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Friday, May 22, 2015

Internet of Farm Things

Companies are competing to turn data into advice on how to farm better, and attracting investments from the likes of Google Ventures and Monsanto.

Keith Larrabee’s farm sits on 4,000 acres of California’s Sacramento Valley, between a coastal range of mountains to the west and the tall Sierra Nevadas to the east. It’s an area that traditionally gets much more rain than most of the drought-stricken state. Even so, Larrabee is always worried about the cost and availability of water for his orchards of walnuts and pecans and his 3,000 acres of rice.

Two years ago he began inserting probes five feet deep into the soil of his nut orchards to measure the water concentration foot by foot.

When Larrabee began using such sensors, he had to walk into the fields to read each one individually—a process so laborious that he sometimes did it just once a week. But now, every 15 minutes, readings from the 25 sensors are fed into a network of solar-powered information-gathering stations scattered through the orchard. One of the stations transmits that information to a main database via cell signal. Larrabee uses his smartphone or tablet to log on to see that data, which is available almost instantaneously. Using a software platform called PTC ThingWorx, he sees two color-coded gauges for each sensor—blue means too much water in a given location, red not enough. Combined with data from weather stations around the property, the information helps ­Larrabee decide when to irrigate, where to do so, and how much water to use, either to maximize growth or to avoid frost. “Everything we do, every time I turn a pump on, everything costs money,” he says. “If I can manage my irrigation to exactly what I need, I’m not running the risk of overdoing it. I’m managing the health of the orchard better. I would equate that to a longer life of that orchard, to better crops, better-quality products.”

On Tuesday, Farmers Business Network, a San Francisco company that sells advice to farmers based on data from the farm and public information like weather patterns, became the latest startup in this field to draw notice when it closed a round of venture capital funding that included Google Ventures, but the trend has been building for several years. Companies like Monsanto, tractor maker Deere, and technology giants IBM and Intel are among those already competing with a growing gang of Silicon Valley startups, all hoping for a proliferation of Keith Larrabees: farmers who will see data as an integral part of farming, as important as a reliable tractor or good seed.

A company called PTC makes a platform, pictured here, that displays relevant data for farmers.

A survey conducted last year by the American Farm Bureau Federation, a farm trade association, found that 39 percent of respondents in major corn- and wheat-growing states were using sensor-­driven technologies on their farms. “Farming is moving from being an act of intuitive decision making to an act of analytical decision making,” says David ­Friedberg, CEO of Climate Corporation, a data modeling firm that Monsanto bought for $930 million in 2013.

This shift has been made possible in the United States by the proliferation of wireless networks in farm regions and the popularity of smartphones that can deliver information to farmers working in the fields. Major tractor manufacturers have been including hundreds of inexpensive sensors on field equipment for a decade, making it possible to collect data like the topography of each field and the location and depth of each seed planted.

Drones and smaller satellites promise to continue the data generation by making it increasingly possible to capture frequent, high-quality images of small sections of field, at a far lower cost than traditional photography from a piloted plane.

This kind of information can be especially useful when combined with large data sets that government agencies have made available—largely free—in recent years. Among them: troves of historical soil surveys, weather data, and satellite imagery.

Because there are so many sensors, and every data point from a farm sensor has a place and time stamp, the volume of information being generated is enormous, creating a technical challenge for those trying to analyze it. The amount of data from one large farm might be counted in the hundreds of terabytes, according to IBM. Creating the infrastructure to handle that much data will be complicated, says Vin Sharma, a director in Intel’s big-data analytics unit.

If companies can create services that turn this abundance of data into money-saving advice, the effect could be crucial for farmers operating on tight margins—in the United States, corn-belt farmers on rented land cleared around $20 an acre in net profit last year. Combining information like localized weather forecasts with details about topography, water levels in the soil, and the seed that has been planted in a field, a company like Climate Corporation will advise farmers about how much fertilizer, an expensive item, to put on a field and when to do so.

But how good is the advice coming from the many companies angling to become the farmer’s data advisor? Respondents to the American Farm Bureau Federation survey reported that the technologies they are using have reduced their input costs—a category including fertilizer and seed—by 15 percent on average and increased their crop yield by 13 percent.

Still, many farmers remain skeptical. “I don’t think farmers will be excited about these [data-driven recommendations] until they see the payoff,” says Carl Dillon, an agricultural economist at the University of Kentucky.

Microsoft’s HoloLens Will Put Realistic 3-D People in Your Living Room

Demonstrations of augmented-reality displays typically involve tricking you into seeing animated content such as monsters and robots that aren’t really there. Microsoft wants its forthcoming HoloLens headset to mess with reality more believably. It has developed a way to make you see photorealistic 3-D people that fit in with the real world.

With this technology, you could watch an acrobat tumble across your front room or witness your niece take some of her first steps. You could walk around the imaginary people just as if they were real, your viewpoint changing seamlessly as if they were actually there. A sense of touch is just about the only thing missing.

That experience is possible because Microsoft has built a kind of holographic TV studio at its headquarters in Redmond, Washington. Roughly 100 cameras capture a performance from many different angles. Software uses the different viewpoints to create a highly accurate 3-D model of the person performing, resulting in a photo-real appearance.

The more traditional approach of using computer animation can’t compare, according to Steve Sullivan, who works on the project at Microsoft. He demonstrated what Microsoft calls “video holograms” at the LDV Vision Summit, an event about image-processing technology, in New York on Tuesday. More details of the technology will be released this summer.

“There’s something magical about it being real people and motion,” he said. “If you have a HoloLens, you really feel these performances are in your world.”

Microsoft is working on making it practical and cheap enough for other companies to record content in this form. It might one day be possible to visit a local studio and record a 3-D snapshot of a child at a particular point in life, said Sullivan.

Demonstrations of the technology included holographic videos of theatrical and acrobatic performances. Sullivan also showed how the format could be used in sports instruction. Someone looking for help with golf technique, for example, could wear a HoloLens to examine recordings of a pro golfer swinging different clubs at full or reduced speed, viewing the instructor up close and from different vantage points.

Microsoft has also recorded catwalk models using its system. That could help Internet shoppers by showing them how an item of clothing looks and hangs more realistically than is possible with still photos or 2-D video, said Sullivan. It should also be possible to use captured performances as the basis for animated characters in games or other applications, he said.

HoloLens uses a novel holographic display technology that can trick the eye into perceiving 3-D objects more effectively than conventional stereoscopic displays (see “Microsoft Making Fast Progress with HoloLens”). Sensors in the headset allow the device to figure out how to present virtual objects so they fit in with the real world. Sullivan showed how holographic videos can also be played back in 2-D on a tablet, in a special player that lets you drag your fingers to change your viewpoint on the action.

Several companies are working on ways to capture live action such as sports or movies for viewing on more conventional 3-D headsets like the Oculus Rift. But they capture only the 3-D view from the position of the camera at the time of shooting. Devices like the Rift also use a less sophisticated method of tricking the brain into perceiving 3-D objects, and they cannot mix virtual content with the real world.

A startup called Magic Leap, backed by Google, is developing its own wearable augmented-reality device based on display technology that’s similar to Microsoft’s (see “10 Breakthrough Technologies 2015: Magic Leap”). So far, however, Magic Leap’s demonstrations of its technology have involved animated content, not live action recorded in three dimensions.

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