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Creator | Title | Description | Subject | Date |
| 51 |
 |
Greer, William Harvey | Monaural sensitivity to dispersion in impulses and speech | | Monaural sensitivity; Dispersion; Impulses; Speech | 1975 |
| 52 |
 |
Parke, Frederic Ira | A parametric model for human faces | This report presents a computer model for the representation of human faces. This three-dimensional, parametric model produces shaded facial images. The face, constructed of polygonal surfaces, is manipulated through the use of parameters which control interpolation, translation, rotation and scalin... | Parametric model; Human face | 1975 |
| 53 |
 |
Rom, Raphael Jona | Image transmission and coding based on human vision | In recent years more and more attention was paid to digital image processing especially as the result of the development of highly efficient algorithms and also because of technologically better facilities. Concurrently attempts were made to find a mathematical model for human vision to achieve a be... | Image transmission; Image coding; Human vision | 1975 |
| 54 |
 |
Ingebretsen, Robert Bergstrom | Log spectral estimation for stationary and nonstationary processes | This research is concerned with two log spectral estimators in the context of both stationary and nonstationary signals. They differ because in one smoothing is realized before the logarithmic transformation, while the other is smoothed in the logarithimc domain. It is shown that for stationary sign... | Log spectral estimation; Nonstationary processes; Log spectral estimators | 1975 |
| 55 |
 |
Poeppelmeier, Charles Christian | A boolean sum interpolation scheme to random data for computer aided geometric design | This thesis presents a new imterpolation function for randomly distributed data. The new interpolation function is capable of exactly reproducing quadratic surfaces. The new function is developed, through boolean sum theory, from Shepard's two dimensional interpolation functions and the Barnhill-Gre... | Computer-aided geometric design; CAGD; Barnhill-Gregory; Interpolation functions | 1975 |
| 56 |
 |
Horch, Kenneth W. | Acoustic interneurons of fiddler and ghost crabs | The properties of acoustic interneurons in fiddler (Uca pugilalor and U. minax) and ghost (Ocvpade qucldrula) crabs are described, as revealed bv tests with pure tones. Three types of interneurons were present in all species: tonic, which fired for the duration of the stimulus; phasic, which fire... | Acoustic crabs; Neural recording; Vibration reception | 1976 |
| 57 |
 |
Fuchs, Henry | The automatic sensing and analysis of 3-D surface points from visual scenes | Described are the design and implementation of a new range-measuring sensing device and an associated software algorithm for constructing surface descriptions of arbitrary three-dimensional objects from single or multiple views. The sensing device, which measures surface points from objects in its ... | Range-measuring; Sensing device | 1976 |
| 58 |
 |
Callahan, Michael Wayne | Acoustic signal processing based on the short-time spectrum | The frequency domain representation of a time signal afforded by the Fourier transform is a powerful tool in acoustic signal processing. The usefulness of this representation is rooted in the mechanisms of sound production and perception. Many sources of sound exhibit normal modes or natural frequen... | Acoustic signal processing | 1976 |
| 59 |
 |
Newell, Martin Edward | The utilization of procedure models in digital image synthesis | Many algorithms have been developed for synthesizing shaded images of three dimensional objects modeled by computer. In spite of widely differing approaches the current state of the art algorithms are surprisingly similar with respect to the richness of the scenes they can process. One attribute the... | Digital image synthesis; Procedure models; Shaded images; Three dimensional objects | 1976 |
| 60 |
 |
Crow, Franklin C. | The aliasing problem in computer-synthesized shaded images | This paper describes work toward improving the quality of computer-synthesized shaded images. Current (practical) hidden-surface algorithms produce an image whose precision is strictly limited by the number of picture elements. Problems caused by this limitation are described and explained in the t... | aliasing problem; shaded images; hidden-surface algorithms | 1976 |
| 61 |
 |
Gesteland, Raymond F. | Simian virus 40-specific polypeptides in Ad2+ND4- infected cells | A comparison of the proteins synthesized in human cells at late times after infection with adenovirus (Ad2) and with the adeno-simian virus 40 (SV40) hybrid viruses revealed polypeptides of 30,000 and 92,000 molecular weight specific for the hybrid viruses Ad2+ND1 and Ad2+ND4, respectively. Cell-fre... | Molecular Weight; Peptide Biosynthesis; RNA, Messenger; Viral Proteins | 1976 |
| 62 |
 |
Atashroo, Mohammad Ali | Pole-Zero modeling and its applications to speech processing | Autocorrelation Pole-Zero modeling identifies the parameters of a rational transfer function H(z) whose short time-lag autocorrelations either exactly match (Autocorrelation partial Realization) or closely approximate (Autocorrelation Prediction) those of a given spectrum. As a result, the spectrum... | Pole-Zero modeling; Speech processing | 1976 |
| 63 |
 |
Allen, Edgar S. | Sensory information processing (1 July 1976 - 31 March 1977) | The student of human visual perception is often overwhelmed by the vast amount of data that has been accumulated from experiments performed within the last century or so. It is often difficult to understand why a certain experiment has been performed.Results from similar experiments sometimes seem t... | Sensory information processing | 1977 |
| 64 |
 |
McDonald, Lee Edwin | Image recognition using generalized correlation | This paper investigates the use of generalized cross-correlation in pattern matching when the objects may be of one or two dimensions. Generalized correlation can be used to determine the amount of dilatation and rotation between a given template and an object, in addition to determining the relativ... | Image recognition; Generalized correlation | 1977 |
| 65 |
 |
Boll, Steven F. | Application of the saber method for improved spectral analysis of noisy speech | A stand alone noise suppression algorithm is described for reducing the spectral effects of acoustically added noise in speech. A fundamental result is developed which shows that the spectral magnitude of speech plus noise can be effectively approximated as the sum of magnitudes of speech and noise.... | Noise suppression algorithm; SABER method | 1977 |
| 66 |
 |
Lindstrom, Gary E. | Efficiency in nondeterministic control through non-forgetful backtracking | Nondeterministic (ND) control has long been used to express elegant solutions to complex search problems. Programs using ND control can be executed on conventional machines through a systematic examination of trial execution paths. Among the many approaches to the enumeration of these paths is backt... | Nondeterministic control; Non-forgetful backtracking; Search problems | 1977 |
| 67 |
 |
Dintelman, Sue Marie Thompson | Design and implementation of a relational data base system for a minicomputer | A data base system provides the advantages of centralized control of data including increased data independence. Design specifications for a low level relational data base interface are given in the form of a formal description which separates the implementation details from the description of the ... | Data base system | 1977 |
| 68 |
 |
Brown, Bruce Eric | Modeling of solids for three-dimensional finite element analysis | The geometric modeling of solid objects is a major problem within the design analysis loop of the engineering design process. Models are analyzed by various computer programs to predict their performance. The format of each model is usually different for each analysis routine. The existence of sev... | Geometric modeling; Solid objects; Finite element analysis | 1977 |
| 69 |
 |
Keller, Robert M. | Semantics of parallel program graphs | A denotational model for networks of parallel processes is presented which generalizes the work of Kahn by using alternative data types, e.g. Lisp-like operators on trees. It is shown that the ordering aspect of data types plays a central role in determining how much parallelism can be present. It i... | Parallel program graphs; Computer semantics; Denotational model | 1977 |
| 70 |
 |
Davis, A.L. | The architecture of DDMl: a recursively structured data driven machine | An architecture for a highly modular, recursively structured class of machines is presented. DDMl is an instance of such a machine structure, and is capable of executing machine language programs which are data driven (data flow) nets. These nets may represent arbitrary amounts of concurrency as wel... | DDMl; machine structure; machine language programs | 1977 |
| 71 |
 |
Lindstrom, Gary E. | Backtracking in generalized control settings | Backtracking is a powerful conceptual and practical technique in programming. However, its application in general has been limited to global control over recursive programs. In this paper we explore through several examples the coherence and utility of applying backtracking in more general control s... | Backtracking | 1977 |
| 72 |
 |
Stoller, Leigh B. | Shared memory as a basis for conservative distributed architectural simulation | This paper describes experience in parallelizing an execution-driven architectural simulation system used in the development and evaluation of the Avalanche distributed architecture. It reports on a specific application of conservative distributed simulation on a shared memory platform. Various comm... | Shared memory; Avalanche distributed architecture | 1977 |
| 73 |
 |
Gesteland, Raymond F. | Cell-free synthesis of herpes simplex virus proteins | Polyribosomes isolated from herpes simplex virus type I (HSV-1)-infected cells have been used to program a eucaryotic cell-free translation system. At least 10 HSV-specific polypeptides, with apparent molecular weights of 25,000 to 160,000, are synthesized by wild-type HSV-infected polyribosomes. Po... | Viral Proteins; Herpes Simplex; Peptide Biosynthesis; Thymidine Kinase | 1977 |
| 74 |
 |
Lindstrom, Gary E. | CONSIM: a converstional simulation language implemented through interpretive control self-modeling | This paper describes an implementation technique termed interpretive control self-modeling (ICSM) and outlines its application in the implementation of CONSIM, a prototype conversational simulation language. ICSM may be defined as the use of a higher-level programming language (HLL) to specify its o... | CONSIM; Converstional simulation language; Interpretive control self-modeling; ICSM | 1977 |
| 75 |
 |
Allen, Edgar S. | Sensory information processing (1 January 1976 - 30 June 1976) | The removal of the effects of atmospheric turbulence from optical images is a significant problem of long standing. Recent investigations by Knox and Thompson have led to the development of a restoration procedure which shows considerable promise. This procedure has not been successfully applied to ... | Removal; Atmospheric turbulence; Interference; Restoration procedure | 1977 |
