TWI402699B - Sorting method of multimedia files - Google Patents

Description

Multimedia file classification method

The present invention relates to a method for classifying files, and in particular to a method for classifying multimedia files.

With the continuous evolution and improvement of electronic technology and manufacturing technology, information products with humanized and functional features have also been innovated. Electronic products such as computers and digital cameras are already necessary tools for modern people, especially with the combination of digital cameras and mobile phones, which has greatly increased the popularity of digital cameras. What's more, the digital camera can be combined with the positioning function of the Global Positioning System (GPS) to make the photo file also have positioning information.

Due to the popularity of mobile phones, digital cameras, and digital video cameras, many people use digital cameras to record the bitter and interesting things in their lives. Invisibly, a huge number of multimedia files will be accumulated, especially after the tour, and the number of photos accumulated is usually quite amazing. When organizing or browsing photos, due to the large number of photos, it is not easy for users to find the photos they want, and the current browsing device cannot actively classify according to the types of photos or their contents.

The invention provides a method for classifying multimedia files, which uses the file name, image feature or EXIF information of the multimedia file to classify the multimedia files to create a file database, so that the user can quickly browse the photos and find the desired multimedia files.

In view of the above, the present invention provides a method for classifying a multimedia file, comprising the steps of: providing a setting menu to set a classification parameter, the classification parameter including EXIF information, image feature code, and file attribute; and reading the plural in the database a multimedia file, and then classifying the captured multimedia files according to the classification parameters; storing the classified multimedia files into the database or using a data base as a file index link; A user interface is provided to allow the user to select or input the search conditions and their logical relationships (for example, Sun AND USA (determined by GPS information in the picture) OR aperture value is less than F2.8 NOT characters (will not be retrieved) There is a photo of the character) "late" than the xxxx date, and then according to the search information, the classified multimedia file is read and displayed in a display screen, and the display screen has a category name, a file name, and a date. Parameter and classification label of a file location and image feature ICON (ie corresponding to the displayed multimedia file) Thumbnail or icon so that users can clearly know currently browsing files belong to which category) and the US regional overview diagram showing the type viewing area. So that users can quickly browse thousands of images in place in the profile.

In an embodiment of the invention, the parameters of the EXIF information include a camera model, an aperture, a shutter, an ISO, a date and time, a GPS coordinate, and a voice data item. The parameters of the above image features include seascape, sun, big headlights, animals, snow, mountains, boats, people, flowers, smiling expressions, buildings, and cars. The parameters of the above file attributes include the date of creation, the name of the main file, the prefix of the main file name, and the name of the sub-file. Among them, the classification parameters include the logic of EXIF information, image features and archive attributes. Sexual combination.

In an embodiment of the invention, the step of storing the classified multimedia file in the database further comprises compressing the classified multimedia file.

In an embodiment of the invention, the step of reading the database to display the multimedia file according to the retrieval information further comprises displaying a thumbnail of the multimedia file, and gradually displaying the display screen of the thumbnail according to the browsing speed of the user. The screen update speed. The screen update speed may be between a preset fastest update speed and a preset slowest update speed.

In an embodiment of the invention, the step of displaying the classification label in the display screen further comprises gradually adjusting the transparency, the display size and the text size of the classification label according to the browsing speed of the user, because the end user presses the key ( Key) When browsing, if you press the key (Key), the system will speed up the display of the browsing speed. The classification label needs to be enlarged at the right time to allow the end user to easily identify the progress of the pattern classification feature. The user browsing speed may be between a preset maximum browsing speed and a preset slowest browsing speed; the transparency of the classification label may be between a preset maximum transparency and a preset minimum transparency; The display size may be between a preset maximum display size and a preset minimum display size; and the text size of the classification label may be between a preset maximum text size and a preset minimum text size.

In an embodiment of the invention, the retrieval information corresponds to EXIF information, image features, and file attributes.

In an embodiment of the invention, the classification method further comprises the steps of: displaying a corresponding one of the displayed multimedia files in the display screen. Figure.

In an embodiment of the invention, the multimedia file includes a photo file or a video file.

Based on the above, the present invention can classify a large number of multimedia files, so that the user can quickly browse different types of multimedia files (such as photos or video files) through the user interface and find the desired multimedia files. The invention can assist the user to classify a large number of photos and automatically create a corresponding database, so that the user can easily manage the multimedia files.

The above described features and advantages of the present invention will be more apparent from the following description.

Please refer to FIG. 1. FIG. 1 is a functional block diagram of a multimedia classification system according to an embodiment of the present invention. The multimedia classification system 100 includes a microprocessor 110, an infrared remote controller 120, a hard disk 130, a network interface 140, and a memory 150. A television interface 160, an HDMI (High-Definition Multimedia Interface) interface 170, and a digital analog converter 180. The microprocessor 110 is coupled between the components to read data in the hard disk 130 or the memory 150 or write data into the hard disk 130 or the memory 150. The television interface 160, the HDMI 170, and the digital analog converter 180 are primarily used to transmit multimedia files to the television 190 for display. The multimedia file is, for example, a photo or a video file.

Taking a photo as an example, when the user saves the photo to the hard disk 130, the microprocessor 110 retrieves the photo files in the hard disk 130 and classifies the photo files. The multimedia classification system 100 will provide a setting selection Single, let the user set the classified items or parameters, such as EXIF information, image features or file attributes. Users can set the classification type according to the information in the EXIF information, such as camera model, aperture, shutter, ISO, date and time, GPS coordinates and voice data. For example, the user can set all the photos taken at night to be of the same type, and the multimedia classification system 100 determines whether the shooting time of the photos is nighttime through the EXIF information in the photo file, and correspondingly establishes a database to link to all related items. Photo file. The user can also use the country to classify, and the multimedia classification system 100 will determine the country in which the photo file is taken and classify according to the GPS coordinates. In other words, the multimedia classification system 100 classifies the photo files in the hard disk 130 according to the classification parameters set by the user and establishes an interconnected database (ie, establishes an archive index link to link the multimedia files).

As for the classification method, in addition to the information items in the above EXIF information, the multimedia classification system 100 can also classify image features and file attributes, wherein the parameters of the image features include sea view, sun, big picture, animal, snow, mountain, boat, Various image features such as characters, flowers, smiling expressions, buildings, and cars; the parameters of the file attributes include information such as the date of creation, the name of the main file, the prefix of the main file name, and the name of the sub-file. The user can select the desired classification item from among them, and can combine the above parameters logically (AND, OR) to create a new classification item, for example, including photos taken during a certain period and related to snow scenes.

It is worth noting that when classifying the main file name, the multimedia classification system 100 also classifies by using the concept of apposition, for example Ball, basketball, NBA, etc. can be considered the same category and belong to the same category. In addition, the source of the photo file is not limited to the hard disk 130, and the microprocessor 110 can also be connected to the network via the network interface 140 to download the required photo file.

The microprocessor 110 in the multimedia classification system 100 is mainly used for performing classification operations. When the photo file needs to be output to the television 190, the microprocessor 110 stores the thumbnail of the corresponding photo file or its index value to In the memory 150, the relevant photo file is then displayed according to the user's operation. The multimedia classification system 100 displays a user interface via the television 190, so that the user can input a search information, and then the multimedia classification system 100 reads the classified database according to the search information, and displays the classified photo file correspondingly. The search information can be a single condition, such as snow scene, shooting date or country of shooting, or it can include a logical combination of all the sub-item items in the EXIF information, image features and file attributes, such as limiting the shooting date and aperture. News.

In order to facilitate the user to browse a large photo, the embodiment can display a category label displayed on the screen in a display screen, and the category label has the file related information currently displayed, such as the category name, the file name, the date parameter, and the file location. Please refer to FIG. 2. FIG. 2 is a schematic diagram of a browsing screen according to the embodiment. The display screen includes a plurality of display areas 221. Taking 4*4 as an example, the display screen can be divided into 16 display areas 221 for displaying 16 thumbnails 1~16. The display order of thumbnails 1 to 16 can be displayed in the forward direction or reverse direction according to the index value or the name number in the database, and the embodiment is not limited. The user can utilize the infrared remote control 120 To control, determine the speed and direction of browsing. When the user clicks on the desired thumbnail, the multimedia classification system 100 displays the corresponding photo file according to the thumbnail selected.

There is a classification label 210 at the bottom of the display screen, and the classification label 210 can display related information such as the classification name 216, the date parameter 214, the file location 212, or the name according to the currently displayed picture type. The content in the classification tag 210 can also set the items to be displayed and the display area through the user interface, and the embodiment is not limited.

It should be noted that during the display process, the classification label 210 can gradually adjust the display format such as the transparency, the display size, and the internal text size according to the user's browsing speed, so that the user can have a clearer understanding of the currently viewed items. And what is the progress. Because the end user presses the key (Key) to browse, such as pressing the key (Key), the system will speed up the display of the browsing picture speed, and the classification label 210 needs to be zoomed in at the right time to allow the end user to easily identify the pattern. Classification feature progress.

In addition, the multimedia classification system 100 also gradually adjusts the screen update speed of displaying the thumbnail display screens according to the user's browsing speed to meet the needs of the user. For example, when the user continuously browses the thumbnails forward or backward, the multimedia classification system 100 gradually speeds up the screen update speed of displaying the thumbnail images to speed up the update time of the thumbnails; when the user pauses or lowers When browsing the speed, the multimedia classification system 100 gradually slows down the screen update speed of displaying the thumbnail images to reduce the update speed of the thumbnails. In this way, the optimal screen update speed can be adjusted in accordance with the user's browsing speed, so that the user can conveniently browse the thumbnail.

In addition, in order to increase the browsing convenience of the user, the multimedia classification system 100 may indicate in a thumbnail manner which category the currently viewed photo belongs to, and display it in the screen, for example, thumbnail 16. That is to say, the thumbnail 16 can be used to indicate the current category of thumbnails 1 to 15, and the user can visually know the current browsing information. During the browsing process, thumbnails 1~15 are updated according to the order in which the database is arranged, and thumbnail 16 is updated corresponding to the categories of thumbnails 1-15. In the process of browsing, the thumbnail 16 can be combined with text and symbols to make the user more aware of the progress of the current browsing. The text and symbols in the thumbnail 16 can also adjust the transparency and text symbols according to the user's browsing speed. Formats such as size to increase their recognition and readability.

In addition, it is worth noting that the above multimedia classification system 100 can be integrated into a digital television or a computer, or can be integrated into a handheld device, such as a mobile phone or a digital camera. This embodiment can be implemented by means of software, and utilizes computing resources in current handheld devices to perform data classification, retrieval and display functions.

In the above description of FIG. 1 and FIG. 2, the present embodiment can be summarized as a method for classifying multimedia files, as shown in FIG. 3. FIG. 3 is a flowchart of a method for classifying multimedia files according to another embodiment of the present invention. The classification method includes the following steps. First, a setting menu is provided to set a classification parameter including EXIF information, image features, and archive attributes (step S310). The user can set the classification parameter through the provided setting menu. When the user does not set, the multimedia file can be classified according to the preset parameters. Then, retrieve the multimedia file in the first database (steps S320), and classifying the captured multimedia files according to the set classification parameters (step S330).

After the classification is completed, the classified multimedia files are stored in the second database (step S340). Then, a user interface is provided for the user to input the search data (step S350). According to the search data, the multimedia classification system can read the multimedia file in the second database to correspond to the display thumbnail or the graphic display. In the screen (step S360). At the same time, a classification label is displayed on the display screen, and the classification label has the currently displayed file related information such as the classification name, the file name, the date parameter, and the file position (step S370). For the remaining implementation details of the present classification method, please refer to the descriptions of FIG. 1 and FIG. 2 above. Those skilled in the art should be able to easily infer the implementation details of the classification method after the description of the above embodiments. Narration.

In summary, the present invention provides a multimedia classification method, which uses the photo information such as EXIF information, image features, and file attributes to classify, and displays corresponding classification labels in the browsing screen, so that the user can manage more conveniently. A large number of multimedia files and the type of photos currently viewed. With the present invention, the user can easily organize a large number of multimedia files and establish a personalized file classification system.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100‧‧‧Multimedia Classification System

110‧‧‧Microprocessor

120‧‧‧Infrared remote control

130‧‧‧ Hard disk

140‧‧‧Internet interface

150‧‧‧ memory

160‧‧‧TV interface

170‧‧‧HDMI interface

180‧‧‧Digital Analog Converter

190‧‧‧TV

210‧‧‧Classification label

212‧‧‧File location

214‧‧‧ date parameters

216‧‧‧Category name

221‧‧‧Display area

S310~S370‧‧‧Steps

1 is a functional block diagram of a multimedia classification system in accordance with an embodiment of the present invention.

FIG. 2 is a schematic diagram of a browsing screen according to the embodiment.

FIG. 3 is a flowchart of a method for classifying a multimedia file according to another embodiment of the present invention.

S310~S370‧‧‧ Flowchart steps

Claims (14)

A method for classifying a multimedia file, comprising: providing a setting menu to set a classification parameter, the classification parameter comprising an EXIF information, an image feature, and an archive attribute; capturing a plurality of multimedia files in a first database; The classification parameter classifies the captured multimedia files; stores the classified multimedia files into a second database; provides a user interface to input a search information; and reads the search information according to the search information a second database for displaying the multimedia files in a display screen; and displaying a category label on the display screen for simultaneously displaying a category name, a file name, a date parameter, and a currently displayed multimedia file File location. The method for classifying a multimedia file according to claim 1, wherein the parameters of the EXIF information include a camera model, an aperture, a shutter, an ISO, a date and time, a GPS coordinate, and a voice data. The method for classifying a multimedia file as described in claim 1, wherein the parameters of the image feature include a sea view, a sun, a big picture, an animal, a snow scene, a mountain, a boat, a character, a flower , a smiling expression, a building and a car. The method for classifying a multimedia file as described in claim 1, wherein the parameter of the file attribute includes an archive date, a master file Name, a main file name prefix and a file name. The method for classifying a multimedia file as described in claim 1, wherein the classification parameter further comprises a logical combination of the EXIF information, the image feature and the file attribute. The method for classifying the multimedia files as described in claim 1 , wherein the step of storing the classified multimedia files in the second database further comprises: compressing the classified multimedia files. The method for classifying a multimedia file as described in claim 1, wherein the step of reading the second database to display the multimedia files according to the search information further comprises: displaying thumbnails of the multimedia files On the display screen, thumbnails of the multimedia files are arranged in a matrix on the display screen. The method for classifying a multimedia file as described in claim 7, wherein the step of reading the second database to display the multimedia files according to the search information further comprises: gradually adjusting according to a user browsing speed Displaying a screen update speed of the display screen of the thumbnails, wherein the user browsing speed is between a preset fastest browsing speed and a preset slowest browsing speed, and the screen updating speed is between one preset Set the fastest update speed between a preset slowest update speed. The method for classifying a multimedia file according to claim 7, wherein the step of displaying the classification label in the display screen further comprises: gradually adjusting a classification label according to a user browsing speed. The brightness, wherein the user browsing speed is between a preset maximum browsing speed and a preset slowest browsing speed, and the transparency of the category label is between a preset maximum transparency and a preset minimum transparency. Adjusting a display size of the classification label according to the browsing speed of the user, wherein the display size of the classification label is between a preset maximum display size and a preset minimum display size; and browsing according to the user Speed, stepwise adjusting a text size of the category label, wherein the text size of the category label is between a preset maximum text size and a preset minimum text size. The method for classifying a multimedia file as described in claim 1, wherein the search information corresponds to the EXIF information, the image feature, and the file attribute. The method for classifying a multimedia file as described in claim 1, further comprising: displaying, in the display screen, a thumbnail corresponding to the displayed multimedia files. The method for classifying a multimedia file as described in claim 1, wherein the multimedia file comprises a photo file or a video file. The method for classifying a multimedia file as described in claim 1, wherein the search information includes the EXIF information, a logical combination of the image feature and the file attribute. The method for categorizing the multimedia files as described in claim 1 wherein the step of storing the classified multimedia files in the second database further comprises: establishing an archive index link to link the multimedia files.