Structure from Motion with Historic Aerial Photography

We commonly associate structure from motion photogrammetry with making maps from drone imagery. But the techniques can be applied to just about any photographs that have enough overlap. In this video, we'll work through how to use Metashape to create an orthomosaic of some historic aerial photographs of Idaho from 1934 and look a bit at how the landscape has changed over almost 90 years!

By: Jason Karl
Title: Structure from Motion with Historic Aerial Photography
Sourced From: www.youtube.com/watch?v=44IoopbJkmE

Look at the 3 highest-rated drones on Amazon in 2022

Frequently Asked Questions

Is it legal to fly a drone nightly?

Drones have become more and more popular. Drones not only provide incredible aerial shots of homes and businesses but also allow for the delivery of goods and surveillance of large areas. There are currently very few regulations that govern drone usage. Some states have banned drones entirely, while others have placed restrictions on where they can be used.

While flying drones during daylight hours are relatively safe, there are still risks involved when operating them at night. Your safety and that of other pilots may be endangered if you fly your drone at night. This is because drones are difficult to see obstacles and hazards. Pilot errors could result in an accident.

Drones become more popular. This means that it is essential to learn how drones can be safely operated. There are currently two main types of drones: fixed-wing and rotary-wing. Fixed-wing drones can be controlled more easily than rotary wing models. A fixed-wing model typically has four propellers whereas a model with a rotary wing has only one.

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. Make sure that your drone comes with lights. This makes it easier for you to see potential dangers. If you plan to take photographs, you should protect your camera lens against damage. It is also a good idea to use protective goggles when flying your drone.

Drone flying at night presents a variety of dangers including collisions with power lines and trees as well as buildings. Drones can also get lost or fall out the sky. Therefore, you must keep your drone away from obstructions and stay close to the ground. Drones can also be affected by wind gusts or sudden weather changes. These factors can interrupt your drone's flight, causing it to crash on the ground.

Although drones are becoming increasingly popular, they come with potential health risks. For example, the noise emitted by these devices can affect hearing and cause headaches. Drone vibrations can cause serious damage to the human body. You could also face legal action and fines for flying drones without an operator licence.

These guidelines will help you avoid any drone accident. Keep your drone within your sight line when flying. If you are flying near airports, make sure that you obey any restrictions imposed by airport authorities. Flying your drone over water increases the risk of a collision.

What are the drawbacks to drone photography?

Drone photography allows you to capture stunning images and video. You should be aware of the potential downsides of flying a small aircraft.

Drone flying is expensive. It could cost you hundreds, or even thousands of dollars depending on the drone that you buy.

You will need to be certified and trained to fly a drone.

Safety is another problem. Drones can be dangerous as they need to be repaired and maintained constantly. It is possible to injure or cause property damage by losing control of your drone while you are taking photos.

You may find yourself spending more time flying your drone than you do actually taking photographs or recording footage. You may also have restricted airspace in which you can fly your drone.

Some local governments restrict where you can fly your unmanned aerial vehicle. For example, you cannot fly above 400 feet or within five miles of airports, stadiums, hospitals, prisons, schools, nuclear power plants, dams, or any military bases.

Drones are not for everyone. People feel nervous about flying drones because they fear that they will crash into the ground or fall from the sky. Others worry that they might accidentally hit another person or object.

If flying a drone is not something you are comfortable with, you might want to stick to traditional aerial photography techniques and videography.

Is it worth buying a drone for photography?

A great product is the most important thing if you want to start your own business. A killer product is essential if you are going to market yourself.

Photographers are not selling themselves. Instead of selling their products, they are trying to persuade others to buy them.

You won't be allowed to wait for anyone else when you start your own business. You will have to find customers now.

It is necessary to tell a compelling tale that explains why people should choose your products.

The strategy you use to market these products will also be important. You might still fail if you don't price your products correctly, even after all this.

You might decide to charge too little. Or you may decide to charge too little. Either way, you're probably making a mistake if you don't know what you're charging.

To avoid these errors, think like a businessman to avoid them. That doesn't mean you have to become a capitalist. This means you have to learn how to value time, money, effort.

You must also develop strategies to measure the success of your company.

Once you are comfortable with pricing, it is possible to focus on building the most effective product. A product that's both profitable and creative.

A product that solves your problems and gives you real benefits.

One that is distinct from the rest.

After you've developed the product, you can launch it. Then you can start building your brand.

It doesn't matter if you are a professional photographer or amateur, a drone is able to take amazing photos. Because it will help you get started as a photographer. It will also help you improve your photography skills. And it will help you grow your business.

How do you get started with drone photography

There are several ways to start photographing using a drone. First, you can buy a pre-made drone kit. You'll get everything you need. They vary from $200 up to $500, depending on which model.

Other options include building your drone. Although this is not an easy task, it is possible to still create a drone capable of taking decent photos and videos.

If you are interested in building your drone, we recommend you begin with a quadcopter. As found on conventional helicopters, a quadcopter has four rotors (or propellers) instead of two.

A quadcopter can be assembled and maintained in a much shorter time than a helicopter. It's also cheaper to purchase and easier to carry around.

First, select the right components. You will need props, motors, batteries controllers and controllers. It is important to choose the correct size and weight.

Next, decide which controller you would like to use. There are many types of controllers available. A built-in camera is an option, as you don’t need to attach a separate device. We recommend buying one.

Once you've picked the right parts you can start assembling your drone. To make things easy, we recommend buying a preassembled kit. If you would prefer to build your drone yourself, there are a few things you need to do.

Step 1: Attach your battery pack

You'll need to connect the battery pack to the motor to start building your quadcopter. To start, remove the cover from the battery pack. Next, slide your battery into place.

Step2: Connect your motors

Next, install the motors into the correct slots. Each motor should be installed in its own slot. Install the motors facing forward, perpendicular and in the designated slot.

Step 3: Install the propeller

Finally, you'll need to attach the propellers to the frame. You should position them at equal distances.

Once you have completed all of these steps, your drone is now ready for testing! If there is no movement when the engine turns on, check that the propellers point forward. Make sure there aren't any obstructions between the propellers.

Which drone can you use for aerial photography?

You have two choices if your goal is to fly. You have two options: either buy a high-end camera package with a stabilizer, or rent a small remote controlled helicopter.

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

What happens if you want the shot to look perfect even though the camera isn't in your hands? Drones are the answer.

A drone is tiny, autonomous aircraft that can fly without the input of an operator and take photos or videos.

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

Drones are incredibly useful for aerial photography and videography. These drones can also be great for marketing as they enable you to create breathtaking visuals that would otherwise need a lot less manpower and equipment.

To capture incredible imagery, you can place them easily in strategic locations. They can also be flown remotely making them very easy to use.

A few companies have hired drones for weddings. These wedding photographers can take amazing photos of the bride and groom while their drones fly above the ceremony location.

They can also fly them directly to the guests to capture family portraits. They can also fly them over reception areas, capturing beautiful views of your venue.

These activities are perfect to make promotional material or event coverage. You can also use drones to create short films. A drone could be used by you to show clients your company is better than theirs.

Drones are becoming more popular for videography and aerial photography. If you are looking to be a professional photographer, then a Drone might be the right choice.

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)
• Homes with aerial images sold 68% faster than homes with standard images. (alexdronephotography.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)
• Among the biggest improvements, the Skydio 2+ has over the standard 2 is a 20% longer battery life, longer range if you add the Beacon, and a neat AI video creation tool called Keyframe. (thedronegirl.com)
• Though the Mavic 3 is about 50% heavier than the Mavic Air 2, it's still conveniently sized. (nytimes.com)

External Links

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• Is aerial drone photography right for my commercial building?


• 4 Ways Drone photography can make new home buyers more comfortable

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• Geo Zone Map- Fly Safe DJI


• DJI FPV Redefine Flying – DJI

How To

What is the best distance for a drone to fly?

The best distance for a drone to travel is when it becomes an extension or part of you. It is possible to lose sight physical boundaries of the drone if you begin to view it as a separate entity.

For drones, a good distance allows you to fully immerse your self in the environment without having to worry about where the drone is going next.

The psychological benefit of flying close to ground is also evident. This gives us more control over our environment, which makes us feel closer to nature.

But there is a downside too. 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?

The answer depends on the type of drone you are flying. A good rule of thumb when filming aerial footage or landscapes is to keep your drone at least 500 feet above ground.

For example, if you are filming a cityscape, you might want to keep it at 1,000 feet. This allows you to avoid blocking your view by trees and other buildings.

Low-light conditions can make drones less agile. You can decrease the time spent hovering if you fly in darkness by lowering your altitude.

Also, ensure the area you are flying in is clear of any obstacles such as power lines, traffic signs, or tall buildings.

Also, you might consider flying during daylight instead of at nights. 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 period between 3 pm 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 for producing low-quality footage.

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