Optimization

A Momentumized, Adaptive, Dual Averaged Gradient Method for Stochastic Optimization

A Momentumized, Adaptive, Dual Averaged Gradient Method for Stochastic Optimization pip install madgrad Try it out! A best-of-both-worlds optimizer with the generalization performance of SGD and at least as fast convergence as that of Adam, often faster. A drop-in torch.optim implementation madgrad.MADGRAD is provided, as well as a FairSeq wrapped instance. For FairSeq, just import madgrad anywhere in your project files and use the –optimizer madgrad command line option, together with –weight-decay, –momentum, and optionally –madgrad_eps. The madgrad.py file containing […]

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Encoder

ReStyle: A Residual-Based StyleGAN Encoder via Iterative Refinement

Recently, the power of unconditional image synthesis has significantly advanced through the use of Generative Adversarial Networks (GANs). The task of inverting an image into its corresponding latent code of the trained GAN is of utmost importance as it allows for the manipulation of real images, leveraging the rich semantics learned by the network. Recognizing the limitations of current inversion approaches, in this work we present a novel inversion scheme that extends current encoder-based inversion methods by introducing an iterative […]

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Neural Network

Plenoxels: Radiance Fields without Neural Networks, Code release WIP

Alex Yu*, Sara Fridovich-Keil*, Matthew Tancik, Qinhong Chen, Benjamin Recht, Angjoo Kanazawa UC Berkeley Website and video: https://alexyu.net/plenoxels arXiv: https://arxiv.org/abs/2112.05131 Note: This is a preliminary release. We have not carefully tested everything,but feel that it would be better to first put the code out there. Also, despite the name, it’s not strictly intended to be a successor of svox Citation: @misc{yu2021plenoxels, title={Plenoxels: Radiance Fields without Neural Networks}, author={{Alex Yu and Sara Fridovich-Keil} and Matthew Tancik and Qinhong Chen and Benjamin […]

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Tutorial

A tutorial designed to introduce you to SQlite 3 database using python

A tutorial designed to introduce you to SQlite 3 database using python SQLite is an in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. It is a database, which is zero-configured, which means like other databases you do not need to configure it in your system. SQLite engine is not a standalone process like other databases, you can link it statically or dynamically as per your requirement with your application. SQLite accesses its storage files directly. Easier […]

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Image Processing

Image Processing HighPass Filter With Python

High Pass Filter take the high frequency and ignore the low frequency High Pass Filter can be use to sharpening an image, or make a edge detection. Characteristic of High Pass Filter is, the elements of the kernel matrix are negative, zero , and positive. Sum of all the elements are 0 (zero). Original Image Convert to Gray Scale Image Apply High Pass Filter to Image GitHub View Github    

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Python

Python Zip Imports: Distribute Modules and Packages Quickly

Python allows you to import code from ZIP files directly through Zip imports. This interesting built-in feature enables you to zip Python code for distribution purposes. Zip imports also help if you often work with Python code that comes in ZIP files. In either case, learning to create importable ZIP files and to import code from them will be a valuable skill. Even if your day-to-day workflow doesn’t involve ZIP files containing Python code, you’ll still learn some fun and […]

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