TWI416440B - Method of displaying picture having location data and apparatus thereof - Google Patents

Abstract

One objective of the present invention is to provide a method of displaying picture having location data and apparatus thereof. The method comprising the steps of providing an electronic map and a plurality of pictures having location data, and generating a plurality of thumbnails corresponding to the pictures based on a scale, and then displaying the thumbnails on the electronic map based on the location data of corresponding picture of each thumbnail, and further overlappingly displaying the thumbnails of which the distance between the thumbnails is shorter than a threshold on the electronic map.

Description

Method for displaying photo with location data and photo display device thereof

The invention relates to a photo display method with position data and a photo display device thereof, in particular to a technical field of displaying a photo thumbnail with position data and dynamically changing the thumbnail display position and superimposing the thumbnail images. .

Traditional photo display methods are mostly arranged by file name, date, file size or folder. However, when users want to arrange photos according to their itinerary, this traditional method is not very convenient. When a tourist takes a photo taken during a trip, it is very likely that he wants to share his scenery along the way with his friends and relatives. And by means of an electronic map to inform others of the location of the photo, therefore, the image capture device that can store the location information for the photo taken is continuously developed, for example, a camera incorporating a GPS function. Therefore, how to effectively display a photo with a location is an urgent problem to be solved.

Currently, many travel guides provide a simple link feature that allows users to click on a tag and bring out relevant landscape images. In addition, Apple's iPhone and GeoSpatialExperts application software provide the ability to display images on an electronic map.

However, the above-mentioned prior art techniques precompile photos and electronic maps before presenting these photos and maps. These image sizes cannot be adjusted as the user adjusts the scale of the electronic map. In other words, when the user zooms the scale of the electronic map, these pictures are not The method automatically modifies the display size as the user adjusts the scale of the electronic map. Therefore, these photos cannot be clearly identified at the same time, and it is not possible to classify them in more detail according to the location.

In view of the above disadvantages of the prior art, it is an object of the present invention to provide a method for displaying a photo with location data and a photo display device thereof to improve the efficiency of photo display and management.

In addition, an object of the present invention is to provide a method for displaying a photo with location data and a photo display device thereof for automatically adjusting the display position of the thumbnail on the electronic map according to the proportion of the electronic map.

In addition, another object of the present invention is to provide a method for displaying a photo having positional material and a photo display device thereof to clearly recognize adjacent thumbnails.

In accordance with the purpose of the present invention, the present invention includes a method for displaying a photo with location information, the method comprising the following steps. First, an electronic map and a plurality of photos with location data are provided. Next, a thumbnail of the photos is generated. Then, based on the location data of each photo, these thumbnails are displayed on the electronic map. When these thumbnails are placed on the electronic map at a distance from each other below a threshold, the thumbnails are superimposed.

Wherein, the method of the present invention further comprises: when the electronic map performs a zooming action, displaying the thumbnails on the zoomed electronic map according to the location data of the photos.

Wherein, the method of the present invention further comprises defining the thumbnails as a thumbnail group when the distances between the thumbnails are lower than a threshold value.

Wherein, the method of the present invention further comprises: when the thumbnail group is clicked, the electronic map can be enlarged, and the thumbnail of the thumbnail group is redisplayed on the enlarged electronic map.

Among them, when the thumbnail is selected, it can be hyperlinked to its corresponding photo.

Among them, the photo contains a related information, such as travel information.

Wherein, the method of the present invention further comprises selecting a photo to be displayed based on the correlation data.

In addition, according to the purpose of the present invention, the present invention further comprises a photo display device comprising a database, a display unit and a processing unit. The database is used to store an electronic map and a plurality of photos with location data. The processing unit generates a thumbnail of the plurality of photos, and according to the location data of the photos, drives the display unit to display the thumbnails on the electronic map, and when the thumbnails are at a lower distance from each other on the electronic map When a threshold is applied, these thumbnails are displayed in an overlapping manner.

The photo display device further includes an input unit. When the user operates the photo display device to zoom the electronic map by the input unit, the processing unit displays the thumbnails on the zoomed electronic map according to the location data of the photo. .

Wherein, when the positions of the thumbnails are less than a threshold, the processing unit defines the thumbnails as a thumbnail group.

When the user selects the thumbnail group by the input unit, the processing unit enlarges the electronic map and redisplays the thumbnail of the thumbnail group on the enlarged electronic map.

Wherein, when the user selects the thumbnail by the input unit, the processing unit drives the display unit to display the photo corresponding to the thumbnail.

Among them, the photo contains a related information, such as travel information.

The processing unit selects a photo to be displayed according to the correlation data.

Further, in accordance with the purpose of the present invention, the present invention further provides a method for displaying a photo having location data, the method comprising the following steps. First, provide an electronic map with multiple locations Photo of the data. Then, a thumbnail of the photos is generated, and the thumbnails of the photos are displayed on the electronic map. When the electronic map performs a zooming action, the thumbnails are redisplayed on the zoomed electronic map according to the location data of the photos.

Wherein, the method of the present invention further comprises superimposing the thumbnails when the positions of the thumbnails on the electronic map are less than a threshold value.

Wherein, the method of the present invention further comprises defining the thumbnails into a thumbnail group when the distances between the thumbnails are lower than their threshold values.

The method of the present invention further includes enlarging the electronic map and redisplaying the thumbnail in the thumbnail group on the enlarged electronic map when the thumbnail group is clicked.

Among them, click on these thumbnails to hyperlink to their corresponding photos.

Among them, the photo contains a related information, such as travel information.

Wherein, the method of the invention further comprises selecting a photo to be displayed according to the correlation data.

The invention may be broadly referred to broadly to the parts mentioned in the specification, the elements and features are applied separately or collectively, and any or both or more in combination with the above-mentioned parts, elements and features, and In the present specification, the similarities in the prior art to which the present invention pertains, these similarities can be individually incorporated into the present invention.

11~15‧‧‧ Process steps

2, 3‧‧‧ photo display device

21‧‧‧Database

22‧‧‧Display unit

23‧‧‧Processing unit

24‧‧‧Electronic map

25‧‧‧Photos

251‧‧‧Location Information

26‧‧‧ thumbnail

31‧‧‧ Hard disk

321‧‧‧ display panel

322‧‧‧Display Control Unit

323‧‧‧Image buffer memory

33‧‧‧Microprocessor

34‧‧‧ satellite photos

35‧‧‧ JPEG file

351‧‧‧EXIF GPS label

381‧‧‧Image information of satellite photos

382‧‧‧Shrink image information

391‧‧‧Connection unit

392‧‧‧Touchpad

4, 401, 402‧‧‧ satellite photos

41, 42, 46, 431, 441, 442, 443, 471, 472, 473 ‧ ‧ thumbnail

43, 44, 45, 47, 432‧‧‧ thumbnail groups

49‧‧‧ Path

1 is a flow chart of a method for displaying a photo with position data according to the present invention; FIG. 2 is a block diagram of a photo display device with position data according to the present invention; and FIG. 3 is a positional data of the present invention. A block diagram of an embodiment of a photo display device; FIG. 4A is a schematic diagram of an embodiment of a photo display device and an electronic map of the present invention; 4B is a schematic diagram of an embodiment of a photo display device and an enlarged electronic map of the present invention; FIG. 4C is an electronic map of a photo display device and a thumbnail group selected in the present invention; A schematic diagram of one embodiment; and a 4D diagram is a schematic diagram of one embodiment of a photo display device and an electronic map based on travel data.

Please refer to FIG. 1 , which is a flow chart of a method for displaying a photo with location data according to the present invention. The method includes the following steps. In step 11, an electronic map and a plurality of photos with location data are provided. The electronic map may be a vector electronic map or a photo image electronic map, and the photo image electronic map may be a satellite photo containing latitude and longitude data. The photo is preferably a still image compression standard (JPEG) file containing an EXIF GPS tag, and the file also contains the latitude and longitude data of the still image compression standard file, wherein EXIF is an extensible image format (Extendible Image) Format). In addition, the photo contains a relevant information, such as travel information.

At step 12, a thumbnail of the photos is generated based on a predetermined scaling. Users can view thumbnails and get a glimpse of the content of the photos. These thumbnails are then displayed on the electronic map based on the location data for each photo in step 13.

In step 14, when the distances of the thumbnails on the electronic map are less than a threshold, the thumbnails are displayed in an overlapping manner. Wherein, the distance refers to the pixel distance between the display positions of the two thumbnails, and the threshold value is the minimum pixel distance for clearly viewing the two thumbnails, and the thumbnail of the overlapping display can be defined as a thumbnail group. Pictures located in the same thumbnail group can be selected or operated simultaneously. Therefore, overlaying the close-up thumbnails in a stacked manner allows the user to more effectively understand the location of these photos on the electronic map.

Then, when the electronic map performs a zooming action in step 15, the thumbnail images are redisplayed on the zoomed electronic map according to the location data of the photos. Wherein, when the thumbnail group is clicked, the electronic map can be further enlarged to an appropriate size to be suitable for displaying the thumbnail of the re-corrected thumbnail group. Among them, click on these thumbnails to hyperlink to their corresponding photos. In addition, you can select the photos you want to display based on the relevant information contained in the photos.

Please refer to FIG. 2 , which is a block diagram of a photo display device with position data according to the present invention. The photo display device 2 includes a database 21 , a display unit 22 , and a processing unit 23 . The database 21 is used to store an electronic map 24 and a plurality of photos 25 having location data 251. The electronic map 24 can be a vector electronic map or a photo image electronic map, and the photo image electronic map can be a satellite photo with longitude and latitude data. The photo is preferably a still image compression standard file containing an EXIF GPS tag, and the file also contains the latitude and longitude data when the still image compression standard file is recorded. Among them, EXIF is an extendible image format (Extendible Image Format). In addition, the photo contains a relevant information, such as travel information.

A processing unit 23, such as a microcontroller or microprocessor, can generate thumbnails 26 of such photos 25 based on a predetermined scaling. The processing unit 23 can reduce the size of the photo by a specific scale according to the display size of the photo, so that the user can view the thumbnail 26 and roughly understand the content of the photo 25. In addition, the scale of the thumbnail is a preset value or is set by the user.

The processing unit 23 can also drive the display unit 22 to display the thumbnails 26 on the electronic map 24 according to the location data 251 corresponding to the photos 25, and the distance between the thumbnails 26 on the electronic map 24 is lower than each other. When a threshold is displayed, the thumbnails are displayed in an overlapping manner, and the distance is the pixel distance between the display positions of the two thumbnails, and the threshold value is the minimum pixel distance at which the two thumbnails can be clearly viewed, whereby the distance is close to Thumbnails can be overlaid in a stacked manner, giving users a better experience to view maps with thumbnails.

In addition, the processing unit 23 can define the thumbnails of the overlapping displays as a thumbnail group, the same group Photos can be selected or operated at the same time. If the photo 25 further contains a related material, such as travel material, the processing unit 23 selects the photo to be displayed based on the relevance data.

The photo display device 2 may further include an input unit, such as at least one button, a keyboard, a touch pad or a mouse. When the thumbnail group is clicked, for example, the user double clicks on the thumbnail group by a mouse, the processing unit 23 can enlarge the electronic map to an appropriate size, and display the thumbnail of the thumbnail group again. Zoom in on the electronic map.

Among them, click on these thumbnails to hyperlink to their corresponding photos. The display unit 22 further includes a display plane and a display control unit with image buffering. The database 21 further includes a read only memory (ROM), a random access memory (RAM), a flash memory or a hard disk. In addition, the photo display device 2 further includes a network connection unit for downloading an electronic map.

FIG. 3 is a block diagram showing an embodiment of a photo display device with position data according to the present invention. The photo display device 3 includes a hard disk 31, a display panel 321, a display control unit 322, and an image buffer. The memory 323, a microprocessor 33, a connection unit 391, and a touchpad 392. The hard disk 31 is used for storing a satellite photo 34 and a still image compression standard file containing an EXIF GPS tag. The file also includes latitude and longitude data. If the user wants to display the still image compression standard file, the satellite photo can be stored in advance or Through the connection unit 391, it is instantly downloaded from a remote server.

The microprocessor 33 can take the satellite photo 34 from the hard disk 31 and decode it to generate the image data with the satellite photo 34. Then, the microprocessor 33 can change the resolution of the image data to match the size of the image buffer memory 323, and The adjusted image original data is copied to the image buffer memory 323.

The microprocessor 33 obtains the static image compression standard file 35 to be displayed from the hard disk 31 and decodes it, so as to capture the image data existing in the still image compression standard file 35, and reduce the resolution of the image data. A corresponding thumbnail is generated, so that the user can view the thumbnail and roughly understand the content of the static image compression standard file 35.

The microprocessor 33 calculates the pixel positions of the thumbnails according to the latitude and longitude data of the still image compression standard 35 and the latitude and longitude data of the satellite photos 34, and after calculating all the pixel positions related to the still image compression standard 35 thumbnails, The microprocessor 33 can compare the distance between its thumbnails with a threshold value, the threshold value being the minimum pixel distance from which the two thumbnails can be clearly viewed.

When the distance between the pixel positions of the two thumbnails is lower than the above threshold, it indicates that the two thumbnail images may not be clearly recognized in the satellite photos. Therefore, the microprocessor 33 defines the distance between each other below the threshold value. The figure is a thumbnail group, and these thumbnails are superimposed and displayed in a stacked manner to generate image data of the thumbnail group.

Next, the microprocessor 33 copies the thumbnail image or the thumbnail image data 382 to the image buffer memory 323 according to the pixel position, and the display control unit 322 periodically buffers the image, such as every 33.3 microseconds or 16.6 microseconds. The data in the body 323 is converted into an electronic signal, and then transmitted to the image panel 321 for display. As shown in FIG. 4A, it is a schematic diagram of an embodiment of a photo display device and an electronic map of the present invention. Thumbnails 41, 42 and 45, and four thumbnail groups 43, 44, 45 and 47.

When the user manipulates the photo display device 3 to zoom the display satellite image by the touch panel 392, the microprocessor 33 changes the resolution of the image data of the satellite photo 34 again according to an input ratio, if the resolution of the image data is greater than For the size of the image buffer memory 323, the microprocessor 33 selects a matching area in the image buffer memory 323 for converting the image data and copying the image data of the block to the image buffer memory 323 for display.

Next, the microprocessor 33 recalculates the pixel position of the thumbnail according to the latitude and longitude data of the static image compression standard 35, the latitude and longitude data of the satellite photo 34, and the size and pixel position of the matching block. The pixel position of the thumbnail is calculated according to the still image compression standard file 35 of the pre-displayed photo, and the microprocessor 33 repeats the above comparison step to determine which thumbnail images are displayed in an overlapping manner.

The microprocessor 33 copies the image data 382 of the thumbnail or thumbnail group to the image buffer memory 323 according to the pixel position, as shown in FIG. 4B, which is one of the photo display devices and one of the enlarged electronic maps of the present invention. A schematic diagram of an embodiment, as shown in FIG. 4B, shows a thumbnail image 431, 441, 442, and 443, and a thumbnail group 432, on the satellite photo 401 that is changed as shown in FIG. 4B.

Therefore, when the satellite photo 34 is displayed and zoomed, only the position of the thumbnail is changed, or a plurality of thumbnails are displayed in an overlapping manner, and the display size of the thumbnail does not change.

When the user clicks on the thumbnail group by the touch panel 392, the microprocessor 33 changes the resolution of the image data of the satellite photo 34 again to clearly display the thumbnail of the thumbnail group selected, minimizing Overlapping photos. The microprocessor 33 selects a matching block in the image buffer memory 323 for converting the image data and copying the image data of the block to the image buffer memory 323 for display. The microprocessor 33 repeats the pixel position calculation step described above and then copies the image data 382 to the image buffer memory 323 according to the pixel position to be displayed. As shown in FIG. 4C, it is a photo display device and a thumbnail group of the present invention. A schematic diagram of one embodiment of the electronic map after the group is selected. As shown in FIG. 4C, the zoomed satellite photo 402 has three thumbnails 471, 472 and 473.

The thumbnail display can be hyperlinked to the corresponding still image compression standard file 35. When the user selects one of the thumbnails through the touch panel 392, the photo display device 35 displays the image display device 35 in a larger scale or full screen manner. The selected still image compression standard file 35 is clearly recognized by the user.

In addition, the tag 351 of the still image compression standard file 35 contains a related data, such as travel data, and the microprocessor 33 selects the travel data contained in the still image compression standard file 35 through user selection, and only the selected static data. A thumbnail of the image compression standard file can be displayed on the satellite photo. Preferably, the path of the travel data selected by the user can also be displayed on the satellite photo 34. As shown in FIG. 4D, the satellite photo 4 has a path 49, a thumbnail 46, and three thumbnail groups (44, 45, and 47), but no thumbnails 41 and 42, and a thumbnail group 43, Compared with the 4A figure, the display mode of the 4D figure has a certain meaning for the tourists.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

11~15‧‧‧ Process steps

Claims (26)

A method for displaying a photo with location data, comprising: providing an electronic map and a plurality of photos with location data; generating a thumbnail of the plurality of photos; and according to location information of each of the plurality of photos, Displaying the thumbnail of the plurality of photos on the electronic map; and displaying the plurality of thumbnails when the pixel distance between the plurality of thumbnails displayed on the electronic map is less than a threshold value, The threshold is the minimum pixel distance. The method of claim 1, further comprising: when the electronic map performs a zooming operation, re-correcting the thumbnail image on the scalable electronic map according to the position data of the corresponding photo of the thumbnail image. The location. The method of claim 1, further comprising defining the thumbnails as a thumbnail group when the distances between the thumbnails are lower than the threshold. The method of claim 3, further comprising: when the thumbnail group is clicked, the electronic map is enlarged and the thumbnail of the thumbnail group is redisplayed on the enlarged electronic map. The method of claim 1, wherein the thumbnail is hyperlinked to the corresponding photo when clicked. The method of claim 1, wherein the location data comprises latitude and longitude data. The method of claim 1, wherein the photo further comprises a related data of a travel material, and the photo to be displayed is selected according to the related information. The method of claim 1, wherein the electronic map is a vector electronic map or a photo image electronic map. The method of claim 8, wherein the photo-image electronic map is a satellite photograph containing latitude and longitude data. A photo display device comprising: a database for storing an electronic map and a plurality of photos with location data; a display unit; and a processing unit for generating a thumbnail of the plurality of photos, and according to the plural Position information of the photos, driving the display unit to display the thumbnail image on the electronic map, and when the thumbnail distance of the thumbnail display on the electronic map is less than a threshold value, the plurality of The thumbnails are displayed in an overlapping manner, where the threshold is the minimum pixel distance. The photo display device of claim 10, further comprising an input unit, wherein when the user operates the photo display device to zoom the electronic map by the input unit, the processing unit is configured according to the thumbnail Re-correct the position of the thumbnail on the zoomable electronic map corresponding to the location data of the photo. The photo display device of claim 10, wherein the processing unit defines the thumbnails as a thumbnail group when the positions of the thumbnails are less than a threshold value. The photo display device of claim 12, wherein when the user clicks the thumbnail group by the input unit, the processing unit enlarges the electronic map and re-corrects the thumbnail group The location on the scalable electronic map. The photo display device of claim 10, wherein when the user clicks the thumbnail image by the input unit, the processing unit drives the display unit to display a corresponding photo thereof. The photo display device of claim 10, wherein the location data comprises latitude and longitude data. The photo display device of claim 10, wherein the photo further comprises a related data of a travel material, and the photo to be displayed is selected according to the correlation data. The photo display device of claim 10, wherein the electronic map is a vector electronic map or a photo image electronic map. The photo display device of claim 17, wherein the photo image electronic map is a satellite photo containing latitude and longitude data. A method for displaying a photo with location data, comprising: providing an electronic map and a plurality of photos having location data; generating a thumbnail of the plurality of photos; displaying the thumbnail according to location information of the plurality of photos On the electronic map; when the electronic map performs a zooming operation, displaying the plurality of thumbnails on the zoomed electronic map according to the position data of the plurality of photos; and when the thumbnail is displayed on the electronic map When the pixel distance between the positions on the electronic map is lower than a threshold value, the thumbnail images are superimposed and displayed, wherein the threshold value is the minimum pixel distance. The method of claim 19, further comprising defining the thumbnails as a thumbnail group when the distances between the thumbnails are lower than the threshold. The method of claim 20, further comprising: when the thumbnail group is clicked, zooming in on the electronic map and re-correcting the thumbnail of the thumbnail group on the zoomable electronic map. The method of claim 19, further comprising clicking the thumbnail to hyperlink to the corresponding photo. The method of claim 19, wherein the location data comprises latitude and longitude data. The method of claim 19, wherein the photo further comprises a related data of a travel material, and the photo to be displayed is selected according to the relevant information. The method of claim 19, wherein the electronic map can be a vector electronic map or a photo image electronic map. The method of claim 25, wherein the photo image type electronic map can be one Satellite photos containing latitude and longitude data.