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Perceiving Visual Texture
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Book Synopsis Perceiving Visual Texture by : Ronald M. Pickett
Download or read book Perceiving Visual Texture written by Ronald M. Pickett and published by . This book was released on 1968 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The visual perception of texture is introduced as a research problem important, in itself, but important also as an entrance into the broader and little understood area of complex pattern perception. Definitions of texture, both from a substantive and an abstract standpoint, are presented and followed by discussions of: (1) the information carried in textures and (2) the possible functions of texture perception in visually controlled behavior. Then a review of laboratory and field studies is presented, followed by a discussion of directions for future research. A functional theory of pattern perception is assumed, in which the processing of substantive information in optical patterns is emphasized. The application of man's natural visual capacities is proposed for scientific imagery analysis. Techniques are suggested for presenting the imagery in an ecologically relevant context of substantive analysis and description. (Author).
Book Synopsis Computer Analysis of Visual Textures by : Fumiaki Tomita
Download or read book Computer Analysis of Visual Textures written by Fumiaki Tomita and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents theories and techniques for perception of textures by computer. Texture is a homogeneous visual pattern that we perceive in surfaces of objects such as textiles, tree barks or stones. Texture analysis is one of the first important steps in computer vision since texture provides important cues to recognize real-world objects. A major part of the book is devoted to two-dimensional analysis of texture patterns by extracting statistical and structural features. It also deals with the shape-from-texture problem which addresses recovery of the three-dimensional surface shapes based on the geometry of projection of the surface texture to the image plane. Perception is still largely mysterious. Realizing a computer vision system that can work in the real world requires more research and ex periment. Capability of textural perception is a key component. We hope this book will contribute to the advancement of computer vision toward robust, useful systems. vVe would like to express our appreciation to Professor Takeo Kanade at Carnegie Mellon University for his encouragement and help in writing this book; to the members of Computer Vision Section at Electrotechni cal Laboratory for providing an excellent research environment; and to Carl W. Harris at Kluwer Academic Publishers for his help in preparing the manuscript.
Download or read book Perceiving Visual Texture written by and published by . This book was released on 1968 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Visual Perception of Texture in the Environment by : Ryuzo Ohno
Download or read book The Visual Perception of Texture in the Environment written by Ryuzo Ohno and published by . This book was released on 1980 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visual Texture Perception by : Thomas King-Hong Leung
Download or read book Visual Texture Perception written by Thomas King-Hong Leung and published by . This book was released on 2000 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experiments in the visual perception of texture by : Bela Julesz
Download or read book Experiments in the visual perception of texture written by Bela Julesz and published by . This book was released on 1975 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wavelet-based Texture Retrieval and Modeling Visual Texture Perception by : Shaohua Zhou
Download or read book Wavelet-based Texture Retrieval and Modeling Visual Texture Perception written by Shaohua Zhou and published by . This book was released on 2000 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Texture and Visual Perception by : Bela Julesz
Download or read book Texture and Visual Perception written by Bela Julesz and published by . This book was released on 1965 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Visual Perception of Surface Texture by : James J. Gibson
Download or read book The Visual Perception of Surface Texture written by James J. Gibson and published by . This book was released on 1985 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visual Representations Subserving Texture Perception by : J. Beck
Download or read book Visual Representations Subserving Texture Perception written by J. Beck and published by . This book was released on 1984 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ongoing research investigates the representations of visual texture and the processes that detect discontinuities and structure in visual texture. Psychophysical experiments have investigated the salience of bar orientation and the effect of groupings in texture segmentation. We are examining the role of elongated receptive field mechanisms in computing both local measures of orientation and their possible role in texture segmentation. We have found such mechanisms, however, to be less appropriate for determining one-dimensional groupings of (collinear) discrete items of texture. Combined psychophysical and computational studies have provided evidence for place tokens in groupings, and current work is directed towards understanding how these tokens may be defined in fine-scale texture detail. To support this work, a vision laboratory has been established based on a Symbolics 3600 Lisp Machine. (Author).
Book Synopsis The Gradients of Texture and the Visual Perception of Depth by : Tauno Nyberg
Download or read book The Gradients of Texture and the Visual Perception of Depth written by Tauno Nyberg and published by . This book was released on 1959 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ecological Approach To Visual Perception by : James J. Gibson
Download or read book The Ecological Approach To Visual Perception written by James J. Gibson and published by Psychology Press. This book was released on 2013-05-13 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a book about how we see: the environment around us (its surfaces, their layout, and their colors and textures); where we are in the environment; whether or not we are moving and, if we are, where we are going; what things are good for; how to do things (to thread a needle or drive an automobile); or why things look as they do. The basic assumption is that vision depends on the eye which is connected to the brain. The author suggests that natural vision depends on the eyes in the head on a body supported by the ground, the brain being only the central organ of a complete visual system. When no constraints are put on the visual system, people look around, walk up to something interesting and move around it so as to see it from all sides, and go from one vista to another. That is natural vision -- and what this book is about.
Book Synopsis Visual Texture Analysis by : Charles Herd
Download or read book Visual Texture Analysis written by Charles Herd and published by . This book was released on 2018 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Texture and Object Representation for Human Visual Perception by : Akshay Vivek Jagadeesh
Download or read book Texture and Object Representation for Human Visual Perception written by Akshay Vivek Jagadeesh and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human visual object perception occurs in service of behavior. The behaviors which rely on object vision are numerous and varied, from object categorization to visual search to face recognition to novel pattern discrimination. The format of brain representations which underlie visual perception must therefore be sufficiently generalizable as to support this wide variety of behaviors. The visual cortex of humans, especially the ventral visual cortex, contains neural populations which encode information about objects. For example, neurons in primary visual cortex (V1) respond more to lines of some orientations than others, neurons in area V2 respond more to naturalistic textures than to noise patterns, and neurons in the fusiform gyrus respond more to faces than to other objects. Despite decades of research characterizing such neural selectivities, much remains to be understood about how these visual feature representations give rise to perception. In this dissertation, I aim to characterize the format of visual object and texture representations in human ventral visual cortex as well as the downstream cortical computations which select and integrate such representations in support of behavior. I present evidence that human visual cortex encodes information about objects but does not directly support object perception. Rather than explicitly encoding a fixed set of familiar stimuli, visual cortex provides a configurable basis of complex texture-like feature representations. Further, I show that attention is necessary to transform these texture-like representations into a format better suited to support object perception. Finally, I demonstrate that depending on task demands, visual perception must be able to flexibly access feature representations from different visual cortical regions. I conclude by discussing the implications of this work on future modeling efforts for computer vision and cognitive neuroscience. Taken in sum, this dissertation suggests that human visual cortex extracts a complex basis set of features which describe the visual world, and attention and task engagement select and integrate those visual features to support perception.
Book Synopsis The Ecological Approach to Visual Perception by : James J. Gibson
Download or read book The Ecological Approach to Visual Perception written by James J. Gibson and published by Psychology Press. This book was released on 2014-11-20 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, first published in 1979, is about how we see: the environment around us (its surfaces, their layout, and their colors and textures); where we are in the environment; whether or not we are moving and, if we are, where we are going; what things are good for; how to do things (to thread a needle or drive an automobile); or why things look as they do. The basic assumption is that vision depends on the eye which is connected to the brain. The author suggests that natural vision depends on the eyes in the head on a body supported by the ground, the brain being only the central organ of a complete visual system. When no constraints are put on the visual system, people look around, walk up to something interesting and move around it so as to see it from all sides, and go from one vista to another. That is natural vision -- and what this book is about.
Book Synopsis Drawing and Perceiving by : Douglas Cooper
Download or read book Drawing and Perceiving written by Douglas Cooper and published by John Wiley & Sons. This book was released on 2007-01-29 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete guide to drawing, perception, and analysis for architects and designers The observation and drawing of real objects are the starting points for the designer's visionary constructions and inspirations. A longtime favorite of architectural students, Douglas Cooper's Drawing and Perceiving: Real-World Drawing for Students of Architecture and Design instills an understanding of the basic principles of drawing that are universal to all design disciplines-mass, volume, form, contour, texture, shadow, and more-as it explores the knowledge, rational thought, and expressiveness that designers rely on to create successful drawings. Now including a CD featuring Cooper's own dynamic instruction, this new Fourth Edition combines theory and technique to prepare students of architecture and design to carry on a dialogue between their perceptions of the physical world and their understanding of the elements of design.
Book Synopsis Studies of the Visual Perception of Substance by : Ronald M. Pickett
Download or read book Studies of the Visual Perception of Substance written by Ronald M. Pickett and published by . This book was released on 1972 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of the research was to study man's ability to sense substantive properties of objects and materials just by looking at them. The results from three areas of study give no evidence that the perceptual process involved in substantive analyses of optical designs is any different from the process involved in abstract analyses. Apparently only a crude analysis is performed sufficient to name the object or material. Visual abstraction of fine substantive information may require textured displays. (Author).
