Chi's Blog

Training a Quadcopter to Autonomously Learn to Track

1 Introduction We’ve witnessed the advent of a new era for robotics recently due to advances in control methods and reinforcement learning algorithms, among which unmanned aerial vehicles (UAV) ha...

Posted by Chi Zhang on December 11, 2016

Towards Reducing Repetitiveness in Community-Based Question Answering

This a summary of my paper in solving the repetitiveness in Community-Based Question Answering. 1 Introduction Community-Based Question Answering (CQA) platforms, such as Quora and Zhihu, Quo...

Posted by Chi Zhang on December 8, 2016

Pros and Cons of Parsing-Based App

This a summary of my personal experience on developing and using web-parsing-based tools. 1 Introduction A trend that this new decade has witnessed is that nearly every mature application has...

Posted by Chi Zhang on October 23, 2016

Release of SceneSet-50 and Code for Batch Automatic Transformation of 3D Models

This blog post summarizes the interior scene dataset built when I was a research intern at VCLA@UCLA together with code for batch transformation of 3D models. 1 Introduction Computer Vision h...

Posted by Chi Zhang on September 29, 2016

Towards Real-Time Automatic Number Plate Detection: Dots in the Search Space

Tech-report on ANPR

A PDF version of this tech report could be found here. Abstract: Automatic Number Plate Detection[1], or ANPR, has long been a traditional problem and is already widely applicable in police for...

Posted by Chi Zhang on September 28, 2016

Personal View on Facebook's fastText

Thoughts on the heated fastText

The fastText paper from Facebook AI Research (or FAIR) has been out for a while and all of a sudden a lot of people over the Internet surprise at how the FAIR team came up with such a fast and a...

Posted by Chi Zhang on August 20, 2016

A Bite of Computational Art

Convolutional and Neural Art

This blog post depicts my personal experience in playing with the computational art, or to be more precise, algorithms that populate pictures with elements of aesthetics. It really is great fun ...

Posted by Chi Zhang on August 10, 2016

Demystify DeepWalk and Crack Its Code

Brief Overview of DeepWalk

Introduction The algorithm of DeepWalk[1] was first intruduced by Bryan Perozzi, Rami Al-Rfou and Steven Skiena from Stony Brook University. In a word, DeepWalk tries to learn good latent represe...

Posted by Chi Zhang on May 9, 2016

The Monty Hall Problem: A Bayesian Approach

How I Attacked a Probabilistic Puzzle

How I Came Across Monty Hall It is actually pretty straightforward: a similar problem showed up in Problem Set 1 of the course Introduction to Data Mining. It all came as follows: There are th...

Posted by Chi Zhang on May 6, 2016

Pretend to Be 「Aussie」 - Part Four

张老师的土澳游记

上接 Part Three 仍然多图 5.1 悉尼城市掠影搭乘最早的一程航班，就飞向了澳大利亚之行的最后一站——悉尼。对悉尼的第一印象就是那被大洋分成两侧的城市。从空中俯瞰悉市，确实比墨村和黄金村多了许多灵性。远处蛋壳状的悉尼歌剧院与横跨大洋两侧的海港大桥相得益彰，弧形的邦迪海滩虽然远逊色于黄金村绵长的海岸线，但点点白帆装饰的 Circular Quay 确实要迷人不少。 ...

Posted by Chi Zhang on April 25, 2016