ViewSonic International Corporation (New Taipei, TW)

A method for image capture is described. This method involves: simultaneously recording a continuous image with multiple image capturing devices to capture multiple images at different focal lengths at the same location; recognizing a target region of each image captured according to multiple focal areas and keeping different target areas in the target areas; directly generating a single reconstructed image that matches the time interval based on the subimages that correspond to the target, and then releasing the reconstruction image.

Technical Field

The disclosure is related to an imaging method, and more particularly, to an image-capturing method and an electronic device using the image capturing method.

Description of Related Art

An image that is clear of the object must be present in the image recognition process (e.g. the image of the face that will be used to recognize the operation’s face) for it to work. In order to obtain an image of clarity of the targetobject, the image capturing device needs to scan/align the target object, to ensure that the focal length can be accurately placed on the target object, which results in a crystal clear image of the object that has been focused.

In the event in which the number of multiple target objects is significant (more than 2), in order to obtain a clear image of all the target objects, it often requires a considerable amount of time and effort due to the need to focus and capture each of the object targets. The operation of capturing the image of the target object is slow , and the process of recognizing images takes a lot of computing time and resources.

The disclosure provides an image capture method and an electronic device, which can take multiple pictures using multiple focal lengths and recognize multiple target areas related to focal lengths of the images to produce multiple sub-images of target regions, thus generating one reconstructed image that is corresponding to the date in accordance with the sub-images of the target. Multiple objects are focussed in the reconstructed image.

An embodiment of the disclosure offers an image capturing method suitable for an electronic device. Multiple image capture devices are integrated into the electronic device. The devices for image capture employ a variety of focal lengths to capture. The procedure is as follows. The devices for image capture can be used to simultaneously record a scene. Multiple photos can be taken at once by using the device. The number of images is equal to the total follo lengths. The target area of each of the captured images is identified based on multiple focal sections. The target areas correspond to focal sections and the focalsections correspond to focal lengths. Multiple sub-images of the target are kept in the target areas. Multiple object images within the target sub-images are focused. One reconstructed image that is corresponding to the time pointis directly created based on the sub-images of the target. The output image is the one reconstructed.

One aspect of the disclosure describes an image-capturing method that is suitable for electronic devices. The electronic device also has a zooming device that can be used to take pictures. The method includes as follows. The camera captures multiple pictures of the same monitor scene. Each shot is taken sequentially according to different focal lengths. A total number of the images equals a total number of the focal lengths, and multiple timing points of the images are continuously. A target area for each image is recognized according to multiple focal sections. The areas of the target are the focal sections and the focal sections correspond to focal lengths.Multiple sub-images of target in the areas that are targeted in the images are retained. Multiple objects in the sub-images of target are all concentrated. Directly output is the sub-image. A reconstructed image is created directly based on the targetsubimages. The reconstructed image is output.

A disclosure embodiment describes an electronic device. A device that is electronic comprises imaging devices that have fixed focal lengths along with storage devices and a processor. The devices for image capture can be configured to use different focal lengths to shoot. The storage device is set to keep data in it and it contains various coded programs. The processor has the ability to access and execute code in order to execute an image capture technique. Additionally, the image capturing devices are configured to shoot monitor scenes simultaneously in order to capture multiple images corresponding to the focal lengths at the same time point. A total number of the images equals a total number of focal lengths. Each image is recognized by the processor in relation to multiple focal segments. The target areas correspond to the focal sections, and the focal sections correspond to the focal lengths. The processor is additionally designed to store several target sub-images within the target regions of the images, as well as multiple objects images within the target sub-images remain focused. Further, the processor can produce a single image reconstructed directly according to the timing points of the sub-images of the target. The processor can also output the reconstructions.

A disclosure embodiment provides electronic devices. The electronic device includes an image capture device that can be zoomed as well as a storage device and a processor. The image-capturing device is configured to select one of several focal lengths to capture. The storage device can hold data and multiple program codes. The processor is configured to access and execute the program codes in order to implement an image capturing method. The imagecapturing devices can also be programmed to continuously take a picture of a scene in multiple time according to the focal distances, in order to create multiple images which correspond to the focal lengths. The number of images is equal to a total number of focallengths and the multiple time points of the images are continuously. The processor is also configured to recognize a target area of each image by the focal sections. The areas of the target are the focal sections, and the focal sections, in turn, correspond to focal lengths. Additionally, the processor is able to keep multiple images of target within the target areas of the images. Multiple object images in each target sub-image are focussed. The processor isfurther configured to directly generate one reconstructed image that is identical to the sub-images of the target. The processor is further configured to output the rebuilt image.

The disclosed embodiments include a device for image capture and an electronic device that is able to capture images at the focal lengths. Each image could have a target sub-image, that corresponds to the focal lengths. This permits the electronic device to produce and output reconstructions of images based on the target sub-images. In this way, without analyzing the images and not attaching/stitchingthe target sub-images, it is possible to quickly and efficiently enable the object images at multiple depths in the generated reconstructed image to be focused and clear, thereby improving the accuracy of the image recognition operation using thereconstructed image.

Below are detailed descriptions of embodiments that include drawings to make the above features and benefits simpler to comprehend.

Click here to view the patent on USPTO website.

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