incorporating tactile visual and auditory perception modalities

... tactile domain To compare tactile with visual and auditory learn-ing, we conducted two additional studies Experiments 1B and 1C assessed statistical learning in the visual and auditory domains, respectively, ... structure of the visual and auditory input These initial analyses suggest commonalities among tactile, visual, and auditory statistical learning However, one striking difference is that the auditory ... modified training task Participants were randomly assigned to one of six conditions: tactile, visual, auditory, tactile control, visual control, or auditory control The three control conditions

Ngày tải lên: 12/10/2022, 20:54

... Trang 1Dynamics of auditory cortical activity duringbehavioural engagement and auditory perception Behavioural engagement can enhance sensory perception However, the neuronal mechan-isms ... modulates sponta-neous and evoked neuronal activity in the auditory cortex to improve sound detection and recognition Results Behavioural engagement improves auditory perception We used a behavioural ... lines) and uncued (dashed lines) trials, fitting Gaussians to parametrize the peak and width of auditory cortical frequency tuning profiles (Supplementary Figs 5b and 6) When both target and non-target

Ngày tải lên: 24/11/2022, 17:50

... its horizontal and vertical size in pixels ('X, 'Y) and a measure of its vertical perspective distortion (SkY), as shown in equation (4) for the ith individual, with G=5 d.o.f and q=10 bits per ... examples of the resulting binary images for indoor and outdoor landmarks It’s important to note that ROI segmentation does not need to be exact, and that there is no inconvenient in generating incor-rect ... as it makes it possible to find landmarks with very different apparent sizes and perspective deformations in the image Fur-thermore, the pattern-windows for one landmark does not need to be ro-tated

Ngày tải lên: 10/08/2014, 04:22

... signs and so on The system has been developed and tested using real indoor and outdoor images, and sev-eral example objects have been learned and detected Field experiments de-1.8 Conclusions and ... new landmark detection and reading sys-tems in topological navigation tasks The ability of using a wide spread of natural landmarks gives great flexibility and robustness Furthermore, the landmark ... nameplate landmark If it can achieve this, then immediately knows its position (building, zone and of-fice it stands at) In this case, it can’t find any one Then, the “room identi-fication from landmark

Ngày tải lên: 10/08/2014, 04:22

... chitecture and issues related to this is gaining momentum, especially in the field of robotic vision and image communication In designing a visual sensor for an autonomous robot or any other visual ... resolution across the visual work space and finally, (5) the cost, size and performance6 of the sensor ar-To develop a space-variant vision sensor, several attempts to combine peripheral and foveal vision ... 2-D instantaneous frequencies of the complex ker-nel, Nȟ and NȘ are the Nyquist factors, and N and M are the length of the vectors ȟn and Șm, respectively Antialiasing filtering can be achieved

Ngày tải lên: 10/08/2014, 04:22

... G Sandini, F Panerai and F.A Miles, “The role of inertial and visual mechanisms in the stabilization of gaze in natural and artificial systems, From: Motion Vision Computational, Neural, and ... Braccini, G Gambardella, G Sandini and V Tagliasco, “A model of the early stages of human visual system : functional and topological transformation performed in the periferal visual field”, Biological ... sensory perception: lytic structure and relevance to percetion”, Biol Cybern., vol 25, pp 181–194, 1977 Ana-44 C Braccini, G Gambardella and G Sandini, “A signal theory approach to the space and

Ngày tải lên: 10/08/2014, 04:22

... 1To subband a signal, Discrete Wavelet Transform is used As shown in Fig 3.4, h (n) and g (n) are a lowpass filter and a highpass filter, respec-tively The two filters can halve the bandwidth ... http://engineering.rowan.edu/~polikar/WAVELETS/WTtutorial.html 8 Mohinder S Grewal and Angus P Andrews, (1993) Kalman Filtering, theory and practice, Prentice Hall Information and System Sciences Series, Thomas Kailath, Series ... tween mobile manipulator and the cart are planned First, the robot pushes the cart back and forward without turning the cart The sensory measure-ment of the acceleration and the force applied to

Ngày tải lên: 10/08/2014, 04:22

... such as Watching, Orientation, Go To Goal and Right and Left Contour Following and finally to execute the complex sensorimotor skills Visual Approaching and Go To Goal Avoiding Obstacles from the ... means bad performance and 1 means a good performance), and/or it is delayed in time The success of a learning process depends on how the reinforcement signal is defined and when it is received ... robot so the angle formed by the robot body and the turret coincides with the turret angle The input to the Orientation skill is the turret pan angle and the output is the robot angular velocity

Ngày tải lên: 10/08/2014, 04:22

... set of vertices of a polygon), F and H are the nonlinear vector functions describing the system dynamics and the output respectively, V and W are noise processes, and Y represents the output of ... shown in Figure 5.4 demonstrate the tracking performance with and without prediction respectively in (rows 3 and 4) and (rows 1 and 2) This example clearly shows that the prediction step is crucial ... minimization Trang 2Horn-Schunck’s L2 norm), on the velocity components, and was given in [27] Lucas and Kanade, in contrast to Horn and Schunck’s regularization based on post-smoothing, minimized a

Ngày tải lên: 10/08/2014, 04:22

... in the scene References 1 C Kim and J N Hwang, “Fast and automatic video object segmentation and tracking for content based applications,” IEEE Trans Circuits and Systems on Video Technology, ... 122–129, 2002 2 N Paragios and R Deriche, “Geodesic active contours and level sets for the detection and tracking of moving objects,” IEEE Trans Pattern Analysis, and Machine Intelligence, vol ... Sanchiz, and F Pla, “Motion-based segmentation and region tracking in image sequences,” Pattern Recognition, vol 34, pp 661–670, 2001 18 F Marques and V Vilaplana, “Face segmentation and tracking

Ngày tải lên: 10/08/2014, 04:22

... Besl and McKay [8], and it hasbecome the principle technique for registration of 3D data sets The algo-rithm takes two 3D data sets as input LetP and Q be two input data sets containing N p and ... computationally most demanding, isavoided, and the process does not require large memory to store all the data.The author claimed that his method, while being faster and less demanding search-on memory, ... Fig 6.12: Advantage of Chen and Medioni’s algorithm. (a): Result of the original ICP’s correspondence method in the presence of noise and outliers (b): Since Chen and Medioni’s algorithm uses

Ngày tải lên: 10/08/2014, 04:22

... (35) where I a and I l are the intensities of ambient light and light source respec-tively, and K a , K d and K sare constants that represent the strengths of am-bient, diffuse and specular components ... mean value of zero and standard deviation of σ α: where c is a constant The standard deviation σ αrepresents the roughness of surface – the larger σ α, the rougher surface, and vice versa Figure ... Torrance and Sparrowconsidered the effects of facet shadowing and masking, and introduced the geometrical attenuation factor G (θ i , θ r , φ r)3 On the basis of these two nomena, the incident fluxΦiand

Ngày tải lên: 10/08/2014, 04:22

... functions: Φ(·) and B(·). Φ(·) propagates the current state forward in time, and B(·) maps control signals into state influences. Φ t and B t from Equation 5 are linearizations of Φ(·) and B(·) respectively, ... system and 277 8 Perception for Human Motion Understanding the observation process is significantly non-trivial. Video images of the hu- man body are extremely high-dimensional signals and the ... [15], and results show that the system realizes similar efficiency and stability advantages in the human motion perception domain. This framework can be applied beyond passive physics by incorporating

Ngày tải lên: 10/08/2014, 04:22

... assumption that the hand moves according to a linear, constant velocitydynamic model Given that assumption, it is possible to estimate the truestate of the hand, and predict future states and observations ... between the state and the phase offset into thecyclic control, and a one-to-one mapping between the offset and the control to be applied If we use the smoothed innovations as our model and assume a ... performance The plot in Figure 7.19 shows the observed and predicted X position ofthe hand and the corresponding innovation trace before, during and after themotion is altered by a constraint that

Ngày tải lên: 10/08/2014, 04:22

... with the visual distracter and without sound feedback • Task C: track the target with the visual distracter and with sound feedback • Task D: track the target without the visual distracter and with ... target and hand positions, velocity, robot force and mouse button status (Tasks B and C only) were sampled at a frequency of 200Hz and used for analysis as well as each subject’s position errors and ... 36.0 ± 2.2, and the mean Ashworth score was 0.75 ± 0.5 and ± at the affected elbow and shoulder, respectively We selected right hemi-paretic participants who had enough residual hand movement...

Ngày tải lên: 19/06/2014, 08:20

... brightness perception: a unified model of classical and recent phenomena,” Perception and Psychophysics, vol 43, no 3, pp 241–277, 1988 [52] R Shapley and R C Reid, “Contrast and assimilation in the perception ... Arend and R Goldstein, “Lightness models, gradient illusions, and curl,” Perception and Psychophysics, vol 42, no 1, pp 65–80, 1987 [51] S Grossberg and D Todorovi´ , “Neural dynamics of 1-D and ... predicted brightness for stripes S1 and T1 is 123 and 112 (thick lines of panel (c)), with a difference of 11 units, and the predicted brightness for stripes S2 and T2 is 96 and 82 (thick lines of panel...

Ngày tải lên: 22/06/2014, 23:20

... for big public and industrial buildings (factories, stores), and outdoor environments with well-defined landmarks such as streets and roads Fabrication of space-variant sensor and implementation ... developing visual perception systems able to learn from the environment Following these issues, a new learning visual perception system for robots is presented in this chapter based on a generic landmark ... models, and how they are used in the core of the landmark learning and recognition system, is described It is followed by introducing how to learn new landmark’s parameters; after that, the landmark...

Ngày tải lên: 28/03/2014, 14:20

... random order: no signs, signs at 750-ms intervals, and signs at 3500-ms intervals With no signs, observers sat in the chair locked on the motion base and experimenters presented both visual and ... 0.46 None Yes "Yes" including "childhood" and "occasionally" in Table (no sign and 3500-ms interval conditions) at phases 4, and 10 at p < 0.1, and 5, 6, 7, and at p < 0.05 It also revealed a significant ... the invisible course, and the virtual automobile never collided with them Random dot textures were mapped to the parallelepipeds and the world plane to emphasize depth perception An example of...

Ngày tải lên: 19/06/2014, 10:20

... Critical band a: Critical band b: Critical band f: Critical band e: Critical band 13 c: Critical band g: Critical band c: Critical band 11 f: Critical band 14 d: Critical band h: Critical band a: ... frequency (×π rad/sample) a: Critical band 15 a: Critical band 18 b: Critical band 19 c: Critical band 20 b: Critical band 16 0.9 d: Critical band 21 c: Critical band 17 (d) (c) Figure 12: Magnitude ... Ideal eiω 2 − Hi eiω dω , 2π i = 1, , N, (23) where ωli and ωhi are the low and high band edges of the ith critical band and are given by (21) and (22), respectively Note that, the term in the integral...

Ngày tải lên: 21/06/2014, 05:20

... Tactile Sensor: SKKU Hand II 253 Byung June Choi, Jooyoung Chun and Hyouk Ryeol Choi 14 Design of a Tactile Sensor for Robot Hands 271 Giorgio Cannata and Marco Maggiali 15 Tactile Sensing for ... robotic system in terms of tactile information, most of the knowledge in this area is produced from the study of the human tactile sensors and the way humans grasp and handle From these studies, ... Tomoaki Yoshikai and Masayuki Inaba 18 Research and Preparation Method of Flexible Tactile Sensor Material 325 Ying Huang, Min Wang, Huaili Qiu, Bei Xiang and Yugang Zhang 19 A Principle and Characteristics...

Ngày tải lên: 21/06/2014, 20:20