نتایج جستجو برای: hierarchical binary tree
تعداد نتایج: 365730 فیلتر نتایج به سال:
A non-decreasing sequence of positive integer weights P = {p1, . . . , p2, pn} is called k-ordered if an intermediate sequence of weights produced by Huffman algorithm for initial sequence P on i-th step satisfies the following conditions: p (i) 2 = p (i) 3 , i = 0, k; p (i) 2 < p (i) 3 , i = k + 1, n − 3. Let T be a binary tree of size n and M = M(T ) be a set of such sequences of positive int...
In this paper, we propose and investigate a novel memory architecture for neural networks called Hierarchical Attentive Memory (HAM). It is based on a binary tree with leaves corresponding to memory cells. This allows HAM to perform memory access in Θ(logn) complexity, which is a significant improvement over the standard attention mechanism that requires Θ(n) operations, where n is the size of ...
In the next two lectures we study the question of dynamic optimality, or whether there exists a binary search tree algorithm that performs ”as well” as all other algorithms on any input string. In this lecture we will define a binary search tree as a formal model of computation, show some analytic bounds that a dynamically optimal binary search tree needs to satisfy, and show two search trees t...
Multi-class support vector machines with binary tree architecture (SVM-BTA) have the fastest decision-making speed in the existing multi-class SVMs. But SVM-BTA usually has bad classification capability. According to internal characteristics of feature samples, this paper uses resemblance coefficient method to construct automatically binary tree to incorporate multiple binary SVMs. The multi-cl...
We describe how the pipeline for 3D online reconstruction using commodity depth and image scanning hardware can be made scalable for large spatial extents and high scanning resolutions. Our modified pipeline requires less than 10% of the memory that is required by previous approaches at similar speed and resolution. To achieve this we avoid storing a 3D distance field and weight map during onli...
Figure 1: a binary tree Search trees are tree-based data structures that can be used to store and search for items that satisfy a total order. There are many types of search trees designed for a wide variety of purposes. Probably, the most common use is to implement sets and tables (dictionaries, mappings). As shown on right, a binary tree is a tree in which every node in the tree has at most t...
A neighborliness property of marginal polytopes of hierarchical models, depending on the cardinality of the smallest non-face of the underlying simplicial complex, is shown. The case of binary variables is studied explicitly, then the general case is reduced to the binary case. A Markov basis for binary hierarchical models whose simplicial complexes is the complement of an interval is given.
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