# US 2022/0286642 A1 · Event-oriented multi-channel video backup apparatus and method, and network surveillance camera system including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0286642 A1 - Document ID: US20220286642A1 - Status: Published application - Kind: A1 - Application number: 17/752,523 - Filed: 2022-05-24 - Published: 2022-09-08 - Earliest claimed: 2019-11-26 - Assignees: Hanwha Techwin Co., Ltd. - Applicants: Hanwha Techwin Co., Ltd. - Inventors: Hyun Ho Kim; Jaeyoung Shin; Byoungki An; Daehyun Gu; Youngin Yun; Ji-eun Kim - Web page: https://patentgrep.com/patent/US20220286642A1 ## CPC - H04N 5/91: Television signal processing therefor - H04N 21/26603: {for automatically generating descriptors from content, e.g. when it is not made available by its provider, using content analysis techniques} - G06F 11/1448: {Management of the data involved in backup or backup restore} - G06F 11/1464: {for networked environments} - G06F 16/583: using metadata automatically derived from the content - G06F 16/587: using geographical or spatial information, e.g. location - G06F 16/71: Indexing; Data structures therefor; Storage structures - G06F 16/73: Querying - G06T 7/11: Region-based segmentation - G06V 20/40: in video content (extracting overlay text G06V20/62; video retrieval G06F16/70; processing of video elementary streams in video servers H04N21/234; processing of video elementary streams in video clients H04N21/44) - G06V 20/52: Surveillance or monitoring of activities, e.g. for recognising suspicious objects (recognising microscopic objects G06V20/69) - H04N 5/77: between a recording apparatus and a television camera - H04N 7/181: {for receiving images from a plurality of remote sources} - H04N 7/188: {Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position (signal generation from motion picture films H04N5/253)} - H04N 9/8205: {involving the multiplexing of an additional signal and the colour video signal} - H04N 21/21805: {enabling multiple viewpoints, e.g. using a plurality of cameras} - H04N 21/2187: Live feed - H04N 21/2365: Multiplexing of several video streams - H04N 21/4135: {external recorder (interface circuits between an apparatus for recording television signals and a television receiver H04N5/775)} - H04N 21/4828: {for searching programme descriptors (retrieval of video data G06F16/739)} - H04N 21/85406: {involving a specific file format, e.g. MP4 format} - G06F 2201/84: Using snapshots, i.e. a logical point-in-time copy of the data - G06T 2207/10016: Video; Image sequence - G06T 2207/20132: Image cropping - G06T 2207/30232: Surveillance - G06V 2201/10: Recognition assisted with metadata - H04N 9/8042: {involving data reduction} - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING ## Abstract A network surveillance camera system includes a network surveillance camera system including: a video receiving and/or searching device connected to a plurality of cameras through a network, and configured to receive video information in real time from the plurality of cameras through multiple channels and perform a video search on the video information; and a video backup device configured to store event-oriented and channel-wise video backup information generated according to a result of the video search of the video receiving and/or searching device, and play back the event-oriented and channel-wise video backup information, wherein the video information is obtained by the plurality cameras configured to capture a plurality of surveillance areas, respectively, and wherein the event-oriented and channel-wise video backup information includes a video backup file generated for each channel and a video playback software player. ## Claims ### Claim 1 A network surveillance camera system comprising: a video receiving and/or searching device connected to a plurality of cameras through a network, and configured to receive video information in real time from the plurality of cameras through multiple channels and perform a video search on the video information; and a video backup device configured to store event-oriented and channel-wise video backup information generated according to a result of the video search of the video receiving and/or searching device, and play back the event-oriented and channel-wise video backup information, wherein the video information is obtained by the plurality cameras configured to capture a plurality of surveillance areas, respectively, and wherein the event-oriented and channel-wise video backup information comprises a video backup file generated for each channel and a video playback software player. ### Claim 2 (depends on 1) The network surveillance camera system of claim 1, wherein the video receiving and/or searching device is configured to receive metadata and a still image from each camera of the plurality of cameras, wherein the metadata is generated by each camera based on video analysis information corresponding to the a surveillance area, of the plurality of surveillance areas, and wherein the still image is generated by each cameras by cropping a video portion corresponding to an object detected within the surveillance area among the video analysis information. ### Claim 3 (depends on 2) The network surveillance camera system of claim 2, wherein the metadata comprises detection information, identification information, location information, and time information of the object captured in the surveillance area. ### Claim 4 (depends on 2) The network surveillance camera system of claim 2, wherein the still image is an image selected, among video data captured in the surveillance area, as an image suitable for recognizing a specific object. ### Claim 5 (depends on 4) The network surveillance camera system of claim 4, wherein the still image comprises a Joint Photographic Experts Group (JPEG) image file. ### Claim 6 (depends on 2) The network surveillance camera system of claim 2, wherein the video receiving and/or searching device comprises a search viewer application program configured to generate a thumbnail image using channel-wise still images transmitted from the plurality of cameras and perform the video search on the video information received through the multiple channels. ### Claim 7 (depends on 6) The network surveillance camera system of claim 6, wherein the search viewer application program is configured to display object identification information of channel-wise metadata transmitted from the plurality of cameras. and display thumbnail images corresponding to the object identification information. ### Claim 8 (depends on 7) The network surveillance camera system of claim 7, wherein video information associated with a predetermined thumbnail image selected from among the thumbnail images is generated as the event-oriented and channel-wise video backup information, and the generated video backup information is provided to the video backup device. ### Claim 9 (depends on 1) The network surveillance camera system of claim 1, wherein the video backup file generated for each channel comprises one or more of a timeline database, a key frame index database, a video frame header and video data, an audio frame header and audio data, a metadata header and metadata, and a still image header and a still image file. ### Claim 10 (depends on 1) The network surveillance camera system of claim 1, wherein the video playback software player is operated in a mode, among a plurality of modes, according to a user's selection, the plurality of modes comprising a sequential playback mode, a simultaneous playback mode, a same-period playback mode, and an individual-time playback mode. ### Claim 11 An event-oriented multi-channel video backup method, comprising: capturing, by using a plurality of cameras, a plurality of surveillance areas to acquire video information for the plurality of surveillance areas; transmitting the video information for each of the plurality of surveillance areas through a corresponding one of multiple channels; receiving the video information from the plurality of cameras and performing a video search on the video information received through the multiple channels; backing up channel-wise video information generated according to a result of the video search; and storing and playing back the backed-up information, wherein the backing up the channel-wise video information comprises backing up metadata included in the video information for each of the plurality of surveillance areas, and the playing back the backed-up information is performed in an event-oriented and channel-wise manner based on the backed-up metadata. ### Claim 12 (depends on 11) The event-oriented multi-channel video backup method of claim 11, wherein the video information comprises video analysis information for the video information for each surveillance area generated as metadata and a still image obtained by cropping a video portion corresponding to an object detected within a surveillance area. ### Claim 13 (depends on 12) The event-oriented multi-channel video backup method of claim 12, wherein the performing the video search comprises: generating a thumbnail image using channel-wise still images transmitted from the plurality of cameras; displaying object identification information of channel-wise metadata transmitted from the plurality of cameras in a form of text and displaying thumbnail images corresponding to the object identification information; and generating video information associated with predetermined thumbnail images selected from among the thumbnail images as video backup information. ### Claim 14 (depends on 13) The event-oriented multi-channel video backup method of claim 13, wherein the video backup information comprises a video backup file generated for each channel and a video playback software player, and wherein the metadata included in the video information is extracted based on the channel-wise video information being backed up, and is contained in the video backup file for each channel. ### Claim 15 (depends on 14) The event-oriented multi-channel video backup method of claim 14, wherein the video backup file generated for each channel comprises one or more of a timeline database, a key frame index database, a video frame header and video data, an audio frame header and audio data, a metadata header and metadata, and a still image header and a still image file. ### Claim 16 (depends on 14) The event-oriented multi-channel video backup method of claim 14, wherein the video playback software player is operated in a mode, among a plurality of modes, according to a user's selection, the plurality of modes comprising a sequential playback mode, a simultaneous playback mode, a same-period playback mode, and an individual-time playback mode. ### Claim 17 A video backup device comprising: an event-oriented channel-wise video backup file, generated according to a search result performed on channel-wise video information received from a surveillance camera; and a video playback software player configured to play back an event-based video selected by combining one or more pieces of information included in the event-oriented channel-wise video backup file, wherein the one or more pieces of information comprise a still image and metadata corresponding to the channel-wise video information. ### Claim 18 (depends on 17) The video backup device of claim 17, wherein the metadata comprises one or more of detection information, identification information, location information, and time information of an object captured by the surveillance camera, and the still image is selected as a still image suitable for a specific object in video data captured by the surveillance camera. ### Claim 19 (depends on 17) The video backup device of claim 17, wherein the event-oriented channel-wise video backup file comprises: basic information including one or more format version information, creator information, basic information of an original camera list, and start offset position information of recorded data in a file; and detailed information including one or more of a timeline database, a key frame index database, a video frame header and video data, an audio frame header and audio data, a metadata header and metadata, and a still image header and a still image file. ### Claim 20 (depends on 17) The video backup device of claim 17, wherein the video playback software player is operated in a mode, among a plurality of modes, according to a user's selection, the plurality of modes comprising a sequential playback mode, a simultaneous playback mode, a same-period playback mode, and an individual-time playback mode.