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Results 1 - 10
of
437,636
under Visibility Constraint ∗
, 2011
"... Many developing countries ratified the International Labor Organization’s Fundamental Conventions and authorized local labor unions. Multinational companies producing in these countries pay more in response to NGO campaigns and when reputation counts. However, whether NGOs’ actions benefit local wor ..."
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in the objectives of labor unions, confronted with the constraint of increasing employment in the formal sector.
Range Segmentation Using Visibility Constraints
"... Visibility constraints can aid the segmentation of foreground objects in a scene observed with multiple range imagers. Points may be labeled as foreground if they can be determined to occlude some space in the scene that we expect to be empty. Visibility constraints from a second range view can prov ..."
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Visibility constraints can aid the segmentation of foreground objects in a scene observed with multiple range imagers. Points may be labeled as foreground if they can be determined to occlude some space in the scene that we expect to be empty. Visibility constraints from a second range view can
Range Segmentation Using Visibility Constraints
"... Visibility constraints can aid the segmentation of foreground objects observed with multiple range images. In our approach, points are defined as foreground if they can be determined to occlude some empty space in the scene. We present an efficient algorithm to estimate foreground points in each ran ..."
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Cited by 1 (0 self)
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Visibility constraints can aid the segmentation of foreground objects observed with multiple range images. In our approach, points are defined as foreground if they can be determined to occlude some empty space in the scene. We present an efficient algorithm to estimate foreground points in each
Motion Planning with Visibility Constraints: Building Autonomous Observers
- PROCEEDINGS OF THE EIGHTH INTERNATIONAL SYMPOSIUM OF ROBOTICS RESEARCH
, 1998
"... Autonomous Observers are mobile robots that cooperatively perform vision tasks. Their design raises new issues in motion planning, where visibility constraints and motion obstructions must be simultaneously taken into account. This paper presents the concept of an Autonomous Observer and its applica ..."
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Cited by 21 (6 self)
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Autonomous Observers are mobile robots that cooperatively perform vision tasks. Their design raises new issues in motion planning, where visibility constraints and motion obstructions must be simultaneously taken into account. This paper presents the concept of an Autonomous Observer and its
Shortest Paths with Single-Point Visibility Constraints
"... This paper studies the problem of finding the shortest path between two points in presence of single-point visibility constraints. In this type of constraints, there should be at least one point on the output path from which a fixed viewpoint is visible. The problem is studied in various domains ..."
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Cited by 3 (2 self)
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This paper studies the problem of finding the shortest path between two points in presence of single-point visibility constraints. In this type of constraints, there should be at least one point on the output path from which a fixed viewpoint is visible. The problem is studied in various domains
Enforcing Confidentiality and Data Visibility Constraints: An OBDD Approach
, 2011
"... The problem of enabling privacy-preserving data releases has become more and more important in the last years thanks to the increasing needs of sharing and disseminating information. In this paper we address the problem of computing data releases in the form of fragments (vertical views) over a rel ..."
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Cited by 1 (1 self)
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relational table, which satisfy both confidentiality and visibility constraints, expressing needs for information protection and release, respectively. We propose a modeling of constraints and of the data fragmentation problem based on Boolean formulas and Ordered Binary Decision Diagrams (OBDDs). Exploiting
A Qualitative Visual Servoing to ensure the Visibility Constraint
, 2009
"... Abstract — This paper describes an original control law called qualitative servoing. The particularity of this method is that no specific desired value is specified for the visual features involved in the control scheme. Indeed, visual features are only constrained to belong to a confident interval, ..."
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, which gives more flexibility to the system. While this formalism can be used for several types of visual features, it is used in this paper for improving the on-line control of the visibility of a target. The principle is to make a compromise between the classical positioning task and the visibility
Multi-Level 3D Reconstruction with Visibility Constraints
"... In this paper, we examine the problem of 3D reconstruction from a large number of images annotated with camera pose information. Our proposed method involves computing 3D descriptions of the scene at multiple levels of representation (vertex, line segment, and surface) simultaneously. A major proble ..."
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Cited by 4 (0 self)
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problem encountered during bottom-up processing is the uncertainty of low-level feature correspondence, which often results in mis-matches. We observe that visibility constraints from surface-level information can help in resolving ambiguity. This motivates our design of a hypothesis-based 3D
Concurrent Constraint Programming
, 1993
"... This paper presents a new and very rich class of (con-current) programming languages, based on the notion of comput.ing with parhal information, and the con-commitant notions of consistency and entailment. ’ In this framework, computation emerges from the inter-action of concurrently executing agent ..."
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Cited by 502 (16 self)
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agents that communi-cate by placing, checking and instantiating constraints on shared variables. Such a view of computation is in-teresting in the context of programming languages be-cause of the ability to represent and manipulate partial information about the domain of discourse, in the con
Visibility Constraints on Features of 3D Objects
"... To recognize three-dimensional objects it is important to model how their appearances can change due to changes in viewpoint. A key aspect of this involves understanding which object features can be simultaneously visible under different viewpoints. We address this problem in an imagebased framework ..."
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Cited by 3 (0 self)
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To recognize three-dimensional objects it is important to model how their appearances can change due to changes in viewpoint. A key aspect of this involves understanding which object features can be simultaneously visible under different viewpoints. We address this problem in an imagebased
Results 1 - 10
of
437,636
