CN116567193A - Stereoscopic image generation box, stereoscopic image display method and stereoscopic image display system - Google Patents
Stereoscopic image generation box, stereoscopic image display method and stereoscopic image display system Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/261—Image signal generators with monoscopic-to-stereoscopic image conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/366—Image reproducers using viewer tracking
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Abstract
A stereoscopic image generation box, a stereoscopic image display method and a stereoscopic image display system. The stereoscopic image generating box comprises an image receiving and detecting unit, a depth information analyzing unit, an image processing unit, a synthesizing unit and a data transmission unit. The image receiving and detecting unit is used for receiving a two-dimensional image from an image source. The depth information analysis unit is used for obtaining depth information according to the two-dimensional image. The image processing unit is used for converting the two-dimensional image into a left-eye image and a right-eye image according to the depth information. The synthesizing unit is used for synthesizing the left eye image and the right eye image to generate a stereoscopic image. The data transmission unit is used for outputting the stereoscopic image to a display so that the display can directly display the stereoscopic image.
Description
Technical Field
The present disclosure relates to an image box, a display method and a display system, and more particularly, to a stereoscopic image generating box, a stereoscopic image display method and a stereoscopic image display system.
Background
With the continuous progress of display technology, various stereoscopic display technologies have been developed. However, even if notebook computers or mobile phones with stereoscopic display function are developed, the image resources that can be used are still quite limited. Because these electronic devices with computing capability only have the function of image output, but have no function of image input, an additional image capturing box is needed to be matched to capture multimedia video from devices such as game machines, multimedia players and the like.
The existing image capturing box needs to perform a compression procedure and a decompression procedure in the transmission process, which is easy to cause image delay, so that the stereoscopic display effect is greatly reduced.
Disclosure of Invention
The present disclosure relates to a stereoscopic image generating box, a stereoscopic image display method and a stereoscopic image display system, which utilize the stereoscopic image generating box to convert stereoscopic images under the condition of limited image resources, thereby greatly increasing the application range of stereoscopic display technology. In addition, the stereoscopic image generated by the stereoscopic image generation box does not need to be compressed and decompressed in the transmission process, so that the phenomenon of picture delay can be avoided.
According to an aspect of the present disclosure, a stereoscopic image generation box is provided. The stereoscopic image generating box comprises an image receiving and detecting unit, a depth information analyzing unit, an image processing unit, a synthesizing unit and a data transmission unit. The image receiving and detecting unit is used for receiving a two-dimensional image from an image source. The depth information analysis unit is used for obtaining depth information according to the two-dimensional image. The image processing unit is used for converting the two-dimensional image into a left-eye image and a right-eye image according to the depth information. The synthesizing unit is used for synthesizing the left eye image and the right eye image to generate a stereoscopic image. The data transmission unit is used for outputting the stereoscopic image to a display so that the display can directly display the stereoscopic image.
According to another aspect of the present disclosure, a stereoscopic image display method is provided. The stereoscopic image display method comprises the following steps. A stereoscopic image generation box receives a two-dimensional image from an image source. The stereoscopic image generation box obtains depth information according to the two-dimensional image. The stereoscopic image generation box converts the two-dimensional image into a left-eye image and a right-eye image according to the depth information. The stereoscopic image generation box synthesizes the left eye image and the right eye image to generate a stereoscopic image. The stereoscopic image generating box outputs a stereoscopic image to a display so that the display directly displays the stereoscopic image.
According to still another aspect of the present disclosure, a stereoscopic image display system is provided. The stereoscopic image display system comprises a stereoscopic image generation box and a display. The stereoscopic image generating box comprises an image receiving and detecting unit, a depth information analyzing unit, an image processing unit, a synthesizing unit and a data transmission unit. The image receiving and detecting unit is used for receiving a two-dimensional image from an image source. The depth information analysis unit is used for obtaining depth information according to the two-dimensional image. The image processing unit is used for converting the two-dimensional image into a left-eye image and a right-eye image according to the depth information. The synthesizing unit is used for synthesizing the left eye image and the right eye image to generate a stereoscopic image. The data transmission unit is used for outputting the stereoscopic image. The display is used for receiving the stereoscopic image and directly displaying the stereoscopic image.
For a better understanding of the above and other aspects of the disclosure, reference is made to the following detailed description of embodiments, taken in conjunction with the accompanying drawings, in which:
drawings
Fig. 1 is a schematic diagram of a stereoscopic image display system according to an embodiment.
Fig. 2 is a block diagram of a stereoscopic image display system according to an embodiment.
Fig. 3 is a flowchart illustrating a stereoscopic image display method according to an embodiment.
Fig. 4 illustrates a two-dimensional image.
Fig. 5 illustrates depth information.
Fig. 6 illustrates a left eye image and a right eye image.
Fig. 7 illustrates a stereoscopic image.
Fig. 8 is a schematic diagram of a stereoscopic image display system according to an embodiment.
Fig. 9 is a block diagram of a stereoscopic image display system according to an embodiment.
Fig. 10 is a flowchart illustrating a stereoscopic image display method according to an embodiment.
Fig. 11 illustrates a stereoscopic image.
Description of the reference numerals
100 image Source
200 stereoscopic image generating box
210 image receiving and detecting unit
220 depth information analysis unit
230 image processing unit
240 resolution adjustment unit
250 Synthesis Unit
260 data transmission unit
300,300' display
310 data transmission unit
320 display unit
330 human eye tracking unit
400': stereo imaging glasses
1000,1000' stereoscopic image display system
DP depth information
ET human eye tracking information
IM2 two-dimensional image
IM3, IM3' stereoscopic image
IML left eye image
IMR right eye image
L2 image transmission line
L3 data transmission line
RS2 image resolution
RS3 resolution of picture
S110, S120, S210, S220, S230, S240, S250, S250', S260, S310, S320: steps
SZ2 image size
Detailed Description
Referring to fig. 1, a schematic diagram of a stereoscopic image display system 1000 according to an embodiment is shown. The stereoscopic image display system 1000 includes a stereoscopic image generation box 200 and a display 300. The stereoscopic image generation box 200 and the display 300 are two separate and independent electronic devices. The stereoscopic image generation box 200 is used for converting the two-dimensional image IM2 provided by the image source 100 into a stereoscopic image IM3. The image source 100 is, for example, a game machine or a multimedia player. The stereoscopic image generation box 200 is connected to the image source 100 through an image transmission line L2. The video transmission line L2 is, for example, a VGA transmission line, a DVI transmission line, an HDMI transmission line, or a DP transmission line. The two-dimensional image IM2 is, for example, a single screen. In another embodiment, the two-dimensional image IM2 may be a certain picture of a certain stream. The stereoscopic image generation box 200 has a graphic operation capability. The stereoscopic image generation box 200 may also process each picture in the stream continuously.
After the stereoscopic image generation box 200 generates the stereoscopic image IM3, the stereoscopic image IM3 is directly transmitted to the display 300, so that the display 300 directly displays the stereoscopic image IM3. The stereoscopic image generation box 200 is connected to the display 300 through a data transmission line L3. The data transmission line L3 is, for example, an USB Type C line or an USB Type a line. The display 300 is, for example, a naked eye stereoscopic display of a notebook computer, or a naked eye stereoscopic display of a mobile phone. In other embodiments, the present technology can also be applied to a general display without a naked eye stereoscopic display function, and its implementation is described in fig. 8 to 10, and how the present technology is applied to a display 300 with a naked eye stereoscopic display function is described in fig. 1 to 7.
Since the stereoscopic image generation box 200 and the display 300 communicate with each other through the data transmission line L3, the stereoscopic image generation box 200 of the present disclosure is also applicable to electronic devices without image input function, such as notebook computers or mobile phones.
Referring to fig. 2, a block diagram of a stereoscopic image display system 1000 according to an embodiment is shown. The stereoscopic image generation box 200 includes an image receiving and detecting unit 210, a depth information analyzing unit 220, an image processing unit 230, a resolution adjusting unit 240, a synthesizing unit 250 and a data transmitting unit 260. The functions of the elements are summarized as follows. The image receiving and detecting unit 210 is used for receiving and detecting images, such as an image transmission interface card or an image transmission module. The depth information analysis unit 220 is used for analyzing the depth information. The image processing unit 230 is used for converting images. The resolution adjustment unit 240 is used for adjusting the resolution. The synthesizing unit 250 is used for synthesizing images. The depth information analysis unit 220, the image processing unit 230, the resolution adjustment unit 240, and the synthesis unit 250 are, for example, a circuit board, a chip, a computer program, or a recording medium storing the computer program. The data transmission unit 260 is used for transmitting data, such as a data transmission interface card.
The display 300 includes a data transmission unit 310, a display unit 320, and an eye tracking unit 330. The data transmission unit 310 is used for data transmission, such as a data transmission interface card. The display unit 320 is used for displaying a picture, and is composed of a display panel and a lenticular lens, or is composed of a display panel and a slit grating. The eye tracking unit 330 is for tracking the position of the human eye, and is composed of a camera and an image recognition circuit.
The stereoscopic image generation box 200 of the present embodiment can convert the two-dimensional image IM2 into the stereoscopic image IM3 through the depth information analysis unit 220, the image processing unit 230, the synthesis unit 250, and other elements. The stereoscopic image IM3 generated by the stereoscopic image generation box 200 does not need to be compressed and decompressed during transmission, so that the phenomenon of image delay can be avoided. The operation of each element is described in more detail below through the flowcharts.
Referring to fig. 2 and 3, fig. 3 is a flowchart illustrating a stereoscopic image display method according to an embodiment. In step S110, the image source 100 provides a two-dimensional image IM2. Referring to fig. 4, a two-dimensional image IM2 is illustrated. The two-dimensional image IM2 is, for example, a game instant screen operated by a user or a movie screen of an audio-visual player. The two-dimensional image IM2 may be one of the pictures of the continuous images.
Next, in step S120, the image source 100 transmits a two-dimensional image IM2.
Then, in step S210, the image receiving and detecting unit 210 of the stereoscopic image generation box 200 receives the two-dimensional image IM2. In this step, the image receiving and detecting unit 210 further detects an image resolution RS2 of the image source 100. In another embodiment, the image receiving and detecting unit 210 may further detect an image size SZ2 of the image source 100.
Next, in step S220, the depth information analysis unit 220 of the stereoscopic image generation box 200 obtains depth information DP according to the two-dimensional image IM2. Please refer to fig. 5, which illustrates depth information DP. The depth information analysis unit 220 may analyze the depth information DP according to an artificial intelligence algorithm. Alternatively, the depth information analysis unit 220 may analyze the depth information DP with reference to the eye tracking information ET. Alternatively, the depth information analysis unit 220 may directly obtain the left-eye depth information and the right-eye depth information. The present technique is not limited to the manner in which the depth information DP is obtained.
Then, in step S230, the image processing unit 230 of the stereoscopic image generation box 200 converts the two-dimensional image IM2 into a left-eye image IML and a right-eye image IMR according to the depth information DP. Referring to fig. 6, a left-eye image IML and a right-eye image IMR are illustrated. The left-eye image IML is an image at a left-eye viewing angle; the right-eye image IMR is an image of the right-eye viewing angle. When the depths of the two objects are different, the two objects can show different overlapping conditions at the left eye view angle and the right eye view angle.
In this step, the image processing unit 230 may select a plurality of processing chips according to the image resolution RS2 to convert the two-dimensional image IM2 into the left-eye image IML and the right-eye image IMR. When the image resolution RS2 is higher, a processing chip with higher performance can be selected for processing; when the image resolution RS2 is low, a processing chip with low performance may be selected for processing, so as to exert the best energy efficiency.
Alternatively, the image processing unit 230 may select the processing chips according to the image resolution RS2 and the image size SZ2 to convert the two-dimensional image IM2 into the left-eye image IML and the right-eye image IMR. When the image resolution RS2 is higher or the image size SZ2 is larger, a processing chip with higher performance can be selected for processing; when the image resolution RS2 is low and the image size SZ2 is small, a processing chip with low performance may be selected for processing, so as to exert the best energy efficiency.
In an embodiment, the image processing unit 230 may also convert the two-dimensional image IM2 into the left-eye image IML and the right-eye image IMR with reference to the eye tracking information ET. The present technique is not limited to the manner in which the left-eye image IML and the right-eye image IMR are converted.
Then, in step S240, the resolution adjustment unit 240 of the stereoscopic image generation box 200 automatically performs resolution conversion on the left-eye image IML and the right-eye image IMR according to a frame resolution RS3 of the display 300. For example, when the resolution RS3 is higher, the resolution adjustment unit 240 may perform a pixel interpolation procedure to increase the resolution. When the resolution RS3 is low, the resolution adjustment unit 240 may perform a pixel filtering procedure to reduce the resolution. In one embodiment, step S240 may be omitted.
Next, in step S250, the synthesizing unit 250 of the stereoscopic image generation box 200 synthesizes the left-eye image IML and the right-eye image IMR to generate a stereoscopic image IM3. In an embodiment where the display 300 is a naked eye stereoscopic display, the synthesizing unit 250 weaves (weaves) the left eye image IML and the right eye image IMR according to the eye tracking information ET to generate the stereoscopic image IM3. Please refer to fig. 7, which illustrates a stereoscopic image IM3. The upper left-lower right diagonal line of fig. 7 is, for example, the content of the left-eye image IML, and the upper right-lower left diagonal line is, for example, the content of the right-eye image IMR. Fig. 7 is merely an example of a synthesis method, and is not limited to the application of the present technology.
Then, in step S260, the stereoscopic image generation box 200 data transmission unit 260 outputs the stereoscopic image IM3. Before the stereoscopic image IM3 is sent out, the stereoscopic image generation box 200 does not perform the compression process on the stereoscopic image IM3, but directly transmits the stereoscopic image IM3 through the data transmission line L3 (shown in fig. 1).
Next, in step S310, the data transmission unit 310 of the display 300 receives the stereoscopic image IM3.
Then, in step S320, the display unit 320 of the display 300 directly displays the stereoscopic image IM3. After receiving the stereoscopic image IM3, the display 300 does not need to perform the decompression procedure.
In streaming applications, the image source 100 inputs the continuous stereoscopic image generation box 200 with the two-dimensional image IM2. After each two-dimensional image IM2 is converted, stereoscopic images IM3 are continuously output and continuously played on the display 300.
According to the above embodiment, in the case of limited image resources, the stereoscopic image generation box 200 of the present embodiment can be connected to various image sources 100 and convert the stereoscopic image IM3, thereby greatly increasing the application range of the stereoscopic display technology.
In addition, the stereoscopic image IM3 generated by the stereoscopic image generation box 200 does not need to be compressed and decompressed during transmission, so that the phenomenon of image delay can be avoided.
In addition to the above embodiments, the present technology may also be applied to a general display without a naked eye stereoscopic display function, and its implementation is described in fig. 8 to 10, and the same points are not repeated.
Referring to fig. 8, a schematic diagram of a stereoscopic image display system 1000' according to an embodiment is shown. The stereoscopic image display system 1000 'includes a stereoscopic image generation box 200 and a display 300'. The stereoscopic image generation box 200 and the display 300' are two separate and independent electronic devices. The stereoscopic image generation box 200 is used for converting the two-dimensional image IM2 provided by the image source 100 into a stereoscopic image IM3'.
After the stereoscopic image generation box 200 generates the stereoscopic image IM3', the stereoscopic image IM3' is directly transmitted to the display 300', so that the display 300' directly displays the stereoscopic image IM3'. The stereoscopic image generation box 200 is connected to the display 300' via a data transmission line L3. The display 300' is, for example, a general display having no naked-eye stereoscopic display function. When the display 300 'displays the stereoscopic image IM3', the user can wear the stereoscopic imaging glasses 400 'to watch the stereoscopic image IM3'. The stereoscopic imaging glasses 400' are, for example, color difference glasses, shutter glasses, polarized glasses.
Referring to fig. 9, a block diagram of a stereoscopic image display system 1000' according to an embodiment is shown. The display 300' includes a data transmission unit 310 and a display unit 3200. The stereoscopic image generation box 200 of the present embodiment can convert the two-dimensional image IM2 into the stereoscopic image IM3' through the depth information analysis unit 220, the image processing unit 230, the synthesis unit 250, and other elements. The stereoscopic image IM3' generated by the stereoscopic image generation box 200 does not need to be compressed and decompressed during the transmission process, so that the phenomenon of image delay can be avoided. The operation of each element is described in more detail below through the flowcharts.
Referring to fig. 9 and 10, fig. 10 is a flowchart illustrating a stereoscopic image display method according to an embodiment. In step S250', the synthesizing unit 250 of the stereoscopic image generation box 200 synthesizes the left-eye image IML and the right-eye image IMR to generate a stereoscopic image IM3. In an embodiment of the display 300 'without the naked eye stereoscopic display function, the synthesizing unit 250 superimposes the left eye image IML and the right eye image IMR according to the eye tracking information ET to generate the stereoscopic image IM3'. Please refer to fig. 11, which illustrates a stereoscopic image IM3'. In the example of fig. 11, the left-eye image IML and the right-eye image IMR are superimposed on the same image with different colors to form a stereoscopic image IM3'. Fig. 11 is merely an example of a synthesis method, and is not limited to the application of the present technology.
In step S320, the display unit 320 of the display 300 'directly displays the stereoscopic image IM3'. After receiving the stereoscopic image IM3', the display 300 does not need to perform the decompression process.
In streaming applications, the image source 100 inputs the continuous stereoscopic image generation box 200 with the two-dimensional image IM2. After each two-dimensional image IM2 is converted, stereoscopic images IM3 'are continuously output and continuously played on the display 300'.
According to the above embodiment, in the case of limited image resources, the stereoscopic image generation box 200 of the present embodiment can be connected to various image sources 100 and convert the stereoscopic image IM3', thereby greatly increasing the application range of the stereoscopic display technology.
In addition, the stereoscopic image IM3' generated by the stereoscopic image generation box 200 does not need to be compressed and decompressed during the transmission process, so that the phenomenon of image delay can be avoided.
In summary, although the present disclosure has been described above with reference to the embodiments, it is not intended to limit the disclosure. Those of ordinary skill in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present disclosure. Accordingly, the scope of the present disclosure is defined by the appended claims.
Claims (18)
1. A stereoscopic image generation box, comprising:
an image receiving and detecting unit for receiving a two-dimensional image from an image source;
a depth information analysis unit for obtaining depth information according to the two-dimensional image;
an image processing unit for converting the two-dimensional image into a left-eye image and a right-eye image according to the depth information;
a synthesizing unit for synthesizing the left eye image and the right eye image to generate a stereoscopic image; and
the data transmission unit is used for outputting the stereoscopic image to a display so that the display can directly display the stereoscopic image.
2. The stereoscopic image generation box according to claim 1, further comprising:
and the resolution adjusting unit is used for automatically performing resolution conversion on the left-eye image and the right-eye image according to a picture resolution of the display.
3. The stereoscopic image generation box of claim 1, wherein the image receiving and detecting unit is further configured to detect an image resolution of the image source, and the image processing unit selects a plurality of processing chips according to the image resolution to convert the two-dimensional image into the left-eye image and the right-eye image.
4. The stereoscopic image generation box according to claim 3, wherein the image receiving and detecting unit is further configured to detect an image size of the image source, and the image processing unit is further configured to select the processing chips according to the image size so as to convert the two-dimensional image into the left-eye image and the right-eye image.
5. The stereoscopic image generation box according to claim 1, wherein the display is a naked eye stereoscopic display, the display detects eye tracking information, and the synthesizing unit weaves the left eye image and the right eye image according to the eye tracking information to generate the stereoscopic image.
6. The stereoscopic image generation box of claim 1, wherein the image receiving and detecting unit is connected to the image source via an image transmission line.
7. The stereoscopic image generation box of claim 1, wherein the data transmission unit is connected to the display through a data transmission line.
8. A stereoscopic image display method, comprising:
a stereoscopic image generation box receives a two-dimensional image from an image source;
the stereoscopic image generation box obtains depth information according to the two-dimensional image;
the stereoscopic image generation box converts the two-dimensional image into a left-eye image and a right-eye image according to the depth information;
the stereoscopic image generating box synthesizes the left eye image and the right eye image to generate a stereoscopic image; and
the stereoscopic image generating box outputs the stereoscopic image to a display so that the display can directly display the stereoscopic image.
9. The stereoscopic image display method according to claim 8, further comprising:
the stereoscopic image generation box automatically performs resolution conversion on the left-eye image and the right-eye image according to a picture resolution of the display.
10. The method of claim 8, wherein the stereoscopic image generation box further detects an image resolution of the image source, and the stereoscopic image generation box further selects a plurality of processing chips according to the image resolution to convert the two-dimensional image into the left-eye image and the right-eye image.
11. The method of claim 10, wherein the stereoscopic image generation box further detects an image size of the image source, and the stereoscopic image generation box further selects the processing chips according to the image size to convert the two-dimensional image into the left-eye image and the right-eye image.
12. The method of claim 8, wherein the display is a naked eye stereoscopic display, the display detects eye tracking information, and the stereoscopic image generation box weaves (weaves) the left eye image and the right eye image according to the eye tracking information to generate the stereoscopic image.
13. The method of claim 8, wherein the stereoscopic image generation box receives the two-dimensional image from the image source via an image transmission line.
14. The method of claim 8, wherein the stereoscopic image generation box transmits the stereoscopic image to the display via a data transmission line.
15. A stereoscopic image display system, comprising:
a stereoscopic image generation box, comprising:
an image receiving and detecting unit for receiving a two-dimensional image from an image source;
a depth information analysis unit for obtaining depth information according to the two-dimensional image;
an image processing unit for converting the two-dimensional image into a left-eye image and a right-eye image according to the depth information;
a synthesizing unit for synthesizing the left eye image and the right eye image to generate a stereoscopic image; and
A data transmission unit for outputting the stereoscopic image; and
and the display is used for receiving the stereoscopic image and directly displaying the stereoscopic image.
16. The stereoscopic display system of claim 15, further comprising:
and the resolution adjusting unit is used for automatically performing resolution conversion on the left-eye image and the right-eye image according to a picture resolution of the display.
17. The stereoscopic image display system according to claim 15, wherein the image receiving and detecting unit is further configured to detect an image resolution of the image source, and the image processing unit selects a plurality of processing chips according to the image resolution to convert the two-dimensional image into the left-eye image and the right-eye image.
18. The stereoscopic image display system according to claim 15, wherein the data transmission unit is connected to the display through a data transmission line.
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