Facebook Technologies, LLC (Menlo Park, CA)
The disclosure described herein generally relates to artificial reality systems, and in particular, to the tracking of objects as well as obtaining location information of objects in the local area.
Mixed reality (MR), augmented reality, and virtual reality (VR) systems can all be used to record objects in three dimensions (or 3D). Different camera imaging architectures have strengths and weaknesses that are different. This means that certain camera imaging architectures are more effective in various operating conditions. It is essential to have a system that can track objects, including objects belonging to a user, such as a user’s hand or objects that surround the user, to produce inputs and then provide the user with interactive displays depending on the inputs. However, large amounts of computing and data are usually needed for effective real-time tracking of objects.
Embodiments are used to monitor and identify the location of an object within a monitored environment. A number of imaging devices can be employed in an system. A device to track objects is also included. The system is able to recognize an object in a search region in an image captured by one or more imaging devices. It will then identify an area of tracking that is smaller than the searchregion corresponding to the object. It will then examine the tracking area in time to locate locations that correspond with the object overtime. The system may make a ranking of objects in one or more search areas and identify the regions of tracking that are associated with them, scan these areas with the object ranking to determine the exact location of objects over time. Then, it will build a model of one or more search areas or the surroundings by analyzing the locations of the objects. One or more objects can be associated with a location. Users can create a hand pose by locating several hand-related characteristics (e.g. joints) within a given space.
In some embodiments, an object tracking unit receives image data from the search area from one or more imaging devices. Based on the search-area image the object tracking unit can determine if an object is within the search region. The object tracking unit utilizes the search area image data to identify a tracking area that corresponds to the object. The area of the tracking is smaller than the search regions. The object tracking unit gets the images of the region that are captured by the imaging devices. The object tracking unit determines the location associated with the object based on tracking region image data of the tracking region.
An imaging device may produce image data of the search area for the search area, while a second imaging devices may generate images for the region of tracking for the tracking region. The first imaging device may be the same model that the second device or may be a different imaging device. One imaging device scans the search region to create search region imagedata while another scans the area of the tracking in order to create the tracking regions image data.
In certain embodiments the system can provide for user selection of objects that can be tracked in the location. The system may include a hand tracking device to determine the hand’s position of a user and an eye tracking device to detect the position of the eye of the user. It can also scan an area of the object to track its position over time.Click here to view the patent on USPTO website.
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The first step in getting your patent is to do a patent search. You can do a google patent search or do a USPTO search. Once the patent application has been submitted, the product that is that is covered by the patent application could be referred to as patent-pending and you can locate the patent application on a public pair. Once the patent office approves the patent application, you will be able to perform a patent search to find the issued patent. Your product is now patented. In addition to the USPTO search engine, you can use other search engines, such as espacenet as described below. You can get help from an attorney who specializes in patents. In the US, patents are issued through the US patent and trademark office, or the United States patent and trademark office, which also reviews trademark applications.
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1. Think of terms that describe your invention in relation to its intended, composition, or use.
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Use the questions below to help you find key words or concepts.
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- Is the invention a method of creating something or performing some function? Is it a product or procedure?
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- What is the goal of the invention
- What are the technical words and terms that describe the characteristics of an invention? To assist you in finding the correct terms, consult an online dictionary of technical terms.
2. Use these terms to search for relevant Cooperative Patent Classifications on the Classification Text Search Tool. To determine the most suitable classification to your invention, scan the resulting classification’s class Schemes (class schedules). You may want to consider substituting the terms you’re using for describing your invention, if you do not get any results from your Classification Text Search with synonyms like the ones you used in step 1.
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4. Find patent documents that have the CPC classification from the Patents Full-Text and Image Database. You can review and narrow down the relevant patent documents by prioritizing the abstract and representational drawings.
5. This collection of patent publication is the most appropriate to look at for any similarities with your invention. Pay attention to the claims and specifications. There are many patents available by referring to the patent examiner and the applicant.
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7. You can find other US patent publications by keyword searching in AppFT or PatFT databases, and also classification searching of patents that aren’t from the United States as in the following table. Additionally, you can utilize web search engines to search non-patent documents that describe inventions in the literature. Here are a few examples:
- Add keywords to your search. Keyword searches may turn up documents that are not well-categorized or have missed classifications during Step 2. For example, US patent examiners often supplement their classification searches with keyword searches. Think about the use of technical engineering terminology rather than everyday words.
- Search for foreign patents using the CPC classification. Then, re-run the search using international patent office search engines such as Espacenet, the European Patent Office’s worldwide patent publication database of over 130 million patent publications. Other national databases include:
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- Japan Patent Office (JPO) – with access to machine translations of Japanese patents.
- World Intellectual Property Organization (WIPO) offers PATENTSCOPE with a full-text search of published international patent applications and machine translations for some documents, as well as a list of international patent databases.
- Korean Intellectual Property Rights Information Service (KIPRIS)
- State Intellectual Property Office (SIPO) with machine translation of Chinese patents.
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- Search non-patent literature. Inventions can be made public in many non-patent publications. It is recommended that you search journals, books, websites, technical catalogs, conference proceedings, and other print and electronic publications.
To review your search, you can hire a registered patent attorney to assist. A preliminary search will help one better prepare to talk about their invention and other related inventions with a professional patent attorney. In addition, the attorney will not spend too much time or money on patenting basics.