What is Semantic Segmentation? Image segmentation is a computer vision task in which we label specific regions of an image according to what’s being shown. The goal of semantic image segmentation is to label each pixel of an image with a corresponding class of what is being represented.
2020-12-19
2020-12-19
Bounding box formats comparison and conversion In COCO Json, the format of bounding box is: "bbox": [ <absolute_x_top_left>, <absolute_y_top_left>, <absolute_width>, <absolute_height> ] However, the annotation is different in YOLO. For each .
2020-12-02
The COCO dataset is formatted in JSON and is a collection of “info”, “licenses”, “images”, “annotations”, “categories” (in most cases), and “segment info” (in one case). { "info": {...}, "licenses": [.
2020-12-02
Motivation Idea: Use a search-window to scan over an image Train a classifier to decide whether the search windows contains a face or not? Detection Simple neuron model Topologies Parameters Adjustable Parameters are
2020-11-13
Precision & Recall Confusion matrix: Precision: measures how accurate is your predictions. i.e. the percentage of your predictions are correct. $$ \text{precision} = \frac{TP}{TP + FP} $$ Recall: measures how good you find all the positives.
2020-11-12
2020-11-12
TL;DR Different color spaces and classifiers can be used Models: histograms, Gaussian Models, Mixture of Gaussians Model Histogram-backprojection / Histogram matching Bayes classifier Discriminative Classifiers (ANN, SVM) Bayesian classifier and ANN seem to work well
2020-11-06
Why pattern recognition and what is it? What is machine learning? Motivation: Some problems are very hard to solve by writing a computer program by hand Learn common patterns based on either a priori knowledge or
2020-11-06
Name Computer Vision for Human-Computer Interaction Semester WS 20/21 Language English, German Lecturer(s) Prof. Dr.-Ing. Rainer Stiefelhagen Dr.-Ing. Muhammad Saquib Sarfraz Credits 6 Homepages https://cvhci.anthropomatik.kit.edu/600_1979.php
2020-11-06