WO2021218921A1

WO2021218921A1 - System and method for extraction of a video thumbnail from a video file

Info

Publication number: WO2021218921A1
Application number: PCT/CN2021/089930
Authority: WO
Inventors: Abhinav Purwar; Viral Harendra Upadhyaya; Prateek Srivastava
Original assignee: Guangdong Oppo Mobile Telecommunications Corp., Ltd.
Priority date: 2020-04-27
Filing date: 2021-04-26
Publication date: 2021-11-04

Abstract

The present disclosure provides methods and system for extraction of a video thumbnail from a video file, the video file being associated with one or more first parameters. The method dynamically identifies by an optimum optimizer, an optimum extractor based on the first parameters of the video file and historical data. The method further extracts, by the optimum extractor, one or more tracks, each track being associated with one or more second parameters. Thereafter the method dynamically identifies, by the optimum optimizer, an optimum decoder based on the one or more second parameters and the historical data. Further the method decodes the one or more tracks by the dynamically identified optimum decoder. The method then extracts by a thumbnail extractor unit, a video thumbnail based on the decoding.

Description

SYSTEM AND METHOD FOR EXTRACTION OF A VIDEO THUMBNAIL FROM A VIDEO FILE

FIELD OF INVENTION

The present disclosure generally relates to the field of data extraction and more particularly to a system and method for extraction of a video thumbnail from a video file.

BACKGROUND

This section is intended to provide information relating to field of the present disclosure and thus any approach or functionality described below should not be assumed to be qualified as prior art merely by its inclusion in this section.

The technologies now-a-days have enabled the smart user devices to generate videos at any instant of time and also a user via a user equipment/user device, is able to download via world-wide-web, one or more videos of his interest. Further, in many instances, a number of videos are saved at a user equipment and an identification of the stored videos is further provided to the user via one or more video thumbnails.

Video thumbnails are reduced and extracted part of one or more videos. It is a small image representation of the video. The video thumbnail leaves an impression on a user and assist the user to identify a video of his requirement and or interest. Also, a video thumbnail helps in managing and organising the video. The existing thumbnail extraction solutions have many limitations and there is a need for improvement in this area of technology.

SUMMARY

This section is provided to introduce certain objects and aspects of the present disclosure in a simplified form that are further described below in the detailed description. This summary is not intended to identify the key features or the scope of the claimed subject matter.

In order to overcome at least a few problems associated with the known solutions as provided in the previous section, an object of the present disclosure is to provide a novel method and system for extraction of a video thumbnail from a video file. It is another object of the present disclosure to provide a smart and dynamic solution for extraction of a video thumbnail from a video file. It is also an object of the present disclosure to learn and improves the performance of video thumbnail extraction with time. Yet another object of the present disclosure is to provide significantly fast extraction of video thumbnails as compared to the prior art solutions. Also, another object of the present disclosure is to choose the best parser/extractor and component at first time rather than trying all of the extractors and the components present in a user equipment and/or in a system. One more object of the present disclosure is to provide a very fast processing time leading to a good user experience. Yet another object of the present disclosure is to reduce the power consumption by avoiding trying all of the extractors and the components present in a user equipment and/or in a system for the video thumbnail extraction.

In order to achieve the afore-mentioned objectives, the present disclosure provides a method and system for extraction of a video thumbnail from a video file.

One aspect of the present disclosure relates to a method for extraction of a video thumbnail from a video file, the video file being associated with one or more first parameters. The method comprises dynamically identifying, by an optimum optimizer, an optimum extractor based on the first parameters of the video file and historical data. Further the method comprises extracting, by the optimum extractor, one or more tracks, each track being associated with one or more second parameters. Also, the method further encompasses dynamically identifying, by said the optimum optimizer, an optimum decoder based on the one or more second parameters and the historical data. The method further leads to decoding, by the optimum decoder, the one or more tracks. Thereafter the method comprises extracting, by a thumbnail extractor unit, a video thumbnail based on the decoding.

Another aspect of the present disclosure relates to a system for extraction of a video thumbnail from a video file, the video file being associated with one or more first parameters. The system further comprising an optimum optimizer configured to dynamically identify an optimum extractor based on the first parameters of the video file and historical data, wherein the optimum extractor is further configured to extract, one or more tracks, each track being associated with one or more second parameters. Also, the optimum optimizer is further configured to identify an optimum decoder based on the one or more second parameters and the historical data. The identified optimum decoder further configured to decode the one or more tracks. Further the system comprises a thumbnail extractor unit, configured to extract a video thumbnail based on the decoding.

Yet another aspect of the present disclosure relates to a user equipment for extraction of a video thumbnail from a video file, the video file being associated with one or more first parameters. The user equipment comprises a system. The system further configured to dynamically identify an optimum extractor based on the first parameters of the video file and historical data, wherein the optimum extractor is further configured to extract, one or more tracks, each track being associated with one or more second parameters. The system further configured to dynamically identify an optimum decoder based on the one or more second parameters and the historical data, wherein the optimum decoder is further configured to decode the one or more tracks. Thereafter the system is configured to extract via a thumbnail extractor unit, a video thumbnail based on the decoding.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which are incorporated herein, and constitute a part of this disclosure, illustrate exemplary embodiments of the disclosed methods and systems in which like reference numerals refer to the same parts throughout the different drawings. Components in the drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the present disclosure. Some drawings may indicate the components using block diagrams and may not represent the internal circuitry of each component. It will be appreciated by those skilled in the art that disclosure of such drawings includes disclosure of electrical components, electronic components or circuitry commonly used to implement such components.

FIG. 1 illustrates a block diagram of the system [100] for extraction of a video thumbnail from a video file, in accordance with exemplary embodiment of the present disclosure.

FIG. 2 illustrates an exemplary method [200] for extraction of a video thumbnail from a video file, in accordance with exemplary embodiment of the present disclosure.

The foregoing shall be more apparent from the following more detailed description of the disclosure.

DETAILED DESCRIPTION

In the following description, for the purposes of explanation, various specific details are set forth in order to provide a thorough understanding of embodiments of the present disclosure. It will be apparent, however, that embodiments of the present disclosure may be practiced without these specific details. Several features described hereafter can each be used independently of one another or with any combination of other features. An individual feature may not address any of the problems discussed above or might address only some of the problems discussed above. Some of the problems discussed above might not be fully addressed by any of the features described herein.

A number of methods have been developed over a period of time for extraction of the video thumbnails. For instance, a typical process for extraction of thumbnail uses a complete system in a static manner. The video files are first passed through each parser/extractor registered with the system to find the best match parser/extractor. Thereafter, upon successful identification of the best match parser, the best parser is initialized, to provide the number of tracks such as audio, video, thumbnail, etc. Further, the system chooses a decoder present in the system for the video track to decode. Also, in the system multiple decoder components are present like hardware decoders, software decoders and the combination of the both.

The process to choose a decoder is also static and predefined. Firstly, existing solutions use matched hardware decoder, and if hardware decoder fails then the system falls back to software decoders. Therefore, the process is a long process and takes significant high time in thumbnail extraction, further leading to a bad user experience. Also, the corrupt and special files generally take a lot of time and system seems stuck in that scenarios. Furthermore, the same legacy methods are being implemented in the high specification user equipment/smart devices, and further results into lag and slowness in extraction of video thumbnail.

In view of these and other existing limitations, there arises an imperative need to provide a solution to overcome the limitations of prior existing solutions and to provide a more efficient method and system of extraction a video thumbnail from a video file.

The present disclosure provides the users, a solution to smartly extract one or more thumbnails from a video, by dynamically choosing the extraction and decoder component. The present disclosure encompasses extraction of a video thumbnail from a video file, wherein the video file being associated with one or more first parameters. The first parameter may include but not limited to a file type, a track and any such other information related to the video file. Thereafter, the present disclosure dynamically identifies an optimum extractor based on the first parameters of the video file and historical data.

Also, the present disclosure in order to dynamically identify the optimum extractor, further encompasses comparing the first parameters of the video file with a set of previously identified parameters. Further, the present disclosure encompasses identifying at least one set of parameters from the set of previously identified parameters based on the comparison. Thereafter, the present disclosure encompasses identifying the optimum extractor based on the identified at least one set of parameters. The identified at least one set of parameters are identified from the set of previously identified parameters and the at least one set of parameters further comprises the parameters similar to the first set of parameters. For instance, in an event the identified at least one set of parameters comprises a file type indicating a time lapse video in MP4 format and a video track of 1 minute duration having 180 frames, in the instance a corresponding optimum/best-matched extractor will be identified based on the identified file type and the video track.

Also, the historical data is further based on a file type, an extraction time of a pre-identified extractor, a decoding time of a pre-identified decoder, a success rate of the pre-identified decoder and a success rate of the pre-identified extractor.

Thereafter, the present disclosure also encompasses extraction of one or more tracks by the optimum extractor, wherein each track being associated with one or more second parameters. The second parameters comprises at least one of a bit rate, a resolution, a profile, a frame type and any other such similar information of the extracted one or more track.

Further the present disclosure dynamically identifies an optimum decoder based on the one or more second parameters. Also, the dynamically identified optimum decoder further decodes the one or more tracks. The present disclosure thereafter encompasses extracting, a video thumbnail based on the decoding.

Furthermore, the present disclosure also encompasses storing a list of pre-identified extractors and decoders, based on a pre-identified extraction of a video thumbnail. The list of extractors and decoders is updated by the present disclosure by adding the identified optimum extractor and identified optimum decoder to the list. The present disclosure also encompasses updating in the list a record of the combination of the extractor and the decoder used for the extraction of a thumbnail/video thumbnail of a particular video file. Also, the record is updated and stored via the present disclosure after each successful extraction of a video thumbnail from a video file.

As used herein, “user device” , “smart device” and/or “electronic device” , may be any electrical, electronic, electromechanical and computing device or equipment, having one or more input unit installed on it. The electronic device may include, but is not limited to, a mobile phone, smart phone, laptop, a general-purpose computer, desktop, personal digital assistant, tablet computer, wearable device or any other computing device which is capable of implementing the features of the present disclosure and is obvious to a person skilled in the art.

As user herein, “extractor” refers to a media content parser/extractor and the extractor comprises at least one parameter relating to at least one media content. The at least one parameter relating to the extractor further includes but not limited to a file type, a track, one or more codec components and the like.

As used herein, “track” comprises a plurality of frames arranged in sequential manner to generate at least one of a video track, thumbnail track and the like.

As used herein, “dynamic identification" or “dynamically identifying” refers to a non-static and continuous identification. Also, the dynamic identification further refers to one or more identifications based on one or more types of parameters, for instance the identification will be based on the types of parameters and for different parameters the identification will be different.

As used herein, “storage unit” refers to a machine or computer-readable medium including any mechanism for storing information in a form readable by a computer or similar machine. For example, a computer-readable medium includes read-only memory ( “ROM” ) , random access memory ( “RAM” ) , magnetic disk storage media, optical storage media, flash memory devices or other types of machine-accessible storage media.

The present disclosure is further explained in detail below with reference now to the diagrams.

FIG. 1 illustrates a system [100] for extraction of a video thumbnail from a video file, in accordance with exemplary embodiment of the present disclosure. As shown in Fig. 1, the system [100] comprises at least one optimum optimizer [102] , at least one optimum extractor [104] , at least one optimum decoder [106] , at least one storage unit [108] and at least one thumbnail extractor unit [110] , wherein all the components are assumed to be connected to each other unless otherwise indicated below. Also, in Fig. 1 only one optimum optimizer [102] , only one optimum extractor [104] , only one optimum decoder [106] , only one storage unit [108] and only one thumbnail extractor unit [110] is shown, however the system [100] may comprises multiple such units and modules or the system may comprise any such numbers of the units and modules, obvious to a person skilled in the art to implement the features of the present disclosure. Also, there may be one or more subunits of the units and modules of the system [100] and the same is not shown in the Fig. 1 for the purpose of clarity.

The optimum optimizer [102] of the present disclosure is coupled to the optimum extractor [104] , optimum decoder [106] , storage unit [108] and the thumbnail extractor unit [110] . The optimum optimizer [102] is a unit configured to perform the various tasks of the present disclosure in an efficient manner. The optimum optimizer [102] is configured to dynamically identify an optimum extractor [104] based on the first parameters of the video file and historical data, wherein the optimum extractor [104] is further configured to extract, one or more tracks, each track being associated with one or more second parameters.

The first parameters of the video file further comprises at least one of a file type, a track of the video file and the other similar parameter of the video file. In an instance the file type may be one of a MPG, MP2, MPEG, MPE, MPV, AVI, WMV, MP4, M4P, M4V and any other similar file type as may be obvious to a person skilled in the art to implement the features of the present disclosure . Also, the track of the video file may comprise a video track, a thumbnail track or any other similar track as may be obvious to a person skilled in the art to implement the features of the present disclosure.

Also, the optimum optimizer [102] in order to dynamically identify the optimum extractor [104] , is further configured to, compare the first parameters of the video file with a set of previously identified parameters and also to identify at least one set of parameters from the set of previously identified parameters based on the comparison. Also, thereafter the optimum optimizer [102] identifies the optimum extractor [104] based on the identified at least one set of parameters. Further, in an instance, the optimum extractor [104] is identified from stored pre-identified extractors and in one other instance the optimum extractor is a new optimum extractor [104] .

The identified at least one set of parameters are identified from the set of previously identified parameters and the at least one set of parameters further comprises the parameters similar to the first set of parameters.

Further the historical data is a pre-defined data and is associated with at least one set of previously identified parameters. The historical data is based on at least one of a file type, an extraction time of a pre-identified extractor, a decoding time of a pre-identified decoder, a success rate of the pre-identified decoder, a success rate of the pre-identified extractor and the other parameters relating to a pre-extracted video thumbnail and are obvious to a person skilled in the art.

Also, the second parameters comprises at least one of a bit rate, a resolution, a profile, a frame type and any other similar information related to the one or more tracks.

The optimum optimizer [102] further configured to identify an optimum decoder [106] based on the one or more second parameters and the historical data. The identified optimum decoder [106] , further configured to decode the one or more tracks. For example, in order to decode a track of a slow motion video associated with an mp4 file type, the optimum optimizer [102] identifies the optimum decoder [106] on the basis of at least one parameter associated with the track of the slow motion video. For instance the associated parameter comprises an exposure value and a resolution details, the optimum optimizer [102] then analyze the exposure value and resolution details and further compares the analysis with a pre-stored similar historical data. Further on the basis of the comparison the optimum optimizer [102] identifies the optimum decoder [106] to decode the track with the associated parameters of exposure value and resolution details. In an instance, the optimum decoder [106] is identified from the pre-identified decoders and in one other instance the optimum decoder [106] is a new optimum decoder [106] .

The storage unit [108] of the system [100] is configured to store at least one set of previously identified parameters of one or more video file types and the pre-defined historical data associated with the at least one set of previously identified parameters. Also, the storage unit [108] is configured to store a list of extractors and decoders, wherein the extractors and decoders are the pre-identified extractors and the pre-identified decoders identified for the extraction of video thumbnails of one or more video files. In an instance the stored list also comprises a record of one or more pre-identified combinations of the extractors and the decoders used for the successful extraction of one or more thumbnails/video thumbnails of one or more video file types.

The thumbnail extractor unit [110] of the system [100] is further configured to extract a video thumbnail of the video file, wherein the extraction of the thumbnail is based on the decoding of the one or more tracks.

Furthermore, the optimum optimizer [102] is also configured to update the stored list of extractors and decoders, based on the extraction of the video thumbnail of the video file, by adding the details of the identified optimum extractor and identified optimum decoder to the list. Similarly in an instance the optimum optimizer [102] also configured to update the record of one or more pre-identified combinations of the extractors and the decoders used for the successful extraction of a thumbnail/video thumbnail of a particular video file type.

Also, the storage unit [108] of the system [100] is further configured to store the details of the video thumbnail extracted from the video file, wherein the details are stored in the form of a reference historical data and a reference pre-identified parameters for an extraction of one or more video thumbnail from a new similar video file.

Referring to Fig. 2, an exemplary method flow diagram [200] , depicting method for extraction of a video thumbnail from a video file, in accordance with exemplary embodiment of the present disclosure is shown. As shown in Fig. 2, the method begins at step [202] .

At step [204] , the method comprises dynamically identifying, by an optimum optimizer [102] , an optimum extractor [104] based on the first parameters of the video file and historical data. The first parameters of the video file further comprises at least one of a file type, a track of the video file and the other similar parameter of the video file. In an instance the file type may be one of a MPG, MP2, MPEG, MPE, MPV, AVI, WMV, MP4, M4P, M4V and any other similar file type as may be obvious to a person skilled in the art to implement the features of the present disclosure. Also, the track of the video file may comprise a video track, a thumbnail track or any other similar track as may be obvious to a person skilled in the art to implement the features of the present disclosure.

Further, the method in order to dynamically identify the optimum extractor [104] , encompasses comparing the first parameters of the video file with a set of previously identified parameters. Also, the method thereafter identifies at least one set of parameters from the set of previously identified parameters based on the comparison and the method then comprises identifying the optimum extractor [104] based on the identified set of parameters. Further, in an instance, the optimum extractor [104] is identified from stored pre-identified extractors and in one other instance the optimum extractor is a new optimum extractor [104] .

The identified at least one set of parameters are identified from the set of previously identified parameters and the at least one set of parameters further comprises the parameters similar to the first set of parameters. Also, the set of previously identified parameters encompasses one or more previously stored identified parameters associated with one or more pre-extracted video thumbnails of one or more video file types.

Also, the pre-identified extractors and pre-identified decoders are identified form one or more pre-extracted video thumbnails of one or more video file types and are stored at a storage unit [108] as a stored list. In an instance the stored list also comprises a record of one or more pre-identified combinations of the extractors and the decoders used for the successful extraction of one or more thumbnails/video thumbnails of one or more video file types.

Next, at step [206] , the method comprises extracting, by the optimum extractor, one or more tracks, each track being associated with one or more second parameters. Also, the second parameters comprises at least one of a bit rate, a resolution, a profile, a frame type and any other similar information related to the one or more tracks.

Next, at step [208] , the method comprises dynamically identifying, by the optimum optimizer [102] , an optimum decoder [106] based on the one or more second parameters and the historical data. Also, at step [210] , the method comprises decoding, by the optimum decoder [106] , the one or more tracks. For example, in order to decode a track of a time-lapsed video associated with an avi file type, the method via the optimum optimizer [102] identifies the optimum decoder [106] on the basis of at least one parameter associated with the track of the time-lapsed video. For instance the associated parameter comprises a bit rate details, the method then analyses the bit rate details and further compares the analysis with a pre-stored similar historical data associated with similar video file type. Further on the basis of the comparison the method identifies the optimum decoder [106] to decode the track with the associated parameters of bit rate details. In an instance, the optimum decoder [106] may be identified from the pre-identified stored decoders and in one other instance the optimum decoder [106] may be a new optimum decoder [106] .

Thereafter at step [212] , the method comprises extracting, by a thumbnail extractor unit [110] , a video thumbnail based on the decoding of the one or more tracks.

Furthermore, the method also encompasses updating the stored list of extractors and decoders, based on the extraction of the video thumbnail of the video file, by adding the details of the identified optimum extractor and identified optimum decoder to the list. Similarly, in an instance the method also configured to update the record of one or more pre-identified combinations of the extractors and the decoders used for the successful extraction of at least one thumbnail/video thumbnail of at least one video file type.

Also, the method comprises storing at the storage unit [108] , the details of the video thumbnail extracted from the video file, wherein the details are stored in the form of a reference historical data and a reference pre-identified parameters for an extraction of one or more video thumbnail from a new similar video file type.

After successful extraction of a video thumbnail from a video file, the method further terminates at step [214] .

Furthermore, the one more aspect of the present disclosure relates to user equipment for extraction of a video thumbnail from a video file, the video file being associated with one or more first parameters. The user device comprises a system [100] , wherein the system [100] configured to dynamically identify via an optimum optimizer [102] , an optimum extractor [104] based on the first parameters of the video file and historical data, wherein the optimum extractor [104] is further configured to extract, one or more tracks, each track being associated with one or more second parameters.

The first parameters comprises at least one of a file type, a track of the video file and the other similar data and the second parameters comprises at least one of a bit rate, a resolution, a profile and a frame type.

The historical data is a pre-defined data and is associated with at least one set of previously identified parameters. The historical data is based on at least one of a file type, an extraction time of a pre-identified extractor, a decoding time of a pre-identified decoder, a success rate of the pre-identified decoder, a success rate of the pre-identified extractor and the other parameters relating to a pre-extracted video thumbnail and are obvious to a person skilled in the art.

Further, the system [100] stores at the storage unit [108] of the system [100] , the at least one set of previously identified parameters of one or more video file types and the pre-defined historical data associated with the at least one set of previously identified parameters. Also, the storage unit [108] is configured to store a list of extractors and decoders, wherein the extractors and decoders are the pre-identified extractors and the pre-identified decoders identified for the extraction of video thumbnails of one or more video files. In an instance the stored list also comprises a record of one or more pre-identified combinations of the extractors and the decoders used for the successful extraction of one or more thumbnails/video thumbnails of one or more video file types.

Thereafter the system [100] is configured to dynamically identify an optimum decoder based on the one or more second parameters and the historical data, wherein the optimum decoder is further configured to decode the one or more tracks.

Further, the system [100] extracts via a thumbnail extractor unit [110] , a video thumbnail based on the decoding of the one or more tracks.

While considerable emphasis has been placed herein on the disclosed embodiments, it will be appreciated that many embodiments can be made and that many changes can be made to the embodiments without departing from the principles of the present disclosure. These and other changes in the embodiments of the present disclosure will be apparent to those skilled in the art, whereby it is to be understood that the foregoing descriptive matter to be implemented is illustrative and non-limiting.

Claims

A method for extraction of a video thumbnail from a video file, the video file being associated with one or more first parameters:

- dynamically identifying, by an optimum optimizer [102] , an optimum extractor [104] based on the first parameters of the video file and historical data;

- extracting, by the optimum extractor [104] , one or more tracks, each track being associated with one or more second parameters;

- dynamically identifying, by the optimum optimizer [102] , an optimum decoder [106] based on the one or more second parameters and the historical data;

- decoding, by the optimum decoder [106] , the one or more tracks; and

- extracting, by a thumbnail extractor unit [110] , a video thumbnail based on the decoding.
The method as claimed in claim 1, wherein the first parameters comprises at least one of a file type and a track of the video file.
The method as claimed in claim 1, wherein the second parameters comprises at least one of a bit rate, a resolution, a profile and a frame type.
The method as claimed in claim 1, the method comprising updating a list of extractors and decoders, based on the extraction of the video thumbnail.
The method as claimed in claim 1, wherein dynamically identifying, by the optimum optimizer [102] , the optimum extractor [104] based on the first parameters of the video file and the historical data further comprises:

- comparing the first parameters of the video file with a set of previously identified parameters;

- identifying at least one set of parameters from the set of previously identified parameters based on the comparison; and

- identifying the optimum extractor based on the identified set of parameters.
The method as claimed in claim 5 wherein the at least one set of parameters comprises parameters similar to the first set of parameters.
The method as claimed in claim 1, wherein the historical data is based on an extraction time of the optimum extractor, a decoding time of the optimum decoder, a success rate of optimum decoder and a success rate of optimum extractor.
A system for extraction of a video thumbnail from a video file, the video file being associated with one or more first parameters, the system comprising:

- an optimum optimizer [102] configured to dynamically identify an optimum extractor [104] based on the first parameters of the video file and historical data, wherein

the optimum extractor [104] is further configured to extract, one or more tracks, each track being associated with one or more second parameters,

the optimum optimizer [102] further configured to identify an optimum decoder [106] based on the one or more second parameters and the historical data, and

the identified optimum decoder [106] further configured to decode the one or more tracks; and

- a thumbnail extractor unit [110] , configured to extract a video thumbnail based on the decoding.
The system as claimed in claim 8, wherein the first parameters comprises at least one of a file type and a track of the video file.
The system as claimed in claim 8, wherein the second parameters comprises at least one of a bit rate, a resolution, a profile and a frame type.
The system as claimed in claim 8, the optimum optimizer [102] is further configured to update a list of extractors and decoders, based on the extraction of the video thumbnail.
The system as claimed in claim 8, wherein the optimum optimizer [102] is configured to:

- compare the first parameters of the video file with a set of previously identified parameters;

- identify at least one set of parameters from the set of previously identified parameters based on the comparison; and

- identify the optimum extractor based on the identified set of parameters.
The system as claimed in claim 12 wherein the at least one set of parameters comprises parameters similar to the first set of parameters.
The system as claimed in claim 9, wherein the historical data is based on an extraction time of the optimum extractor, a decoding time of the optimum decoder, a success rate of optimum decoder and a success rate of optimum extractor.
A user equipment for extraction of a video thumbnail from a video file, the video file being associated with one or more first parameters, the user equipment comprising:

- a system [100] configured to:

dynamically identify an optimum extractor [104] based on the first parameters of the video file and historical data, wherein the optimum extractor is further configured to extract, one or more tracks, each track being associated with one or more second parameters;

dynamically identify an optimum decoder [106] based on the one or more second parameters and the historical data, wherein the optimum decoder [106] is further configured to decode the one or more tracks; and

extract via a thumbnail extractor unit [110] , a video thumbnail based on the decoding.