SNBR Says,

For much of the machine learning tasks a defacto evaluation criteria that comes to mind is “accuracy”. However, even for discrete predictions or binary classifications there might be other considerations that gives rise to other evaluation criteria which are more important than basic accuracy. In this article, I will provide a brief introduction to commonly used evaluation methods for…

Gait Biometric when I walk/run/climb stairs?

Each person has a unique way of walking, the speed they walk, how they swing their arms, and how the body sways from side to side while walking is unique to each person. You might have experienced this, when you could identify your friend from far away without seeing their face but recognizing the way they walk. Gait biometric uses this idea by utilizing the walking pattern of a person to…

NUS SoC PhD Defense – final steps to graduate

Finally, I can wrap up the PhD admin article series with the last installment on the PhD Defense and final submission details. It was a long 5 years of hard work, all coming together in one thesis document and an oral presentation.To get the final exam process started we first have to finalize the thesis to the satisfaction of our supervisor. When you get the okay to go ahead with the submission…

HotKeys for pen input in PowerPoint

I find using pen input while presenting to be a good way to keep the attention of the listener. However some times pen input starts to look like a mess, specially when you teach technical things, like math and programming concepts. If the presenter is used to erase input as needed and change pen colors, this will make the written input clear and easy to follow. However, doing this is quite…

Can a Face Mask Protect my Privacy?

In the era of COVID-19, face masks have become ubiquitous. Face masks provide a high level of protection against the spread of COVID-19, however, does masks provide other protections as well? How about protection against privacy invasions using facial images? Since a face mask covers most of the face we feel protected while wearing them. Specially if we think about concealing private information…

Is Face-Recognition dead in a Masked Corvid world?

Face-Recognition systems were becoming increasingly popular due to their ease of use and less intrusive nature of capturing. The systems were so ubiquitous that most popular mobile phones and laptop computers would use face recognition as the default authentication method in early 2019s. FaceID (iPhone) and Windows Hello were terms familiar with most users. Going beyond day to day use-cases, face…

Thesis Proposal Examination for the PhD at SoC, NUS

I haven’t been writing any articles on my site for a long time, last one was in 2018! But, since my other NUS, SoC PhD admin matters related articles still get views, I thought I will finish that series by writing about the two remaining milestones as I go through them. First, Thesis Proposal. Which I finished about a month back. And finally the Thesis Defense, if and when I get through that as…

QE: the dreaded Qualifying Exam for PhD students at NUS, SoC

Every PhD student admitted to NUS has to go through Qualifying Exams (QEs). The structure of these will vary across different faculties. For an example School of Engineering PhD students face two QEs, a written test and an oral test. This article will focus on the process for School of Computing PhD students. We only have one QE, the oral.

Every PhD student has to pass the QE before 24 months of…

How many of us actually use a lock screen on our mobile device?

Yes, with the increased dependence on mobile devices we have our bank accounts, work emails, e-commerce and social media all linked up to our mobile device. As soon as anyone unlocks the mobile phone, who ever uses the phone will have access to all this.

Despite this huge vulnerability, there are at least few of us who find…

The current standard of authenticating a person to a computer or a mobile device is the session based authentication. In other words “entry point” authentication or static authentication. Where the user is required to carryout some form of authentication at the beginning of the session.

The authentication provided can be seen in three forms,

Some thing you know – Password/Pin

Some thing you have…

The diagram shows the subjects leading up to the final year subjects at CSE.  The gray bubbles show the final year subjects.