公开(公告)号：US10516820B2

公开(公告)日：2019-12-24

申请号：US15997968

申请日：2018-06-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyung Hoon Yoon ,  Jae Hyoung Park ,  Jeong Won Lee ,  Han Sung Kim

IPC: H04N5/232 ,  H04N5/235 ,  H04N17/00

Abstract: An electronic device includes a camera and a processor. The processor is configured to: obtain a first image from the camera with respect to an external object, move a lens device depending on a specified amount of movement using a lens driver, obtain a second image corresponding to a position to which the lens device moves with respect to the external object, determine a first partial area of the first image corresponding to a specified portion of the external object, determine a second partial area of the second image corresponding to the first partial area based on the first partial area and the specified movement amount, determine a focus position with respect to the lens device based on a defocus difference between the first partial area and the second partial area and the specified movement amount, and move the lens device to the focus position using the lens driver.

公开(公告)号：US09131095B2

公开(公告)日：2015-09-08

申请号：US14337816

申请日：2014-07-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun Bit Kwak ,  Han Sung Kim ,  Chun Sub Ryu

IPC: H04N1/04 ,  H04N1/00

CPC classification number: H04N1/00925 ,  H04N1/00278

Abstract: An image forming apparatus and a method of controlling the same capable of preventing an unnecessary repetitive performance of a scan task by sensing in advance a succeeding scan command generated with respect to a document which has already been scanned and using a previous scan result without an additional scan task are provided. The method includes generating and storing a first image through a first scan task according to a first scan command, determining whether a document at the first scan task is replaced by a new document using document sensors if a second scan command is generated, and using the first image as a result of the second scan command without performing a second scan task according to the second scan command upon determining that the document at the first scan task is not replaced by the new document.

Abstract translation: 一种图像形成装置及其控制方法，其能够通过预先检测相对于已经被扫描的文档产生的后续扫描命令并且使用先前的扫描结果而不需要附加的扫描任务来防止扫描任务的不必要的重复执行 提供扫描任务。 该方法包括根据第一扫描命令通过第一扫描任务生成和存储第一图像，使用文档传感器确定第一扫描任务中的文档是否被新文档替换，如果产生了第二扫描命令，并且使用 作为第二扫描命令的结果的第一图像，而在确定第一扫描任务的文档未被新文档替换时，根据第二扫描命令不执行第二扫描任务。

公开(公告)号：US10389951B2

公开(公告)日：2019-08-20

申请号：US15721435

申请日：2017-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae Hyoung Park ,  Byung Ho Kim ,  Jae Joon Moon ,  Jeong Won Lee ,  Han Sung Kim ,  Woo Seok Choi ,  Shuichi Shimokawa ,  Takafumi Usui

IPC: H04N5/235 ,  H04N5/355 ,  H04N5/232 ,  H04N9/69

Abstract: An electronic device includes a lens part that receives light from a subject, an image sensor that receives the light of the lens part from a group of pixels arranged two-dimensionally, and an processor that processes an image signal of the image sensor. The image sensor performs a read-out operation at a speed to prevent blurring of an image. The processor temporarily stores image data by the read-out operation in a memory, loads a plurality of images stored in the memory to generate an image, of which the number of bits is expanded compared with the image signal of the image sensor, and performs gamma processing on the image, of which the number of bits is expanded, to generate an image compressed to the same number of bits as the image signal of the image sensor.