169 results about "3d image processing" patented technology

A background image generator 51 renders a first 3D model representing a landscape to generate a background image, an image generator 52 generates a second 3D model to be located between a camera viewpoint and the first 3D model, an image adhering unit 53 selects a specified range of the background image and adheres the background image within the selected range as a texture to the second 3D model, and a combined image generator 54 renders the second 3D model having the background image within the specified range adhered thereto and combines the rendered model with the background image to generate a combined image.

A 3d image processing apparatus and method for generating a three-dimensional (3D) image from two-dimensional (2D) images are provided. An image file format of the present invention includes an image start segment for indicating a start of an image file; an image information segment for storing information on the image file; a two-dimensional image segment for storing first two-dimensional image data; and an image end segment for indicating and end of the image file, wherein the image information segment comprises a variable length information field for storing information indicating the image information segment contains three-dimensional image and three-dimensional image data.

A 3D image processing apparatus first generates a combined view volume that contains view volumes set respectively by a plurality of real cameras, based on a single temporary camera placed in a virtual 3D space. Then, this apparatus performs skewing transformation on the combined view volume so as to acquire view volumes for each of the plurality of real cameras. Finally, two view volumes acquired for the each of the plurality of real cameras are projected on a projection plane so as to produce 2D images having parallax. Using the temporary camera alone, the 2D images serving as base points for a parallax image can be produced by acquiring the view volumes for the each of the plurality of real cameras. As a result, a processing for actually placing the real cameras can be skipped, so that a high-speed processing as a whole can be realized.

A mobile terminal including a first camera configured to receive an input of a first image; a second camera configured to receive an input of a second image; a touchscreen configured to display a photograph command key including a first zone, a second zone and a common zone; and a controller configured to set a photograph mode selected from a 3D photograph mode and a 2D photograph mode, to control the first and second cameras to respectively capture the first and second images upon receiving a photograph command touch action on the common zone, and to perform either a 3D image processing or a 2D image processing on the photographed first and second images according to the set photograph mode.

Provided are an image processing apparatus and method which can adjust the disparity of an input three-dimensional (3D) image and stably display the 3D image. The image processing apparatus includes: an image dividing unit receiving a 3D image and dividing the 3D image into a left-eye image and a right-eye image; a histogram generation unit estimating disparities between the left-eye image and the right-eye image, measuring a frequency with which the estimated disparities occur, and generating a histogram of the disparities and the frequency; a horizontal movement value determination unit determining a horizontal movement value for the left-eye image and the right-eye image using the generated histogram; and a horizontal movement unit moving the left-eye image and the right-eye image horizontally based on the determined horizontal movement value. The image processing apparatus can control convergence of an image to enhance 3D effects and reduce eye fatigue.

Example embodiments relate to a three-dimensional (3D) image processing apparatus and method that may determine a Region Of Interest (ROI) in an entire sensing region of the 3D image processing apparatus, and may obtain a depth image of the ROI. Also, example embodiments may be applied to a surveillance camera system, a motion detection system, a virtual reality simulation system, a distance recognition system for vehicles, a robotic system, a background separation system based on depth information, etc.

Provided is point-based efficient three-dimensional (3D) information representation from a color image that is obtained from a general Charge-Coupled Device (CCD) / Complementary Metal Oxide Semiconductor (CMOS) camera, and a depth image that is obtained from a depth camera. A 3D image processing method includes storing a depth image associated with an object as first data of a 3D data format, and storing a color image associated with the object as color image data of a 2D image format, independent of the first data.

A method and a 3D display apparatus for processing a stereoscopic image signal in high rate by software while using a least number of hardware components in a portable 3D display apparatus based on a mobile Android platform are provided. This method is suitable for a portable terminal apparatus equipped with a kernel layer directly controlling hardware means including a display panel, and an application / middleware layer controlling the kernel layer to display a motion picture through the hardware means. One or more plane image surfaces are first generated from the application / middleware layer and stored in a first frame buffer. An encoded image signal is decoded under the application / middleware layer to restore a YUV image signal representing a stereoscopic image pair. Subsequently, the YUV image signal is converted into an RGB image signal, and left and right images of the RGB image signal are mixed at the kernel layer.

A 3D image processing apparatus comprises a storing unit storing mask images corresponding to projection directions associated with a subject contrast images corresponding to the projection directions, a subtracting unit generating subtraction images by subtracting the mask images from the contrast images, a reconstruction unit reconstructing first volume data from the mask images and reconstructs second volume data from the subtraction images, an image processing unit generating a first 3D image representing a bone structure and / or a soft tissue structure from the first volume data, and generates a second 3D image representing a contrasted blood vessel from the second volume data, an image synthesizing unit generating a synthetic image by synthesizing the first 3D image with the second 3D image, and a displaying unit displaying the synthetic image.

The invention is a fast player posting method in an electronic game, relates to the field of 3D image processing technique, comprising: making detection and key point location on the right face of a player detected by a camera so as to be able to accurately obtain human face characteristic information; according to 3D human face database, building a corresponding relation between right and side face parameters, estimating the depth information of face characteristic points of the player; using the detection results, obtaining a face outline texture diagram to form a face texture diagram; using the radius basic function interpolation to deform standard model and making texture fitting, and obtaining a real face model of the player, thus strengthening the immersing sense of the player.

The invention discloses a three-dimensional (3D) printing robot system based on magneto-rheological materials and a 3D printing method based on the magneto-rheological materials, and particularly relates to the 3D printing robot system based on the magneto-rheological materials and the 3D printing method based on the magneto-rheological materials. The 3D printing robot system based on the magneto-rheological materials and the 3D printing method based on the magneto-rheological materials combines a 3D stereoimaging technology and a rapid forming technology based on a magneto-rheological effect, can directly read 3D image data, then prints layer by layer and conducts solidifying forming, and finally forms a 3D entity model. The 3D printing robot system based on the magneto-rheological materials is based on the 3D stereoimaging technology, a magneto-rheological technology, a fine control technology, a digitalizing image technology and the like, and comprises a 3D stereoimaging system, a computer 3D image processing software, a mechanical arm 3D moving system, a magneto-rheological material flow quantity control system, a dye mixing and control system, a magnetic generating and regulating system and the like. a designer aims to design a man-machine interactive system which massively produces models or products and has the advantages of being low in cost, simple and fast, individual and digital.

A 3D image display apparatus includes a tracking module, a position calculating module, an intensity calculating module, a 3D image processing module, an image converting module and a display module. The tracking module tracks an object and outputs coordinate information of the object. The position calculating module outputs position information according to the coordinate information. The intensity calculating module outputs intensity coefficient information according to the position information. The 3D image processing module receives the intensity coefficient information. The image converting module outputs target intensity information to the 3D image processing module according to original 3D image information. The display module receives modified 3D image information. The 3D image processing module outputs modified intensity information to the image converting module according to the intensity coefficient information and the target intensity information, and then the image converting module outputs the modified 3D image information according the modified intensity information.

A 3D image processing apparatus comprises a storing unit storing mask images corresponding to projection directions associated with a subject contrast images corresponding to the projection directions, a subtracting unit generating subtraction images by subtracting the mask images from the contrast images, a reconstruction unit reconstructing first volume data from the mask images and reconstructs second volume data from the subtraction images, an image processing unit generating a first 3D image representing a bone structure and / or a soft tissue structure from the first volume data, and generates a second 3D image representing a contrasted blood vessel from the second volume data, an image synthesizing unit generating a synthetic image by synthesizing the first 3D image with the second 3D image, and a displaying unit displaying the synthetic image.

Three dimensional image processing is described for example, for digital rendering of real-world objects, medical imaging applications and digital effects rendering. In an example, a 3D image processing apparatus takes a binary volume representation of a three dimensional image and forms an embedding function substantially consistent with the binary volume. In examples, the embedding function is smoothed by regularizing the at least second order derivatives and optimized using a convex optimization engine. In an embodiment the optimized embedding function is used to create a surface representation of the three dimensional object using an iso-surface extraction engine. In another embodiment the surface representation may be directly rendered on a display using volume rendering techniques.

The invention discloses an automobile or mobile device 3D image acquisition and naked-eye 3D head-up display system and a 3D image processing method. The automobile or mobile device 3D image acquisition and naked-eye 3D head-up display system includes a head-up display, a group of naked-eye 3D screens, a group of bionic 3D viewpoints, a 3D intelligent center, an automobile left side and right side bionic 3D viewpoint sight glass and an intra-automobile naked-eye 3D rearview mirror. With the automobile or mobile device 3D image acquisition and naked-eye 3D head-up display system and the 3D image processing method of the invention adopted, when a driver drives an automobile or uses a mobile device, he or she does not need to leave his or her sight from a road ahead to acquire information, and the driver can judge the relative distances of his or her automobile and other automobiles or pedestrians in adjacent lanes or lanes behind the his or her automobile according to 3D images which come from one group of bionic 3D viewpoints, are played by one group of naked-eye 3D screens in the automobile and have been subjected to bionic 3D image reconstruction technological processing; and an automobile naked-eye 3D playing platform can be provided for a 3D navigation map provided by the invention and other 3D navigation maps made by a third party.

Disclosed are data storing and processing methods or apparatuses which may efficiently perform a process of retrieving neighboring points between points stored in a leaf cell in a point-based 3D data expressing method. A computer-readable recording medium having stored thereon instructions for implementing a method of three-Dimensional (3D) data processing, the instructions including an instruction set of connecting each of a plurality of points with a leaf cell of a spatial tree structure; an instruction set of assigning a ball to correspond to each of the plurality of points; and an instruction set of connecting the ball with a leaf cell intersecting the ball.

In some embodiments of the invention, when a color component (e.g. red, green or blue) is reconstructed at a pixel from the intensity values for this component at adjacent pixels, the intensities at the adjacent pixels are assigned weights. Greater weights are assigned to those pixels for which a gradient is smaller. The gradient for each adjacent pixel is indicative of a magnitude of a change of another color component in the direction of the adjacent pixel and / or a magnitude of the rate of change of the other color component in the direction of the adjacent pixel. In some embodiments, the weights are chosen to reduce the impact of noise. In some embodiments, the reconstructed value of a color component is adjusted to incorporate information on color spikes that is carried by another color component.

The invention provides a super-resolution reconstruction method in which multi-view depth information is fused, belongs to the field of machine vision, and provides basis for 3D image processing technologies as virtual viewpoint drafting. The method comprises the following steps that 1) a trusted depth value is determined according to the restriction determining conditions that the depth values of the same 3D point shot in different visual angels are the same or close to one another and that the pixel values of color pictures are very close to one another when adjacent viewpoint color pictures and depth maps are used to draw single-viewpoint virtual view; 2) after that a trusted weight expression Ri, j(p) is determined, a matching point of all pixel points of the present viewpoint is searched according to a stereoscopic matching relation, the depth value credibility is combined with a virtual view quality credibility, and a multi-view depth map fusion mechanism is provided; and 3) the depth map is reconstructed. The method of the invention is mainly applied to 3D image processing.

The present invention provides an image accelerator and an image processing method. The image accelerator includes: a DMA controller, a buffer, a creater, and a composing slice element operation component. The DMA controller transfers the corresponding data stored in an external memory to the buffer; the creater takes data out from the buffer, conducts value inserting according to parameters, produces information of every point of a triangle, makes calculation on data of every pixel which is gotten after the value inserting, the composing slice element operation component conducts composing slice element operation on the parameter according to the signal of the creater, and writes results back to the buffer. The present invention does not excessively occupy the resource of the microprocessor and the accessing bandwidth of the memory, can meet the real time performance of the 3D image processing, can meet the requirement of the low power consumption of the equipment, and has low cost.

A three-dimensional (3D) image processing apparatus and method are provided for use with a 3D image divided into a left-eye image and a right-eye image. The apparatus includes a disparity estimation unit estimating disparities between the left-eye image and the right-eye image; a horizontal movement determination unit determining a horizontal movement value for the left-eye image and the right-eye image using the estimated disparities; and a horizontal movement unit horizontally moving the left-eye image and the right-eye image based on the determined horizontal movement value. In the method and apparatus, a receiving end which receives and displays a 3D image can enhance 3D effects and reduce eye fatigue by adjusting the disparity of the 3D image.

Provided is a 3D image processing apparatus and method. The 3D image processing apparatus may determine, with a small amount of calculation, a quantization parameter to be used for compressing a depth image, based on a quantization parameter used for compressing a color image and characteristics of the color image and the depth image.

The invention discloses a toy tank remotely controlled through the first perspective. The toy tank comprises a toy tank body and a control terminal. The control terminal comprises a wireless data module and a display screen. The toy tank body is provided with a network signal processing device, a travel control module and a video collecting device. The video collecting device is installed at the front end of the toy tank body and comprises two cameras fixed to the vehicle head of the toy tank body. The network signal processing device comprises an embedded type wireless data module and a 3D image processing module. The travel control module and the video collecting device are connected with the network signal processing device. The toy tank remotely controlled through the first perspective aims at solving the problem that in the prior art, an intuition experience is lacked in the using process of a remote control toy tank, and the purpose of conducting 3D image observation with the toy tank as the first perspective is achieved.

The presnent invention provided a 3D image processing apparatus and method. A 3D image processing apparatus first generates a combined view volume that contains view volumes set respectively by a plurality of real cameras, based on a single temporary camera placed in a virtual 3D space. Then, this apparatus performs skewing transformation on the combined view volume so as to acquire view volumes for each of the plurality of real cameras. Finally, two view volumes acquired for the each of the plurality of real cameras are projected on a projection plane so as to produce 2D images having parallax. Using the temporary camera alone, the 2D images serving as base points for a parallax image can be produced by acquiring the view volumes for the each of the plurality of real cameras. As a result, a processing for actually placing the real cameras can be skipped, so that a high-speed processing as a whole can be realized.

The invention discloses a naked eye 3D image processing method, device and equipment, and the method comprises the steps: carrying out the eyeball positioning of the eyes of a viewer according to theobtained face image, collected by a binocular camera, of the viewer, and obtaining the viewpoint position where the sight line of the viewer falls on a screen; When the viewpoint position is obtained,first depth information for rendering the 3D naked eye image is obtained; And according to the viewpoint position, dividing a scene area image corresponding to the viewpoint position on the 3D nakedeye image, rendering the scene area image according to the first depth information, and fuzzifying other area images. According to the invention, eyeball positioning can be carried out through the face image, the corresponding image scene can be rendered according to the movement of the viewpoint so as to clearly present the part of the image to a viewer, and the surrounding scene is displayed ina fuzzy manner.

The present technique relates to an image processing device and an image processing method that enable generation of high-quality color images and depth images of the viewpoints other than the reference point on the receiving end even if the precision of the reference-point depth image is low when the occlusion regions of color images and depth images of the viewpoints other than the reference point are transmitted. A warping unit performs a foreground-prioritized warping operation toward the left viewpoint on the reference-point depth image. Using the reference-point depth image of the left viewpoint obtained as a result of the warping operation, an occlusion determining unit detects a left-viewpoint occlusion region that appears when a viewpoint is converted from the reference point to the left viewpoint. The present technique can be applied to 3D image processing devices, for example.

A method enabling a destroyed part of a joint or joint cartilage to be extracted accurately and at a high speed with a good repeatability and enabling quantitative and simple 3D analysis of the joint and the destroyed part, that is, a method of 3D image processing comprising filling in a medullary cavity region, comprised of a hollow region inside a joint, of a digitalized image of a cross-section of the examined joint using the Expansion and Shrinkage method, performing 3D labeling by a 3D image obtained by stacking digitalized images of cross-sections of the examined joint generated at a step of extracting a contour of the cross-sectional image of the joint or digitalized images of cross-sections of the examined joint not pre-processed, and defining the joint image to be evaluated.

Multiplication coefficients K1 and K2 in a first multiplying section and a second multiplying section are controlled based on the correlation in a parallax adjusted right-eye signal and a parallax adjusted left-eye signal output from a first parallax adjusting section respectively or based on the parallax calculated by the first parallax adjusting section. Thus, a 3D image processing device is provided that efficiently reduces the noise of a 3D video signal without using frame memory and without being affected by a scene change.

A 3D image processing device capable of processing a 3D image signal, the 3D image signal including a left eye image signal and a right eye image signal and realizing a 3D The 3D image processing device includes: a parallax detecting unit operable to receive the left eye image signal and the right eye image signal, detect a parallax of an object within the 3D image, and output the detected parallax as parallax information; and an image processing unit operable to perform, based on the parallax information, a predetermined image processing to an image region of an object of at least one of the left eye image signal and the right eye image signal, the object having a parallax within a predetermined range.

The invention relates to an electronic chessboard comprising a core processing unit, a display unit, a chess piece signal converting unit, a storage unit and a three dimensional (3D) image processing unit, wherein the core processing unit is used for executing instructions in the whole chess playing process and processing data and information; the display unit is used for displaying the chessboard and chess pieces and capable of identifying touch actions on the display unit; the chess piece signal converting unit is used for converting the touch actions on the surface of the display unit into operations on the chess pieces; the storage unit is used for storing various game data as well as temporary data and cached data which are produced in the playing process; and the 3D image processing unit is used for converting chessboard and chess piece images displayed by the display unit into three-dimensional images. The electronic chessboard is capable of presenting a three-dimensional effect and running various different chess games.

A 3D image processing apparatus includes: a main screen image processing unit which generates a main screen processed image by performing a format conversion process on a main screen image; a sub screen image processing unit which generates a sub screen processed image by performing a format conversion process on a sub screen image; and a synthesizing unit which generates a synthesized image by synthesizing the main screen processed image and the sub screen processed image. Furthermore, the main screen image processing unit generates a left screen output image by performing the format conversion process on a left screen input image that is a left half of a 3D image, and the sub screen image processing unit generates a right screen output image by performing the format conversion process on a right screen input image that is a right half of a 3D image.