Peter Whidden PWhiddy

PWhiddy / diff_expr_v2.py

Created October 17, 2024 18:51

	from enum import Enum
	from random import random

	Ops = Enum("Ops", ["Add", "Sub", "Mult", "Pow"])

	# 3 expression types for a simple AST

	class Constant:
	def __init__(self, value):
	self.value = value

PWhiddy / diff_expr.py

Created October 15, 2024 00:31

Symbolic Polynomial Derivative Calculator

	from enum import Enum
	from random import random

	Ops = Enum("Ops", ["Add", "Sub", "Mult", "Pow"])

	# 3 expression types for a simple AST

	class Constant:
	def __init__(self, value):
	self.value = value

PWhiddy / webgpu-naive-conv-test.html

Created April 18, 2024 01:08

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>WebGPU Image Convolution</title>
	</head>
	<body>
	<h1>WebGPU Image Convolution</h1>
	<button id="run">Run Convolution</button>

PWhiddy / webcam_face_follow.py

Created November 17, 2023 19:55

match face position from a video to your webcam in realtime

	import cv2
	import hnswlib
	import numpy as np

	def set_resolution(cap, width, height):
	cap.set(cv2.CAP_PROP_FRAME_WIDTH, width)
	cap.set(cv2.CAP_PROP_FRAME_HEIGHT, height)

	def extract_face_pose(frame, face_detector):
	faces = face_detector.detectMultiScale(frame, scaleFactor=1.1, minNeighbors=5)

PWhiddy / Test_bbox_to_mask.ipynb

Created October 5, 2021 02:01

Improved implementation of bbox_to_mask

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PWhiddy / install_linux_tools.sh

Last active May 10, 2021 07:22

A handful of common dev tools

PWhiddy / stamps.cpp

Created May 31, 2019 22:54

options for speeding up the stamp generation

	// original function, generates single trajectory
	RawImage KBMOSearch::stackedStamps(trajectory t, int radius, std::vector<RawImage*> imgs)
	{
	if (radius<0) throw std::runtime_error("stamp radius must be at least 0");
	int dim = radius*2+1;
	RawImage stamp(dim, dim);
	std::vector<float> times = stack.getTimes();
	for (int i=0; i<imgs.size(); ++i)
	{
	for (int x=0; x<dim; ++x)

PWhiddy / untar

Created June 19, 2018 04:36

Extract a .tar.gz

	#!/bin/sh
	# Add this to /bin/ folder and never look up how to extract a tar again
	# Usage: untar some-software-1.0-linux-x86_64.tar.gz
	tar -zxvf $1

PWhiddy / kbmod.svg

Last active October 2, 2017 09:01

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