CN104504109A - Image search method and device - Google Patents

Image search method and device Download PDF

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Publication number
CN104504109A
CN104504109A CN201410843496.9A CN201410843496A CN104504109A CN 104504109 A CN104504109 A CN 104504109A CN 201410843496 A CN201410843496 A CN 201410843496A CN 104504109 A CN104504109 A CN 104504109A
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picture
search
text message
text
module
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CN104504109B (en
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文石磊
李旭斌
陈世佳
秦首科
张泽明
韩友
江焱
陈志扬
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Baidu Online Network Technology Beijing Co Ltd
Beijing Baidu Netcom Science and Technology Co Ltd
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Beijing Baidu Netcom Science and Technology Co Ltd
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Priority to PCT/CN2015/083395 priority patent/WO2016107126A1/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/58Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/583Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
    • G06F16/5838Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using colour

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Library & Information Science (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The invention discloses an image search method and a device. The image search method comprises the following steps: receiving a search keyword input by a user; searching in an index, which is built in advance, of image text information according to the search keyword, and obtaining the index matched with the search keyword, wherein the image text information comprises text information which is obtained by content analysis on the image captured by a search engine; obtaining an image corresponding to the index matched with the search keyword, and displaying the image to the user. According to the image search method and the device, the image can be subjected to content analysis, and description of the image text information can be increased, so that more related images can be returned when the user searches, the requirements of the user can be relatively well met and the user experience degree is improved.

Description

Image searching method and device
Technical field
The present invention relates to Internet technical field, particularly relate to a kind of image searching method and device.
Background technology
The acquisition of picture relevant textual information, refers to by obtaining the relevant text chunk of picture, as the description to picture, for search pictures and/or understand picture and provide technical service more accurately.
The acquisition methods of common picture relevant textual information, be the text message by analyzing picture place webpage, extract some text chunks, the text as picture describes.Wherein, the attribute text of the heading message of picture place webpage, the link text of picture, picture and picture be all the text message of very effective description picture around text, above-mentioned information is for user search picture and/or to understand picture be necessary.In traditional photographic search engine, the network equipment, usually based on the search keyword of user, in the description collections of the relevant textual information of picture, utilizes and returns to one or more Search Results picture of user with technology such as searching for Keywords matching.
Therefore, user is when utilizing network equipment online retrieving image, can only retrieve based on the periphery text message of picture place webpage, so, for picture web page text lacking text descriptor, user just cannot retrieve, and cause user's request not met well, Consumer's Experience is poor.
Summary of the invention
Object of the present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.
For this reason, first object of the present invention is to propose a kind of image searching method.The method, by carrying out content analysis to picture, increases the description of picture text message, thus can return more more relevant pictures when user search, can meet the demand of user better, improves user experience.
Second object of the present invention is to propose a kind of picture searching device.
To achieve these goals, the image searching method of first aspect present invention embodiment, comprising: the search keyword receiving user's input; Search in the index of the picture text message set up in advance according to described search keyword, obtain the index with described search Keywords matching; Described picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition; Obtain the picture corresponding with the index of described search Keywords matching, and described picture is shown to described user.
The image searching method of the embodiment of the present invention, after receiving the search keyword of user's input, searches in the index of the picture text message set up in advance according to above-mentioned search keyword, obtains the index with above-mentioned search Keywords matching; And then obtain the picture corresponding with the index of above-mentioned search Keywords matching, and above-mentioned picture is shown to user, wherein above-mentioned picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition; The method by carrying out content analysis to picture, can increase the description of picture text message, thus can return more more relevant pictures when user search, and then can meet the demand of user better, improves user experience.
To achieve these goals, the picture searching device of second aspect present invention embodiment, comprising: receiver module, for receiving the search keyword of user's input; Search module, searches in the index of the picture text message set up in advance for the search keyword received according to described receiver module, obtains the index with described search Keywords matching; And obtain the picture corresponding with the index of described search Keywords matching; Described picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition; Display module, the picture for being obtained by described search module is shown to described user.
The picture searching device of the embodiment of the present invention, after receiver module receives the search keyword of user's input, search module is searched in the index of the picture text message set up in advance according to above-mentioned search keyword, obtain the index with above-mentioned search Keywords matching, and then obtain the picture corresponding with the index of above-mentioned search Keywords matching, and by display module, above-mentioned picture is shown to user, wherein above-mentioned picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition; The method by carrying out content analysis to picture, can increase the description of picture text message, thus can return more more relevant pictures when user search, and then can meet the demand of user better, improves user experience.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the process flow diagram of an image searching method of the present invention embodiment;
Fig. 2 (a) ~ Fig. 2 (b) to carry out the schematic diagram of a content analysis embodiment for the present invention to picture;
Fig. 3 (a) ~ Fig. 3 (b) to carry out the schematic diagram of another embodiment of content analysis for the present invention to picture;
Fig. 4 is the structural representation of a picture searching device of the present invention embodiment;
Fig. 5 is the structural representation of another embodiment of picture searching device of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
Fig. 1 is the process flow diagram of an image searching method of the present invention embodiment, and as shown in Figure 1, this image searching method can comprise:
Step 101, receives the search keyword of user's input.
Step 102, search in the index of the picture text message set up in advance according to above-mentioned search keyword, obtain the index with above-mentioned search Keywords matching, above-mentioned picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition.
Step 103, obtains the picture corresponding with the index of above-mentioned search Keywords matching, and above-mentioned picture is shown to above-mentioned user.
In a kind of implementation of the present embodiment, further, before receiving the search keyword of user's input, search engine can also carry out content analysis to the picture of this search engine collecting, obtains the text message of above-mentioned picture.
In the another kind of implementation of the present embodiment, further, before receiving the search keyword of user's input, search engine can also carry out content analysis to the picture of this search engine collecting and analyze the text of above-mentioned picture place webpage, obtains the text message of above-mentioned picture.
Particularly, carrying out content analysis to the picture of search engine collecting can be: analyze at least one in the object information in the picture of search engine collecting, landscape information, people information and Word message.Namely analyze from the angle of image content, include but not limited to analyze at least one in the information such as object information, landscape information, people information and the Word message in picture.
Fig. 2 (a) ~ Fig. 2 (b) to carry out the schematic diagram of a content analysis embodiment for the present invention to picture, the picture that Fig. 2 (a) is search engine collecting, Fig. 2 (b) is the text message of the shown picture of Fig. 2 (a) picture Fig. 2 (a) Suo Shi being carried out to content analysis acquisition.In Fig. 2 (b), text in " classification " these row is text message picture Fig. 2 (a) Suo Shi being carried out to content analysis acquisition, and the probability in " probability " these row is the probability that shown in Fig. 2 (a), picture belongs to every text message.
Fig. 3 (a) ~ Fig. 3 (b) to carry out the schematic diagram of another embodiment of content analysis for the present invention to picture, the picture that Fig. 3 (a) is search engine collecting, Fig. 3 (b) is the text message of the shown picture of Fig. 3 (a) picture Fig. 3 (a) Suo Shi being carried out to Text region acquisition.Word message is comprised in picture shown in Fig. 3 (a), Word message in picture Fig. 3 (a) Suo Shi is identified, obtain the text message shown in Fig. 3 (b), as can be seen from Fig. 3 (a) and Fig. 3 (b), due to the impact of the factors such as picture clarity, Word message in the result of Text region and former figure may have certain error, but this does not affect realization of the present invention, the text message obtained is still the text message of very effective description picture.
Particularly, carrying out analysis to the text of above-mentioned picture place webpage can be: analyze the text in the structured field of above-mentioned picture place webpage, and the structured field of above-mentioned picture place webpage comprises the web page title field of above-mentioned webpage, Anchor Text field and/or picture attribute field.
In above-mentioned two kinds of implementations, after obtaining the text message of above-mentioned picture, before receiving the search keyword of user's input, search engine can also arrange the text message of above-mentioned picture, sets up the index of the text message of above-mentioned picture.
Particularly, search engine carries out arrangement to the text message of above-mentioned picture and can be: the text message of search engine to above-mentioned picture cuts the process such as word.
In above-described embodiment, after receiving the search keyword of user's input, search in the index of the picture text message set up in advance according to above-mentioned search keyword, obtain the index with above-mentioned search Keywords matching; And then obtain the picture corresponding with the index of above-mentioned search Keywords matching, and above-mentioned picture is shown to user, wherein above-mentioned picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition; The method by carrying out content analysis to picture, can increase the description of picture text message, thus can return more more relevant pictures when user search, and then can meet the demand of user better, improves user experience.
Fig. 4 is the structural representation of a picture searching device of the present invention embodiment, picture searching device in the present embodiment can as search engine, or a part for search engine realizes the present invention's flow process embodiment illustrated in fig. 1, as shown in Figure 4, this picture searching device can comprise: receiver module 41, search module 42 and display module 43;
Wherein, receiver module 41, for receiving the search keyword of user's input;
Search module 42, searches in the index of the picture text message set up in advance for the search keyword received according to receiver module 41, obtains the index with above-mentioned search Keywords matching; And obtain the picture corresponding with the index of above-mentioned search Keywords matching; Wherein, above-mentioned picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition;
Display module 43, the picture for being obtained by search module 42 is shown to above-mentioned user.
In above-mentioned picture searching device, after receiver module 41 receives the search keyword of user's input, search module 42 is searched in the index of the picture text message set up in advance according to above-mentioned search keyword, obtain the index with above-mentioned search Keywords matching, and then obtain the picture corresponding with the index of above-mentioned search Keywords matching, and by display module 43, above-mentioned picture is shown to user, wherein above-mentioned picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition; The method by carrying out content analysis to picture, can increase the description of picture text message, thus can return more more relevant pictures when user search, and then can meet the demand of user better, improves user experience.
Fig. 5 is the structural representation of another embodiment of picture searching device of the present invention, and compared with the picture searching device shown in Fig. 4, difference is, in a kind of implementation of the present embodiment, the picture searching device shown in Fig. 5 can also comprise: obtain module 44;
Obtain module 44, for receive at receiver module 41 user input search keyword before, content analysis is carried out to the picture of search engine collecting, obtains the text message of above-mentioned picture.
In the another kind of implementation of the present embodiment, the picture searching device shown in Fig. 5 can also comprise: obtain module 44;
Obtain module 44, for receive at receiver module 41 user input search keyword before, content analysis carried out to the picture of search engine collecting and the text of above-mentioned picture place webpage analyzed, obtaining the text message of above-mentioned picture.
Particularly, obtaining module 44 for carrying out content analysis to the picture of search engine collecting can be: obtain module 44, specifically for analyzing at least one in the object information in the picture of search engine collecting, landscape information, people information and Word message.Namely analyze from the angle of image content, include but not limited to analyze at least one in the information such as object information, landscape information, people information and the Word message in picture.
See Fig. 2 (a) ~ Fig. 2 (b), the picture that Fig. 2 (a) is search engine collecting, Fig. 2 (b) is the text message of the shown picture of Fig. 2 (a) picture Fig. 2 (a) Suo Shi being carried out to content analysis acquisition.In Fig. 2 (b), text in " classification " these row is text message picture Fig. 2 (a) Suo Shi being carried out to content analysis acquisition, and the probability in " probability " these row is the probability that shown in Fig. 2 (a), picture belongs to every text message.
Continue see Fig. 3 (a) ~ Fig. 3 (b), the picture that Fig. 3 (a) is search engine collecting, Fig. 3 (b) is the text message of the shown picture of Fig. 3 (a) picture Fig. 3 (a) Suo Shi being carried out to Text region acquisition.Word message is comprised in picture shown in Fig. 3 (a), Word message in picture Fig. 3 (a) Suo Shi is identified, obtain the text message shown in Fig. 3 (b), as can be seen from Fig. 3 (a) and Fig. 3 (b), due to the impact of the factors such as picture clarity, Word message in the result of Text region and former figure may have certain error, but this does not affect realization of the present invention, the text message obtained is still the text message of very effective description picture.
Particularly, obtaining module 44 for carrying out analysis to the text of above-mentioned picture place webpage can be: obtain module 44, analyze specifically for the text in the structured field to above-mentioned picture place webpage, the structured field of above-mentioned picture place webpage comprises the web page title field of above-mentioned webpage, Anchor Text field and/or picture attribute field.
In the present embodiment, picture searching device can also comprise: set up module 45, after obtaining the text message of above-mentioned picture in acquisition module 44, before receiver module 41 receives the search keyword of user's input, the text message of above-mentioned picture is arranged, sets up the index of the text message of above-mentioned picture.
Above-mentioned picture searching device can return more more relevant pictures when user search, and then can meet the demand of user better, improves user experience.
Image searching method provided by the invention and device, on the one hand, can increase the description of picture relevant textual information, thus can obtain more picture search result when search pictures by analyzing image content; On the other hand, in the picture search result of some classification, such as have on the picture of commercial value, based on the image content identification of picture optical character identification, more accurate picture related text can be brought, can meet consumers' demand more accurately.Therefore no matter image searching method provided by the invention and device is at picture searching or on the advertisement figure with commercial value, can improve the performance of search or figure significantly.
It should be noted that, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (Programmable Gate Array; Hereinafter referred to as: PGA), field programmable gate array (Field ProgrammableGate Array; Hereinafter referred to as: FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional module in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of modules exists, also can two or more module integrations in a module.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.

Claims (12)

1. an image searching method, is characterized in that, comprising:
Receive the search keyword of user's input;
Search in the index of the picture text message set up in advance according to described search keyword, obtain the index with described search Keywords matching; Described picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition;
Obtain the picture corresponding with the index of described search Keywords matching, and described picture is shown to described user.
2. method according to claim 1, is characterized in that, before the search keyword of described reception user input, also comprises:
Content analysis is carried out to the picture of search engine collecting, obtains the text message of described picture.
3. method according to claim 1, is characterized in that, before the search keyword of described reception user input, also comprises:
Content analysis carried out to the picture of search engine collecting and the text of described picture place webpage is analyzed, obtaining the text message of described picture.
4. according to the method in claim 2 or 3, it is characterized in that, after the text message of the described picture of described acquisition, before the search keyword of described reception user input, also comprise:
The text message of described picture is arranged, sets up the index of the text message of described picture.
5. according to the method in claim 2 or 3, it is characterized in that, the described picture to search engine collecting carries out content analysis and comprises:
At least one in object information in the picture of search engine collecting, landscape information, people information and Word message is analyzed.
6. method according to claim 3, is characterized in that, the described text to described picture place webpage carries out analysis and comprises:
Analyze the text in the structured field of described picture place webpage, the structured field of described picture place webpage comprises the web page title field of described webpage, Anchor Text field and/or picture attribute field.
7. a picture searching device, is characterized in that, comprising:
Receiver module, for receiving the search keyword of user's input;
Search module, searches in the index of the picture text message set up in advance for the search keyword received according to described receiver module, obtains the index with described search Keywords matching; And obtain the picture corresponding with the index of described search Keywords matching; Described picture text message comprises the text message picture of search engine collecting being carried out to content analysis acquisition;
Display module, the picture for being obtained by described search module is shown to described user.
8. device according to claim 7, is characterized in that, also comprises: obtain module;
Described acquisition module, for before the search keyword of described receiver module reception user input, carries out content analysis to the picture of search engine collecting, obtains the text message of described picture.
9. device according to claim 7, is characterized in that, also comprises: obtain module;
Described acquisition module, for before the search keyword of described receiver module reception user input, carries out content analysis to the picture of search engine collecting and analyzes the text of described picture place webpage, obtaining the text message of described picture.
10. device according to claim 8 or claim 9, is characterized in that, also comprise:
Set up module, after obtaining the text message of described picture in described acquisition module, described receiver module arranges the text message of described picture, sets up the index of the text message of described picture before receiving the search keyword of user's input.
11. devices according to claim 8 or claim 9, is characterized in that, described acquisition module is used for carrying out content analysis to the picture of search engine collecting and comprises:
Described acquisition module, specifically for analyzing at least one in the object information in the picture of search engine collecting, landscape information, people information and Word message.
12. devices according to claim 9, is characterized in that, described acquisition module is used for carrying out analysis to the text of described picture place webpage and comprises:
Described acquisition module, analyzes specifically for the text in the structured field to described picture place webpage, and the structured field of described picture place webpage comprises the web page title field of described webpage, Anchor Text field and/or picture attribute field.
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