WO2013104347A1 - Method and device for the recording and reproduction of panoramic representations - Google Patents
Method and device for the recording and reproduction of panoramic representations Download PDFInfo
- Publication number
- WO2013104347A1 WO2013104347A1 PCT/DE2012/000015 DE2012000015W WO2013104347A1 WO 2013104347 A1 WO2013104347 A1 WO 2013104347A1 DE 2012000015 W DE2012000015 W DE 2012000015W WO 2013104347 A1 WO2013104347 A1 WO 2013104347A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical
- mirror
- virtual
- panoramic
- image
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/06—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe involving anamorphosis
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/10—Mirrors with curved faces
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0007—Image acquisition
Definitions
- the invention relates to a method and an apparatus for carrying out the method for recording and reproducing panoramic images, in particular for the visual reproduction of premises and landscapes.
- the application is used, for example, for plant and property monitoring, virtual tour of venues, resort areas, videoconferencing and e-learning.
- Spherical arrangements of cameras are known for the production of 360 ° video recordings in which the recordings are synchronized in a base unit and combined to form a video signal. By means of a software created for this signal is then played back on a monitor.
- Another known solution consists of a camera and an integrated mirror optics for a 360 ° recording. Disadvantages of these systems, however, are the complex technology and required software for processing the signals.
- the object of the invention is therefore to provide a method and a device for performing the method, with which a less complex recording of panoramic images is made possible, the transmission to the client can be done in near real time and playback regardless of the operating systems and computer structures of the Clients is enabled. This object is achieved by using the method with the features of claim 1.
- the method for a higher accuracy in the real playback is designed as described with the features of claim 2.
- the equalization and the subsequent display on a monitor is carried out exclusively by a software used by the client.
- the representation of the real scene on the monitor takes place in near real time.
- An application of the method according to the invention can be carried out platform-independent within the Internet.
- the cost of required special processing software or hardware is significantly reduced. Since the panoramic images are taken by hyperbolic-shaped mirrors and are recorded on their surfaces by surfaces of different sizes, different areas of sharpness are created.
- the position of the focus areas depends on the arrangement of the mirror relative to the camera system.
- two hyperbolic-shaped mirrors in different positions, one up and one down, each associated with a sensor system of the same camera.
- CONFIRMATION COPY generated image data are projected into a respective virtual projection body, which corresponds to the inverted area of the associated mirror. From these projected virtual projection surfaces, a resulting projection surface is then generated by predetermining the pixels to be compensated for by corresponding pixels captured in the larger focus range. With this device, a compensation of the blurred area is achieved, thus increasing the accuracy.
- the transmission of the captured image signals to the client via optical fibers proves. Taking advantage of the possible high transmission rates and the large ranges of several 100 km, without a required amplification technology, very accurate images can be transmitted in real time, especially when used in local networks. Furthermore, the transmission causes a reduced effort and a high data security. Below, the method and the device will be explained in more detail using an exemplary embodiment. In the drawing shows
- a hyperbolic mirror is mounted, which has a predetermined distance from the camera lens 2. By specifying the specific distance for the respective camera system, the rays detected by the panorama are cut after reflection on the mirror in a predetermined focal point F.
- its focal point F ' is selected such that the beams impinge on the surface of the camera sensor 3.
- the relatively "pointed" design of the mirror allows in the vertical direction an angle of view of 1 15 °.
- the illustration of Figure 3 shows the schematic representation of the reflection radiation. The reflected beams generate on the camera sensor 3 a "donatf ⁇ rmiges" circular image, which still needs to be equalized for a realistic reproduction.
- the equalizations are carried out by means of the following optical measures.
- the "donatförmige" camera image is projected onto a surface whose shape corresponds to the inverted surface of the mirror.
- a schematic representation of the generated virtual projection surface 5 is shown in FIG.
- the projected area corresponds to the inner surface of the mirror itself, so to speak. Since the real panorama pictures are taken over a mirror, these pictures are mirror-inverted. Before the projection will be preferably corrected. Through this procedure, a panorama can also be displayed without computationally intensive image transformations.
- known 3D modeling programs are used.
- the image or video is assigned as surface material to the model body (hyperboloids).
- the example embodiment of the projection body corresponds to a bivalve hyperboloids.
- FIGS. 5 and 6 show two possibilities for positional positioning of the hyperbolic mirror.
- the illustration of Figure 5 shows the downward position of the mirror, in which the tip is directed downward and through which the lower portion of the captured panorama blurred image reproduction and the upper area allows a sharp image reproduction.
- the apparatus for performing the method can be designed so that it has two mirror-optical assemblies 1, 7. Each of these mirror-optical assemblies 1, 7 is assigned to a separate sensor of the camera system 6. The image signals of each sensor are projected into a virtual projection body and a resulting projection surface 5 is generated from the two projection bodies. The selection of the image signals to be used for the resulting projection surface 5 takes place on the basis of predetermined coordinates.
- the application of the method and the device for carrying out the method can be carried out for the monitoring of plants and land.
- this application will be respectively different parts of the panorama are divided into several monitors, although only one video signal is transmitted.
- An option is to track specific people or objects.
- Another application is the presentation of venues, resorts and events through virtual tours and live broadcasts. In this case, additional information could be called up at defined points on the panorama.
- the method according to the invention can be used within video conferencing systems.
- the required number of video streams would not have to correspond to the number of participants, but only one stream per group would be required.
- certain image sections would be assigned to the corresponding person. It would also be possible to implement a guided conference in which the displayed image sections on the clients are controlled from a central location.
- the process created involves a purely technical process.
- the generation of the second (virtual) image generated on the basis of the recorded panoramic image takes place by the projection of the first image consisting of image signals after their transfer to the area virtually created by software.
- the image signals are assigned by application of the software known per se to the projection points on the virtual surface (surface), which correspond to the inverted points on the physical surface of the mirror-optical assemblies.
- This software also includes the function of a virtual navigable camera whose position the observer (client) occupies.
- the optical image of the real world is imported after the transmission of the recorded image signals, so to speak as a "texture" on the programmatically generated surface of the client.
- the recorded "donat-shaped" camera image and its mirrored inversion serves as an optical image of the real world. Due to the true to original transmission of the images, no image transformation by means of mathematical methods and the required expenditure of computer technology is required for the reproduction or projection.
- the projection surface at the client is virtually “rebuilt” by software known per se according to the present method, and the transmitted image signals representative of the image of the real world are imported onto this surface as "texture". Accordingly, a generation of a second image by the virtual camera takes place. The required amount of special processing software and hardware is thereby considerably reduced.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112012005632.9T DE112012005632A5 (en) | 2012-01-11 | 2012-01-11 | Method and device for recording and reproducing panorama displays |
PCT/DE2012/000015 WO2013104347A1 (en) | 2012-01-11 | 2012-01-11 | Method and device for the recording and reproduction of panoramic representations |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2012/000015 WO2013104347A1 (en) | 2012-01-11 | 2012-01-11 | Method and device for the recording and reproduction of panoramic representations |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013104347A1 true WO2013104347A1 (en) | 2013-07-18 |
Family
ID=46210061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2012/000015 WO2013104347A1 (en) | 2012-01-11 | 2012-01-11 | Method and device for the recording and reproduction of panoramic representations |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112012005632A5 (en) |
WO (1) | WO2013104347A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6118474A (en) * | 1996-05-10 | 2000-09-12 | The Trustees Of Columbia University In The City Of New York | Omnidirectional imaging apparatus |
US20010010555A1 (en) * | 1996-06-24 | 2001-08-02 | Edward Driscoll Jr | Panoramic camera |
US6327020B1 (en) * | 1998-08-10 | 2001-12-04 | Hiroo Iwata | Full-surround spherical screen projection system and recording apparatus therefor |
US20020126395A1 (en) | 2000-03-22 | 2002-09-12 | Sajan Gianchandani | Panoramic image acquisition device |
US6856472B2 (en) * | 2001-02-24 | 2005-02-15 | Eyesee360, Inc. | Panoramic mirror and system for producing enhanced panoramic images |
US20060023105A1 (en) * | 2003-07-03 | 2006-02-02 | Kostrzewski Andrew A | Panoramic video system with real-time distortion-free imaging |
US20100208213A1 (en) * | 2008-06-04 | 2010-08-19 | Satoru Yoshii | Entire-visual-field projection device, and entire-visual-field image system |
-
2012
- 2012-01-11 DE DE112012005632.9T patent/DE112012005632A5/en not_active Withdrawn
- 2012-01-11 WO PCT/DE2012/000015 patent/WO2013104347A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6118474A (en) * | 1996-05-10 | 2000-09-12 | The Trustees Of Columbia University In The City Of New York | Omnidirectional imaging apparatus |
US20010010555A1 (en) * | 1996-06-24 | 2001-08-02 | Edward Driscoll Jr | Panoramic camera |
US6327020B1 (en) * | 1998-08-10 | 2001-12-04 | Hiroo Iwata | Full-surround spherical screen projection system and recording apparatus therefor |
US20020126395A1 (en) | 2000-03-22 | 2002-09-12 | Sajan Gianchandani | Panoramic image acquisition device |
US6856472B2 (en) * | 2001-02-24 | 2005-02-15 | Eyesee360, Inc. | Panoramic mirror and system for producing enhanced panoramic images |
US20060023105A1 (en) * | 2003-07-03 | 2006-02-02 | Kostrzewski Andrew A | Panoramic video system with real-time distortion-free imaging |
US20100208213A1 (en) * | 2008-06-04 | 2010-08-19 | Satoru Yoshii | Entire-visual-field projection device, and entire-visual-field image system |
Also Published As
Publication number | Publication date |
---|---|
DE112012005632A5 (en) | 2014-10-23 |
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