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31. 发明申请

WO2019080826A9 SYSTEMS AND METHODS FOR MULTIMEDIA SIGNAL PROCESSING AND TRANSMISSION 审中-公开
公开(公告)号：WO2019080826A9
公开(公告)日：2019-05-02
申请号：PCT/CN2018/111361
申请日：2018-10-23
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： DU, Zhaosheng , CUI, Genqiang , LYU, Bingyun , FANG, Wei
IPC分类号： H04L29/06 , H04N5/04 , H04N7/18 , H04N19/172 , H04N19/436
摘要： The present disclosure relates to systems and methods for signal transmission. The systems and methods may receive a composite multimedia signal, wherein the composite multimedia signal may be encoded in a frame format including an active zone and a blanking zone. The composite multimedia signal may be associated with a plurality of multimedia signals acquired by a plurality of acquisition devices. The systems and methods may insert one or more control signals in a predetermined section of the blanking zone. The systems and method may further transmit the one or more control signals to one or more target acquisition devices of the plurality of acquisition devices via a transmission medium.

32. 发明申请

WO2019057170A1 METHODS AND SYSTEMS FOR IMAGE CAPTURE 审中-公开
公开(公告)号：WO2019057170A1
公开(公告)日：2019-03-28
申请号：PCT/CN2018/107035
申请日：2018-09-21
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： LU, Erli , ZHAO, Jun , DING, Naiying , CHEN, Mingzhu , XU, Zhiyong
IPC分类号： H04N5/235 , H04N5/243
摘要： The present disclosure relates to image capture systems and methods. The image capture method may include obtaining first color image data including color information with an infrared light source off. The image capture method may also include obtaining first luminance image data including luminance information with the infrared light source on. The image capture method may also include generating a first enhanced image based on the first color image data and the first luminance image data.

33. 发明申请

WO2019057152A1 OPTICAL AMPLIFIER AND IMAGE CAPTURING DEVICE 审中-公开
公开(公告)号：WO2019057152A1
公开(公告)日：2019-03-28
申请号：PCT/CN2018/106943
申请日：2018-09-21
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： HU, Jing , XIA, Ruobin , ZHANG, Jie
IPC分类号： H01L27/146
摘要： The present disclosure relates to an optical amplifier configured for an image capturing device. The optical amplifier may include a substrate. The optical amplifier may also include an optical amplification region formed over the substrate. The optical amplification region may include a first optical amplification layer and a second optical amplification layer. The first optical amplification layer may be configured to amplify light at a first wavelength range, and the second optical amplification layer may be configured to amplify light at a second wavelength range. The optical amplifier may further include at least one electrode layer electrically contacting the optical amplification region.

34. 发明申请

WO2019015464A1 SYSTEMS AND METHODS FOR BLOCKING A TARGET IN VIDEO MONITORING 审中-公开
公开(公告)号：WO2019015464A1
公开(公告)日：2019-01-24
申请号：PCT/CN2018/093678
申请日：2018-06-29
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： GU, Zhengyi , ZHANG, Xiaobo , LI, Yiwei , YE, Chongyuan
IPC分类号： G03B11/04 , H04N5/265
摘要： The present disclosure relates to systems and methods for generating an occlusion region in an image. The system includes a plurality of imaging devices, a storage device and at least one processor in communication with the storage device, wherein each of the plurality of imaging devices is configured to capture a component image presenting a scene. When executing the instructions, the at least one processor is configured to cause the system to determine a first occlusion region in an image formed based on at least one component image. The at least one processor is configured to determine how to generate a second occlusion region in at least one of the plurality of component images based on the area of the first occlusion region and an area threshold.

35. 发明申请

WO2018223882A1 METHODS AND DEVICES FOR PROCESSING IMAGES OF TRAFFIC LIGHT 审中-公开
公开(公告)号：WO2018223882A1
公开(公告)日：2018-12-13
申请号：PCT/CN2018/089162
申请日：2018-05-31
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： JIANG, Xiaotao
IPC分类号： G06K9/00 , G06T5/50
摘要： A system and a method for processing images are provided. The method obtaining a first image of a target scene under a first exposure time, wherein the target scene may be related to a light status of a light; obtaining a second image of the target scene under a second exposure time; and generating a target image by adjusting the light status in the first image based on the light status in the second image. The method may further include operations to determine whether a predefined light effect exists in the obtained image of the light. Such operations may include: obtaining a light status of a light; obtaining an image of the light in the light status; determining, at least based on the obtained light status of the light, whether a predefined light effect exists in the obtained image of the light.

36. 发明申请

WO2018166277A1 SYSTEMS AND METHODS FOR IDENTIFYING FORMALITY STANDARD 审中-公开
公开(公告)号：WO2018166277A1
公开(公告)日：2018-09-20
申请号：PCT/CN2017/119704
申请日：2017-12-29
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： LI, Haoran , CUI, Genqiang , LYU, Bingyun
IPC分类号： H04N17/00 , H04N7/01
摘要： The present disclosure relates to a system and method. The system includes: a storage device storing a set of instructions; and one or more processors in communication with the storage device. When executing the set of instructions, the one or more video processors: synchronize a signal with a first PN sequence, wherein the signal includes a plurality of second PN sequences, marked as 0 PN sequence, 1 PN sequence, …, (k-1) PN sequence, k sequence, wherein k is a positive integer number; determine that the signal is synchronized with the first PN sequence; determine a first target distance between the (k-1) PN sequence and the k sequence; and determine a formality standard of the signal based on the first target distance.

37. 发明申请

WO2018126962A1 SYSTEMS AND METHODS FOR ENHANCING EDGES IN IMAGES 审中-公开
公开(公告)号：WO2018126962A1
公开(公告)日：2018-07-12
申请号：PCT/CN2017/118936
申请日：2017-12-27
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： LI, Wei , YU, Junjun , FANG, Wei
IPC分类号： G06T5/00
摘要： A method configured to be implemented on at least one image processing device for enhancing edges in images includes obtaining, by the at least one imaging processing device, image data of an image, wherein the image includes a plurality of pixels, and each of the plurality of pixels has a luminance value and a motion intensity value. The method also includes performing at least one filtering operation to the image to obtain, by the at least one imaging processing device, one or more filtered values for each pixel. The method further includes performing a first logical operation to the one or more filtered values of each pixel in the image to obtain, by the at least one imaging processing device, an edge value and an edge enhancement coefficient for each pixel in the image. The method still further includes performing a second logical operation to the luminance value and the motion value of each pixel to obtain, by the at least one imaging processing device, an enhancement adjusting coefficient for each pixel in the image, wherein the enhancement adjusting coefficient is associated with the edge enhancement coefficient. The method still further includes adjusting, by the at least one imaging processing device, the luminance value of each pixel based on at least one of the type, the edge enhancement coefficient, and the enhancement adjusting coefficient of each pixel.

38. 发明申请

WO2018121313A1 SYSTEMS AND METHODS FOR EXPOSURE CONTROL 审中-公开
公开(公告)号：WO2018121313A1
公开(公告)日：2018-07-05
申请号：PCT/CN2017/116728
申请日：2017-12-17
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： ZHOU, Yanfen , PAN, Runfa , LI, Liangcheng , HUANG, Qianfeng , LU, Erli , CHEN, Mingzhu
IPC分类号： H04N5/235
摘要： The present disclosure relates to systems and methods for exposure control. The systems and methods may obtain a target frame brightness value of the image. The systems and methods may also obtain an exposure mode of the electronic device. The systems and methods may also obtain an exposure table corresponding to the exposure mode. The systems and methods may also determine a target value, corresponding to the target frame brightness value, for each of the one or more exposure parameters based on the exposure table. The systems and methods may also adjust one or more of the at least one lens, the at least one exposure-time controller, and the at least one sensor according to the target values of the one or more exposure parameters.

39. 发明申请

WO2018019206A1 SYSTEMS AND METHODS FOR CHANGING OPERATION MODES OF THE OPTICAL FILTER OF AN IMAGING DEVICE 审中-公开
标题翻译：用于改变成像设备的光学滤波器的操作模式的系统和方法
公开(公告)号：WO2018019206A1
公开(公告)日：2018-02-01
申请号：PCT/CN2017/094116
申请日：2017-07-24
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： WANG, Tingniao
IPC分类号： H04N5/232 , G03B17/14 , H04N5/225
CPC分类号： H04N5/238 , G03B7/091 , G03B7/0997 , G03B7/14 , H04N5/2254 , H04N5/23245 , H04N5/2351 , H04N5/332 , H04N9/07 , H04N9/64
摘要： A system includes a storage device storing a set of instructions and at least one processor in communication with the storage device. When executing the instructions, the at least one processor is configured to cause the system to obtain a first operation mode of the optical filter and determine a brightness value of visible light of ambient light. The at least one processor may also cause the system to obtain a brightness threshold related to the first operation mode, compare the brightness value of the visible light of the ambient light with the brightness threshold, and determine whether a switching condition is satisfied based on the comparison result. Upon the determination that the switching condition is satisfied, the at least one processor may further cause the system to switch the first operation mode of the optical filter to a second operation mode.
摘要翻译：系统包括存储一组指令的存储装置和与存储装置通信的至少一个处理器。当执行所述指令时，所述至少一个处理器被配置为使所述系统获得所述光学滤波器的第一操作模式并且确定环境光的可见光的亮度值。所述至少一个处理器还可以使得所述系统获得与所述第一工作模式相关的亮度阈值，将所述环境光的可见光亮度值与所述亮度阈值进行比较，并基于所述亮度阈值判断是否满足切换条件比较结果。在确定切换条件被满足时，至少一个处理器可以进一步使得系统将光学滤波器的第一操作模式切换到第二操作模式。

40. 发明申请

WO2018014787A1 METHODS, SYSTEMS, AND MEDIA FOR TRANSMITTING DATA IN A VIDEO SIGNAL 审中-公开
标题翻译：用于在视频信号中传输数据的方法，系统和媒体
公开(公告)号：WO2018014787A1
公开(公告)日：2018-01-25
申请号：PCT/CN2017/092916
申请日：2017-07-14
申请人： ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
发明人： LV, Bingyun , FANG, Wei , YAO, Weizhong
IPC分类号： H04L1/00
摘要： The present disclosure relates to systems and methods for transmitting data in a video signal. The systems may perform the methods to generate a data frame, wherein the data frame may include at least a frame header and frame data, the frame header may include at least one autocorrelation and cross-correlation sequence; insert the data frame into an area of a video signal, wherein the inserted area of the video signal is not an area of line and field synchronization or an area of effective video; transmit the video signal having the data frame to another device.
摘要翻译：本公开涉及用于在视频信号中传输数据的系统和方法。系统可以执行生成数据帧的方法，其中数据帧可以至少包括帧头和帧数据，帧头可以包括至少一个自相关和互相关序列; 将数据帧插入视频信号的区域，其中视频信号的插入区域不是行和场同步区域或有效视频区域; 将具有数据帧的视频信号传输到另一个设备。

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