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WO2013061334A1 - Dispositif d'imagerie stéréoscopique 3d avec parallaxe automatique - Google Patents

Dispositif d'imagerie stéréoscopique 3d avec parallaxe automatique Download PDF

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Publication number
WO2013061334A1
WO2013061334A1 PCT/IN2012/000447 IN2012000447W WO2013061334A1 WO 2013061334 A1 WO2013061334 A1 WO 2013061334A1 IN 2012000447 W IN2012000447 W IN 2012000447W WO 2013061334 A1 WO2013061334 A1 WO 2013061334A1
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WIPO (PCT)
Prior art keywords
imaging device
image
images
camera
stereoscopic imaging
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Ceased
Application number
PCT/IN2012/000447
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English (en)
Inventor
Devaraj MOHAN
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Individual
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Individual
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Publication date
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Publication of WO2013061334A1 publication Critical patent/WO2013061334A1/fr
Anticipated expiration legal-status Critical
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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
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance

Definitions

  • This invention relates to 3D stereoscopic imaging device with auto parallax Objectives:
  • Image storing database devices and Projection devices or displaying methods are as extended from 2D methods
  • the spectacle comprises present 3D stereoscopic imaging device and gives 3D illusion or double eye effect to the viewer while viewing through the single eye.
  • Range imaging is the name for a collection of techniques which are used to produce a 2D image showing the distance to points in a scene from a specific point, normally associated with some type of sensor device.
  • the resulting image, the range image has pixel values which correspond to the distance, e.g., brighter values mean shorter distance, or vice versa. If the sensor which is used to produce the range image is properly calibrated, the pixel values can be given directly in physical units such as meters
  • Stereo camera is a type of camera with two or more lenses with a separate image sensor or film frame for each lens. This allows the camera to simulate human binocular vision, and therefore gives it the ability to capture three-dimensional images, a process known as stereo photography. Stereo cameras may be used for making stereo views and 3D pictures for movies, or for range imaging. The distance between the lenses in a typical stereo camera (the intra-axial distance) is about the distance between one's eyes (known as the intra-ocular distance) and is about 6.35cm, though a longer base line (greater inter-camera distance) produces more extreme 3- dimensionality. Not all two-lens cameras are used for taking stereoscopic photos.
  • a twin-lens reflex camera uses one lens to image to a focusing/composition screen and the other to capture the image on film.
  • C. Lenticular lens A lenticular lens is an array of magnifying lenses, designed so that when viewed from slightly different angles, different images are magnified. The most common example is the lenses used in lenticular printing, where the technology is used to give an illusion of depth, or to make images that appear to change or move as the image is viewed from different angles.
  • Depth perception is the visual ability to perceive the world in three dimensions (3D) and the distance of an object.
  • Depth sensation is the ability to move accurately, or to respond consistently, based on the distances of objects in an environment
  • Parallax is an apparent displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines. Nearby objects have a larger parallax than more distant objects when observed from different positions, so parallax can be used to determine distances
  • Stereoscopy also called stereoscopic or 3-D imaging refers to a technique for creating or enhancing the illusion of depth in an image by presenting two offset images separately to the left and right eye of the viewer. Both of these 2-D offset images are then combined in the brain to give the perception of 3-D depth.
  • Three strategies have been used to accomplish this: have the viewer wear eyeglasses to combine separate images from two offset sources, have the viewer wear eyeglasses to filter offset images from a single source separated to each eye, or have the light source split the images directionally into the viewer's eyes (no glasses required; known as Auto stereoscopy).
  • J. Freeviewing Freeviewing is viewing a side-by-side image without using a viewer.
  • the parallel view method uses two images not more than 65mm between corresponding image points; this is the average distance between the two eyes. The viewer looks through the image while keeping the vision parallel; this can be difficult with normal vision since eye focus and binocular convergence normally work together.
  • the cross-eyed view method uses the right and left images exchanged and view the images cross-eyed with the right eye viewing the left image and vice-versa.
  • Prismatic, self masking glasses are now being used by cross-view advocates. These reduce the degree of convergence and allow large images to be displayed
  • K. Stereographic cards and the stereo scope Two separate images are printed side-by-side. When viewed without a stereoscopic viewer the user is required to force his eyes either to cross, or to diverge, so that the two images appear to be three. Then as each eye sees a different image, the effect of depth is achieved in the central image of the three.
  • L. Head-mounted displays The user typically wears a helmet or glasses with two small LCD or OLED displays with magnifying lenses, one for each eye. The technology can be used to show stereo films, images or games
  • Panoramic photography is a technique of photography, using specialized equipment or software, that captures images with elongated fields of view. It is sometimes known as wide format photography. The term has also been applied to a photograph that is cropped to a relatively wide aspect ratio. While there is no formal division between "wide-angle” and “panoramic” photography, "wide angle” normally refers to a type of lens, but using this lens type does not necessarily make an image a panorama. An image made with an ultra wide angle fisheye lens covering the normal film frame of 1 :1.33 is not automatically considered to be a panorama. An image showing a field of view approximating, or greater than, that of the human eye - about 160° by 75° - may be termed panoramic.
  • the resulting images take the form of a wide strip.
  • Some panoramic images have aspect ratios of 4:1 and sometimes 0:1 , covering fields of view of up to 360 degrees. Both the aspect ratio and coverage of field are important factors in defining a true panoramic image.
  • Spherical panoramas are the top of the line which not only capture the 360-degree field of view but in which you can also look up and down. They can even be taken in a way can't see the tripod nor the photographer's shadow in the picture.
  • incoming light can now be simultaneously separated into left and right images and recorded as it reaches the parallel light area (the area where diverging light from the point of focus on the subject matter becomes parallel) of the relay lens.
  • the separated left and right images are then processed and recorded with the respective left and right image sensors.
  • a vectograph is a type of stereoscopic print or transparency viewed using the polarized 3D glasses most commonly associated with projected three-dimensional motion pictures.
  • Anaglyph 3D The image has two color “layers”, and it is separating the layers while using glasses that has blue/red lenses. This is called Anaglyph
  • Polarized (passive) 3D A Polarized 3D uses a polarizing filter on the image so the left and right images each has a different polarization. You use passive glasses that filter the right image for each eye.
  • Active-shutter 3D The new breed of 3D TVs and projectors make use of a simple idea - you display images for the left and right eye alternatively - once the image for the left eye, and once for the right. Now all you have to do is wear glasses that block each eye in sync with the display, and you get 3D. Active Shutter 3D glasses main advantage is that the image looks great - just as they look in 2D on the same display.
  • Autostereoscopy is any method of displaying stereoscopic (3D) images without the use of special headgear or glasses on the part of the viewer. Because headgear is not required, it is also called “glasses-free 3D".
  • the technology includes two broad classes of displays: those that use head-tracking to ensure that each of the viewer's two eyes sees a different image on the screen, and those that display multiple views so that the display does not need to know where the viewers' eyes are directed.
  • Examples of autostereoscopic displays include parallax barrier, lenticular, volumetric, electro-holographic, and light field displays.
  • volumetric displays real 3D images: The most straightforward way to create a 3D display, is to actually creating it in 3D. These are called Volumetric displays, and which usually involves lasers and rotating or vibrating mirrors. A volumetric display using a mirror that is rotating very very fast, and a projector that projects an image on it... this creates a 3D image that you can view all around (360 degrees).
  • This present invention gives us a 3D stereoscopic imaging device incorporating the RHS imaging devices or camera and LHS imaging devices or camera simultaneously to generates a high resolution, wide and depth of field of view with absolutely no parallax error image database from which images are stitched by the arrangement of either image Stitching Module or Computer software and stores in the device as extended from 2D image storing methods to provide parallax, wide and depth of field of view while reviewing or projecting or displaying through methods as extended from 2D methods with naked eye or eyes.
  • FIG. 1 is a plan view of a 3D stereoscopic imaging device according to the present invention
  • the resulting of left and right signals are fed to either image Stitching Module or Computer software to store the stitched images in the device as extended from 2D image storing methods.
  • the present 3D stereoscopic imaging device is comprise the view finder and it is receives the signals of stitched images from either image Stitching Module or Computer hence the overall effect of Image on view finder gives 3D illusion to the viewer.
  • No 1 of FIG. 2 is signifying parallax for volumetric of coverage
  • No 2 of FIG. 2 is signifying casing of 3D stereoscopic imaging device
  • No 3 of FIG. 2 is signifying RHS imaging device or Camera
  • No 4 of FIG. 2 is signifying Gear and Motor Assembly for linear adjustment
  • No 5 of FIG. 2 is signifying Terminal for Video out and Power in
  • No 6 of FIG. 2 is signifying image Stitching Module with branching cable and connecting terminals for substances
  • No 7 of FIG. 2 is signifying Zoom in and Zoom out for RHS imaging device or Camera and LHS imaging device or Camera
  • No 8 of FIG. 2 is signifying Gear and Motor Assembly for angular adjustment
  • No 9 of FIG. 2 is signifying Optical ray
  • No 10 of FIG. 2 is signifying Mounting arrangement for linear adjustment
  • No 11 of FIG. 2 is signifying belt arrangement for movement of mounting arrangement for linear adjustment
  • No 12 of FIG. 2 is signifying LHS imaging device or Camera
  • No 13 of FIG. 2 is signifying accessory arrangement for angular adjustment
  • No 14 of FIG. 2 is signifying Guiding arrangement for angular adjustment
  • No 15 of FIG. 2 is signifying Nut arrangement on Screw rod arrangement for angular adjustment
  • No 16 of FIG. 2 is signifying Screw rod with Gear arrangement for angular adjustment
  • No 17 of FIG. 2 is signifying alignment for parallax for volumetric of coverage
  • No 18 of FIG. 2 is signifying View finder
  • FIG. 3 is a diagram is explaining the plan view of optical rays of present 3D stereoscopic imaging device
  • No 1 of FIG. 3 is signifying parallax for volumetric of coverage
  • No 2 of FIG. 3 is signifying RHS Axis
  • No 3 of FIG. 3 is signifying LHS Axis
  • No 4 of FIG. 3 is signifying Screen of Auditorium
  • No 5 of FIG. 3 is signifying LHS imaging device or Camera
  • No 6 of FIG. 3 is signifying RHS imaging device or Camera
  • No 7 of FIG. 3 is dotted lines are signifying the Illusion effects
  • No 8 of FIG. 3 is signifying the Projection equipment
  • FIG. 4 is a diagram is explaining the properties on neither RHS imaging devices or camera nor LHS imaging devices or camera of the present 3D stereoscopic imaging device as while the sum of the volume of cone having as diameter is on plane of area coverage of object and as length is nothing but the distance between focal point and plane of area coverage of object and the volume of cone having as diameter is on plane of area coverage of image and as length is nothing but the distance between focal point and plane of area coverage of image shall be equal sum while interchanging the object and image.
  • FIG. 4 "F” representing Focal point of lens
  • FIG.4 "LN” representing lens
  • FIG. 4 "OB" representing Objects
  • FIG. 4 representing Image FIG. 4
  • a and C representing volume of cone having as diameter is on plane of area coverage of object and as length is nothing but the distance between focal point and plane of area coverage of object
  • FIG. 4 representing volume of cone having as diameter is on plane of area coverage of image and as length is nothing but the distance between focal point and plane of area coverage of image
  • FIG. 5 is a plan view of a spectacle comprises present 3D stereoscopic imaging device and gives 3D illusion or double eye effect to the viewer while viewing through the single eye
  • No 1 of FIG. 5 is signifying alignment for parallax for volumetric of coverage
  • No 2 of FIG. 5 is signifying View finder
  • No 3 of FIG. 5 is signifying LHS imaging device or Camera
  • No 4 of FIG. 5 is signifying RHS imaging device or Camera
  • No 5 of FIG. 5 is signifying Zoom in and Zoom out for RHS imaging device or Camera and LHS imaging device or Camera
  • the present invention relates to a 3D stereoscopic imaging device incorporating the RHS imaging devices or camera and LHS imaging devices or camera simultaneously to generates a high resolution, wide and depth of field of view with absolutely no parallax error image database from which images are stitched by the arrangement of either image Stitching Module or Computer software and stores in the device as extended from 2D image storing methods to provide parallax, wide and depth of field of view while reviewing or projecting or displaying through methods as extended from 2D methods with naked eye or eyes.
  • FIG. 2 Stereoscopic images are formed at present 3D stereoscopic imaging device by fitting the imaging devices with an appropriate angle subject to absolutely no parallax error in other words RHS imaging devices must cover the LHS volume of area and LHS imaging devices must cover the RHS volume of area, creating parallax to provide the third dimension of depth perception.
  • the resulting left and right signals are fed to either image Stitching Module or Computer software to store the stitched images in the device as extended from 2D image storing methods.
  • FIG. 3D stereoscopic imaging device is comprises the arrangement between RHS imaging devices or camera and LHS imaging devices or camera hence the images comprise the Real LHS optical lens axis and Real RHS optical axis and virtual third axis.
  • Virtual axis is being stitched the images captured by LHS or RHS camera and gives separate depth illusion.
  • the images originated to virtual axis are being observed on priority by human naked eye or eyes,
  • FIG. 4 Find the properties on neither RHS imaging devices or camera nor LHS imaging devices or camera of the present 3D stereoscopic imaging device as while the sum of the volume of cone having as diameter is on plane of area coverage of object and as length -is nothing but the distance between focal point and plane of area coverage of object and the volume of cone having as diameter is on plane of area coverage of image and as length is nothing but the distance between focal point and plane of area coverage of image shall be equal sum while interchanging the object and image.
  • the present 3D stereoscopic imaging device comprises the LHS imaging device or Camera, RHS imaging device or Camera are mounted on a Jig and the mounting is assembled with the facility of angular adjustment away from the Parallax or towards to the Parallax and perpendicularly linear adjustment away from the Parallax or towards to the Parallax in simultaneously or separately for individual camera or both the cameras.
  • the present 3D stereoscopic imaging device comprises the operating principles is Focus in: The facility on Mounting for angular adjustment to be adjusted as away from the Parallax in simultaneously or separately for individual camera or both the cameras until the subject to high resolution image.
  • Focus out The facility on Mounting for angular adjustment to be adjusted as towards to the Parallax in simultaneously or separately for individual camera or both the cameras until the subject to high resolution image.
  • Zoom in The facility on Mounting for angular adjustment to be adjusted as away from the Parallax in simultaneously or separately for individual camera or both the cameras until the subject to high resolution image.
  • Zoom out - The facility on Mounting for angular adjustment to be adjusted as towards to the Parallax in simultaneously or separately for individual camera or both the cameras until the subject to high resolution image.
  • the present 3D stereoscopic imaging device is comprise the view finder and it is receives the signals of stitched images from either image Stitching Module or Computer hence the overall effect of Image on view finder gives 3D illusion to the viewer.
  • the spectacle incorporating the present 3D stereoscopic imaging device hence it gives 3D illusion or double eye effect to the viewer while viewing through the single eye.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

L'invention concerne un dispositif d'imagerie stéréoscopique 3D qui comprend simultanément des dispositifs d'imagerie ou une caméra RHS et des dispositifs d'imagerie ou une caméra LHS afin de générer une base de données d'images à champ de vue large et profond sans aucune erreur de parallaxe, de laquelle des images peuvent être assemblées en utilisant un module d'assemblage d'images ou un logiciel informatique, et de stocker dans le dispositif sous forme d'extension d'enregistrement d'image 2D des procédés fournissant un champ de vue large et profond avec parallaxe tout en révisant ou en projetant ou en affichant à l'aide des procédés dérivés de procédés 2D à l'œil nu.
PCT/IN2012/000447 2011-10-25 2012-06-22 Dispositif d'imagerie stéréoscopique 3d avec parallaxe automatique Ceased WO2013061334A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3667/CHE/2011 2011-10-25
IN3667CH2011 2011-10-25

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WO2013061334A1 true WO2013061334A1 (fr) 2013-05-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113936063A (zh) * 2020-12-30 2022-01-14 诡谷子人工智能科技(深圳)有限公司 一种双光路成像装置及图像深度检测方法、存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5264964A (en) * 1991-12-18 1993-11-23 Sades Faris Multi-mode stereoscopic imaging system
WO2006062325A1 (fr) * 2004-12-06 2006-06-15 Electronics And Telecommunications Research Institute Dispositif destine a corriger la distorsion d'image d'un appareil photo stereo et procede associe
WO2010075726A1 (fr) * 2008-12-30 2010-07-08 华为终端有限公司 Procédé et dispositif de génération de flux vidéo panoramique stéréoscopique, et procédé et dispositif de visioconférence

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5264964A (en) * 1991-12-18 1993-11-23 Sades Faris Multi-mode stereoscopic imaging system
WO2006062325A1 (fr) * 2004-12-06 2006-06-15 Electronics And Telecommunications Research Institute Dispositif destine a corriger la distorsion d'image d'un appareil photo stereo et procede associe
WO2010075726A1 (fr) * 2008-12-30 2010-07-08 华为终端有限公司 Procédé et dispositif de génération de flux vidéo panoramique stéréoscopique, et procédé et dispositif de visioconférence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113936063A (zh) * 2020-12-30 2022-01-14 诡谷子人工智能科技(深圳)有限公司 一种双光路成像装置及图像深度检测方法、存储介质

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