Download A Computational Perspective on Visual Attention by John K. Tsotsos PDF

By John K. Tsotsos

ISBN-10: 0262015412

ISBN-13: 9780262015417

Even though William James declared in 1890, "Everyone is familiar with what realization is," this present day there are lots of diverse and occasionally opposing perspectives on the topic. This fragmented theoretical panorama could be simply because many of the theories and versions of consciousness supply reasons in normal language or in a pictorial demeanour instead of delivering a quantitative and unambiguous assertion of the idea. They concentrate on the manifestations of consciousness rather than its cause. during this e-book, John Tsotsos develops a proper version of visible realization with the objective of supplying a theoretical cause of why people (and animals) should have the skill to wait. he's taking a distinct method of the speculation, utilizing the total breadth of the language of computation--rather than just the language of mathematics--as the formal technique of description. the end result, the Selective Tuning version of imaginative and prescient and a focus, explains attentive habit in people and offers a beginning for construction computers that see with human-like features. The overarching end is that human imaginative and prescient relies on a common objective processor that may be dynamically tuned to the duty and the scene seen on a moment-by-moment foundation. Tsotsos deals a complete, updated evaluation of cognizance theories and types and a whole description of the Selective Tuning version, confining the formal components to 2 chapters and appendixes. The textual content is observed by means of greater than a hundred illustrations in black and white and colour; extra colour illustrations and videos can be found at the book's website

Show description

Read Online or Download A Computational Perspective on Visual Attention PDF

Best graphics & visualization books

Video Analytics for Business Intelligence

Closed Circuit tv (CCTV) cameras were more and more deployed pervasively in public areas together with retail centres and buying department shops. clever video analytics goals to immediately examine content material of huge volume of public house video information and has been some of the most lively components of laptop imaginative and prescient examine within the final twenty years.

Approaches to Probabilistic Model Learning for Mobile Manipulation Robots

Cellular manipulation robots are estimated to supply many helpful prone either in household environments in addition to within the business context. Examples contain household carrier robots that enforce huge elements of the home tasks, and flexible commercial assistants that supply automation, transportation, inspection, and tracking prone.

Motion Estimation for Video Coding: Efficient Algorithms and Architectures

The necessity of video compression within the smooth age of visible communique can't be over-emphasized. This monograph will supply worthy info to the postgraduate scholars and researchers who desire to paintings within the area of VLSI layout for video processing functions. during this booklet, you can find an in-depth dialogue of a number of movement estimation algorithms and their VLSI implementation as conceived and built through the authors.

Visual Quality Assessment by Machine Learning

The e-book encompasses the cutting-edge visible caliber overview (VQA) and studying established visible caliber evaluation (LB-VQA) by way of offering a entire evaluate of the prevailing correct equipment. It offers the readers the fundamental wisdom, systematic review and new improvement of VQA. It additionally encompasses the initial wisdom of laptop studying (ML) to VQA initiatives and newly constructed ML options for the aim.

Additional resources for A Computational Perspective on Visual Attention

Example text

NP-Complete (NPC) is a subset of NP. NP (Nondeterministic Polynomial time) may be defined as the set of decision problems that can be solved in polynomial time on a nondeterministic Turing Machine (one that includes an oracle to guess at the answer). A problem p in NP is also in NPC if and only if every other problem in NPC can be transformed into p in polynomial time (the processing time required for the transformation can be expressed as a polynomial function of the input size). The reader wishing more background on complexity theory and its use here is referred to appendix A of this volume.

The important variables that play a role are the number of image locations P, the number of object/event prototypes in memory N, and the number of measurements made at each image location M. If a vision system needs to search through the set of all possible image locations (pixels) and all possible subsets of locations (there are 2P of them) and compare them to each element of memory, then without any task guidance or knowledge of the characteristics of the subset it seeks, it cannot know which subset may be more likely than another.

The bounded problem changes the definition slightly to reflect the addition of task knowledge, given in the form of an explicit target image G. The subsets a are constrained to be only those of the same size and extent as G. 1 Unbounded (Bottom-up) Visual Match (UVM) is NP-Complete, with time complexity an exponential function of P [the worst-case time complexity is O(P 22P); see appendix B]. The notation O(-), known as Big-O notation, signifies the order of the time complexity function; that is, its dominating terms asymptotically.

Download PDF sample

Rated 4.30 of 5 – based on 43 votes