The most common principle of optical imaging is that with a single lens, or similarly with a multiple-lens system, also called an objective. This is explained in the article on imaging with a lens.

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Focal length is the distance in millimeters between this point of convergence and the sensor or photographic film of the camera it is attached to.

Some kind of optical imaging is required for a wide range of applications. Some important example cases are briefly explaining the following:

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The Massachusetts Department of Transportation (MassDOT), working with their contract Northern Construction, will be completing an intersection improvements project at the intersection of Route 28 and Yarmouth Road.  The project will include lane widening/expansion, new sidewalks and pedestrian improvement, new traffic signalization as well as utility improvements, including drainage, water and sewer.  Demolition of the old KAM Appliance building is complete. Weather pending, construction will be on-going, Monday through Friday from 7:00 AM to 4:30 PM until completion of this phase of the project, which is anticipated in 2025.

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In some cases, imaging is not done with traditional optics like lenses, but based on fiber optics. For example, there are imaging fiber bundles and fiber-optic plates (faceplates) which can produce one-to-one image transfers, sometimes also including some magnification when using tapered structures.

The roadway closure and detour is necessary to facilitate the replacement of two existing culverts under Route 6A at Sesuit Creek. The roadway will remain open to residents within the closed section of Route 6A.

The Massachusetts Department of Transportation (MassDOT) has announced that it will be closing Route 6A (Main Street) from Scargo Hill Road to Sesuit Neck Road beginning on September 4th. Road closures are expected to be in place through April 2025.

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The simplest kind of optical imaging is achieved with the pinhole camera (camera obscura), requiring only a pinhole and no other optical elements like lenses or mirrors. Because that operation principle is rather limiting, particularly because of a trade-off between resolution and light collection efficiency, other imaging methods are applied in most cases.

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Imaging is not only possible with visible light, but also with electromagnetic radiation and other frequency regions and with other types of radiation:

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If a couple of spectral bands is used, the term multispectral imaging is common. If a contiguous wavelength band is covered with substantial resolution, one speaks about hyperspectral imaging.

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Information on this page is provide links to real time traffic information and traffic advisories for the major roads on Cape Cod.

This new traffic pattern is intended to improve safety and traffic operations by restriping the rotary with two lanes, adding a channelized right turn lane from Route 28 northbound to Sandwich Road eastbound and adding a right turn lane from Route 28 southbound to Trowbridge Road.

The generation of an optical image often means that light received from points of an object is sent to points on some image plane. More generally, imaging may mean that points in a certain plane (containing any objects or not) are mapped to points in some other plane. In some cases, one does three-dimensional imaging, collecting information on object points not only in one plane.

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During this time, northbound traffic heading off Cape will be restricted to one lane of travel to accommodate the work. Both southbound travel lanes heading onto the Cape will remain open during this period. No wide loads will be permitted to cross the bridge while lane restrictions are in place.

Some imaging devices work by scanning objects point by point and assembling those data to complete images. In some cases, one does a line scan in one dimension only.

More specific terms: imaging with a lens, spectral imaging, multispectral imaging, hyperspectral imaging, thermal imaging

There are other imaging methods, not requiring lenses, but certain amplitude or phase masks in front of an electronic image sensor. Here, the images need to be computed from the raw data, using sophisticated algorithms.

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Starting on October 15, 2024, a mile-long stretch of the Shining Sea Bikeway will be closed to for utility work associated with Eversource's Martha's Vineyard Reliability and 91 Cable Replacement Projects. According to Eversource, "starting as early as October 15th, 2024 crews will begin installing a series of manholes and conduits along the Shining Sea Bikeway, between Ter Heun Drive and Locust Street. This work will continue through the winter months and is anticipated to be completed by spring of 2025."

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Traffic management will consist of a temporary detour as follows: Traffic travelling eastbound on Route 6A eastbound will turn left onto Sesuit Neck Road, turn right on Bridge Street, and continue on Bridge Street to Route 6A. Traffic travelling westbound on Route 6A will turn left onto Scargo Hill Road, continue straight onto Old Bass River Road, and continue on Old Bass River Road to Route 6A.

Changes to the traffic pattern at the rotary are highlighted in the below images and a PDF that is available by clicking here.

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A bike path detour was developed in coordination with the Town of Falmouth, the Falmouth Police Department, and members of the Falmouth Bicycle and Pedestrian Committee.

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Mass511 is a free traveler information service that provides live traffic reports, commuter service information, and personalization in the Massachusetts. Incidents, road closures, construction, lane closures, real-time live traffic cameras, weather alerts/forecasts, travel times and traffic speeds can all be viewed on the linked interactive live Traffic Map.

The resolution achievable with optical imaging is in most cases limited by diffraction to the order of half the optical wavelength. However, there are a couple of methods for super-resolution imaging beyond the diffraction limit. For example, there are near-field microscopy methods and certain methods of fluorescence microscopy.

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Some imaging methods are suitable for acquiring three-dimensional images. This is possible with holography and with some scanning methods such as optical coherence tomography.

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The US Army Corps of Engineers has announced that inspection and maintenance work will be performed on the Bourne Bridge Tuesday, October 15th, 2024 from 9:00 am to 2:00 pm.