction and/or the length-width ratio is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
An adjusting module: and when the placing platform of the book page is a non-horizontal plane platform, adjusting the projection direction and the length-width ratio of the preset cursor so as to enable the preset cursor to be in the projection direction of the book page to be a positive direction and the length-width ratio to be in the range of the preset length-width ratio.
Further preferably, the method further comprises the following steps:
a monitoring module: the camera is used for monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; and judging whether the placing platform of the book page is a non-horizontal plane or not based on the projection direction and the length-width ratio of the preset cursor on the book page.
The method for automatically correcting the cursor and the intelligent equipment provided by the invention at least have the following beneficial effects:
1) the invention provides a method for automatically correcting a cursor and intelligent equipment, which can realize automatic cursor correction so as to prevent the cursor from deforming, assist a user in more intuitively judging whether contents to be aligned are in an identification area, effectively improve the use efficiency of the user and improve the user experience.
2) The projection direction and the length-width ratio of the preset cursor on the book page are monitored in real time, so that the problem that the projection direction of the cursor is not the positive direction and the length-width ratio is not in the range of the preset length-width ratio when a placing platform of the book page is not horizontal is avoided, and further the problem searching and word searching are inaccurate. The situation that the placing platform of the book page is not a horizontal plane platform can be avoided through the scheme, and the problems of inaccurate question searching and word searching of different book page placing platforms are comprehensively solved.
3) Through the scheme, when a user uses the intelligent equipment to search for questions or search words and the like, no matter the operated intelligent equipment or the textbook is at any angle, as long as the cursor projected by the projection lamp near the camera on the intelligent equipment is positioned on the textbook, the cursor projected on the textbook can be in the standard cursor proportion in the positive direction, the operation difficulty of the user can be effectively reduced, and the user experience is improved.
4) The standard cursor projected on the horizontal plane can be obtained through the scheme, namely the cursor with the projection direction in the positive direction and the length-width ratio in the preset length-width ratio range can be obtained. Most desks are similar to a horizontal platform, and the preset cursor is universal, so that the application efficiency of searching questions and searching words is improved.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a flow chart diagram illustrating one embodiment of a method for automatically correcting a cursor of the present invention;
FIG. 2 is a flow chart illustrating an alternative embodiment of a method for automatically correcting a cursor in accordance with the present invention;
FIG. 3 is a flow chart illustrating a method for automatically correcting a cursor according to yet another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a smart device of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
In one aspect, as shown in fig. 1, the present invention provides an embodiment of a method for automatically correcting a cursor, including the following steps:
s110, projecting a preset cursor on a book page, and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; the preset cursor is projected in the horizontal plane in the positive direction and has the length-width ratio within the preset length-width ratio range.
The principle is that whether the cursor belongs to the normal range is judged through the camera. And if the cursor is not in the normal range, referring to data of the gyroscope, and adjusting the projection direction and the length-width ratio of the projected cursor so that the cursor projected on the book is always in the preset length-width ratio range. The preset length-width ratio range is generally determined according to the habit of the user, and the cursor is generally a cross or a word, such as a cross cursor with equal length and width. The camera may not be able to guarantee the equal length and width during detection, and may have errors, so a relatively comfortable range is set as the preset length and width ratio range.
Specifically, in practical application scenes, such as most of the scenes of searching for questions and searching for words, a user places a book on a desk, and the desk is a platform similar to a horizontal plane, the cursor projected by the intelligent device is preferably assumed to be a preset cursor, the preset cursor needs to ensure that the projection direction is a positive direction when the intelligent device is projected on the horizontal plane, and the length-width ratio is a standard cursor ratio, namely, the preset length-width ratio is within the preset length-width ratio range.
For example, when the preset cursor is projected on the book page through the intelligent device, the projection direction and the length-width ratio of the preset cursor can be monitored by a component which can be used for monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time through a camera and the like of the intelligent device.
Although the placement platform of the book page, that is, the desk, is similar to a horizontal plane, the actual desk may have a difference from the horizontal plane due to the influence of size or work, and therefore, the projection direction and the length-width ratio of the preset cursor on the book page need to be monitored in real time, so as to avoid that the projection direction of the cursor is not the positive direction and the length-width ratio is not in the preset length-width ratio range when the placement platform of the book page is not the horizontal plane, and further cause that the problem searching and the word searching are inaccurate. The situation that the placing platform of the book page is not a horizontal plane platform can be avoided through the scheme, and the problems of inaccurate question searching and word searching of different book page placing platforms are comprehensively solved.
S120, when the projection direction of the preset cursor on the book page is not the positive direction and/or the length-width ratio is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
Specifically, if the projection direction of the preset cursor on the book page is not the positive direction, the projection direction at this time can be considered as the wrong cursor direction, the cursor is deformed, and the problem search or word search cannot be correctly performed, so that the user experience is reduced.
Illustratively, the direction and the length-width ratio of a cursor projected on a book page are monitored in real time through a camera of the intelligent device, the direction of the cursor is the projection direction of a preset cursor, and if the direction and the length-width ratio of the cursor do not accord with the preset standard range, the placing platform of the book page is judged to be a non-horizontal plane platform.
Since the preset cursor is projected on the horizontal plane, the projection direction is the positive direction, and the length-width ratio is the cosine theorem, the preset cursor cannot meet the operations of searching questions and searching words and the like of the page of the book.
S130, when the placing platform of the book page is a non-horizontal plane platform, adjusting the projection direction and the length-width ratio of the preset cursor so that the projection direction of the preset cursor on the book page is a positive direction and the length-width ratio is in the range of the preset length-width ratio.
Specifically, the angle and the length-width ratio projected by the cursor are adjusted through the wrong cursor direction or the wrong length-width ratio acquired by the camera of the intelligent device until the cursor projected on the book page is within the preset standard range. The preset standard range is that the projection direction of the cursor is the positive direction, and the length-width ratio is in the preset length-width ratio range.
Illustratively, a textbook picture with a cursor, namely a book page, is captured through a camera of the intelligent device, if a line of the cursor is parallel or perpendicular to characters on the textbook, the line is a positive direction, and if the length-width ratio of the cursor meets a preset standard range, the ratio is a standard cursor ratio.
Through the scheme, when a user uses the intelligent equipment to search for questions or search words and the like, no matter the operated intelligent equipment or the textbook is at any angle, as long as the cursor projected by the projection lamp near the camera on the intelligent equipment is positioned on the textbook, the cursor projected on the textbook can be in the standard cursor proportion in the positive direction, the operation difficulty of the user can be effectively reduced, and the user experience is improved.
Further preferably, before the projecting the preset cursor on the page of the book, the method further comprises the following steps:
when the intelligent device projects the cursor on a horizontal plane, the projection direction and the length-width ratio of the cursor are adjusted in real time.
And when the projection direction is a positive direction and the length-width ratio is in the preset length-width ratio range, taking the cursor as a preset cursor.
Further preferably, the adjusting the projection direction and the length-width ratio of the cursor in real time specifically includes the steps of:
and acquiring the inclination angle of the intelligent equipment.
Based on the inclination of smart machine, adjust the projection direction and the length-width ratio of cursor, so that the cursor is projected when the horizontal page, the projection direction is the positive direction just the length-width ratio is in predetermine length-width ratio scope.
Further preferably, the obtaining of the inclination angle of the smart device specifically includes:
and judging the inclination angle of the intelligent equipment in the three-axis direction in real time through the gyroscope of the intelligent equipment.
Further preferably, before the determining that the book page is a non-horizontal plane when the projection direction of the preset cursor on the book page is not a positive direction and/or the length-width ratio is not within the preset length-width ratio range, the method includes the steps of:
and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time through a camera of the intelligent equipment.
And judging whether the placing platform of the book page is a non-horizontal plane or not based on the projection direction and the length-width ratio of the preset cursor on the book page.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is a positive direction or not.
And when the projection direction of the preset cursor on the book page is not the positive direction, determining that the placing platform of the book page is a non-horizontal plane platform.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is a positive direction or not.
And when the projection direction of the preset cursor on the book page is the positive direction, judging whether the length-width ratio of the preset cursor on the book page is in the preset length-width ratio range.
And when the length-width ratio of the preset cursor on the book page is not in the preset length-width ratio range, determining that the placing platform of the book page is a non-horizontal plane platform.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is the positive direction or not and whether the length-width ratio of the preset cursor on the book page is in the preset length-width ratio range or not.
And when the projection direction of the book page with the preset cursor is the positive direction and the length-width ratio of the book page with the preset cursor is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
As shown in fig. 2, the present invention provides another embodiment of a method for automatically correcting a cursor, comprising the following steps:
s210, when the intelligent device projects the cursor on the horizontal plane, the projection direction and the length-width ratio of the cursor are adjusted in real time.
And S220, when the projection direction is a positive direction and the length-width ratio is in a preset length-width ratio range, taking the cursor as a preset cursor.
Specifically, in practical application scenes, such as most of the scenes of searching for questions and searching for words, a user places a book on a desk, and the desk is a platform similar to a horizontal plane, the cursor projected by the intelligent device is preferably assumed to be a preset cursor, the preset cursor needs to ensure that the projection direction is a positive direction when the intelligent device is projected on the horizontal plane, and the length-width ratio is a standard cursor ratio, namely, the preset length-width ratio is within the preset length-width ratio range.
Exemplarily, the inclination angle of the current intelligent device in the space (in the three-axis direction) is judged in real time through a gyroscope in the intelligent device, and the angle and the length-width ratio of the cursor projected by the laser are adjusted as the standard, so that no matter which posture the intelligent device is in, the cursor is in the positive direction standard cursor ratio when projected onto a textbook.
The standard cursor projected on the horizontal plane can be obtained through the scheme, namely the cursor with the projection direction in the positive direction and the length-width ratio in the preset length-width ratio range can be obtained. Most desks are similar to a horizontal platform, and the preset cursor is universal, so that the application efficiency of searching questions and searching words is improved.
Further preferably, the adjusting the projection direction and the length-width ratio of the cursor in real time specifically includes the steps of:
and acquiring the inclination angle of the intelligent equipment.
Based on the inclination of smart machine, adjust the projection direction and the length-width ratio of cursor, so that the cursor is projected when the horizontal page, the projection direction is the positive direction just the length-width ratio is in predetermine length-width ratio scope.
Further preferably, the obtaining of the inclination angle of the smart device specifically includes:
and judging the inclination angle of the intelligent equipment in the three-axis direction in real time through the gyroscope of the intelligent equipment.
Exemplarily, the inclination angle of the current intelligent device in the space (in the three-axis direction) is judged in real time through a gyroscope in the intelligent device, and the angle and the length-width ratio (cosine theorem) of the cursor projected by the laser are adjusted by taking the inclination angle as a standard, so that the cursor is in the normal direction standard cursor ratio when being projected onto a textbook no matter which posture the intelligent device is in.
S230, projecting a preset cursor on a book page, and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; the preset cursor is projected in the positive direction when projected on the horizontal plane, and the length-width ratio of the preset cursor is within the range of the preset length-width ratio.
Specifically, in practical application scenes, such as most of the scenes of searching for questions and searching for words, a user places a book on a desk, and the desk is a platform similar to a horizontal plane, the cursor projected by the intelligent device is preferably assumed to be a preset cursor, the preset cursor needs to ensure that the projection direction is a positive direction when the intelligent device is projected on the horizontal plane, and the length-width ratio is a standard cursor ratio, namely, the preset length-width ratio is within the preset length-width ratio range.
For example, when the preset cursor is projected on the book page through the intelligent device, the projection direction and the length-width ratio of the preset cursor can be monitored by a component which can be used for monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time through a camera and the like of the intelligent device.
Although the placement platform of the book page, that is, the desk, is similar to a horizontal plane, the actual desk may have a difference from the horizontal plane due to the influence of size or work, and therefore, the projection direction and the length-width ratio of the preset cursor on the book page need to be monitored in real time, so as to avoid that the projection direction of the cursor is not the positive direction and the length-width ratio is not in the preset length-width ratio range when the placement platform of the book page is not the horizontal plane, and further cause that the problem searching and the word searching are inaccurate. The situation that the placing platform of the book page is not a horizontal plane platform can be avoided through the scheme, and the problems of inaccurate question searching and word searching of different book page placing platforms are comprehensively solved.
S240, when the projection direction of the preset cursor on the book page is not the positive direction and/or the length-width ratio is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
Specifically, if the projection direction of the preset cursor on the book page is not the positive direction, the projection direction at this time can be considered as the wrong cursor direction, the cursor is deformed, and the problem search or word search cannot be correctly performed, so that the user experience is reduced.
Illustratively, the direction and the length-width ratio of a cursor projected on a book page are monitored in real time through a camera of the intelligent device, the direction of the cursor is the projection direction of a preset cursor, and if the direction and the length-width ratio of the cursor do not accord with the preset standard range, the placing platform of the book page is judged to be a non-horizontal plane platform.
Since the preset cursor is projected on the horizontal plane, the projection direction is the positive direction, and the length-width ratio is the cosine theorem, the preset cursor cannot meet the operations of searching questions and searching words and the like of the page of the book.
S250, when the placing platform of the book page is a non-horizontal plane platform, adjusting the projection direction and the length-width ratio of the preset cursor so as to enable the preset cursor to be in the projection direction of the book page as a positive direction and the length-width ratio to be in the range of the preset length-width ratio.
Specifically, the angle and the length-width ratio projected by the cursor are adjusted through the wrong cursor direction or the wrong length-width ratio acquired by the camera of the intelligent device until the cursor projected on the book page is within the preset standard range. The preset standard range is that the projection direction of the cursor is the positive direction, and the length-width ratio is in the preset length-width ratio range.
Illustratively, a textbook picture with a cursor, namely a book page, is captured through a camera of the intelligent device, if a line of the cursor is parallel or perpendicular to characters on the textbook, the line is a positive direction, and if the length-width ratio of the cursor meets a preset standard range, the ratio is a standard cursor ratio.
Through the scheme, when a user uses the intelligent equipment to search for questions or search words and the like, no matter the operated intelligent equipment or the textbook is at any angle, as long as the cursor projected by the projection lamp near the camera on the intelligent equipment is positioned on the textbook, the cursor projected on the textbook can be in the standard cursor proportion in the positive direction, the operation difficulty of the user can be effectively reduced, and the user experience is improved.
As shown in fig. 3, the present invention provides another embodiment of a method for automatically correcting a cursor, comprising the steps of:
s310, projecting a preset cursor on a book page, and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; the preset cursor is projected in the horizontal plane in the positive direction and has the length-width ratio within the preset length-width ratio range.
Specifically, in practical application scenes, such as most of the scenes of searching for questions and searching for words, a user places a book on a desk, and the desk is a platform similar to a horizontal plane, the cursor projected by the intelligent device is preferably assumed to be a preset cursor, the preset cursor needs to ensure that the projection direction is a positive direction when the intelligent device is projected on the horizontal plane, and the length-width ratio is a standard cursor ratio, namely, the preset length-width ratio is within the preset length-width ratio range.
For example, when the preset cursor is projected on the book page through the intelligent device, the projection direction and the length-width ratio of the preset cursor can be monitored by a component which can be used for monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time through a camera and the like of the intelligent device.
Although the placement platform of the book page, that is, the desk, is similar to a horizontal plane, the actual desk may have a difference from the horizontal plane due to the influence of size or work, and therefore, the projection direction and the length-width ratio of the preset cursor on the book page need to be monitored in real time, so as to avoid that the projection direction of the cursor is not the positive direction and the length-width ratio is not in the preset length-width ratio range when the placement platform of the book page is not the horizontal plane, and further cause that the problem searching and the word searching are inaccurate. The situation that the placing platform of the book page is not a horizontal plane platform can be avoided through the scheme, and the problems of inaccurate question searching and word searching of different book page placing platforms are comprehensively solved.
And S320, monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time through a camera of the intelligent device.
S330, judging whether the placing platform of the book page is a non-horizontal plane or not based on the projection direction and the length-width ratio of the preset cursor on the book page.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is a positive direction or not.
And when the projection direction of the preset cursor on the book page is not the positive direction, determining that the placing platform of the book page is a non-horizontal plane platform.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is a positive direction or not.
And when the projection direction of the preset cursor on the book page is the positive direction, judging whether the length-width ratio of the preset cursor on the book page is in the preset length-width ratio range.
And when the length-width ratio of the preset cursor on the book page is not in the preset length-width ratio range, determining that the placing platform of the book page is a non-horizontal plane platform.
Further preferably, the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page includes the steps of:
and judging whether the projection direction of the preset cursor on the book page is the positive direction or not and whether the length-width ratio of the preset cursor on the book page is in the preset length-width ratio range or not.
And when the projection direction of the book page with the preset cursor is the positive direction and the length-width ratio of the book page with the preset cursor is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
S340, when the projection direction of the preset cursor on the book page is not the positive direction and/or the length-width ratio is not in the preset length-width ratio range, determining that the placing platform of the book page is a non-horizontal plane platform.
Specifically, if the projection direction of the preset cursor on the book page is not the positive direction, the projection direction at this time can be considered as the wrong cursor direction, the cursor is deformed, and the problem search or word search cannot be correctly performed, so that the user experience is reduced.
Illustratively, the direction and the length-width ratio of a cursor projected on a book page are monitored in real time through a camera of the intelligent device, the direction of the cursor is the projection direction of a preset cursor, and if the direction and the length-width ratio of the cursor do not accord with the preset standard range, the placing platform of the book page is judged to be a non-horizontal plane platform.
Since the preset cursor is projected on the horizontal plane, the projection direction is the positive direction, and the length-width ratio is the cosine theorem, the preset cursor cannot meet the operations of searching questions and searching words and the like of the page of the book.
S350, when the placing platform of the book page is a non-horizontal plane platform, adjusting the projection direction and the length-width ratio of the preset cursor so that the preset cursor is in the projection direction of the book page as the positive direction and the length-width ratio is in the preset length-width ratio range.
Specifically, the angle and the length-width ratio projected by the cursor are adjusted through the wrong cursor direction or the wrong length-width ratio acquired by the camera of the intelligent device until the cursor projected on the book page is within the preset standard range. The preset standard range is that the projection direction of the cursor is the positive direction, and the length-width ratio is in the preset length-width ratio range.
Illustratively, a textbook picture with a cursor, namely a book page, is captured through a camera of the intelligent device, if a line of the cursor is parallel or perpendicular to characters on the textbook, the line is a positive direction, and if the length-width ratio of the cursor meets a preset standard range, the ratio is a standard cursor ratio.
Through the scheme, when a user uses the intelligent equipment to search for questions or search words and the like, no matter the operated intelligent equipment or the textbook is at any angle, as long as the cursor projected by the projection lamp near the camera on the intelligent equipment is positioned on the textbook, the cursor projected on the textbook can be in the standard cursor proportion in the positive direction, the operation difficulty of the user can be effectively reduced, and the user experience is improved.
In another aspect, as shown in fig. 4, the present invention further provides an embodiment of an intelligent device, including:
the projection module 401: the system comprises a display screen, a cursor control module and a display module, wherein the display screen is used for displaying a preset cursor on a book page and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; the preset cursor is projected in the horizontal plane in the positive direction and has the length-width ratio within the preset length-width ratio range.
The judging module 402: and when the projection direction of the preset cursor on the book page is not the positive direction and/or the length-width ratio is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
The adjusting module 403: and when the placing platform of the book page is a non-horizontal plane platform, adjusting the projection direction and the length-width ratio of the preset cursor so as to enable the preset cursor to be in the projection direction of the book page to be a positive direction and the length-width ratio to be in the range of the preset length-width ratio.
Further preferably, the method further comprises the following steps:
a monitoring module: the camera is used for monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; and judging whether the placing platform of the book page is a non-horizontal plane or not based on the projection direction and the length-width ratio of the preset cursor on the book page.
By the method for automatically correcting the cursor by the intelligent equipment, when a user uses the intelligent equipment to search for questions or search words and the like, no matter the operated intelligent equipment or the textbook is at any angle, as long as the cursor projected by the projection lamp near the camera on the intelligent equipment is positioned on the textbook, the cursor projected on the textbook can meet the requirement that the cursor belongs to the standard cursor proportion in the positive direction, the operation difficulty of the user can be effectively reduced, and the user experience is improved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described system embodiments are merely exemplary, and it is exemplary that the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, and it is exemplary that a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A method for automatically correcting a cursor is characterized by comprising the following steps:
projecting a preset cursor on a book page, and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; the preset cursor is projected in the horizontal plane, the projection direction is the positive direction, and the length-width ratio is in the preset length-width ratio range;
when the projection direction of the preset cursor on the book page is not the positive direction and/or the length-width ratio is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform;
when the placing platform of the book page is a non-horizontal plane platform, the projection direction and the length-width ratio of the preset cursor are adjusted, so that the preset cursor is in the projection direction of the book page as a positive direction and the length-width ratio is in the preset length-width ratio range.
2. The method for automatically correcting a cursor according to claim 1, further comprising, before the step of projecting the preset cursor on a page of a book, the steps of:
when the intelligent equipment projects the cursor on a horizontal plane, adjusting the projection direction and the length-width ratio of the cursor in real time;
and when the projection direction is a positive direction and the length-width ratio is in the preset length-width ratio range, taking the cursor as a preset cursor.
3. The method for automatically correcting the cursor according to claim 2, wherein the real-time adjustment of the projection direction and the length-width ratio of the cursor specifically comprises the steps of:
acquiring an inclination angle of the intelligent device;
based on the inclination of smart machine, adjust the projection direction and the length-width ratio of cursor, so that the cursor is projected when the horizontal page, the projection direction is the positive direction just the length-width ratio is in predetermine length-width ratio scope.
4. The method for automatically correcting the cursor according to claim 3, wherein the step of obtaining the inclination angle of the intelligent device specifically comprises the steps of:
and judging the inclination angle of the intelligent equipment in the three-axis direction in real time through the gyroscope of the intelligent equipment.
5. The method for automatically correcting the cursor according to claim 2, wherein before the step of determining that the book page is a non-horizontal plane when the projection direction of the preset cursor on the book page is not a positive direction and/or the aspect ratio is not within the preset aspect ratio range, the method comprises the steps of:
monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time through a camera of the intelligent device;
and judging whether the placing platform of the book page is a non-horizontal plane or not based on the projection direction and the length-width ratio of the preset cursor on the book page.
6. The method for automatically correcting the cursor according to claim 5, wherein the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page comprises the following specific steps:
judging whether the projection direction of the preset cursor on the book page is a positive direction or not;
and when the projection direction of the preset cursor on the book page is not the positive direction, determining that the placing platform of the book page is a non-horizontal plane platform.
7. The method for automatically correcting the cursor according to claim 5, wherein the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page comprises the following specific steps:
judging whether the projection direction of the preset cursor on the book page is a positive direction or not;
when the projection direction of the preset cursor on the book page is a positive direction, judging whether the length-width ratio of the preset cursor on the book page is in the preset length-width ratio range or not;
and when the length-width ratio of the preset cursor on the book page is not in the preset length-width ratio range, determining that the placing platform of the book page is a non-horizontal plane platform.
8. The method for automatically correcting the cursor according to claim 5, wherein the step of determining whether the placement platform of the book page is a non-horizontal plane based on the projection direction and the length-width ratio of the preset cursor on the book page comprises the following specific steps:
judging whether the projection direction of the preset cursor on the book page is the positive direction or not and whether the length-width ratio of the preset cursor on the book page is in the preset length-width ratio range or not;
and when the projection direction of the book page with the preset cursor is the positive direction and the length-width ratio of the book page with the preset cursor is not in the range of the preset length-width ratio, determining that the placing platform of the book page is a non-horizontal plane platform.
9. A smart device, comprising:
a projection module: the system comprises a display screen, a cursor control module and a display module, wherein the display screen is used for displaying a preset cursor on a book page and monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; the preset cursor is projected in the horizontal plane, the projection direction is the positive direction, and the length-width ratio is in the preset length-width ratio range;
a judging module: the device comprises a storage platform, a display platform and a cursor control module, wherein the storage platform is used for storing a preset length-width ratio range and a preset cursor, and the preset cursor is used for determining that the storage platform of the book page is a non-horizontal plane platform when the projection direction of the preset cursor on the book page is not a positive direction and/or the length-width ratio is not in the preset length-width ratio range;
an adjusting module: and when the placing platform of the book page is a non-horizontal plane platform, adjusting the projection direction and the length-width ratio of the preset cursor so as to enable the preset cursor to be in the projection direction of the book page to be a positive direction and the length-width ratio to be in the range of the preset length-width ratio.
10. The smart device of claim 9, further comprising:
a monitoring module: the camera is used for monitoring the projection direction and the length-width ratio of the preset cursor on the book page in real time; and judging whether the placing platform of the book page is a non-horizontal plane or not based on the projection direction and the length-width ratio of the preset cursor on the book page.
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