CN111444386A - Video information retrieval method and device, computer equipment and storage medium - Google Patents
Video information retrieval method and device, computer equipment and storage medium Download PDFInfo
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
- G06F16/7844—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using original textual content or text extracted from visual content or transcript of audio data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/75—Clustering; Classification
Abstract
The invention is suitable for the technical field of computers, and provides a video information retrieval method, a video information retrieval device, computer equipment and a storage medium, wherein the video information retrieval method comprises the following steps: receiving a video information retrieval request input by a user according to a target video, wherein the video information retrieval request carries target information; splitting the target video to obtain a plurality of frame image pages; and retrieving the target information from the plurality of frames of image pages, and displaying the image pages with the target information. The method and the device realize the quick finding of the fragments meeting the self requirements in the dynamically changing video, reduce intermediate operations, have convenient and fast operation, high retrieval speed and high accuracy, increase the entertainment and greatly improve the user experience.
Description
Technical Field
The invention belongs to the technical field of computers, and particularly relates to a video information retrieval method and device, computer equipment and a storage medium.
Background
With the rapid development of internet technology, it has become an indispensable part of people's life, and especially, an entertainment mode of watching videos online is also popular.
However, the video is always in a dynamic change process during playing, and it is difficult to retrieve the video content of interest in the video being watched in time compared with the general text, and a common method in the video being played is to estimate and retrieve the video content of a specific segment by a fast forward manner or by a prompt on a video progress bar, so that it is impossible to quickly select to watch only the portion of interest.
Therefore, the conventional video information retrieval method generally has the defects of long retrieval time, low accuracy, difficulty in control and incapability of meeting the use requirements of people.
Disclosure of Invention
The embodiment of the invention aims to provide a video information retrieval method, aiming at solving the problem.
The embodiment of the invention is realized in such a way that a video information retrieval method comprises the following steps:
receiving a video information retrieval request input by a user according to a target video, wherein the video information retrieval request carries target information;
splitting the target video to obtain a plurality of frame image pages;
and retrieving the target information from the plurality of frames of image pages, and displaying the image pages with the target information.
Another object of an embodiment of the present invention is to provide a video information retrieval apparatus, including:
the retrieval request receiving unit is used for receiving a video information retrieval request input by a user according to a target video, wherein the video information retrieval request carries target information;
the video splitting unit is used for splitting the target video to obtain a plurality of frame image pages; and
and the retrieval unit is used for retrieving the target information in the plurality of frames of image pages and displaying the image pages with the target information.
It is a further object of an embodiment of the present invention to provide a computer device, comprising a memory and a processor, the memory having stored therein a computer program, which, when executed by the processor, causes the processor to perform the steps of the video information retrieval method.
Another object of an embodiment of the present invention is a computer-readable storage medium having stored thereon a computer program, which, when executed by a processor, causes the processor to perform the steps of the video information retrieval method.
According to the video information retrieval method provided by the embodiment of the invention, a video information retrieval request input by a user according to a target video is received, wherein the video information retrieval request carries target information; splitting the target video to obtain a plurality of frame image pages; and retrieving the target information from the plurality of frames of image pages, and displaying the image pages with the target information. The method and the device realize the quick finding of the fragments meeting the self requirements in the dynamically changing video, reduce intermediate operations, have convenient and fast operation, high retrieval speed and high accuracy, increase the entertainment and greatly improve the user experience.
Drawings
Fig. 1 is a flow chart of implementing a video information retrieval method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating an implementation of another video information retrieval method according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating an implementation of another video information retrieval method according to an embodiment of the present invention;
fig. 4 is a block diagram of a video information retrieval apparatus according to an embodiment of the present invention;
fig. 5 is a block diagram of a video information retrieval apparatus according to another embodiment of the present invention;
fig. 6 is a block diagram of another video information retrieval apparatus according to an embodiment of the present invention;
fig. 7 is a block diagram of another video information retrieval apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, etc. may be used to describe various information in embodiments of the present invention, the information should not be limited by these terms. These terms are only used to distinguish one type of information from another.
According to the video information retrieval method provided by the embodiment of the invention, a video information retrieval request input by a user according to a target video is received, wherein the video information retrieval request carries target information; splitting the target video to obtain a plurality of frame image pages; and retrieving the target information from the plurality of frames of image pages, and displaying the image pages with the target information. The method and the device realize the quick finding of the fragments meeting the self requirements in the dynamically changing video, reduce intermediate operations, have convenient and fast operation, high retrieval speed and high accuracy, increase the entertainment and greatly improve the user experience.
As an example, the above-described video information retrieval method may be applied to a terminal device, and the terminal device may be implemented in various forms. For example, the terminal device described in the present invention may include a mobile device such as a mobile phone, a smart phone, a notebook computer, a PDA (personal digital assistant), a PAD (tablet computer), and the like, and a fixed device such as a digital TV, a desktop computer, and the like, but is not limited thereto. The terminal device can run various software with a video playing function, and the software can be, but is not limited to, Tencent video, Youkou video, Aiqiyi video, mango video and the like. In the following, it is assumed that the terminal device is a fixed device. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a mobile type apparatus, in addition to elements particularly used for fixing purposes.
To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.
Fig. 1 shows an implementation flow of a video information retrieval method provided by an embodiment of the present invention, and for convenience of description, only the relevant parts related to the embodiment of the present invention are shown, which are detailed as follows:
in step S101, a video information retrieval request entered by a user according to a target video is received, where the video information retrieval request carries target information.
In the embodiment of the present invention, the target information is used to determine the video information to be searched in the current video, that is, the target video, and may exist in a text form, such as a keyword or a sentence; the image can also exist in the form of an image, or both the forms exist simultaneously; in addition, the target information may be video information existing in the current video, or may be video information not existing in the current video; for example, if the currently played video is a certain even image play, the play relates to a character one, a character two, a character three, and the like, and the segment in which the character three exists is a segment to be searched, the target information may be the actual name of the actor in the character three or the name and the outer number of the actor in the play, or the character image picture of the character three in the play or the propaganda photo of the actor in the network, and if the character image picture of the character three in the play is, the character play can be directly captured through a conventional capture function; if a specific segment of the third person in a sentence is desired to be found, the target information may be the name or picture of the third person and a keyword corresponding to the sentence.
In step S102, the target video is split to obtain a plurality of image pages.
In step S103, the target information is retrieved from the image pages of the frames, and the image page with the target information is displayed.
In the embodiment of the invention, when the range related by the target information is too large, a plurality of image pages which often accord with the range of the target information are provided, and the image pages which accord with the requirement of the target information can be displayed like a user one by one for the user to select.
According to the video information retrieval method provided by the embodiment of the invention, a video information retrieval request input by a user according to a target video is received, wherein the video information retrieval request carries target information; splitting the target video to obtain a plurality of frame image pages; and retrieving the target information from the plurality of frames of image pages, and displaying the image pages with the target information. The method and the device realize the quick finding of the fragments meeting the self requirements in the dynamically changing video, reduce intermediate operations, have convenient and fast operation, high retrieval speed and high accuracy, increase the entertainment and greatly improve the user experience.
Fig. 2 shows an implementation flow of another video information retrieval method provided by an embodiment of the present invention, and for convenience of description, only the relevant parts of the embodiment of the present invention are shown, which are similar to the above-mentioned embodiment, except that the target information includes character information and text information.
In the embodiment of the present invention, the target information is used to determine video information to be searched in a current video, that is, a target video, and includes character information and text information, where the character information may be in a text form such as a character name, a general name, a serial number, and a grandma, or an indefinite character, the character form may be a dress, a Buddhist, or an image form such as a human exterior chart, an emoticon, and the text information exists in a text form such as a keyword or a sentence.
The step S102 specifically includes the following steps:
in step S201, a classified video matching the personal information is acquired in the target video.
In step S202, the classified video is divided based on a preset unit time length to obtain a plurality of video segments.
In the embodiment of the present invention, the preset unit time length may be set according to a terminal performance and/or an implementation requirement during a specific implementation, and the size of the preset unit time length is not specifically limited in the embodiment of the present invention, for example, the preset unit time length may be 5s, 10s, 20s, and the like.
In step S203, the video clip is split to obtain a plurality of frame image pages.
The step S103 specifically includes the following steps:
in step S204, subtitle information for the plurality of frames of image pages is acquired.
In the embodiment of the invention, the subtitle information is character information which is similar to segment data consisting of a plurality of sentences, words and characters.
In step S205, word segmentation processing is performed on the subtitle information to obtain word segmentation results.
In the embodiment of the present invention, the word segmentation processing is performed on the subtitle information, that is, the text segment data is segmented into a plurality of word forms, for example, the target information to be searched is "target information is retrieved in an image page", and the word segmentation result is "in, image, page, middle, retrieval, target, information", and after the word segmentation result is generated, the user may also perform adaptive modification according to the accuracy of the word segmentation result, for example, the "target, information" is modified into the "target information".
In the embodiment of the invention, the subtitle information is subjected to word segmentation to obtain word segmentation results, or a final word segmentation method is used, specifically, the subtitle information is subjected to full segmentation to generate a basic word element represented by an adjacent linked list. In addition, the word segmentation method of the text may be various text word segmentation methods, or may be represented by NGram with chinese characters as a unit, which is not limited herein.
In step S206, information whose similarity with the text information reaches a preset probability threshold is retrieved from the word segmentation result, and an image page corresponding to the information is displayed.
In the embodiment of the present invention, when the word segmentation result "is closest to the similarity between the image, the page, the middle, the search, the target, and the text information", the image page corresponding to the word segmentation result is the video information to be searched, and if the probability threshold is set to 40%, any 3 words or more identical to the text information appear in the word segmentation result (continuous 7 words) of the subtitle information in each image page, that is, it is determined that the similarity between the word segmentation result and the text information reaches the preset probability threshold.
In practical application, some words without real meaning in the word segmentation result can be further filtered, such as "of", "ground", "with", "we", "at", "and", etc., which have higher word frequency in the text, but are non-important lemmas, and can be filtered out when calculating the similarity probability.
According to the video information retrieval method provided by the embodiment of the invention, classified videos matched with the character information are obtained from the target video; dividing the classified video based on a preset unit time length to obtain a plurality of video segments; splitting the video clip to obtain a plurality of frame image pages; acquiring subtitle information of the plurality of frames of image pages; performing word segmentation processing on the subtitle information to obtain word segmentation results; and searching information of which the similarity with the text information reaches a preset probability threshold in the word segmentation result, and displaying an image page corresponding to the information. The method and the device realize the quick finding of the fragments meeting the self requirements in the dynamically changing video, reduce intermediate operations, have convenient and fast operation, high retrieval speed and high accuracy, increase the entertainment and greatly improve the user experience.
Fig. 3 shows an implementation flow of another video information retrieval method provided by an embodiment of the present invention, and for convenience of description, only the relevant parts related to the embodiment of the present invention are shown, which are similar to the above embodiments, except that the video information retrieval request further carries search range information.
In practical situations, when the video space to be searched is too long, the searching difficulty of the user is often increased, and the searching efficiency is reduced, for example, if the video information that the user wants to search exists in the 20 th to 40 th minutes of video playing, the conventional method needs to search the whole video clip, so that the searching efficiency is increased by further specifying the searching range area in the target video.
The step S103 further includes:
in step S301, a search area is determined in the image pages according to the search range information.
In the embodiment of the invention, if the search range information is determined to be the 20 th to 40 th minutes of the video progress bar playing, the search area is determined in the plurality of frames of image pages.
In step S302, the target information is searched in the search area, and an image page with the target information is displayed.
According to the video information retrieval method provided by the embodiment of the invention, the search area is determined in the plurality of frame image pages according to the search range information; and searching the target information in the search area, and displaying the image page with the target information. On one hand, the method and the device realize that the fragments meeting the self requirements are quickly found in the dynamically changing video, reduce intermediate operations, are convenient and fast to operate, have high retrieval speed and high accuracy, increase entertainment and greatly improve the user experience; on the other hand, the search range area can be randomly determined according to the user, time is saved, the search efficiency is further improved, and the use requirements of the user are better met.
Fig. 4 shows a block diagram of a video information retrieval apparatus according to an embodiment of the present invention, and for convenience of description, only the relevant parts related to the embodiment of the present invention are shown, and detailed descriptions are as follows:
a video information retrieval apparatus comprising: a retrieval request receiving unit 401, a video splitting unit 402, and a retrieval unit 403.
The retrieval request receiving unit 401 is configured to receive a video information retrieval request input by a user according to a target video, where the video information retrieval request carries target information.
In the embodiment of the present invention, the target information is used to determine the video information to be searched in the current video, that is, the target video, and may exist in a text form, such as a keyword or a sentence; the image can also exist in the form of an image, or both the forms exist simultaneously; in addition, the target information may be video information existing in the current video, or may be video information not existing in the current video; for example, if the currently played video is a certain even image play, the play relates to a character one, a character two, a character three, and the like, and the segment in which the character three exists is a segment to be searched, the target information may be the actual name of the actor in the character three or the name and the outer number of the actor in the play, or the character image picture of the character three in the play or the propaganda photo of the actor in the network, and if the character image picture of the character three in the play is, the character play can be directly captured through a conventional capture function; if a specific segment of the third person in a sentence is desired to be found, the target information may be the name or picture of the third person and a keyword corresponding to the sentence.
A video splitting unit 402, configured to split the target video to obtain a plurality of frame image pages.
A retrieving unit 403, configured to retrieve the target information from the plurality of image pages, and display the image page with the target information.
In the embodiment of the invention, when the range related by the target information is too large, a plurality of image pages which often accord with the range of the target information are provided, and the image pages which accord with the requirement of the target information can be displayed like a user one by one for the user to select.
According to the video information retrieval device provided by the embodiment of the invention, a video information retrieval request input by a user according to a target video is received, wherein the video information retrieval request carries target information; splitting the target video to obtain a plurality of frame image pages; and retrieving the target information from the plurality of frames of image pages, and displaying the image pages with the target information. The method and the device realize the quick finding of the fragments meeting the self requirements in the dynamically changing video, reduce intermediate operations, have convenient and fast operation, high retrieval speed and high accuracy, increase the entertainment and greatly improve the user experience.
Fig. 5 shows a block diagram of a further video information retrieval apparatus according to an embodiment of the present invention, and for convenience of description, only the relevant parts related to the embodiment of the present invention are shown, which is similar to the above-mentioned embodiment, except that the video splitting unit 402 specifically includes a classified video obtaining module 501, a video clip obtaining module 502, and a video clip splitting module 503.
The classified video obtaining module 501 is configured to obtain a classified video matched with the person information in the target video.
In the embodiment of the invention, the character information can be in a character form such as a character name, a general outer number and a grand script, or an uncertain character, the character form can be a dress and a vocal Buddhist in the grand script, or in an image form such as a human exterior chart, an expression chart and the like, and the text information exists in a character form such as a keyword and a sentence.
The video segment obtaining module 502 is configured to divide the classified video based on a preset unit time length to obtain a plurality of video segments.
The video clip splitting module 503 is configured to split the video clip to obtain a plurality of frame image pages.
In the embodiment of the present invention, the preset unit time length may be set according to a terminal performance and/or an implementation requirement during a specific implementation, and the size of the preset unit time length is not specifically limited in the embodiment of the present invention, for example, the preset unit time length may be 5s, 10s, 20s, and the like.
Fig. 6 shows a block diagram of another video information retrieval apparatus according to an embodiment of the present invention, and for convenience of description, only the relevant portions of the embodiment of the present invention are shown, which is similar to the above-mentioned embodiment, except that the retrieval unit 403 specifically includes a subtitle information obtaining module 601, a segmentation result obtaining module 602, and a retrieval module 603.
The subtitle information obtaining module 601 is configured to obtain subtitle information of the plurality of frames of image pages.
In the embodiment of the invention, the subtitle information is character information which is similar to segment data consisting of a plurality of sentences, words and characters.
The word segmentation result obtaining module 602 is configured to perform word segmentation processing on the subtitle information to obtain a word segmentation result.
In the embodiment of the present invention, the word segmentation processing is performed on the subtitle information, that is, the text segment data is segmented into a plurality of word forms, for example, the target information to be searched is "target information is retrieved in an image page", and the word segmentation result is "in, image, page, middle, retrieval, target, information", and after the word segmentation result is generated, the user may also perform adaptive modification according to the accuracy of the word segmentation result, for example, the "target, information" is modified into the "target information".
In the embodiment of the invention, the subtitle information is subjected to word segmentation to obtain word segmentation results, or a final word segmentation method is used, specifically, the subtitle information is subjected to full segmentation to generate a basic word element represented by an adjacent linked list. In addition, the word segmentation method of the text may be various text word segmentation methods, or may be represented by NGram with chinese characters as a unit, which is not limited herein.
The retrieving module 603 is configured to retrieve, from the word segmentation result, information whose similarity with the text information reaches a preset probability threshold, and display an image page corresponding to the information.
In the embodiment of the present invention, when the word segmentation result "is closest to the similarity between the image, the page, the middle, the search, the target, and the text information", the image page corresponding to the word segmentation result is the video information to be searched, and if the probability threshold is set to 40%, any 3 words or more identical to the text information appear in the word segmentation result (continuous 7 words) of the subtitle information in each image page, that is, it is determined that the similarity between the word segmentation result and the text information reaches the preset probability threshold.
In practical application, some words without real meaning in the word segmentation result can be further filtered, such as "of", "ground", "with", "we", "at", "and", etc., which have higher word frequency in the text, but are non-important lemmas, and can be filtered out when calculating the similarity probability.
According to the video information retrieval device provided by the embodiment of the invention, classified videos matched with the character information are obtained from the target video; dividing the classified video based on a preset unit time length to obtain a plurality of video segments; splitting the video clip to obtain a plurality of frame image pages; acquiring subtitle information of the plurality of frames of image pages; performing word segmentation processing on the subtitle information to obtain word segmentation results; and searching information of which the similarity with the text information reaches a preset probability threshold in the word segmentation result, and displaying an image page corresponding to the information. The method and the device realize the quick finding of the fragments meeting the self requirements in the dynamically changing video, reduce intermediate operations, have convenient and fast operation, high retrieval speed and high accuracy, increase the entertainment and greatly improve the user experience.
Fig. 7 shows a block diagram of a video information retrieval apparatus according to another embodiment of the present invention, and for convenience of description, only the relevant portions of the embodiment of the present invention are shown, which is similar to the above embodiments, except that the retrieval unit 403 specifically includes a search area determination module 701 and a retrieval module 702.
The search area determining module 701 is configured to determine a search area in the plurality of image pages according to the search range information.
In practical situations, when the video space to be searched is too long, the searching difficulty of the user is often increased, and the searching efficiency is reduced, for example, if the video information that the user wants to search exists in the 20 th to 40 th minutes of video playing, the conventional method needs to search the whole video clip, so that the searching efficiency is increased by further specifying the searching range area in the target video.
In the embodiment of the invention, if the search range information is determined to be the 20 th to 40 th minutes of the video progress bar playing, the search area is determined in the plurality of frames of image pages.
The retrieving module 702 is configured to retrieve the target information in the search area, and display an image page in which the target information exists.
According to the video information retrieval device provided by the embodiment of the invention, the search area is determined in the plurality of frame image pages according to the search range information; and searching the target information in the search area, and displaying the image page with the target information. On one hand, the method and the device realize that the fragments meeting the self requirements are quickly found in the dynamically changing video, reduce intermediate operations, are convenient and fast to operate, have high retrieval speed and high accuracy, increase entertainment and greatly improve the user experience; on the other hand, the search range area can be randomly determined according to the user, time is saved, the search efficiency is further improved, and the use requirements of the user are better met.
In one embodiment, a computer device is proposed, the computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
in step S101, a video information retrieval request entered by a user according to a target video is received, where the video information retrieval request carries target information.
In step S102, the target video is split to obtain a plurality of image pages.
In step S103, the target information is retrieved from the image pages of the frames, and the image page with the target information is displayed.
In one embodiment, a computer readable storage medium is provided, having a computer program stored thereon, which, when executed by a processor, causes the processor to perform the steps of:
in step S101, a video information retrieval request entered by a user according to a target video is received, where the video information retrieval request carries target information.
In step S102, the target video is split to obtain a plurality of image pages.
In step S103, the target information is retrieved from the image pages of the frames, and the image page with the target information is displayed.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in various embodiments may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
Those skilled in the art will appreciate that all or a portion of the processes in the methods of the embodiments described above may be implemented by computer programs that may be stored in a non-volatile computer-readable storage medium, which when executed, may include the processes of the embodiments of the methods described above, wherein any reference to memory, storage, database or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, non-volatile memory may include read-only memory (ROM), programmable ROM (prom), electrically programmable ROM (eprom), electrically erasable programmable ROM (eeprom), or flash memory, volatile memory may include Random Access Memory (RAM) or external cache memory, RAM is available in a variety of forms, such as static RAM (sram), Dynamic RAM (DRAM), synchronous sdram (sdram), double data rate sdram (ddr sdram), enhanced sdram (sdram), synchronous link (sdram), dynamic RAM (rdram) (rdram L), direct dynamic RAM (rdram), and the like, and/or external cache memory.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A method for retrieving video information, comprising:
receiving a video information retrieval request input by a user according to a target video, wherein the video information retrieval request carries target information;
splitting the target video to obtain a plurality of frame image pages;
and retrieving the target information from the plurality of frames of image pages, and displaying the image pages with the target information.
2. The video information retrieval method according to claim 1, wherein the target information includes character information and text information;
the step of splitting the target video to obtain a plurality of image pages specifically includes:
acquiring a classified video matched with the character information from the target video;
dividing the classified video based on a preset unit time length to obtain a plurality of video segments;
splitting the video clip to obtain a plurality of frame image pages;
the step of retrieving the target information from the plurality of frames of image pages and highlighting the image page with the target information includes:
acquiring subtitle information of the plurality of frames of image pages;
performing word segmentation processing on the subtitle information to obtain word segmentation results;
and searching information of which the similarity with the text information reaches a preset probability threshold in the word segmentation result, and displaying an image page corresponding to the information.
3. The video information retrieval method of claim 1, wherein the video information retrieval request further carries search range information;
the step of retrieving the target information from the plurality of frames of image pages and highlighting the image page with the target information includes:
determining a search area in the plurality of frame image pages according to the search range information;
and searching the target information in the search area, and displaying the image page with the target information.
4. A video information retrieval apparatus, comprising:
the retrieval request receiving unit is used for receiving a video information retrieval request input by a user according to a target video, wherein the video information retrieval request carries target information;
the video splitting unit is used for splitting the target video to obtain a plurality of frame image pages; and
and the retrieval unit is used for retrieving the target information in the plurality of frames of image pages and displaying the image pages with the target information.
5. The video information retrieval device according to claim 4, wherein the video splitting unit specifically includes:
the classified video acquisition module is used for acquiring a classified video matched with the character information from the target video;
the video clip acquisition module is used for dividing the classified videos based on a preset unit time length to obtain a plurality of video clips; and
and the video clip splitting module is used for splitting the video clip to obtain a plurality of frame image pages.
6. The video information retrieval device according to claim 4, wherein the retrieval unit specifically includes:
the caption information acquisition module is used for acquiring the caption information of the plurality of frames of image pages;
the word segmentation result acquisition module is used for carrying out word segmentation processing on the subtitle information to acquire a word segmentation result; and
and the retrieval module is used for retrieving information of which the similarity with the text information reaches a preset probability threshold in the word segmentation result and displaying an image page corresponding to the information.
7. The video information retrieval device according to claim 4, wherein the retrieval unit specifically includes:
the searching area determining module is used for determining searching areas in the plurality of frame image pages according to the searching range information; and
and the retrieval module is used for retrieving the target information in the search area and displaying the image page with the target information.
8. A computer device comprising a memory and a processor, the memory having stored therein a computer program that, when executed by the processor, causes the processor to perform the steps of the video information retrieval method of any of claims 1 to 3.
9. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor, causes the processor to carry out the steps of the video information retrieval method according to any one of claims 1 to 3.
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Application publication date: 20200724 |