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Systems and methods for performing automatic zoom
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A technology of digital zooming and movement, applied in the direction of radio wave measurement system, components of television system, orientator for determining direction, etc., which can solve problems such as difficult to provide automatic functionality, difficult to provide automatic image capture and/or adjustment
Active Publication Date: 2019-03-01
QUALCOMM INC
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[0005] In some cases it may be difficult to provide automatic functionality
For example, it may be difficult to provide automatic image capture and / or adjustment
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[0023] The systems and methods disclosed herein relate to performing automatic zooming. The zoom effect is a feature in various applications. For example, zooming can magnify an area of interest in an image so that a user can view the magnified scene on a display and / or record the magnified scene in a video clip. Some methods for zooming include a "pinch and zoom" method, which may only allow the user to view a magnified area located in the center of the field of view. If the area of interest is not centered, the zoom level may be affected (eg, limited). Furthermore, the "pinch to zoom" approach may require substantial user input and / or may not provide good performance when the object of interest is in motion and / or is not centered in the field of view.
[0024] Some methods of zooming are given below. Pinch-to-zoom may be one zoom method that can be implemented in a smartphone camera application. In this method, the zoom effect magnifies the central area of the fram...
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Abstract
The present invention describes an electronic device. The electronic device includes a processor. The processor is configured to obtain a plurality of images. The processor is also configured to obtain global motion information indicating global motion between at least two of the plurality of images. The processor is further configured to obtain object tracking information indicative of motion of a tracked object between the at least two of the plurality of images. The processor is additionally configured to perform automatic zooming based on the global motion information and the object tracking information. Auto-zooming is performed to generate a zoom area containing the tracked object. The processor is configured to determine a motion response speed of the zoom region based on a position of the tracked object within the zoom region.
Description
[0001] related application [0002] This application is related to and claims priority to US Provisional Patent Application Serial No. 62 / 233,594, "SYSTEMS AND METHODS FOR PERFORMING AUTOMATIC ZOOM," filed September 28, 2015. technical field [0003] The present invention generally relates to electronic devices. More specifically, the present invention relates to systems and methods for performing automatic zooming. Background technique [0004] Some electronic devices (e.g., cameras, video camcorders, digital still cameras, cellular phones, smartphones, computers, televisions, automobiles, personal cameras, wearable cameras, virtual reality devices (e.g., headsets), augmented Reality devices (e.g., headsets), mixed reality devices (e.g., headsets), action cameras, surveillance cameras, mounted cameras, connected cameras, robots, drones, smart apps, healthcare devices, set-top boxes, etc.) capture and / or Use images. For example, a smartphone can capture and / or process st...
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