Best Practices for Video Data Collection to Train AI/ML Models

Best Practices for Video Data Collection to Train AI/ML Models

Any machine learning model is built on data. Training the machine with a tonne of high-quality data is crucial for its success. Any data scientist will concur that collecting too much data is preferable to doing so, especially for computer vision applications that depend on acquiring visual data in the form of pictures and videos. Because of this, gathering data is an essential phase in a machine-learning model’s life cycle.

To teach computers to actually “see” and complete their duties, machine learning relies heavily on the acquisition of video data. For artificial intelligence (AI) and machine learning models to get smarter, more precise, and more adept at identifying all the aforementioned content, enormous amounts of varied data types, including photos, video, and speech data collection for AI/Ml models, are gathered and annotated.

What does video data collection exactly mean?

The process of collecting video data is known as video data collection for AI/ML. Data can be manually collected using mobile devices like phones and cameras and manually uploaded through a data gathering platform. For more streamlined and effective processing, video data collection for AI/ML can be automated or expedited using in-production devices or gleaned from existing data sources.

The foundation for many types of actions, like facial recognition, object tracking, and scene identification, is built on video data collecting, and the more data you collect, the better and more accurate it will be. To help a machine learning model reduce the danger of bias, the datasets needed for video annotation projects should include a variety of representations, such as demographics, lighting conditions, and background noise, among others.

GTS Video data collection practice to train AI/ML

The world of artificial intelligence and machine learning (AI and ML) models, those amazing engines of computational magic, depends on the careful gathering of video data in addition to algorithmic wonders. We set out on a quest for manual video data-gathering techniques in this world, where confusion and burstiness coexist, to reveal the creativity involved in teaching these technological wonders.

  • Manually annotated videos

Each frame is carefully annotated by humans to identify objects, events, and settings. To provide rich data for model training, annotators meticulously assign descriptive tags.

  • Dividing up a video

Expert human division of video footage into meaningful sections, defining different events or actions. Data segmentation facilitates data organization, enabling models to understand temporal linkages and context.

  •  Removing keyframes

The essence of each scene is captured through the careful selection of exemplary frames by human curators. Keyframes are essential points of reference for models to comprehend the narrative and visual material.

  • Recording transcription

Accurate transcription of the video’s spoken words done by humans. To support multimodal learning, transcriptions offer text data collection for AI/ML models information that is consistent with audiovisual content.

  •  Analyzing the video’s quality

Human reviewers give careful consideration to aspects of video quality such as clarity, lighting, and resolution. The inclusion of high-quality data annotation for AI/ML models is ensured via assessment, improving model performance, and generalization.

  •  Adding to a video

Human specialists manipulate data deftly to add variants and expand the dataset. Transformations, overlays, and alterations are examples of augmentation procedures that broaden the diversity of data.

These techniques emphasize how important human expertise is in the training of AI and ML models. By using human methods, we make sure that the models are given high-quality, well-structured data that support their ability to learn. As AI/ML models develop, the merging of human-directed procedures and cutting-edge algorithms opens up new aspects and paves the way for more sophisticated and perceptive machine intelligence.

Why does gathering video data for machine learning matter?

The market for data gathering was estimated to be worth $1.66 billion in 2011 according to the studies, the demand for huge quantities of high-quality data has increased in tandem with this rise in OCR data collection for AI/ML use. The demand for video data gathering and video annotation is actively driven by the rise in users of autonomous vehicles, augmented and virtual reality, drones, cameras, and other devices.

  • For the autonomous vehicles

The purpose of gathering video data for autonomous vehicles is to train AI models by recording countless hours of video, which will subsequently be utilized to create an algorithm that can do face recognition data collection and recognize objects in real-time. Both human expertise and artificial intelligence are used in the process.

For instance, if you want your self-driving car to recognize pedestrians on its own, you’ll need data from various angles so the model can tell which items are humans and which ones aren’t. Using this information, experts can program the machine to distinguish between people and common items, comprehend traffic laws, steer clear of probable mishaps, and arrive at its destination safely.

  • Virtual reality(VR) and Augmented reality(AR)

Even though AR and VR are well-liked, particularly in the gaming and entertainment sectors, their full potential hasn’t yet been realized. To train new staff and develop immersive marketing experiences, firms are already experimenting with VR.

Contrarily, people currently utilize augmented reality (AR) apps on their phones, and new ones are added to the market every single day. The quantity of video data that has to be collected will rise dramatically over time as more people purchase these devices and as more apps incorporate the use of AR and VR.

  • Technology in stores

Offering complete automation solutions for shop operations requires retail technology more than ever. Our client’s customers can build better, more effective stores, reduce their costs, and boost their profitability because of the actionable data that these solutions generate.

Risk analysis and theft tracking are two more prominent uses of video data in the retail industry. To reduce the possibility of goods being stolen by criminals or suspicious baggage being left unattended, retail ML models can be created.

What difficulties do you encounter when gathering video data?

  1. Collection expenses

It can be expensive to gather video data, especially if the collection is intended to be sizable. Although it is increasingly simple to record films on cellphones, the recordings may only have a low resolution. Data collectors must therefore purchase pricey cameras to record high-quality audio.

Additionally, large-scale video capturing necessitates additional labor, which might be costly for various datasets, but at GTS you will get all the things done at a very reasonable price and with full satisfaction.

  1. Consuming a lot of time

Since videos require more time to record than image datasets for machine learning do, gathering video data can take longer than usual.  For example, if a CV-enabled security monitoring system demands that data be collected at a specified time of the day (dawn, for example), then such data will require substantially more time to acquire than data collected during the day.

This is so that the data collector can record the movies within a specific time interval. However, shooting images takes a lot less time than filming videos, so this problem might also apply to the collecting of image data.

  1. Data collecting that is impartial and diverse

According to a study, computer vision systems are remarkably effective at identifying pedestrians with pale skin tones. If the system doesn’t recognize persons with varied skin tones, this kind of prejudice in driverless vehicles might be disastrous. Since the system was never trained using video data of horse carriages, for instance, Tesla’s technology was unable to recognize horse carriages on the road.

The Bottom line

To achieve a model’s objectives, it is crucial to train a machine learning model effectively. The ability and effectiveness of a model to comprehend the input environment and arrive at the best judgments depend on the quality of the dataset. To achieve predictable growth in model performance, model training should be carried out in a planned manner.

Monitoring model accuracy and fine-tuning the training approach are ongoing processes to keep model performance in line with real-world conditions after the model has reached the anticipated accuracy levels.  Efficiency can be considerably improved by including these optimization techniques in the data collection operation. The time and effort needed for data collecting are decreased by automating manual processes and using clever algorithms.

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