Patents Assigned to Hanwha Techwin Co., Ltd.
  • Patent number: 10679377
    Abstract: An object detection system includes: a false detection storer to store one or more items of false detection information; an object detector to detect an object from an input image, compare object detection information corresponding to the object with the false detection information, and output a notification corresponding to the object detection information when false detection information corresponding to the object detection information does not exist; and a feedback receiver to receive a user response to the notification and, when a detection error response to the notification is received, store the object detection information corresponding to the notification as false detection information in the false detection storing unit, wherein the object detector does not output the notification when the object corresponding to the false detection information stored in the false detection storer is detected.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: June 9, 2020
    Assignee: Hanwha Techwin Co., Ltd.
    Inventor: Young Hyun Lee
  • Patent number: 10681312
    Abstract: An intelligent video analysis method and system logically selects only surveillance cameras associated with an event and assigns different ranks to the selected surveillance cameras according to the importance thereof. Thereafter, more video analysis resources are assigned to a surveillance camera of high importance, thereby rapidly and efficiently performing video analysis.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: June 9, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventors: Muneswar Rao Gali, Durga Prasad Jujjuru, Seungho Jung
  • Patent number: 10671877
    Abstract: An image masking method is provided. The method includes: extracting an object from an image; obtaining characteristic information about the extracted object by analyzing the extracted object; determining whether the extracted object is a masking target according to an input setting value or the obtained characteristic information; and performing masking such that the obtained characteristic information is reflected on the extracted object, in response to determining that the extracted object is the masking target among a plurality of objects extracted from the input image, wherein the setting value is set by an input designating at least a partial region in the input image, and wherein in the determining whether the extracted object is the masking target, an object positioned in the at least a partial region is determined as the masking target among the extracted objects.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: June 2, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventors: Jin Hyuk Choi, Song Taek Jeong, Jae Cheon Song
  • Patent number: 10664958
    Abstract: A method of adjusting an output bitrate of an image by contrast adjustment includes: determining a maximum subtraction rate of a contrast of the image in response to a brightness of the image; comparing a current output bitrate of the image with a target bitrate while reducing the contrast of the image up to the determined maximum subtraction rate of the contrast of the image; and determining the contrast of the image to be the reduced contrast in response to determining that the reduced contrast of the image corresponds to the target bitrate.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: May 26, 2020
    Assignee: Hanwha Techwin Co., Ltd.
    Inventors: Young Seo Park, Sang Won Lee
  • Patent number: 10664960
    Abstract: A image processing device includes a first interface to receive a first frame having a first pixel value with a first dynamic range; a dynamic range converter to convert the first pixel value having the first dynamic range into a second pixel value having a second dynamic range according to a conversion gain factor to generate a second frame having the second pixel value with the second dynamic range, the second dynamic range being less than the first dynamic range; a weight generator to receive the conversion gain factor and to generate a first contrast weight signal depending on the conversion gain factor; and a contrast modifier to enhance a local contrast of the second frame by adjusting the second pixel value of the second dynamic range based on the first contrast weight signal.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: May 26, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventor: Changmin Lee
  • Publication number: 20200162672
    Abstract: An imaging apparatus includes: a frame; and at least one camera provided on the frame, wherein the at least one camera includes: a lens; a sensor coupled to the lens and configured to obtain an image; a base coupled to the sensor, configured to receive external power, and rotatable on the frame; and a guide connected to the base to be rotatable along with the base, and contacting the frame.
    Type: Application
    Filed: November 11, 2019
    Publication date: May 21, 2020
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventors: Jong Man JIN, Jong Kyung LEE, Eun Soo CHOI
  • Patent number: 10659693
    Abstract: An image processing device to correct for wobble of an image constructed according to exemplary embodiments of the invention includes an input interface to communicate with an image capture sensor, and a motion vector detector to process first and second images received from the image sensor through the input interface, to detect, in the first image, feature points having feature values higher than a threshold value, and to compare the first image to the second image by using at least parts of the feature points to determine a global motion vector of the first image. The threshold value is adjustable depending on a gain of the image sensor.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: May 19, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventor: Gabcheon Jung
  • Patent number: 10659735
    Abstract: A surveillance system is provided. The surveillance system includes: a first frequency communication module configured to receive a first surveillance image from a first camera, and receive a second surveillance image from a second camera; a second frequency communication module configured to receive second frequency communication module notice information from the second camera; and a processor configured to change a reception signal gain value of the first frequency communication module based on the second frequency communication module notice information, wherein a reception signal strength of the first surveillance image is different from a reception signal strength of the second surveillance image.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: May 19, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventors: Jae Hag Jung, Jae Yeon Park, Jae Woo Park
  • Patent number: 10659221
    Abstract: Provided is a method of managing keys in a security system of a multicast environment. The key managing method according to the embodiments of the present disclosure enables key management that a key renewal regarding a receiver joining or leaving a group does not affect all groups.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 19, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventor: Ho Jae Hyun
  • Publication number: 20200154018
    Abstract: An imaging apparatus includes: a frame; a plurality of sensor modules mounted on the frame, wherein each of the sensor modules includes a sensor and a lens having a different optical axis, and is configured to rotate about the optical axis by a predetermined angle to obtain an image; and a processor configured to control the rotation of each of the sensor modules, and connect the images obtained by the sensor modules to generate a connected image.
    Type: Application
    Filed: November 8, 2019
    Publication date: May 14, 2020
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventors: Jong Hyeok LEE, Jong Kyung LEE, Do Won KO, Joong Gyun JEONG
  • Patent number: 10643304
    Abstract: Provided is an image providing method including generating a first layer on which a first image is displayed; generating a second layer on which a second image is displayed, the second image being different from the first image; generating a mask based on a position of a region of interest in the first image; and generating a display image based on at least one of the first layer, the second layer, and the mask.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: May 5, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventors: Ho Jung Lee, Yeon Woo Kim, Jeong Hun Lee, Hyun Ho Kim
  • Patent number: 10644928
    Abstract: A device, system and method of performing real-time communication with an external web browser signals an external web browser to initiate real-time communication over a network, packetizes encoded media data based on a given real-time network protocol after the signaling is performed, depacketizes the packetized media data to obtain the encoded media data, and performs the real-time communication by transporting the encoded media data to an external web browser over the network.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: May 5, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventors: Junghwan Jang, Jongho Lee
  • Patent number: 10621706
    Abstract: An apparatus for correcting defective pixel values includes: an image sensor comprising a plurality of pixels; a data memory storing encoded location information about defective pixels, a location information decoder decoding the encoded location information, and a pixel corrector identifying the defective pixels from the pixels using the decoded location information, and interpolating pixel values of the defective pixels using pixel values of one or more neighboring pixels adjacent to each of the defective pixels.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: April 14, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventor: Chang Min Lee
  • Patent number: 10620410
    Abstract: A zoom lens system according to an example embodiment includes, sequentially from an object side to an image plane side along an optical axis, a first lens group having a negative refractive power and including at least one doublet lens, the doublet lens including two lenses, a second lens group having a positive refractive power, and a third lens group having a positive refractive power, wherein the first lens group and the second lens group are configured to move along the optical axis to perform zooming and focusing, and the zoom lens system satisfies 3.0<Vdf/Vdr<6.0, where Vdf denotes an Abbe number of a lens arranged at the object side in a doublet lens, and Vdr denotes an Abbe number of a lens arranged at the image plane side in a doublet lens.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: April 14, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventor: Jin Ho Jang
  • Patent number: 10600391
    Abstract: An embodiment of the present invention discloses a method and apparatus for managing display. A method of managing display according to an embodiment of the present invention may include: obtaining display device information including an operation state and a maximum display resolution of each of one or more connection display devices that are sensed to be connected; detecting one or more operation display devices that are operating display devices from among the one or more connection display devices, by referring to the display device information; and determining a resource allocation coefficient of each of the one or more operation display devices, based on at least one of a maximum display resolution of each of the one or more operation display devices and a number of display channels of each of the one or more operation display devices.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: March 24, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventors: Hyun Kyoung Yoon, In Beom Yoo
  • Publication number: 20200065472
    Abstract: The present embodiments relate to an image processing apparatus and a user authentication method of the image processing apparatus. The image processing apparatus according to an embodiment of the disclosure includes: a first authentication unit configured to receive first authentication data from a user terminal, and to determine whether the first authentication data matches pre-stored first reference data to authenticate the user terminal; and a second authentication unit configured to generate, when additional authentication is set up, second reference data, requesting the user terminal to send second authentication data, to receive the second authentication data from the user terminal, and to determine whether the second authentication data matches the second reference data to authenticate the user terminal.
    Type: Application
    Filed: July 5, 2017
    Publication date: February 27, 2020
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventor: Myung Hwa SON
  • Patent number: 10574991
    Abstract: An image processing apparatus includes an image processor and an encoder. The image processor enhances an edge of an input image, removes noise from the input image, synthesizes the edge-enhanced image and the noise-removed image, and removes a high frequency from the synthesized image. The encoder pre-encodes a downsized synthesized image, obtains a pre-bit rate of the pre-encoded image, sets a quantization parameter value based on a reference bit rate and the pre-bit rate, and compresses the high-frequency removed image based on the quantization parameter value.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: February 25, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventors: Ji Hyung Ryu, II Sik Yang
  • Patent number: 10567809
    Abstract: An apparatus and a method for transmitting media data through live streaming or recorded streaming are provided. Live streaming refers to a case where media being captured in real time by a media service apparatus is played in a user's web browser, and recorded streaming refers to a case where media pre-recorded and stored in a server is played in a user's web browser. In the case of live streaming, since real-time is an important factor, there is provided a media playing method with no initial delay by using a decoder written in a script that can be parsed by a web browser. In the case of recorded streaming, there is provided a media playing method capable of using a decoder embedded in a web browser with no compatibility issue related to a container even when the media service apparatus has no container creation functionality.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: February 18, 2020
    Assignee: Hanwha Techwin Co., Ltd
    Inventors: Sweung Won Cheung, Do Hyun Kim, Jong Chan Park
  • Patent number: D883357
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: May 5, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventor: Mi Jung Moon
  • Patent number: D887473
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: June 16, 2020
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventor: Ho Jin Park