... of system identification and adaptive control The sense of vision should yield sufficient information about the near and farther environment to decide when state control is not so important and ... positions and angular orientations for the rotational degrees of freedom Therefore, for visual dynamic scene understanding, images are considered intermediate carriers of data containing information ... exchange for the need of fast viewing direction controland at the expense of delay times required to perform these gaze changes Figure 1.5 gives an impression of the fields of view of this trifocal...
... assistance of Jeffrey Efird and Daniel Riedford, of the Centers for Disease Controland Prevention We appreciate the assistance of Ronald Valdiserri, of the Department of Veterans Affairs, for providing ... not -for- profit coalition of public, private, and voluntary organizations; the Department of Health and Human Services Office of Minority Health; and VA sought guidance from the Institute of Medicine ... hepatitis B and hepatitis C and related liver cirrhosis and cancer, the extent of ongoing risk behaviors, and the impact of HIV coinfection and other cofactors Assess the role of state and local...
... Bethesda, Maryland Randall R Mayer Chief, Bureau of HIV, STD, and Hepatitis, Iowa Department of Public Health, Des Moines, Iowa Margaret L Brandeau Professor, Department of Management Science and Engineering, ... services for incarcerated people Committee on the Prevention andControlof Viral Hepatitis Infections R Palmer Beasley (Chair) Ashbel Smith Professor and Dean Emeritus, University of Texas, School of ... accurate estimates of the current burden of disease and are insufficient for program planning and evaluation The committee recommends that the Centers for Disease Controland Prevention (CDC)...
... angular position for one of the platform axes, and the potential for initiating a new plan for gaze direction control The demand of attention and the combination of regions of attention for certain ... for understanding motion behavior of other subjects Hu- 3.2 A Framework for Capabilities 61 man language has special expressions for these capabilities of motion control, which often are performed ... factors for these learning activities are (a) availability of time scales and the scales for relations of interest, like spatial distances; (b) knowledge about classes of objects andof subjects...
... that all control time histories for standard maneuvers and all feedback laws for regulation of desired states have to be decided in detail This is the usual task of controller design andof proper ... dynamics andcontrol engineering: Feed-forward components Uff derived from a deeper understanding of the process controlled and the maneuver to be performed Feedback components ufb to force the ... integral of the error xi = xCi xi may be chosen as an additional state with a commanded value of zero For observing and understanding behaviors of other subjects, realistic expected perturbations of...
... being performed This is, of course, different for simple roadrunning, for preparing lane changes, or for performing a turnoff maneuver Turning off to the left on roads with oncoming (right-hand) ... sets of rules for the perception part (maybe specialized to some task of special interest) Once sufficient computing power for visual scene analysis and understanding is affordable, the information ... conditions with respect to own ? mission plan and goals Behavior Decision for Gaze and Attention; Optimization of gaze direction and sequencing; Gaze Control Time histories of state variables (for objects...
... default for reducing computer load, on the one hand, andfor keeping good candidates for corners, on the other Larger values for mel and cell parameters should be coupled with smaller values of ErrMax ... half that value for larger masks; values between and have shown good results for nd up to For the detection of dirt roads with jagged edges and homogeneous intensity values on and off the road, ... elements (mels) for efficient computation of gradients and average intensities ing the value of the last column and adding the one of the next 146 Extraction of Visual Features column [(j 2) and (j+2)...
... capability ofinformation intake, behavior decision, andcontrol output affecting future motion), knowledge required for motion understanding has to encompass typical time histories ofcontrol output ... 5.3.2.4), a host ofinformation is now available for analyzing the distribution of image intensities to adjust parameters for image processing to lighting conditions [Hofmann 2004] For each image ... this transformation is only a coarse approximation, it shows that it can alleviate evaluation of image informationand correspondence of features 5.4 Statistics of Photometric Properties of Images...
... settings for the recursive algorithm, is essential for good performance of the method A few points of view will be discussed in this section 6.4.4.1 Influence of the Covariance Matrices Q and R ... 0.0133·V s-1 For a speed of 10 m/s (36 km/h), the eigenvalue of the dynamic tire mode is 1/T = 7.5 s-1 (= 0.3 times video rate of 25 Hz); this can hardly be neglected for the design of a good controller ... space model for estimating the curvature of the right-hand road boundary; since the effects of a lateral offset yV are contained in the variable yL and since dyL/dt does not depend on it, for curvature...
... of objects forming the infrastructure of different types of roads During the search for initial scene recogni- 8.4 First Recursive Trials and Monitoring of Convergence 237 tion, all objects of ... diversity of objects forming the infrastructure of different types of roads (see Table 8.2 below) Lane markings not just define the lanes for driving Information about maneuvering allowed or forbidden ... methods to ranges likely to yield most of the information necessary for efficient process tracking andcontrol Seen from this point of view, the knowledge of real-world spatiotemporal processes...
... in Pitch 257 and parameters included as augmented states of the model, on one hand, and feature positions in the image, on the other, contains rich informationfor scene understanding according ... stereointerpretation of the height profile of a stretch of Autobahn close to UniBwM, north of the Autobahn intersection Munich South Figure 9.22 shows five snapshots of the scene and the vertical curvature profile ... +1/(2Li) is valid for edges on the right-hand and –1/(2Li) for those on the left-hand border of the lane or road The zeros indicate that the measurements not depend on the steering and the slip angle...
... the integrated performance of the maneuver can be discussed, performance elements for motion controlof the vehicle (Section 10.2.1), for gaze control (Section 10.2.2), andfor recursive estimation ... both for gaze andfor vehicle control to counteract unpredictable errors and perturbations encountered The final phase of the turnoff maneuver is the transition to roadrunning on Sum of camera and ... is performed, yielding the distance from the crossing when to start the sequence of maneuver elements for turning off The fifth phase then is Start of motion control (steering for turnoff maneuver)...
... side (bottom) and with other processes andfor visual perception (road tracking RT), for symbolic information exchange (dynamic data base), for vehicle control (VC), andfor gaze control by a ... the information flow with the spatiotemporal knowledge base at the center It is used for hypothesis generation and -checking, for recursive estimation as well as for state prediction, used for forward ... local scale and riding comfort (spectrum of accelerations) for high-speed driving The former criteria are of special interest for off-road driving and are not of interest here Also, negative obstacles...
... part of the system that formed the base for the other components for viewing direction control [Schiehlen 1995], for situation assessment [Hock 1994], for behavior decision [Maurer 2000], andfor ... performance at moderate cost For the same performance level, the COTS system has been purchased for ~ 20% of the cost of a custom-designed system used before 370 11 Perception of Obstacles and ... Knowing the causal chain of events allows reasonable predictions and may save time for proper reactions The capability of drawing the right conclusions from a limited set ofinformation visually accessible...
... Sketch of fields of view of each camera andof the total simultaneous field of view (in azimuth and depth) of the arrangement ‘MarVEye’; all cameras may have the same pixel count, but three of them ... section (Equations 12.1 and 12.2) and with knowledge about actual reaction times of subsystems for visual perception, for behavior decision, as well as forcontrol derivation and implementation, ... times for reaction, times for gaze controlof at most a larger fraction of a second not deteriorate performance of the overall perception system Under these conditions, saving over two orders of...
... classes of feed-forward and feedback control in systems dynamics andcontrol engineering: Feed-forward control components Uff are derived from a deeper understanding of the process controlled and ... Vehicles with mixed tracks and wheels A.4 Form, Appearance, and Function of Vehicles (shown here for cars as one example; similar for all classes of vehicles) A.4.1 Geometric size and 3-D shape (generic ... therefore, the scene tree is rearranged, and the former crossroad with ID 2358 becomes two objects for gaze controland attention: ID 2360 is the new local road in the near range, and ID 2361 stands...
... Symposium on ISIC, CIRA and ISAS Marr D., Nishihara H.K (1978): Representation and Recognition of the spatial organization of three-dimensional shape Proceedings of the Royal Society of London, Series ... International Review of Neurobiology, 37: 185–202 Pöppel E., Schill K (1995): Time perception: problems of representation and processing In: Arbib M.A (ed): The handbook of brain theory and neural networks, ... Schmid M., Thomanek F (1993): Real-time detection and recognition of vehicles for an autonomous guidance andcontrol system Pattern Recognition and Image Analysis 3(3): 377–380 Schmid M.(1993):...
... Centers for Disease Controland Prevention The role of BCG vaccine in the prevention andcontrolof tuberculosis in the United States: a joint statement by the Advisory Council for the Elimination of ... available For example, two meta-analyses of the published results of BCG vaccine clinical trials and case -control studies confirmed that the protective efficacy of BCG for preventing serious forms of ... Advisory Committee and the Advisory Committee for Elimination of Tuberculosis published a joint statement on the use of BCG vaccine for the controlof TB (2 ) Based on available information concerning...