input: grad_out: (m, c, nsample) output: (n, c), None

Initialize a data loader for a given dataset class.

Creates and returns an instance of the datasets given its name.

Computes the confusion matrix The shape of the confusion matrix is K x K, where K is the number of classes. Keyword argument

Compute P and R for predicted bounding boxes. Ignores classes! Args: labels: (N x bbox) ground-truth bounding boxes (6 dims) pred

Computes IoU of two axis aligned bboxes. Args: box_a, box_b: 6D of center and lengths Returns: iou

Creates and returns an instance of the model given its class name.

Creates and returns an instance of the model given its class name.

Ref: http://stackoverflow.com/questions/24467972/calculate-area-of-polygon-given-x-y-coordinates

Read txt file into lines.

data_paths: list of lists, [[str_path_to_input, str_path_to_label], [...]]

Return an activation function given a string

Compute area of two convex hull's intersection area. p1,p2 are a list of (x,y) tuples of hull vertices. return a list of (x,y) for th

Beginning of GPU Architecture definitions

Base/wrapper method for transforming points using R and T.

compute distance between box corners to replace iou Args: crnr1, crnr2: Nx3 points of box corners in camera axis (y points down)

corners: (8,3) no assumption on axis direction