48 results about "Stereoscopic acuity" patented technology

An illumination channel, a stereoscopic optical channel and another optical channel are held and positioned by a robotic surgical system. A first capture unit captures a stereoscopic visible image from the first light from the stereoscopic optical channel while a second capture unit captures a fluorescence image from the second light from the other optical channel. An intelligent image processing system receives the captured stereoscopic visible image and the captured fluorescence image and generates a stereoscopic pair of fluorescence images. An augmented stereoscopic display system outputs a real-time stereoscopic image comprising a three-dimensional presentation of a blend of the stereoscopic visible image and the stereoscopic pair of fluorescence images.

An endoscope with a stereoscopic optical channel is held and positioned by a robotic surgical system. A capture unit captures (1) a visible first image and (2) a visible second image combined with a fluorescence second image from the light. An intelligent image processing system receives (1) the visible first image and (2) the visible second image combined with the fluorescence second image and generates at least one fluorescence image of a stereoscopic pair of fluorescence images and a visible second image. An augmented stereoscopic display system outputs a real-time stereoscopic image including a three-dimensional presentation including in one eye, a blend of the at least one fluorescence image of a stereoscopic pair of fluorescence images and one of the visible first and second images; and in the other eye, the other of the visible first and second images.

An auto-stereoscopic multi-dimensional display component is applicable for receiving and splitting a backlight source into waveband lights, and the waveband lights can be refracted to different positions of colored pixels. The multi-dimensional display component comprises a color grating element and a light guiding element; wherein the color grating element is configured to split and refract the backlight source, while the light guiding element emits the waveband lights towards the corresponding pixel positions. When the auto-stereoscopic multi-dimensional display component is applied in an image display device, it becomes a device of different dimensions according to its spectroscopical position.

The invention discloses a stereoscopic vision matching method based on an adaptive feature window, and belongs to the technical field of image information processing. The stereoscopic vision matching method comprises the steps of associating feature selection with an intrinsic feature of an image, and training a feature selection classifier on the basis of a logistic regression method; applying the obtained trained feature selection classifier to stereoscopic matching in an actual scene, selecting a proper feature window, carrying out matching cost calculation by combining a color feature, carrying out matching cost aggregation on the basis of a partition tree method, and finally calculating a parallax result of the stereoscopic matching according to a winner retaining mode. According to the method, the stereoscopic matching is carried out by selecting the proper feature according to the actual application scene, so that the matching performance can be effectively improved, and the parallax calculation precision is improved.

The invention discloses a camera module and an acquisition method and adjustment method of an inclined image plane of the camera module. The acquisition method includes the following steps: judging whether interpolation operation is needed when acquiring image plane inclination of the camera module; shooting a test pattern of a stereoscopic chart through the camera module, so as to obtain resolution data of the camera module; and acquiring the image plane inclination of the camera module according to the resolution data of the camera module. In this way, the acquisition method can improve the accuracy and efficiency of testing the image plane inclination of the camera module.

The invention discloses an objective evaluation method of full-reference stereo image quality based on visual salient image feature enhancement. At first, a stereoscopic image is converted from an RGBcolor space to a YIQ color space, The brightness components are extracted from Y-channel to obtain disparity map and visual saliency map, and then the left and right views of Y-channel are fused to obtain the intermediate image, and then the edge / texture and depth information features with significantly enhanced vision are extracted, and similarity measurement is carried out to obtain the corresponding measurement index. Secondly, color information features are extracted from I and Q channels of stereoscopic images, binocular fusion and similarity measurement are carried out, and color information metrics with significantly enhanced vision are obtained. Finally, all the metrics are predicted by support vector regression training, and the objective quality score is obtained. Experiments show that the objective evaluation and the subjective evaluation of the stereoscopic image quality proposed by the invention have good consistency, and the performance is superior to most existing stereoscopic image quality evaluation methods.

A motionless adaptive focus stereoscopic scene capture apparatus employing tunable liquid crystal lenses is provided. The apparatus includes at least two image sensors preferably fabricated as a monolithic stereo image capture component and at least two corresponding tunable liquid crystal lenses preferably fabricated as a monolithic focus adjustment component. Using a variable focus tunable liquid crystal lens at each aperture stop provides constant magnification focus control. Controlled spatial variance of a spatially variant electric field applied to the liquid crystal of each tunable liquid crystal lens provides optical axis shift enabling registration between stereo images. A controller implements coupled auto-focusing methods employing multiple focus scores derived from at least two camera image sensors and providing multiple tunable liquid crystal lens drive signals for synchronous focus acquisition of a three dimensional scene. Wafer manufacture provides a compact stereoscopic image capture apparatus for endoscopic surgery, optical inspection and entertainment applications.

A portable terminal for generating and reproducing stereoscopic data is provided. More particularly, an apparatus and method for providing stereoscopic audio by applying a sense of distance to audio data by the use of subject information of image data when generating the stereoscopic data are provided. An apparatus for generating stereoscopic data in the portable terminal includes an image processor for applying a stereoscopic effect to image data by acquiring the image data for generating the stereoscopic data via a plurality of cameras, and for recognizing subject motion information of the image data. An audio processor applies a stereoscopic effect to audio data in accordance with the subject motion information ascertained from video data after acquiring audio data for generating the stereoscopic data.

The invention provides a method for interactively displaying a stereoscopic object effect. According to the method, powerful calculation capacity is not required, and the object can be interactively displayed with a stereoscopic spatial vision effect on stereoscopic display equipment such as a stereoscopic display, a stereoscopic Pad and a stereoscopic mobile phone. The method comprises the following steps of: (1) acquiring an image set by performing 720-degree omnibearing observation on the object in a stereoscopic space; (2) numbering all the images in the image set according to polar coordinates; (3) positioning the observation angle and distance on the interactive equipment; (4) generating an image sequence which is respectively conveyed to the left and right eyes according to the corresponding angle and distance change; and (5) displaying a stereoscopic visual effect. The image sequence is only required to be obtained according to an algorithm, and powerful calculation capacity is not required, so that the interactive display can be realized on the stereoscopic equipment, and an excellent stereoscopic impression is guaranteed. The object can be rotated, dragged, pulled to a close part and subjected to other operations in the stereoscopic space.

An auto-stereoscopic multi-dimensional display component is applicable for receiving and splitting a backlight source into waveband lights, and the waveband lights can be refracted to different positions of colored pixels. The multi-dimensional display component comprises a color grating element and a light guiding element; wherein the color grating element is configured to split and refract the backlight source, while the light guiding element emits the waveband lights towards the corresponding pixel positions. When the auto-stereoscopic multi-dimensional display component is applied in an image display device, it becomes a device of different dimensions according to its spectroscopical position.

A computer-implemented method for measuring the stereoscopic quality of a computer-generated object in a three-dimensional computer-generated scene. The computer-generated object is visible from at least one camera of a pair of cameras used for creating a stereoscopic view of the computer-generated scene. A set of surface vertices of the computer-generated object is obtained. A stereoscopic transformation on the set of surface vertices is computed to obtain a set of transformed vertices. A translation vector and a scale vector are computed and applied to the set of transformed vertices to obtain a ghosted set of vertices. The ghosted set of vertices is approximately translational and scale invariant with respect to the set of surface vertices. A sum of the differences between the set of surface vertices and the set of ghosted vertices is computed to obtain a first stereo-quality metric.

The invention discloses a stereoscopic curing system and method. The stereoscopic curing system comprises at least one first curing kiln, at least one second curing kiln, a plurality of curing die holders, a first lifting device, a transverse conveying device and heating devices, wherein the first curing kiln and the second curing kiln are adjacent to each other, the curing die holders can get in and out of the first curing kiln and the second curing kiln and be used for bearing fabricated parts to be cured, the first lifting device is arranged on the lower portion of the first curing kiln and used for driving the curing die holders to lift, the transverse conveying device is used for driving the curing die holders to transversely move from the first curing kiln to the second curing kiln, and the heating devices are arranged in the first curing kiln and the second curing kiln. Compared with the situation that a plurality of curing chambers with different curing conditions need to be independently arranged in the prior art, the stereoscopic curing system and method greatly save space and improve curing efficiency.

The invention discloses an image three-dimensional representation method based on parallax hierarchical segmentation, and a system. Firstly, parallax information of 3D images are obtained by utilizing an existing parallax estimation algorithm; secondly, depth direction quantized intervals are determined according to stereoscopic visual acuity of the visual sense and complexities of image contents in the depth direction, and different depth plane segmentation methods are established; a parallax map is segmented relying on depth intervals according to the quantized intervals determined by various depth planes, and image segmentation templates corresponding to the various depth planes are formed; and, finally, an original image is segmented by utilizing the image segmentation templates of the various depth planes, image contents obtained through segmentation are located on the corresponding depth planes and are redrawn on various planes of the corresponding depth spaces, and a depth space distributed three-dimensional representation manner corresponding to the image is formed. The original image is segmented based on the parallax information of the 3D images, and inner depth information of image objects in various depth intervals in the 3D images is significantly and visually representated.

The present invention discloses a structure texture sparse representation based objective assessment method for stereoscopic image quality. The method comprises: in a training phase, performing separation of structure and texture on left view point images of a plurality of distortion stereoscopic images, performing dictionary training on a collection constructed by sub blocks of all structural images through an unsupervised learning mode to obtain a structure dictionary table, and performing dictionary training on a collection constructed by sub blocks of all texture images to obtain a texture dictionary table. In a test phase, according to the structure dictionary table and the texture dictionary table, performing joint optimization to obtain a structure sparse coefficient matrix and a texture sparse coefficient matrix, and calculating an image quality object evaluation value of the distortion stereoscopic images, so that an excellent consistency is maintained with a subject evaluation value, the structure dictionary table and the texture dictionary table do not need to be calculated again in the testing phase, calculating complexity is reduced, and the subjective evaluation value is not needed to be foreseen, and thus the method is applicable to practical application occasions.

The invention discloses a 3D fast printing method for a daily necessity. The 3D fast printing method includes the following steps that S1, stereoscopic data of the daily necessity to be printed are input into a control device; S2, the control device decomposes the stereoscopic data of the daily necessity into multiple plane level data; S3, the control device converts any plane level data into a set of printing head motion trail data and printing head spraying material amount data; S4, according to all sets of printing head motion trail data and printing head spraying material amount data, the control device controls all printing mechanisms to print the daily necessity in a layering mode on different printing plates, wherein any printing mechanism prints the daily necessity in the layering mode corresponding to the single set of printing head motion trail data and printing head spraying material amount data; S5, the control device controls a moving and taking mechanism to move and take daily necessity bodies in a layering mode one by one and controls an adhesion mechanism to act to stack and adhere the daily necessity bodies in a layering mode to obtain the daily necessity needing to be printed.

Apparatuses and methods are provided that stimulate realistic 3D depth perception from 3D image data. The solution helps the brain perceive a more realistic depth by placing an object, which may or may not be transparent, in virtual 3D space such that the object appears close to the user inside the panoramic viewer in order to give the brain a close point to reference in 3D space where it might normally struggle to perceive depth at the border of two opposing perceptions of 3D depth for the brain.

The invention discloses an assembled LOFT apartment. An interlayer is arranged in a stereoscopic space to divide the stereoscopic space into a first-layer space and a second-layer space, the ground of the first-layer space is upwards provided with a tilted stairway which is connected with the interlayer and used for achieving traffic connection between the first-layer space and the second-layer space, an interlayer area connected with the top of the stairway is downwards provided with a sinking type carrying platform used for allowing a user to stand, and the sinking surface of the sinking type carrying platform is lower than the lower surface of the interlayer and higher than the top-layer stepping plate of the stairway. The sinking type carrying platform structure is ingeniously designed for the problems that a person is prone to head collision and difficult to stand when the person goes up the stairway on the condition that the effective height is smaller than 4 meters, the distance between the sinking surface of the sinking type carrying platform and the upper top surface of the stereoscopic space is 178-200 cm, therefore, the problems that uneasiness exists and head collision occurs when the person goes up the stairway due to the fact that the floor height is limited are effectively avoided, and the comfortableness and convenience are improved. The assembly-detachable installing mode is adopted, industrialized production is achieved, and the quality is reliable.

A method is described for processing sensor data of a stereo sensor system for stereoscopic sensing of an environment of the stereo sensor system. A disparity map is constituted based on the sensor data, wherein a change in disparity between two disparity points of the disparity map that are constituted with a spacing from one another is identified, at least one of the two disparity points being classified to correspond to an object as a function of the change in disparity. Also described is a corresponding apparatus, to a corresponding object recognition system, and to a corresponding computer program.

The invention discloses an image three-dimensional representation method based on parallax hierarchical segmentation, and a system. Firstly, parallax information of 3D images are obtained by utilizing an existing parallax estimation algorithm; secondly, depth direction quantized intervals are determined according to stereoscopic visual acuity of the visual sense and complexities of image contents in the depth direction, and different depth plane segmentation methods are established; a parallax map is segmented relying on depth intervals according to the quantized intervals determined by various depth planes, and image segmentation templates corresponding to the various depth planes are formed; and, finally, an original image is segmented by utilizing the image segmentation templates of the various depth planes, image contents obtained through segmentation are located on the corresponding depth planes and are redrawn on various planes of the corresponding depth spaces, and a depth space distributed three-dimensional representation manner corresponding to the image is formed. The original image is segmented based on the parallax information of the 3D images, and inner depth information of image objects in various depth intervals in the 3D images is significantly and visually representated.

The invention discloses a binocular stereoscopic vision type food identification method. The binocular stereoscopic vision type food identification method comprises the following steps: S1, acquiringan image 1 and an image 2 of food images by utilizing double cameras; S2, selecting K reference points and reading pixel coordinates; calibrating a distance relation between the reference points and the cameras; S3, calculating inner and outer parameters of the cameras and carrying out binocular correction on the images which are acquired through the double cameras according to the inner and outerparameters; S4, carrying out stereoscopic matching on the images and calculating a disparity map; calculating a depth map according to the disparity map; S5, carrying out characteristic extraction according to the depth map; obtaining an identification result after carrying out the characteristic extraction. According to the binocular stereoscopic vision type food identification method disclosedby the invention, the food image is acquired at different angles through setting the double cameras and a stereoscopic space is established on the basis of two angle information; overlapped and shielded foods are recognized in the stereoscopic space, so that the problems in a food identification process of a single camera at present are solved.

The invention discloses a stereoscopic multi-workpiece processing center, aiming to solve the technical problems that in a processing center of a woodworking carving machine of the prior art, too many cutters are mounted on a spindle and length thereof is unwarrantably same, workpieces processed at one step are different in diameter, manual replacement for the cutters costs too much time, lending rate is high, and manual cutter alignment is low in accuracy. The technical scheme includes that a C-axis engine base and a bed are perpendicularly arranged, a support is arranged on two X-axis guide rails, and an X-axis driving motor drives the support to move on the two X-axis guide rails as X-axis motion; an electric spindle support with more than one automatic electric cutter-replaceable spindles inside is arranged on the support, and an A-axis driving motor drives the automatic electric cutter-replaceable spindles to axially rotate around themselves as A-axis motion; a Y-axis driving motor drives the electric spindle support to move along the support as Y-axis motion; a Z-axis driving motor drives the electric spindle support and the Y-axis driving motor to move along the support as Z-axis motion.

The invention relates to the field of the sports field construction and in particular to a stereoscopic site. The stereoscopic site comprises a plurality of vertical steel frames. The vertical steel frame comprises a steel column, and a first beam and a second beam welded with the steel column. The upper ends of the first beam and the second beam are welded with a plurality of annular steel frames. The upper ends of the annular steel frames are fixedly provided with a steel plate through rivets. The middle of the steel plate is provided with a rectangular box. The interior of the box is covered by a sound-insulating layer. An annular runway is installed around the rectangular box. One side of the vertical steel frame is welded with a staircase. The lower ends of the vertical steel frame are fixed under the ground, so an underground moving space is formed between an underground space and the vertical steel frame. The inner sides of the vertical steel frames are surrounded by an insulating protecting net. The underground moving space is provided with a stair-shaped spectator stand. The stereoscopic site is capable of guaranteeing the rational application of a sports field, and constructing according to the actual needs. A utilization ratio of the sports field is high, the stereoscopic site accords with a modern standard, the constraint of a traditional old sports field is broken,a popularization range is extensive, and the stereoscopic site can be extensively adopted.

The invention provides an auxiliary machine for picking strawberries on stereoscopic racks, comprising a frame and a moving device arranged at the bottom of the frame; a collecting device is arrangedabove the moving device; a lifting device is arranged on one side of the collecting device; an organizing picking device is arranged above the lifting device and includes an organizing mechanism and acutting mechanism arranged on one side of the organizing mechanism; the organizing mechanism comprises a bottom plate arranged in oblique manner, as well as an organizing plate, a frustum tower mechanism, a connection plate and a conveying mechanism which are arranged sequentially on the bottom plate. The auxiliary machine is novel in structure, can provide effective organization and cutting collection for continuous strawberries perpendicularly on two sides of strawberry planters in the stereoscopic rack planting mode, and provides significantly increased picking efficiency.

The invention discloses a stereoscopic light-emitting lamp sheet-based LED light source, which comprises a transparent silica gel, a heat-conducting insulating plastics and a packaging substrate, wherein the transparent silica gel, the heat-conducting insulating plastics and the packaging substrate are integrally connected in an up-and-down mode. The packaging substrate is divided into a light-emitting area, a power supply packaging area and a pin welding area. The light-emitting area comprises a substrate and a stereoscopic LED light-emitting light source. The power supply packaging area comprises a power supply arranged in the heat-conducting insulating plastics and electrically connected with the stereoscopic LED light-emitting light source. The invention further discloses a manufacturing method of the stereoscopic light-emitting lamp sheet-based LED light source. According to the invention, the upper half part of the stereoscopic light-emitting lamp sheet-based LED light source isformed through the combination of the stereoscopic LED lamp sheet and the transparent silica gel. Meanwhile, diffusion powders are added into the transparent silica gel, so that the light on the frontand back faces is diffused to form the stereoscopic light-emitting effect. Meanwhile, the silica gel can also improve the light efficiency and the heat dissipation performance. The lower half part ofthe stereoscopic light-emitting lamp sheet-based LED light source is formed by the heat-conducting insulating plastics good in heat conduction performance. Therefore, the effects of heat conduction and heat dissipation are achieved.

Disclosed is a stereoscopic multi-layer ship stopping device. The device comprises a supporting frame, speed-regulating motors, motor sprockets, shaft sprockets, transmission chains, transmission shafts, ship bearing boards, connecting frames, tracks, track wheels, a lifting sprocket and a lifting chain; the supporting frame is of an n-shaped structure, and the speed-regulating motors are installed at the top of the supporting frame; the motor sprockets are installed on the speed-regulating motors, the transmission shafts are installed at the top of the supporting frame and provided with the shaft sprockets, and the two motor sprockets are connected with the two shaft sprockets through the transmission chains respectively; the connecting frames are installed at the edges of the middles ofthe two ship bearing boards, the track wheels are arranged at the outer edges of the connecting frames, and the tracks are arranged on two vertical columns of the supporting frame. Through the arrangement of the stereoscopic multi-layer ship stopping device, multiple ships can be stopped in one space, and the ship stopping space is greatly saved; through full-automatic control, ship stopping is more stable, vibration generated during running is greatly reduced to the greatest degree, and the device is safer and more reliable.

The invention relates to an organ type stereoscopic book. The organ type stereoscopic book comprises a book shell and a content page. The side portion of the book shell is provided with a turnover page, wherein the turnover page is used for folding the content page into the book shell. The content page comprises a background board and an organ folding page. The two sides of the background board are connected with the book shell through organ hinges. The background board is attached to or far away from the book shell through the organ hinges. When the background board is far away from the bookshell, stereoscopic spaces are formed among the background board, the book shell and the organ hinges on the two sides. An observation opening for observing the stereoscopic spaces is formed in the book shell. The organ type stereoscopic book has a telescopic and foldable viewing space, so that children can play and learn, the hands-on capabilities of the children are improved, and the curiosity of the children is cultivated.

The invention relates to stereoscopic sweat-absorption clothes with a reminding function by color changes. The stereoscopic sweat-absorption clothes comprise a clothes body (1), a setting device (6), a reminding display device and a reminding control device (9). Two sides of a front piece of the clothes body (1) are provided with multiple stripped grooves (4) in a longitudinal direction. Holes (5) are densely arranged in the grooves (4). The clothes body is made by fabric comprising a braiding layer having a right side and a back side. The right side of the braiding layer is provided with multiple flashy pieces in the circular shapes. A hole is arranged in the center of each flashy piece. The flashy pieces are arranged on the braiding layer and form a criss-cross grid matrix on the braiding layer. Cross points are formed by longitudinal grids and transverse grids and take two forms including direct criss-cross points and star-shaped criss-cross points. The stereoscopic sweat-absorption clothes with the reminding function by color changes is capable of reminding seriousness of events according to color changes of a color-changing display and is stereoscopic.