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slit-scan

This Raspberry Pi project stitches together images of passing trains

May 12, 2023 by John Aldred 3 Comments
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This is quite a fascinating concept. Based around a Raspberry Pi, it takes photographs – lots of photographs – of trains passing through a station and then stitches them together to create a single long composite of the entire locomotive. It works on a similar principle to slit-scan photography, which is often used for capturing fast-moving subjects passing a fixed point – like horses finishing a race.

Slit-scan photography in the digital age typically shoots a stream of 1-pixel wide vertical slices. This is required if you’re trying to the capture speed between multiple moving objects, such as in a horse race. But in this project by “jo-m“, the “slits” are a little wider, which means fewer images are required in order to composite the final result together. But for applications such as this, it’s all that’s needed.

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Emulate Slit Scan Photography for Beautifully Weird Images

Oct 31, 2017 by Ted Kinsman 6 Comments
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The use of slit scan photography is actually quite old. It is often called line-scan, photo finish, or streak photography. Slit scan photography has a rich and colorful history rooted in chemical analog photography. This technique is often used to visualize high-speed events, such as missiles and bullets, although it is probably best known as photo finish photography that is used to determine the outcome of races.

In the past, slit scan photographic systems used a sheet of film that was moved past a slit. These cameras were most commonly used as photo finish cameras at races and, for example, could very precisely measure the time one horse might have won the race by. There were a number of designs of these types of systems. One of the most interesting slit scan cameras had the camera and film moving at the same time to create a panoramic picture. The last camera on the market to use this technique was the Spinner Dolphin 360 made by Lomography.

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This DIY slit-scan medium format camera shoots long photos

Oct 4, 2016 by Udi Tirosh 5 Comments
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Slit scan cameras are quite a unique breed. Rather then exposing a complete frame with every shutter click, they expose a small slit and advance the film while exposing.

You know whats cool about that, you can create very long photos, as long as your subject is moving in a predictable speed. (which will correlate the speed in which you advance the film)

Take this DIY slit-scan medium format camera from Hugo Cardoso. It was built on the remains of an old hand-drill, some plywood and some scraps.

The drill’s motor is used to advance the film, and a box keeps the light away. Quite a simple build. The results, however, are quite unique.

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Building A Large Format Digital Camera

Jul 8, 2014 by Udi Tirosh 1 Comment
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it is not often that a person builds their own camera, and even less common for them to build a large format camera, but Jimmy.c. Alzen just built one of those. The total cost of the build was less than $150 + several years of education and tinkering know-how.

The camera was submitted to Hack a day’s Challenge and as such it is pretty hacked up. The photographs that it takes, though, are dreamy.

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Udi Tirosh: from diyphotography.netUdi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

Alex Baker: from diyphotography.netAlex Baker is a portrait and lifestyle driven photographer based in Valencia, Spain. She works on a range of projects from commercial to fine art and has had work featured in publications such as The Daily Mail, Conde Nast Traveller and El Mundo, and has exhibited work across Europe

David Williams: from diyphotography.netDave Williams is an accomplished travel photographer, writer, and best-selling author from the UK. He is also a photography educator and published Aurora expert. Dave has traveled extensively in recent years, capturing stunning images from around the world in a modified van. His work has been featured in various publications and he has worked with notable brands such as Skoda, EE, Boeing, Huawei, Microsoft, BMW, Conde Nast, Electronic Arts, Discovery, BBC, The Guardian, ESPN, NBC, and many others.

John Aldred: from diyphotography.netJohn Aldred is a photographer with over 20 years of experience in the portrait and commercial worlds. He is based in Scotland and has been an early adopter - and occasional beta tester - of almost every digital imaging technology in that time. As well as his creative visual work, John uses 3D printing, electronics and programming to create his own photography and filmmaking tools and consults for a number of brands across the industry.

Dunja Djudjic: from diyphotography.netDunja Djudjic is a multi-talented artist based in Novi Sad, Serbia. With 15 years of experience as a photographer, she specializes in capturing the beauty of nature, travel, and fine art. In addition to her photography, Dunja also expresses her creativity through writing, embroidery, and jewelry making.

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