Essays about: "Johanna Frost"

Found 3 essays containing the words Johanna Frost.

  1. 1. Modelling of Corneal Surface - A Method for Reconstruction of Corneal Surface in a Wearable Eye Tracking Device

    University essay from KTH/Matematik (Avd.)

    Author : Johanna Frost; [2022]
    Keywords : applied mathematics; modelling; optimization; regression; computer vision; tillämpad matematik; modellering; optimering; regression; datorseende;

    Abstract : We investigate a method for reconstructing the anterior corneal surface using wearable eye tracking devices. The presented method assumes that the four reflection points from two light sources viewed by two cameras lie on a locally spherical surface of a cornea. READ MORE

  3. 2. Hur påverkar mekaniskt snytbaggeskydd, markberedning, plantstorlek och plantgödsling granplantors överlevnad och tillväxt?

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Johanna Abrahamsson; Jessica Wallgren; [2022]
    Keywords : mekaniskt snytbaggeskydd; plantstorlek; markberedning; plantgödsling; föryngringsåtgärder; vitalitet;

    Abstract : Reforestation of land entails both costs and uncertainties. Risk of pine weevil infestation, competition from other vegetation, frost and insufficient nutrient supply are some examples. READ MORE

  4. 3. Comparison of Second Order Optimization Algorithms in Neural Networks Applied on Large-Scale Problems

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Johanna Frost; Rafael Lavatt; [2020]
    Keywords : ;

    Abstract : This bachelor thesis compares the second order optimization algorithms K-FAC and L-BFGS to common ones of firstorder, Gradient Descent, Stochastic Gradient Descent, and Adam, applied on neural networks for image classification. Networks with different architecture and number of parameters have been implemented and tested on three different data sets of images. READ MORE