Search Results for author: Jelena Kovacevic

Found 5 papers, 0 papers with code

3D Point Cloud Denoising via Deep Neural Network based Local Surface Estimation

no code implementations9 Apr 2019 Chaojing Duan, Siheng Chen, Jelena Kovacevic

NPD algorithm uses a neural network to estimate reference planes for points in noisy point clouds.

Denoising

Rotation Invariant Angular Descriptor Via A Bandlimited Gaussian-like Kernel

no code implementations8 Jun 2016 Michael T. McCann, Matthew Fickus, Jelena Kovacevic

We present a new smooth, Gaussian-like kernel that allows the kernel density estimate for an angular distribution to be exactly represented by a finite number of its Fourier series coefficients.

Density Estimation Human Detection +1

Robust hyperspectral image classification with rejection fields

no code implementations29 Apr 2015 Filipe Condessa, Jose Bioucas-Dias, Jelena Kovacevic

We validate our method in real hyperspectral data and show that the performance gains obtained from the rejection fields are equivalent to an increase the dimension of the training sets.

Classification General Classification +2

SegSALSA-STR: A convex formulation to supervised hyperspectral image segmentation using hidden fields and structure tensor regularization

no code implementations27 Apr 2015 Filipe Condessa, Jose Bioucas-Dias, Jelena Kovacevic

We present a supervised hyperspectral image segmentation algorithm based on a convex formulation of a marginal maximum a posteriori segmentation with hidden fields and structure tensor regularization: Segmentation via the Constraint Split Augmented Lagrangian Shrinkage by Structure Tensor Regularization (SegSALSA-STR).

Hyperspectral Image Segmentation Image Segmentation +2

Performance measures for classification systems with rejection

no code implementations10 Apr 2015 Filipe Condessa, Jelena Kovacevic, Jose Bioucas-Dias

Classifiers with rejection are essential in real-world applications where misclassifications and their effects are critical.

Classification Decision Making +1

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