TW550519B - Device for generating real-time anaglyph - Google Patents

Abstract

The present invention discloses a device for generating real-time anaglyph, which includes a graphic engine, a memory and a 3D image generator. The graphic engine provides a synchronous signal, and generates a left-eye image and a right-eye image based on the horizontal offset calculated from the 3D graphic animation, wherein the horizontal offset between the left-eye and right-eye images can provide a depth illusion. The left-eye and right-eye images are temporarily stored in the memory; then, the 3D graphic generator takes back the left-eye image and the right-eye image from the memory in response to the synchronous signal to generate a filtered left-eye image toward the first color and a filtered right-eye image toward the second color. Thus, each filtered image is toward one color within two compensated colors. With an anaglyph spectacle to look at the filtered left-eye image and the filtered right-eye image, it can generate the depth feeling of the scene.

Description

550519 V. Description of the invention (l) The present invention relates to the field of three-d i mensional (3D) computer edge maps, and particularly refers to a device suitable for generating real-time three-dimensional films (anaglyph). Viewing with anaglyph spectacles produces a sense of depth. The use of computer systems to generate images often requires the need for natural 3D image simulation, and general images do not provide a sense of depth, so they appear to lack authenticity. There have been many designs and developments to produce stereoscopic images to achieve 3D effects. One of them provides left-eye and right-eye images for a single two-dimensional image and displays them in turn. Of it. The viewer wears liquid crystal shuttered spectacles to view the above left and right eye images. The shuttered glasses are synchronized with the display signal to allow: the eye can only see at a time For a proper image, more specifically, when the right-eye image is displayed, the right-eye liquid crystal shutter is opened, and when the left-eye image is displayed, the left-eye liquid crystal shutter is opened. In this way, the viewer fuses or synthesizes the left-eye and right-eye images in the brain to create a sense of depth. The amount of offset between the components in the left-eye image and the components in the right-eye image (the size is determined by To understand the depth of this component in the synthetic stereo image. Another technique for stereoscopic viewing is to use the so-called anaglyph technique. An image of a stereo film generally contains two partial colors, preferably Complementary color image. The principle of stereoscopic film is roughly the same as the technology mentioned above: the left and right eye images are provided to the viewer separately, and the horizontal offset between the left and right eye images allows the viewer to generate The illusion of depth. The three-dimensional video viewed by the viewer is

550519 V. Description of the invention (2) Lu contains two images that are biased to different colors, such as red and blue-green, and the viewer can wear a pair of stereo glasses (anaglyph ^ spectac 1 es) to see through the lenses that match the color Stereo video eyes and right eye images, for example, the viewer can only see the green image with blue-green lenses' and the reddish image can only be seen with red lenses. The right eye length is 1 for separation. image. The advantage of this method is that the cost of the stereo lens is much lower than that of the glasses with liquid crystal shutters mentioned above, and no external information is needed for the synchronization of the stereo glasses. In view of this, an object of the present invention is to provide a device for generating real-time three-dimensional movies on a personal computer.驷 Intermediate% μ Another purpose of this book is to provide a device that uses animated images generated by a graphics accelerator in a personal computer to produce stereoscopic images. In order to achieve the above-mentioned object, the present invention provides a method suitable for generating real-time three-dimensional images: a peak = equipped including a drawing engine, a memory, and a three-dimensional image = :. The image engine provides a synchronization signal and is generated based on the horizontal offset obtained from the 3D graphics motion-the left-eye image and the right-eye image, and the above-mentioned horizontal offset between the left-eye and right-eye images The j-memory body that can provide depth is used to temporarily store the above-mentioned left-eye and right-eye images. However, the image generator retrieves the left eye from the memory in response to the synchronization signal, and generates the left eye image and the right eye image from the memory. In this way, the mother-filtered image is biased toward the two complementary colors. Viewing the color-filtered left-eye image ^, 立体, 办, and k with stereo glasses produces a sense of depth of the scene. ❹H right eye image, you can

550519 V. Description of the invention (3) [Brief description of the diagram] In order to make the above-mentioned objects, features, and advantages of the present invention more obvious and easier to understand, a preferred embodiment is given below in conjunction with the accompanying drawings for detailed description. As follows: Fig. 1 is a block diagram of a preferred embodiment of the present invention; Fig. 2 is a block diagram illustrating a stereo image generator; Fig. 3 is a functional illustration of another embodiment of a stereo image generator; FIG. 4 is a functional diagram of the bit block transfer operation performed by the adder in the stereo image generator, and FIG. 5 is a flowchart of another embodiment described above. [Label description] 2 0 ~ display; 100 0 ~ graphics processor; 104 ~ stereo image generator; 110 ~ memory; 11 ~ right eye image; 130 ~ analog converter (DAC); 2 10 to 3D enabling signal; 10 to graphic display device 3 to 3 stereo glasses; 102 to 3D drawing engine; I 0 6 to synchronization signal; II 2 to left eye image; 1 2 0 to memory controller 1 3 2 ~ Video signal; 220a-220c ~ Multiplexer 222a, 224a ~ Multiplexer 220a input port; 226a ~ Multiplexer 220a output port; 230a ~ Logic gate; 232a, 234a ~ Logic gate 2 3 0a input End; 3 1 0 ~ multiplier; 3 1 2 ~ first mask;

0702-6606TWF; 90P66; Lin.ptd Page 6 550519

3 1 4 ~ second mask; 3 2 2 ~ color filter left eye image 3 3 0 ~ stereo image; 4 2 4 ~ destination image. [Example] 3 2 0 ~ adder; 3 2 4 ~ color filter right eye image; 4 2 2 ~ source image; as shown in FIG. 1, the graphic display device of the personal computer provides a signal 132 to the display 20, The graphics display device 10 includes a graphics processor 100, a memory 110, a memory controller 20, and a digital analog converter (DAC) 130. According to the present invention, the graphics processor 10 also includes 3D The drawing, engine 102 and the stereo image generator 104, both the Shan drawing engine and the stereo image generator 104 can access the memory 110 through the memory controller 丨 2 〇. For example, the 3D drawing engine 102 receives drawing data and instructions from a central processing unit (CPU) via a PCI or AGP bus (bus) 140. In normal operation, the 3D drawing engine 102 uses drawing data to Calculate and render 4 fields-a series of 3D animations. Each 3D image in this series of 3D motions is pre-stored in memory 丨 10 to use the 3D drawing engine as much as possible. The computing power of 1.02, the graphics processor 丨 〇〇 constantly retrieves the pre-stored digital image and transfers it to the DAC 丨 30, in order to display the transmitted data on the display 2〇, DAC 1 3 〇 digital The image is converted into analog video signals 1 32. In addition to drawing 3D animations, the 3D drawing engine 10 02 also calculates a horizontal offset (horizontal offset) for each 3D graphic if the 3D drawing function of the drawing processing 100 is activated. The edge map engine 10 further provides a synchronization signal 丨 〇 6 and generates a left-eye image 11 2 and a right-eye image 11 4 according to the above-mentioned horizontal offset, wherein the left eye

0702-6606TWF; 90P66; Lin.ptd Page 7 550519 V. Description of the invention (5) The horizontal offset between the right eye image can provide depth image 11 2 and right eye image 丨 4 are stored in memory 丨丨 Q 左 Left eye shadow, due to the left and right eyes generated from the previous operation, and after the processing of 110, the 3D drawing engine 1 〇2 can be empty to execute the "f temporary storage, the memory can be as much as possible The use of the 3D drawing engine! 02's calculations, for this reason, the device disclosed in the present invention can be used for the purpose of the above description. Straight to achieve real-time three-dimensional image, continue to refer to Figure 1. The three-dimensional image generator 104 returns to the same 106 and retrieves the left-eye image 112 and the right-eye image from the memory 110. :: Do not generate color filters The left-eye image and the color-filtered right-eye image, so that the image is biased to color and the color-filtered right-eye image is biased to another color, and the colors are complementary colors. Stereo image generation g 丨 Q 4 彳 纟 θ & Φ P, + ,, set A + θ The above-mentioned filtered left-eye image and the above-mentioned filtered right-eye image are output in turn to 1 3 0 according to the step signal 106, The digital signal is converted into an analog video signal 丨 3 2, and the color filter left and right eye images are displayed on the display 20, and the viewer wears stereo eyes = 3Q. These color filter left and right eyes can be viewed through color matching lenses The eyeshadow is sloppy. The left eye sees the filtered left eye image and the right eye sees the filtered right eye image. & Through the following detailed description, the preferred embodiment of the stereo image generator ιo4 in Fig. 2 will become more apparent and understandable. When a computer is used to process color images, the images are usually decomposed into red (Red, R), green (G, G), and blue (B) components. The three primary colors are Basic colors. Any combination of two primary colors can be combined to produce any other color. The stereo image generator 104 in FIG. 2 includes three multiplexers.

550519 V. Description of the invention (6) (multiplexer) 220a, 220b, and 220c. Each multiplexer filters a color component in the image separately. The multiplexers 2 2 0a, 2 2 0b, and 2 2 0c have Roughly the same configuration. For example, a zero value (0) is applied to one input port 222a of the multiplexer 220a, and a red component (R) in the image is applied to the other input port 224a of the multiplexer 220a. The energy signal 210 and a control signal Cr, and the output port 22 of the multiplexer 22a provide output to a fi Itered image as its red component. The three-dimensional enable signal and the control signal dagger are respectively applied to the input terminals 232a, 23 4a of a logic gate "^", as shown in Figure 2. If the three-dimensional enable signal 210 is set (assert) , So that the stereo image generator 104 can generate the color-filtered left-eye image and the color-filtered right-eye image. In one embodiment, when the control signal Cr is deasserted, the multiplex mode 2 2 0 a filters out the red component in the left-eye image, and when the control signal CR is set, it is used to allow the right The red component in the eye image passes; when the control signal CG is released, the multiplexer 2 2 0b filters out the green component in the right eye image, and when the control signal CG is set, it is used to allow the left eye image The green component passes; similarly, when the control signal Cb is released, the multiplexer 22 0c filters out the blue component in the right-eye image, and when the control timing is used, it is used to allow the blue component in the left-eye image to pass The m-body image generator 1 04 generates a blue-green color filter left-eye image and a reddish color filter right-eye image, and then the color-filtered left-eye image and the color-filtered right-eye image are about 60 frames per second. The rate of the image is displayed on the display 20, and the viewer can wear the stereo glasses 30 to view these color-filtered images through color-matching lenses. The viewer can only see the bluish-green image with the blue-green lens, and only

0702-6606TWF; 90P66; Lin.ptd page 9 550519 5. Description of the invention (7) The reddish image can be seen through the red lens, so as to provide separated images for the left and right eyes. In another embodiment, when the control signal Cr is released, the multiplexer 220a filters out the red component in the right-eye image, and when the control signal & The red component passes; when the control signal CG is released, the multiplexer 220b filters and removes the green component in the left-eye image, and when the control signal CG is set, it is used to allow the green component in the right-eye image to pass; Similarly, when the control signal cB is removed from the blue component in the right-eye image, and when the control signal ^ is set, the blue component in the 1 image passes. As a result, stereoscopic image production ^ 04 produces a reddish M color filter left-eye image and a right-eye color filter image. Then, the rate of the filtered left-eye image is approximately 20 f color on the display. With the = stereo glasses 30, the wearer can only see the red and blue images through the red and blue lenses through the color matching lenses: = the viewing film sees the greenish image. Mirror. Eye & separated shadow Figure 3 is another image of the stereo image generator 104, in order to obtain a stereoscopic scene containing two separated images m $ Note that the images are different colors for the same scene, but the image ^ The two pictures in the illustration are as shown in the figure. The stereo image generator 04 can include _10 moving images, device 31, refer to the flowchart in Figure 5, and use the adder "0 and-multiplication to clear the stereo image. Another description of the image generator 104 is to expand and explain the details. When the three-dimensional function of the processor 100 is turned off (step S50, column = fruit drawing section J, as described above)

0702-6606TWF; 90P66; Lin.ptd Page 10 550519 V. Description of the invention (8), the graph processor 100 depicts a general 3D motion day (step s500, and the DAC 130 presents it on the display 20 ( Step S5i5). If the three-dimensional function of the drawing state 100 is activated (Step S500), ^ 3D ® 〇2 ^ ^ ^ ^; (^ 51 0) Xinmai, 3 DA drawing quotes: 2 drawing "will A left-eye image 112 and a right-eye image 1 1 4 'of which two horizontal offsets are used to shift the phase of the oblique π-denier wheel 4 & ten biases relative to the same hall, object, and horizontal in the right-eye image 14 Move step S520 in the left eye image 112), and then, set up # 圆 # 〖Cut the king's mouth 丨 object C step eye image 112ϊ: ΐ === li, sores ^ mask 3 1 2 and Multiply the right-eye image 11 4 by the second, ,, and to generate a color-filtered left-eye image 3 2 2 and a tear-colored right-eye image 324 (step S530). To generate jealousy, I ’m going to send a stone image ~ like I㈣P / As shown in Figure 3, the / σ wide-color left-eye image 322 and the color-filtered right-eye image 324 are added so that they are superimposed on each other (SUperimpose). No 33. It is displayed on the monitor 2 at a rate of about 30 images per second. The second image is implemented, and the 'multiplier 3U) blocks the left-eye image 112 with the first mask 312, and the work is injured, resulting in bias. The blue-green color filter left-eye image 3 2 2 and the: = 4: the blue-green component in the right eye shadow, which produces / red ff color right-eye image 324. Viewers can wear stereo glasses 30 through color The stereo lens is used to view the stereo image 33. In this way, the viewer can only: the lens sees the bluish green image, 1 can only see with the red lens because the stereo image is overprinted on the left and both eyes at the same time. Provide the images of each, the two images p ^ ^ P starting from the same scene ^, the viewer will feel the illusion of depth. In another reality

550519 V. Description of the invention (9) In the embodiment, 'the multiplier 310 blocks the green component in the left-eye image 112 with the first mask 312, and generates a reddish-blue color filter left-eye image 3 2 2 and the second The mask 3 1 4 blocks the red-blue components in the right-eye image 1 1 4 and generates a greenish-colored right-eye image 324. The viewer can wear stereo glasses 30 and watch the stereo image 33 0 through the matching lens. In this way, the viewer can only see the reddish blue image with the red basket lens and only the green lens. The greenish image provides separate images for the left and right eyes at the same time. Because the two images imprinted together in the three-dimensional image 330, the same scene is horizontally leveled, which will provide the viewer with a sense of depth. 'The thing has

Ran, the adder 320 performs the bit-block transfer (Boop) operation used in computer graphics technology, as shown in Fig. 4 g-a pixel block in the source image 422 Move or superimpose to ^, scene; technology like 424 is more efficient than moving or superimposing individual bits or, a 'BQP. In summary, the present invention discloses a device suitable for production. Although the present invention has been implemented in concrete terms, in order to facilitate the description of the technical content of the present invention, and is not necessarily limited to this embodiment, anyone familiar with this skill is within the spirit and scope of the narrow month, it can be done a little bit; J no: leave the hair

The scope of protection shall be deemed as attached in the appended patent.

Claims (1)

550519 6. Scope of patent application 1. A kind of 奘 -drawing bow which is suitable for generating real-time three-dimensional video, using "; a synchronous [; equipment;", including at least the graphic dynamic day calculation and π evening branch 仏 j = bluff, And according to one or two squint-eye images, where the image sum between the left and right eye images—the right provides the illusion of depth; the horizontal offset of the scoop can be used to store the left-eye image and -A stereo image generator, in response to the synchronization signal :: image; and retrieve: left eye image and the right eye image, use; one; far: 嶋: filter = one of the eye image and one of the second color filters The first right color and the second color are complementary colors. Tian Yu 2 / The device suitable for generating real-time stereoscopic video as described in the first item of the scope of patent application, wherein the above-mentioned stereo image generator is based on the above-mentioned synchronous information. Lu ^ outputs the above-mentioned color-filtered left-eye image and the color-filtered right-eye image.,-3. A device suitable for generating a real-time stereoscopic film as described in the second item of the patent application scope, wherein the above-mentioned stereoscopic image atlas contains at least ·· Release one brother, one multiplexer, respond In a first signal, if the first signal is "a", it is used to filter out the red components in the left-eye and the right-eye images. If the first signal is set, it is used to allow the left-eye and the above-mentioned. The red component in the right-eye image passes; a second multiplexer responds to a second signal, and if the second signal is canceled, it is used to filter the green component in the left-eye and the right-eye images. The second signal is set to allow the green components in the left-eye and right-eye images to pass through; and a third multiplexer responds to a third signal, and if the third signal is 0702-6606TWF; 90P66 ·, Lin.ptd page 13 550519 6. Scope of patent application "-Solution 1ί is used to filter out the blue components in the above left and right eye images. If 4 the second signal is set 'Is used to allow the blue components in the left and right eye images to pass through. 4. The device suitable for generating real-time stereoscopic video as described in item 3 of the scope of patent application, wherein the first color is a blue-green and the second color is a red. 5 · The device suitable for generating real-time stereo video as described in item 4 of the scope of patent application, wherein by disabling the first signal, the first multiplexer filters out the red component in the left-eye image, and by setting the above The second and the third signals, the second and the third multiplexers allow the green and blue components in the left-eye image to pass through, respectively, to generate the blue-green color filter left-eye image. 6 · The device suitable for generating real-time stereo video as described in item 4 of the scope of patent application, wherein the red signal in the right-eye image is allowed to pass by setting the first signal 'the first multiplexer described above, and The second and third signals, the second and the third multiplexers respectively filter the green and blue components in the right-eye image to generate the reddish color-filtered right-eye image. 7 · The device suitable for generating real-time stereoscopic video as described in item 4 of the scope of patent application, wherein the above-mentioned color filter left-eye image and the above-mentioned color filter right-eye image output by the above-mentioned stereo image generator in turn according to the above-mentioned synchronization signal, It can be viewed through a pair of glasses with one eye being a blue-green lens and the other eye being a red lens to produce a sense of depth. 8 · Applicable to the production of real-time stereoscopic images as described in item 3 of the scope of patent application 0702-6606TWF; 90P66; Lin.ptd page 14 550519 patent application range __ Among which the above-mentioned color-red-blue and the above-mentioned second range of color-effectiveness described in item 8 are suitable for generating real-time stereoscopic six signals, the above The second multiplexer is a device that allows the first and upper multiplexers to respectively allow the left to generate a reddish-blue piece, wherein the green component in the left-eye image is filtered by releasing the first Three signals: the red and blue components in the first and the second eyes are filtered through the left eye image. The above right eye shadows are allowed :::: =: = No. 2 multiplexer and the above 3rd signal, the first and second parts are released from the red and blue components in the right and left eye images, respectively Color the right eye image. Λ The above-mentioned filter 11 that produces a greenish color. · As for the device of the eighth piece of the patent application, where the above-mentioned filter color is output by the above-mentioned three-dimensional image in real-time three-dimensional image, the left eye shadow is generated according to the above-mentioned synchronization signal. The color lens and the color-filtered right-eye image can be viewed with glasses to create a sense of depth. The other eye is one of the green lenses12. The device according to the first item of the patent application, wherein the above-mentioned stereoscopic image is used to generate a real-time stereoscopic image for processing the color-filtered left-eye image and the upper lens and the lower lens include at least one The adders are superimposed on each other to generate one, according to the color of the right-eye image so that each other is 1 · 3. As shown in item 12 of the scope of the patent application. Suitable for the generation of real-time stereo 0702-6606TWF; 90P66; Lin.ptd page 15 550519 VI. Patent application volume image generator includes-multiplier multiplied-a second mask, and the above right eye image is divided into right Eye image. After the above, the color-constrained left-eye image and the filter film 1-4 are used to generate a real-time stereoscopic left-eye image. The sub-screen = ... masks the first color in the right-eye image: and generates :::; Grass: broadcast the above-mentioned color filter left-eye image and the value of Bu, +, and the weight of the house are above the first color. 15. If the application is on the n: color of the above-mentioned 遽, color right-eye image. The device of the movie Λ Λ force is suitable for generating real-time three-dimensional bit block transfer. The adder is used in computer edge map technology. 〃 4 4 color system—blue, green, and the second film of the second color is suitable for generating real-time stereo lenses as described in the application / Λ scope item 16 ^ Another eye p A 4 stereo images can be viewed through Blue-green: The lens and the other eye are-the red lens-the glasses are viewed to produce depth-the lens 2. The application described in item 14 of the Λ application is applicable to the generation of real-time stereo, where the above-mentioned color system-red-blue and the above-mentioned The two-color denim is suitable for generating a real-time three-dimensional fen film as described in item 18 of the application Λ 'scope, wherein the three-dimensional image can be red and blue through one eye. 0702-6606TWF; 90P66; Lin.ptd page 16 550519 6. Scope of patent application The colored lens and the other eye is one of the green lenses to watch to create a sense of depth. 2 0. The device suitable for generating real-time stereoscopic video as described in item 1 of the scope of patent application, wherein if a stereo enabling signal is set, the stereo image generator can generate the color-filtering left-eye image and the aforementioned Filter out the right eye image. 0702-6606TWF; 90P66; Lin.ptd page 17