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Biometrics on Smartphones: Changing our Lives In Many Ways



The planet is more connected than previously, and every smartphone user wants to be sure about personal information security in the digital age. For decades, the password was the sole secured means of authorization. Still, occasions have changed, and passwords are now easier to crack and tougher to consider while increasing complexity. Alternatively, we’ve seen a steep rise in biometrics utilization to replace passwords since the technology has been demonstrated to be much more convenient and less time-consuming than passwords. Cellphones and biometrics are a profitable combination in the mass market, allowing the technology to become a lot more widely accepted.

Several smartphone manufacturers have previously started to embed biometric sensors on their devices with fingerprints, facial recognition, and voice biometrics typically the most used modalities of choice. After a time, a fingerprint reader was used only by governments, the military, and the police force, but previously 5 – 10 years, biometric identification has exploded and rapidly spread to the commercial sector, permeating just about any corner of our lives as a safer method of demonstrating specific identification.

The use of biometrics is changing our lives in numerous ways. Here are some examples:


Already, a larger number of people are getting used to using smartphones for daily activities, often storing highly sensitive information. However, most folks are reasonably concerned with the security protection of using passwords. A multi-factor security system using etimad biometric offers smartphone users higher security and convenience.

It is almost a certainty that biometric identification will end up a regular feature in every new phone over the following several years. Specifically, three biometric modalities are likely to be key players:

  • Fingerprint scanners built to the screen
  • Facial recognition powered by high-definition cameras
  • Voice recognition-based on a large assortment of vocal samples


Biometric payments certainly are a Point of Sale (POS) technology that uses a biometric authentication system to spot an individual by their traits such as a fingerprint, iris or palm vein pattern, or facial recognition.

The rising usage of biometric identification for financial service transactions has recently begun to spread rapidly worldwide. In fact, along with banks and other financial institutions, companies like Apple and PayPal already showed their interest in implementing biometric-based payment solutions.

Biometric payments involve some remarkable benefits, too – you never need to transport cash, checks, or bank cards. They feature stronger security, transactions can be processed faster, and banks don’t charge any extra fees.

Data access

Our PCs are full of personal information, and generally, we create passwords to protect them. More specifically, we use passwords to get access to our computers, laptop, and mobile devices. The interesting fact is most of those three gadgets have a camera that may be used to verify individual identities through biometric technologies such as, for example, facial recognition. We’ve already seen some gadgets that have fingerprint biometrics. 

However, because of problems like poor skin integrity that inhibit the effective usage of this modality, it’s more likely that we will see a rise in the utilization of alternative biometric 

modalities such as, for example, facial and voice recognition for individual identification.


Smartphones are now treated as an all-in-one device, suitable for every purpose, and it’s small wonder that they can become the next big market for biometric identification. The mix of biometrics and smartphones is bound to fundamentally change access control, financial transaction authentication, personal information security, and many other regions of our lives.

A very Passionate and Professional blogger. Writing for and The Odyssey Online .I love to research about technology and share my reviews with community. My goal is to provide articles about technology that definitely blow the minds and keep you update of latest trends and future technologies.

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Multi-modal Machine Learning



The world around us consists of numerous modalities; we see things, hear noises, feel textures, and smell scents, among others. Modality generally refers to how something occurs or is perceived. Most people relate the term modality with our Fundamental Routes Of Communication and feeling, such as vision and touch. Therefore, a study topic or dataset is considered multi-modal if it contains various modalities.

In the quest for AI to advance in its ability to comprehend the environment, it must be capable of understanding and reasoning about multi-modal signals. Multi-modal machine learning aims to construct models that can interpret and connect input from various modalities.

The growing subject of multi-modal learning algorithms has made significant strides in recent years. We encourage you to read the accessible survey article under the Ontology post to get a general understanding of the research on this subject.

The main problems are representation, where the goal is to learn computer-readable descriptions of heterogeneous data from multiple modalities; translation, which is the method of altering data from one mode to another; alignment, where we want to find relationships between objects from 2 different modalities; fusion, which is the process of combining data from two or more methods to do a prediction task.

Multi-Comp Labs

Multi-Comp Lab’s study of multi-modal learning algorithms began over a decade earlier with the development of new statistical graphical models to represent the latent dynamics of multi-modal data.

Their research has grown to include most of the fundamental difficulties of multi-modal machine learning, encompassing representation, translation, alignment, and fusion. A collection of concealed conditionally random field models for handling temporal synchronization and asynchrony across multiple perspectives has been suggested to them.

Deep neural network topologies are at the core of these new study initiatives. They built new deep convolutional neural representations for multi-modal data. They also examine translation research topics such as video tagging and referencing phrases.

Multi-modal machine computing is an educational topic that has several applications in auto-nomos vehicles, robotics, and healthcare.

Given the data’s variety, the multi-modal Machine Learning study area presents some particular problems for computational researchers. Learning from multi-modal sources allows one to identify correspondences across modalities and develop a thorough grasp of natural events.

This study identifies and discusses the five primary technological obstacles and associated sub-challenges that surround multi-modal machine learning. They are essential to the multi-modal context and must be addressed to advance the discipline. Our taxonomy includes five problems in addition to the conventional relatively early fusion split:

1. Illustration

Building such representations is difficult due to the variety of multi-modal data. Language, for instance, is often symbolic, while signals are used to express auditory and visual modalities. Learning to describe and summarize multi-modal data in a manner that uses the redundancy of many modalities is the first essential problem.

2. Translation

In addition to the data being diverse, the link between the modalities is often ambiguous or subjective. For instance, there are several accurate ways to describe a picture, yet a perfect interpretation may not exist.

3. Alignment

Thirdly, it isn’t easy to establish causal links between sub-elements that exist in two or more distinct modalities. For instance, we would wish to match a recipe’s instructions to a video of the prepared meal.

We must assess the degree of resemblance across various modalities to meet this issue and address any potential ambiguities and long-range dependencies.

4. Fusion

For instance, in digital sound speech recognition, the voice signal and the visual description of lip movements are combined to anticipate spoken words. The predictive capacity and noise structure of the information derived from several modalities may vary, and there may be missing data in some of the senses.

5. Co-learning

The fifth problem is transferring information across modalities, their representations, and their prediction models. Algorithms like conceptual grounding, zero-shot learning, and co-training are examples of this.

Co-learning investigates how information gained from one modality might benefit a computer model developed using a different modality. This difficulty increases when just some modalities are available such as annotated data.


Applications for multi-modal machine learning span from captioning of images to audio-visual speech recognition. Taxonomic classes and sub-classes for each of these five problems to assist organize current research in this burgeoning area of multi-modal machine learning are established. In this part, we provide a short history of multi-modal applications, starting with audio-visual speech recognition and ending with the current resurgence of interest.

The goal of the burgeoning multidisciplinary discipline of multi-modal machine learning is to create models that can integrate and link data from several modalities. Multi-modal researchers must overcome five technological obstacles: representation, translation, alignment, fusion, and co-learning.

Taxonomy sub-classification is provided for each issue to help people grasp the breadth of the most recent multi-modal study. The work done on machine learning in different researches and current developments in multi-modal machine learning placed them in a common taxonomy based on these five technical challenges. Although the previous ten years of multi-modal research were the primary emphasis of this survey article, it is crucial to understand earlier successes to solve present concerns.

The suggested taxonomy provides researchers with a framework to comprehend ongoing research and identify unsolved problems for future study.

If we want to construct computers that can sense, model, and produce multi-modal signals, we must include all of these facets of multi-modal research. Co-learning, when information from one modality aids in modeling in another modality, is one aspect of multi-modal machine learning that seems to be understudied.

The notion of coordinated representations, in which each modality maintains its representation while finding a mechanism to communicate and coordinate information, is connected to this problem. These areas of study appeal to us as potential paths for further investigation.


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