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SIGGRAPH
1996
ACM
15 years 10 months ago
Combining Frequency and Spatial Domain Information for Fast Interactive Image Noise Removal
Scratches on old films must be removed since these are more noticeable on higher definition and digital televisions. Wires that suspend actors or cars must be carefully erased dur...
Anil N. Hirani, Takashi Totsuka
SIGGRAPH
1996
ACM
15 years 10 months ago
Fitting Smooth Surfaces to Dense Polygon Meshes
Recent progress in acquiring shape from range data permits the acquisition of seamless million-polygon meshes from physical models. In this paper, we present an algorithm and syst...
Venkat Krishnamurthy, Marc Levoy
SIGMOD
1996
ACM
143views Database» more  SIGMOD 1996»
15 years 10 months ago
Algorithms for Deferred View Maintenance
Materialized views and view maintenance are important for data warehouses, retailing, banking, and billing applications. We consider two related view maintenance problems: 1) how ...
Latha S. Colby, Timothy Griffin, Leonid Libkin, In...
SIGMOD
1996
ACM
132views Database» more  SIGMOD 1996»
15 years 10 months ago
Cost-Based Optimization for Magic: Algebra and Implementation
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
Praveen Seshadri, Joseph M. Hellerstein, Hamid Pir...
WADS
1997
Springer
89views Algorithms» more  WADS 1997»
15 years 10 months ago
Intractability of Assembly Sequencing: Unit Disks in the Plane
We consider the problem of removing a given disk from a collection of unit disks in the plane. At each step, we allow a disk to be removed by a collision-free translation to infin...
Michael H. Goldwasser, Rajeev Motwani