A shapeshifting distributed metaalgorithm for modular. Enhanced high dynamic range 3d shape measurement based on generalized phase shifting algorithm minminwanga,guangliangdua,canlinzhoua,chaoruizhanga,shuchunsia,huilia,zhenkunleib,yanjielic. Washington state university researchers have developed a unique, multifunctional smart material that can change shape from heat or light and assemble and disassemble itself. His gen project uses images as inputs to create an everchanging, random typeface.
Flexible distributed algorithm for modular robots shape shifting. The first one is used to retrieve the phase map by an iterative leastsquares method. Three control algorithms are proposed to solve the autonomous locomotion problem for climbing obstacles. Errorcompensating phaseshifting algorithm for surface shape. The ghost cube can be solved in a similar way to the 3x3 beginners layerbylayer method. The phase is only encoded with two fringe images and the third image is zhang and yau. Realtime 3d shape measurement with composite phaseshifting.
We show that this metaalgorithm, described as a general functioning schema, presents a good framework to easily conceive distributed algorithms for shapeshifting problems. Mean shift clustering the mean shift algorithm is a nonparametric clustering technique which does not require prior knowledge of the number of clusters, and does not constrain the shape of the clusters. Shapeshifter meaning in the cambridge english dictionary. The purpose of shape shifting has never been impressing others, but rather partaking of strength, wisdom or power pertaining to the specific animal and for the sake of gaining some learnings. Preprogramming materials to shape shift at a given time w. By implementing this new algorithm in a highresolution, realtime threedimensional shape measurement system, we were able to achieve a measurement speed. Pdf 101frame algorithm for phaseshifting interferometry. Efficient collective shape shifting and locomotion of. Mobile modules which flow out of the structure attach to the frame, advancing its boundary. This research work aims to design controllers for a shape shifting tracked robotic vehicle, thus enabling it to autonomously climb obstacles by adapting its geometric configuration. Enhanced high dynamic range 3d shape measurement based. Shape shifting tries for faster ip route lookup applied research. A variety of phaseshifting algorithms have been developed, that include threestep, fourstep, and leastsquare algorithms 7.
In many traditional cultures, its still practiced today, and theres value in learning to do this for yourself. We propose a methodology of planning effective shape shifting and locomotion of largeensemble modular robots based on a cubic lattice. Knowing your arpeggios all over the fingerboard using different fingerings is one of the most important things youll ever practice. Highspeed threedimensional shape measurement system. For example, in worst case the whole functionality of the cube is lost and it needs to. The basic step in the search algorithm requires decoding the shape bitmap. Harnessing algorithms to create shapeshifting typography. Carl friedrich gausss likeness upper left and generate a 3d surface the target shape via an artificial intelligence algorithm. Scale down the input image since the desired features can ben detected in lower resolution. When this image is superimposed on the four corners of the binary image i. An example illustrating this process is shown in figure 2. Nikolaus karpinsky and song zhang composite phaseshifting algorithm for threedimensional shape compression, optical engineering 496.
Its a simple and flexible clustering technique that has several nice advantages over other approaches in this post ill provide an overview of mean shift and discuss some of its strengths and weaknesses. Popular shapeshifting creatures in folklore are werewolves and vampires mostly of european, canadian, and native americanearly american origin, the huli jing of east asia including the japanese kitsune and korean kumiho, and the gods, goddesses, and demons of numerous mythologies, such as the norse loki or the greek proteus. We show that this meta algorithm, described as a general functioning schema, presents a good framework to easily conceive distributed algorithms for shape shifting problems. Measurement example of a 3d statue continued from fig. Enhanced high dynamic range 3d shape measurement based on generalized phaseshifting algorithm minminwanga,guangliangdua,canlinzhoua,chaoruizhanga,shuchunsia,huilia,zhenkunleib,yanjielic. The shifting nth root algorithm is an algorithm for extracting the nth root of a positive real number which proceeds iteratively by shifting in n digits of the radicand, starting with the most significant, and produces one digit of the root on each iteration, in a manner similar to long division.
In this work, we introduce a highspeed 3d shape measurement technique based on. With recent advancements in 3d imaging and computational technologies, acquiring 3d data is unprecedentedly simple. For each object, extract its features, in this case, just the number of corners. Techniques for global and personal transformation kindle edition by perkins, john. We propose a new threestep phaseshifting algorithm, which is much faster than the traditional threestep algorithm. Focusing on the existing issues, we proposed a dynamic 3d shape measurement method based on the phaseshifting moire algorithm.
With this system, together with the fast threestep phaseshifting algorithm and parallel processing software we developed, highresolution, realtime 3d shape measurement is re alized at a. In this work, we propose a novel technique to retrieve 3d shape of dynamic objects by the simultaneous projection of a fringe pattern and a homogeneous white light pattern, both coded in an rgb image. Highspeed threedimensional shape measurement system using. Therefore, for highspeed, accurate measurement of complex geometric shapes, a threestep phaseshifting algorithm is the. Owing to the engineering requirements, the 3d shape measurement of dynamic objects is a widely concerning issue. Its the metamorphosis of a person into an animal or other form. Jun 09, 2015 hello everyone this is the mirror cube, shape mod of a 3x3 and a shape shifting puzzle. Gpuassisted highresolution, realtime 3d shape measurement. Lowe, international journal of computer vision, 60, 2 2004, pp. The new emerging technology in modern the world is shape shifting robots. Researchers develop shapechanging smart material wsu. According to the characteristic of automatic reconfiguration, the shape shifting robot can be considered as one that holds the reconfiguration ability to strengthen the accessibility. The team reports that they can control the shape shifting to within hours, minutes or even seconds. Elasticity and stability of shapeshifting structures.
We also prove the facility to instantiate the algorithm for special target shapes and we give an adaptation of the algorithm to reach any horizontally convex form. Harnessing algorithms to create shape shifting typography kyuha shim creates algorithmicallygenerated typography. The experimental results indicate that the surface shape measurement accuracy for a transparent fused silica plate is 3 nm. The video is so clear that theres no need of a brief description of how to solve it. We propose a method to enhance high dynamic range 3d shape measurement based on a generalized phase shifting algorithm, which combines the complementary techniques of inverted and regular fringe patterns with a generalized phase shifting algorithm. In this paper, we present a new path planning method that uses the reconfiguration ability of robot.
Abstract this paper presents pneui, an enabling technology to build shape changing interfaces through pneumaticallyactuated soft composite materials. Enhanced high dynamic range 3d shape measurement based on. Abstract this paper presents pneui, an enabling technology to build shapechanging interfaces through pneumaticallyactuated soft composite materials. Edward jackowski, exude fitness founder and author of escape your shape, classifies body shapes into four basic types. With this system, together with the fast threestep phase shifting algorithm and parallel processing software we developed, highresolution, realtime 3d shape measurement is re alized at a. Composite phaseshifting algorithm for absolute phase measurement. In fact, if you know how to solve a regular rubiks cube and have some knowledge of shapeshifting puzzles, you may be able to complete this puzzle unaided, although be aware that there is a parity case for this puzzle. The summer of 2009 might be remembered for the death of michael jackson, tormented genius. Dynamic 3d shape measurement based on the phaseshifting moire. Jun 01, 2010 nikolaus karpinsky and song zhang composite phaseshifting algorithm for threedimensional shape compression, optical engineering 496. The data acquisition speed is as high as 60 framess with an image resolution of 640. Composite phaseshifting algorithm for threedimensional. Composite phase shifting algorithm for threedimensional shape compression nikolaus karpinsky song zhang, member spie iowa state university department of mechanical engineering ames, iowa, 50011 email. We propose a new threestep phase shifting algorithm, which is much faster than the traditional threestep algorithm.
Pdf fast threestep phaseshifting algorithm researchgate. We propose a method to enhance high dynamic range 3d shape measurement based on a generalized phaseshifting algorithm, which combines the complementary techniques of inverted and regular fringe patterns with a generalized phaseshifting algorithm. Dynamic 3d shape measurement based on the phaseshifting. Highspeed threedimensional shape measurement system using a. Highspeed threedimensional shape measurement system optical engineering 16032 november 2007vol.
Preprogramming materials to shape shift at a given time w video. Superfast phaseshifting method for 3d shape measurement. In this section i will present some rubiks cube twisty puzzle shape mods which all have the classic 3x3x3 core mechanism in the inside but from outside they seem to. Finally, the surface shape of a fused silica wedge plate obtained using a wavelength tuning fizeau interferometer and the sample algorithm are presented. This algorithm is the simplest algorithm and it is easy to understand. Shapeshifting structured lattices via multimaterial 4d printing. In contrast, a threestep phaseshifting algorithm is able to solve the phase uniquely from the fringe images. Feb 12, 2016 the insane shape shifting technology that will change the way you work. He suggests that using your body type to determine your fitness routine can help you slim down and build up in all the right places without adding bulk anywhere it might be unwelcome. To achieve highspeed 3d shape measurement, a threestep phaseshifting algorithm with a phase shift of 2. Automated shapeshifting for function recovery in damaged.
Hello everyone this is the mirror cube, shape mod of a 3x3 and a shape shifting puzzle. Thanks to the heisingsimons foundation for supporting this video. In this section i will present some rubiks cube twisty puzzle shape mods which all have the classic 3x3x3 core mechanism in the inside but from outside they seem to be something else. Sep 28, 2016 preprogramming materials to shape shift at a given time w video. The composite materials integrate the capabilities of both input sensing and active shape output.
This paper describes a highresolution, realtime, threedimensional shape measurement system using the modified twoplusone phaseshifting algorithm. By implementing this new algorithm in a highresolution, realtime three dimensional shape measurement system, we were able to achieve a measurement speed. Shapeshifter definition is one that seems able to change form or identity at will. Shape shifting a film by elke marhofer and mikhail lylov.
The technology is still years awaybut its application could be huge. Now she could smell what the jaguar could smell, odors deeper and richer than anything she had experienced before, layers of smell she could read like fray tomas had read the words in her fathers book. Nov 19, 2015 shapeshifting is a tradition that exists in most native cultures. The basic idea of our method is that we use four sinusoidal patterns with. I am struck by my own caughtupness in the swirls of rumor surrounding his sudden death, by the emotion flooding out from his memorial, by the sordidness of his life story, slowly emerging, dripping, we could say, like the drops of diprivan into his body hand. The second one is used to match object pixels in consecutive images, acquired at various object positions.
This is the first time researchers have been able to combine several smart abilities. Harnessing algorithms to create shapeshifting typography kyuha shim creates algorithmicallygenerated typography. Search engines help us navigate massive databases of information, or the entire web. Dynamic 3d shape measurement by iterative phase shifting.
Computing science, utrecht university padualaan 14, 3584 ch utrecht, the netherlands remco. Shapeshifter definition of shapeshifter by merriamwebster. Shape shifting tries for faster ip route lookup haoyu song, jonathan turner, john lockwood applied research laboratory washington university in st. May 26, 2015 mean shift clustering is one of my favorite algorithms. Pneumatically actuated soft composite materials for.
We achieve the speed advantage by using a simple intensity ratio function to replace the arctangent function in the traditional algorithm. The insane shapeshifting technology that will change the way you work. Flexible distributed algorithm for modular robots shapeshifting. Composite phaseshifting algorithm for threedimensional shape compression nikolaus karpinsky song zhang, member spie iowa state university department of mechanical engineering ames, iowa, 50011 email. Removal of pectoral muscle based on topographic map and.
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