How to detect change in satellite, drone, & aerial imagery

GeoAI Bytes are regular live sessions sharing industry observations, tech tutorials, ML models based on current events, and more!

For the first session, join Picterra COO Frank de Morsier as he shares concepts of change detection, real-life use cases, and how to detect change in your satellite, drone, or aerial imagery.

By: Picterra
Title: How to detect change in satellite, drone, & aerial imagery
Sourced From: www.youtube.com/watch?v=WX-8uhd3FSo

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Frequently Asked Questions

What drone can be used to take aerial photos?

Two options are available if you plan to do aerial photography. You can either rent or buy a large camera package that includes a stabilizer and gimbal, or you could purchase a more expensive camera package.

This option is great for filming a video or film as it allows you to control the look of your shots. The second option is more expensive and more dependent on the pilot.

But what if you want to make sure the shot looks great even though you're not controlling the camera? This is where drones come into play.

A drone can be described as a tiny, unmanned aircraft that can fly independently and take photos and videos without being directed by its operator.

They are extremely versatile and can fly very close to buildings to capture images and record footage. They are also capable of flying low above crowds in order to take photos of people.

Drones are extremely useful for aerial photography as well as videography. But they're also great for marketing because they allow you to create incredible visuals that would otherwise require a lot of manpower and equipment.

To capture incredible imagery, you can place them easily in strategic locations. You can fly them remotely, which makes it easy to operate.

Companies may hire drones for their weddings. These drone-flying wedding photographers can capture stunning photographs of the bride or groom from above the ceremony area.

They can also fly the cameras to relatives to capture portraits. Or they can fly them over reception areas to capture beautiful views of the venue.

These types of activities are ideal for creating promotional material or event coverage. You can also make short films with drones. You could use one to show clients why your company is better than yours.

For all these reasons, drones are becoming increasingly popular for aerial photography and videography. A drone may be the perfect tool for professional photographers.

Is it okay to fly a drone at night.

Drones are becoming more popular every day. Drones not only provide incredible aerial shots of homes and businesses but also allow for the delivery of goods and surveillance of large areas. However, there are still very few regulations surrounding the use of drones. Some states in America have banned drones completely, while others have put restrictions on their operation.

While flying drones during daylight hours are relatively safe, there are still risks involved when operating them at night. Drone pilots and others could be at risk if they are flying at night. This is because drones are difficult to see obstacles and hazards. Pilot errors could result in an accident.

Drones are becoming more and more popular. It is therefore important that we learn how they can be safely operated. There are two main types: fixed-wing, and rotary wing. Fixed-wing drones are typically smaller and easier to pilot than rotary-wing ones. Fixed-wing models usually have four propellers while rotary-wing models only have one rotor.

To avoid any accidents, it is recommended that you familiarise yourself with local laws regarding drone usage and make sure that you keep your drone within your line of sight at all times. Another important safety tip is to ensure that your drone is fitted with lights, particularly ones that flash red and green. This will make it easier to identify potential dangers. You should protect your camera lens from any damage when you plan on taking photographs. When flying your drone, you should wear protective goggles.

Night flying drones poses many dangers. These include collisions with power lines or trees and even buildings. Drones may also lose or fall from the sky. You must ensure your drone is not in danger of being tripped up or falling from the sky. Drones can be exposed to wind gusts and abrupt weather changes. These conditions can cause your drone to lose control and crash land.

Drones are becoming increasingly popular. But they pose potential health risk. These devices emit noise that can cause headaches and damage to the ears. Drone vibrations can cause serious damage to the human body. Finally, flying drones without an operator license puts you at risk of fines and legal action.

Follow these guidelines to avoid drone accidents. It is important to keep your drone in your direct view when you fly it. If you are flying near airports, make sure that you obey any restrictions imposed by airport authorities. Avoid flying your drone on water because it can increase the chance of a crash.

Which drones can carry DSLRs?

Drones can be used for everyday tasks. There are already drones outfitted with cameras that can do aerial photography.

Drones have been around since the beginning of time, but they are not practical for most people. Drones are difficult to control, noisy and expensive.

We created the Drone-A1. It's the world's first fully autonomous quadcopter designed specifically for photographers.

The Drone-A1 comes with an HD camera that can take stunning photos and videos. Its powerful onboard computer allows the Drone-A1 to track any subject automatically.

This allows you to focus solely on the capture of great images, while Drone-A1 does all the flying, hovering and following your subject.

Smart Follow, our exclusive feature that makes it simple to capture stunning shots with the Drone-A1, will amaze you. Point the Drone-A1 towards your subject, and it will automatically track him or her and keep the distance between the two of you constantly.

You will have more freedom and greater convenience shooting with the Drone-A1. No longer will you need to worry about having a steady hand or knowing exactly where your subject is going.

The Drone- A1 has a GPS integrated that allows you and your family to share your pictures. You can share your pictures with anyone around the globe.

The Drone-A 1 is ideal for professionals and hobbyists who love to take pictures.

Which time of the day is best to take drone photos?

If there isn’t any activity on the ground, a drone could capture aerial shots during sunrise or sunset.

Drones are great for taking beautiful photos of landscapes as well as the sky. But sometimes drones aren't allowed to fly at night, so you miss out on spectacular views.

If you want to make sure that you capture all the photo opportunities, fly during sunset and sunrise hours. You have more chances to capture breathtaking shots of nature during these times because there are fewer cars driving and fewer people around.

You'll find that you can shoot at lower levels of light, which makes it easier for you to take pictures without worrying about overexposing.

Furthermore, you don't have to worry about strong winds or rain, snow, fog, or freezing temperatures. All these factors make daylight ideal for taking photos with a drone.

However, if you want to capture some nighttime scenes, consider flying during moonlit nights. This will give a unique view of the cityscape.

Are drone photos a good way to make money?

If you want to make money flying drones, the problem is that there isn't a product that will solve your problems. It's not easy to enjoy the experience if you don't have quality equipment or software.

Photographers also need to consider liability and insurance. Many photographers will choose to shoot from the ground. This is a completely new way to capture images, and you might get paid for it.

Drones work in the same way that video cameras do by capturing light. Why not create stunning photos using the same technology?

Companies are already making significant progress in the creation of high-quality aerial photos. We've already talked about DJI and GoPro. We are starting to see more companies entering the space.

Even though these cameras are designed for aerial photography, they are pretty good on the ground. All of the major manufacturers are investing heavily in developing their imaging technologies.

You'll soon be able buy a drone capable of taking incredible photos and 4K video. This could be already happening. DJI is one of the companies that has started to release higher-resolution Phantom series drones.

DJI's Inspire 2 recently came out with a 12-megapixel sensor, capable of shooting at 5120x3456 Pixels. If you prefer to shoot in RAW format you can capture 8-bit files at 30 frames a second.

You can certainly make money from drone photos.

Statistics

• Greater than 50% throttle stick position generates positive thrust, but less than 50% throttle stick position reverses the direction of the motors, allowing upside-down flying! (photographypro.com)
• Again, no stabilization is applied, and the 50% throttle stick position cuts the power to the motors. (photographypro.com)
• Though the Mavic 3 is about 50% heavier than the Mavic Air 2, it's still conveniently sized. (nytimes.com)
• Here's proof: according to an analysis of FAA drone registration numbers by drone market research and data group Drone Industry Insights, DJI had a 76.8% market share in the U.S. (thedronegirl.com)
• Homes with aerial images sold 68% faster than homes with standard images. (alexdronephotography.com)

External Links

[TAG6]

• Federal Aviation Administration

[TAG8]

• YouTube - Mr. CAMPS / Drone Camps RC - YouTube

How To

What is a good distance for a drone?

When a drone becomes part of you, it is considered a good distance. You lose sight of the drone's physical boundaries when you view it as an independent entity.

You can immerse yourself in your surroundings without worrying about the drone's next move.

There is also a psychological benefit to flying close to the ground. It allows us to have more control over our surroundings and helps us feel closer with nature.

There is however a downside. Flying near the ground means we are exposed to wind and weather conditions that could damage the drone. How far are you able to fly?

It all depends on what type of drone you're flying. If you are trying to film a landscape or capture aerial footage, a good rule of thumb is to stay at least 500 feet above the ground.

You might limit the height of a cityscape to 1,000 feet. This way, you can avoid buildings and trees that would otherwise block your view.

Drones are more sensitive to low-light conditions. To reduce hovering time when flying in the darkness, lower the altitude.

Also, ensure your area is clear from any obstructions, such as power lines or traffic signs.

You may also want to consider flying during the day instead of at night. This prevents reflections from streetlights and shadows.

The drone's size is another important consideration. The closer the drone is to the ground, the greater its size. A large quadcopter for example requires a height of at least 300 feet.

If you want some great drone footage, you should always look out for the golden hour.

This is the time between 3 and 6 PM. Direct overhead sunlight gives you maximum visibility during this time.

It is also known as "magic hour", and it's perfect for taking beautiful photos.

You should not fly your drone between sunset and sunrise. These times are known to cause poor-quality footage.

You now have all the information you need to make amazing drone videos.