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Differential operators on sketches via alpha contours
(Association for Computing Machinery, 2023-08)
A vector sketch is a popular and natural geometry representation depicting
a 2D shape. When viewed from afar, the disconnected vector strokes of a
sketch and the empty space around them visually merge into positive ...
Singularity-free frame fields for line drawing vectorization
(Wiley, 2023-07-19)
State-of-the-art methods for line drawing vectorization rely on generated frame fields for robust direction disambiguation, with
each of the two axes aligning to different intersecting curve tangents around junctions. ...
Dynamic decision making in a mixed market under cooperation : towards sustainability
(Elsevier, 2021-08-21)
Sustainability goals are becoming a priority in many societies. An important element in this context is the success of environmentally friendly products. Hence, we consider a manufacturer-retailer vertical supply chain ...
A bilevel approach for the collaborative transportation planning problem
(Elsevier, 2020-12-15)
The integration of the outbound and the inbound logistics of a company leads to a large transportation network, allowing to detect backhauling opportunities to increase the efficiency of the
transportation. In collaborative ...
Lexicographic optimization for the multi-container loading problem with open dimensions for a shoe manufacturer
(Springer, 2022-08-29)
Motivated by a real-world application, we present a multi-container loading problem with 3-open
dimensions. We formulate it as a biobjective mixed-integer nonlinear program with lexicographic
objectives in order to reflect ...
Pricing and quality investments in a mixed brown-green product market
(Springer, 2020-09-22)
Sustainable Supply Chain Management (SSCM) has assumed
a position of prominence for academics and industry over the last two
decades. The sustainability literature shows that typically manufacturers aim to optimize their ...
Nash equilibria in the two-player kidney exchange game
(Springer, 2016-04-21)
Kidney exchange programs have been set in several countries within national, regional or hospital frameworks, to increase the possibility of kidney patients being transplanted. For the case of hospital programs, it has ...
Keypoint-driven line drawing vectorization via polyvector flow
(Association for Computing Machinery, 2021-12)
Line drawing vectorization is a daily task in graphic design, computer animation, and engineering, necessary to convert raster images to a set of curves for editing and geometry processing. Despite recent progress in the ...
Sketch2Pose : estimating a 3D character pose from a bitmap sketch
(Association for computing machinery, 2022-07-22)
Artists frequently capture character poses via raster sketches, then use these drawings as a reference while posing a 3D character in a specialized 3D software --- a time-consuming process, requiring specialized 3D training ...
Reconstruction of machine-made shapes from bitmap sketches
(Association for computing machinery, 2023-12)
We propose a method of reconstructing 3D machine-made shapes from
bitmap sketches by separating an input image into individual patches and
jointly optimizing their geometry. We rely on two main observations: (1)
human ...