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申请号:201911303350.4 公开号:CN110929084A 主分类号:G06F16/583
摘要:【中文】本发明提供了一种图像形状特征描述符的获取方法及装置。其中方法包括步骤:S1,对图像色块连通域轮廓线平滑处理,获取平滑线向区间边界心轮线及相关数据;S2,将平滑线向区间的边界心轮线的起点、终点和图像重心点坐标按照预设标准像素尺寸进行坐标转换;S3,获取转换后线向区间边界心轮线的线长比例数和线向区间角度数比例数、转换后心心线线长比例数和心心线角度数比例数;S4,对上述的比例数进行数值区间分类,生成图像形状特征描述符。装置包括第一获取模块、转换模块、第二获取模块、生成模块。该方法及装置可提高图像检索的查全率、查准率,增强图像识别检索中相同或近似图像的匹配效果,且计算量较小、处理速度快。 【EN】The invention provides a method and a device for acquiring an image shape feature descriptor. The method comprises the following steps: s1, smoothing the contour line of the connected domain of the color block of the image, and acquiring a contour line of the boundary of the smooth line to the interval and related data; s2, converting coordinates of a starting point, an end point and an image gravity center point of a boundary center wheel line of the interval from the smooth line according to the size of a preset standard pixel; s3, acquiring the line length proportion number and the line interval angle proportion number of the converted line to the interval boundary heart wheel line, and the line length proportion number and the heart center angle proportion number of the converted heart center line; s4, performs numerical interval classification on the above-mentioned scale numbers, and generates an image shape feature descriptor. The device comprises a first acquisition module, a conversion module, a second acquisition module and a generation module. The method and the device can improve the recall ratio and the precision ratio of image retrieval, enhance the matching effect of the same or similar images in image identification retrieval, and have smaller calculated amount and high processing speed.
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申请号:201911403354.X 公开号:CN111045183A 主分类号:G02B7/04
摘要:【中文】本申请公开了一种变焦镜头、成像模组和电子设备。变焦镜头包括壳体、第一透镜组件、第二透镜组件、第三透镜组件和间隔组件。壳体包括基板和设置在基板上的侧板。第一透镜组件、第二透镜组件和第三透镜组件设置在壳体内并沿物侧至像侧排列。当变焦镜头进行短焦状态和长焦状态的切换时,第一透镜组件相对变焦镜头的成像面保持固定,第二透镜组件和第三透镜组件沿着变焦镜头的光轴相对成像面移动。间隔组件设置在第二透镜组件与侧板之间和/或第三透镜组件与侧板之间。本申请实施方式的变焦镜头、成像模组和电子设备可以在提高成像质量的同时减少摄像头的占用空间,且有效降低噪音。 【EN】The application discloses a zoom lens, an imaging module and an electronic device. The zoom lens includes a housing, a first lens assembly, a second lens assembly, a third lens assembly, and a spacer assembly. The housing includes a base plate and a side plate disposed on the base plate. The first lens assembly, the second lens assembly and the third lens assembly are arranged in the shell from the object side to the image side. When the zoom lens is switched between the short-focus state and the long-focus state, the first lens assembly is kept fixed relative to an imaging surface of the zoom lens, and the second lens assembly and the third lens assembly move relative to the imaging surface along an optical axis of the zoom lens. A spacer assembly is disposed between the second lens assembly and the side plate and/or between the third lens assembly and the side plate. The zoom lens, the imaging module and the electronic equipment can improve imaging quality and reduce occupied space of the camera, and noise is effectively reduced.
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申请号:201911382563.0 公开号:CN110989141A 主分类号:G02B13/00
摘要:【中文】本申请公开一种镜头、成像模组和电子设备。镜头包括反射棱镜及多个透镜组,反射棱镜用于将第一方向的入射光朝第二方向反射至多个透镜组,第一方向与第二方向不同。反射棱镜为相对于截面呈三角形的棱镜切除了远离进光口的一角的结构。本申请的镜头、成像模组和电子设备通过设置相对于截面呈三角形的棱镜切除了远离进光口的一角的反射棱镜,在保证反射面积的同时减小尺寸及重量,从而能实现镜头的轻量化。 【EN】The application discloses camera lens, imaging module and electronic equipment. The lens comprises a reflection prism and a plurality of lens groups, wherein the reflection prism is used for reflecting incident light in a first direction to the lens groups in a second direction, and the first direction is different from the second direction. The reflecting prism is a structure that a corner far away from the light inlet is cut relative to a prism with a triangular section. The utility model provides a camera lens, imaging module and electronic equipment cut away the reflection prism of keeping away from the one corner of light inlet for the prism of cross-section triangle-shaped through setting up, reduce size and weight when guaranteeing reflection area to can realize the lightweight of camera lens.
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申请号:201911417933.X 公开号:CN111175952A 主分类号:G02B15/14
摘要:【中文】本申请公开一种变焦镜头、相机模组和电子装置。变焦镜头包括包括壳体、第一透镜组件、第二透镜组件、第三透镜组件和驱动芯片。第一透镜组件、第二透镜组件和第三透镜组件设置在壳体内。驱动芯片包括第一控制端和第二控制端,第一控制端与第二透镜组件连接以用于控制第二透镜组件沿光轴相对第一透镜组件移动;第二控制端与第三透镜组件连接以用于控制第三透镜组件沿光轴相对第一透镜组件移动;驱动芯片的有效控制位大于或等于预定数值,以使得所述变焦镜头的最小移动单位符合预定移动精度。本申请实施方式的变焦镜头中,驱动芯片的有效控制位大于或等于预定数值,可实现变焦镜头的透镜组件在变焦时高精度的移动。 【EN】The application discloses a zoom lens, a camera module and an electronic device. The zoom lens comprises a shell, a first lens assembly, a second lens assembly, a third lens assembly and a driving chip. The first lens assembly, the second lens assembly, and the third lens assembly are disposed within the housing. The driving chip comprises a first control end and a second control end, and the first control end is connected with the second lens assembly and used for controlling the second lens assembly to move relative to the first lens assembly along the optical axis; the second control end is connected with the third lens component and is used for controlling the third lens component to move along the optical axis relative to the first lens component; the effective control bit of the driving chip is larger than or equal to a preset value, so that the minimum moving unit of the zoom lens accords with preset moving precision. In the zoom lens according to the embodiment of the application, the effective control bit of the driving chip is greater than or equal to the predetermined value, so that the lens assembly of the zoom lens can move with high precision during zooming.
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申请号:201911417951.8 公开号:CN111158103A 主分类号:G02B7/04
摘要:【中文】本申请公开一种变焦镜头、相机模组和电子装置。变焦镜头包括壳体、第一透镜组件、第二透镜组件、第三透镜组件和第一驱动芯片。第一驱动芯片包括第一控制端、第二控制端、第三控制端和第四控制端,第一控制端和第二控制端分别控制第二透镜组件和第三透镜组件相对第一透镜组件移动,以实现变焦镜头的变焦;第三控制端用于在第一目标焦距下,控制第三透镜组件相对第一透镜组件移动以实现变焦镜头的对焦;第四控制端用于在第二目标焦距下,控制第三透镜组件相对第一透镜组件移动以实现变焦镜头的对焦,第一目标焦距和第二目标焦距不相同。变焦镜头在驱动芯片有效控制位较少的情况下,通过单独的控制端实现对焦的控制,保证了对焦的移动精度。 【EN】The application discloses a zoom lens, a camera module and an electronic device. The zoom lens comprises a shell, a first lens assembly, a second lens assembly, a third lens assembly and a first driving chip. The first driving chip comprises a first control end, a second control end, a third control end and a fourth control end, and the first control end and the second control end respectively control the second lens assembly and the third lens assembly to move relative to the first lens assembly so as to realize zooming of the zoom lens; the third control end is used for controlling the third lens component to move relative to the first lens component under the first target focal length so as to realize the focusing of the zoom lens; the fourth control end is used for controlling the third lens component to move relative to the first lens component under the second target focal length so as to realize the focusing of the zoom lens, and the first target focal length is different from the second target focal length. The zoom lens realizes focusing control through an independent control end under the condition that the effective control bits of the driving chip are less, and the focusing moving precision is guaranteed.
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申请号:201911425353.5 公开号:CN111194075A 主分类号:H04W52/14
申请人:【中文】联想(北京)有限公司【EN】Lenovo (Beijing) Co.,Ltd. 申请日:2019.12.31 公开日:2020.05.22
摘要:【中文】本公开提供了一种终端设备控制发射功率的方法,包括:获取通信模式和发射频段;根据通信模式和所述发射频段,确定标准发射功率上限;根据第一发射功率上限,发射至少一个控制面数据,其中,第一发射功率上限大于标准发射功率上限;以及在确定至少一个控制面数据发射完成的情况下,根据第二发射功率上限,发射除控制面数据之外的其他数据,其中,第二发射功率上限小于标准发射功率上限。本公开还提供了一种控制发射功率的装置、一种电子设备以及一种介质。 【EN】The present disclosure provides a method for controlling transmission power by a terminal device, including: acquiring a communication mode and a transmitting frequency band; determining a standard transmitting power upper limit according to a communication mode and the transmitting frequency band; transmitting at least one control plane data according to a first upper transmission power limit, wherein the first upper transmission power limit is greater than a standard upper transmission power limit; and transmitting other data except the control plane data according to a second upper transmission power limit under the condition that the transmission of the at least one control plane data is determined to be completed, wherein the second upper transmission power limit is smaller than the standard upper transmission power limit. The present disclosure also provides an apparatus for controlling transmission power, an electronic device, and a medium.
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申请号:201911396455.9 公开号:CN111123490A 主分类号:G02B15/16
摘要:【中文】本申请公开了一种变焦镜头、成像模组和电子设备。变焦镜头的透镜组的光轴上且沿远离所述反射棱镜的方向上依次设有第一透镜组、第二透镜组和第三透镜组。当变焦镜头从短焦切换为长焦时,第二透镜组在光轴上的位置相对固定,第一透镜组和第三透镜组沿光轴朝变焦镜头的物侧移动;当变焦镜头从长焦切换为短焦时,第二透镜组在光轴上的位置相对固定,第一透镜组和第三透镜组沿光轴朝变焦镜头的像侧移动。变焦镜头还包括设置在光轴上的微透镜阵列。本申请实施方式的变焦镜头、成像模组和电子设备无需在电子设备中安装多个摄像头即可实现光学变焦,提高了成像质量的同时减少了摄像头的占用空间,节省了成本,并且可以有效降低变焦镜头的光学总长。 【EN】The application discloses a zoom lens, an imaging module and an electronic device. And a first lens group, a second lens group and a third lens group are sequentially arranged on the optical axis of the lens group of the zoom lens along the direction far away from the reflection prism. When the zoom lens is switched from short focus to long focus, the position of the second lens group on the optical axis is relatively fixed, and the first lens group and the third lens group move towards the object side of the zoom lens along the optical axis; when the zoom lens is switched from a long focus to a short focus, the position of the second lens group on the optical axis is relatively fixed, and the first lens group and the third lens group move along the optical axis toward the image side of the zoom lens. The zoom lens further includes a microlens array disposed on the optical axis. According to the zoom lens, the imaging module and the electronic equipment, optical zooming can be achieved without installing a plurality of cameras in the electronic equipment, the occupied space of the cameras is reduced while the imaging quality is improved, the cost is saved, and the total optical length of the zoom lens can be effectively reduced.
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申请号:201911393573.4 公开号:CN111147724A 主分类号:H04N5/225
摘要:【中文】本申请公开了一种图像传感器。图像传感器包括封装体、感光件及接触端子;封装体包括沿第一方向延伸的长边及沿第二方向延伸的宽边,长边的长度大于所述宽边的长度;感光件封装在封装体上,感光件用于接收光线以产生电信号;接触端子与感光件电连接,接触端子设置在封装体上,接触端子与感光件沿第一方向并排设置,接触端子在宽边上的正投影位于感光件在宽边上的正投影内。本申请还公开了一种成像模组及终端。接触端子与感光件沿第一方向并排设置,接触端子在宽边上的正投影位于感光件在宽边上的正投影内,设置接触端子不会额外增加图像传感器的宽度,减小了图像传感器在第二方向的长度尺寸,利于实现成像模组的小型化及利于成像模组在终端中的安装和布局。 【EN】The application discloses an image sensor. The image sensor comprises a packaging body, a photosensitive piece and a contact terminal; the packaging body comprises a long edge extending along a first direction and a wide edge extending along a second direction, and the length of the long edge is greater than that of the wide edge; the light sensing piece is packaged on the packaging body and used for receiving light rays to generate an electric signal; the contact terminal is electrically connected with the photosensitive piece, the contact terminal is arranged on the packaging body, the contact terminal and the photosensitive piece are arranged side by side along the first direction, and the orthographic projection of the contact terminal on the wide side is positioned in the orthographic projection of the photosensitive piece on the wide side. The application also discloses an imaging module and a terminal. Contact terminal sets up side by side along first direction with the sensitization piece, and contact terminal orthographic projection on the broadside is located the orthographic projection of sensitization piece on the broadside, sets up contact terminal can not additionally increase image sensor's width, has reduced image sensor's length dimension in the second direction, does benefit to the miniaturization that realizes imaging module and does benefit to imaging module's installation and overall arrangement in the terminal.
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申请号:201911379607.4 公开号:CN111093018A 主分类号:H04N5/225
摘要:【中文】本申请公开了一种成像模组。成像模组包括透镜组及图像传感器,图像传感器包括感光区,感光区包括图像输出区,图像输出区为感光区的一部分,图像输出区的面积小于感光区的面积,图像输出区用于接收光线以输出图像;穿过透镜组的光线在图像传感器上的投射范围为成像区,图像输出区位于成像区内,感光区至少部分位于成像区外。本申请还公开了一种终端。成像区覆盖图像输出区,可以通过图像输出区的信号值输出图像,成像区不需要覆盖全部感光区,使得透镜组的尺寸设计得较小也能满足通过图像输出区输出图像的需求,利于实现成像模组的小型化及利于成像模组在终端中的安装和布局。 【EN】The application discloses imaging module. The imaging module comprises a lens group and an image sensor, the image sensor comprises a photosensitive area, the photosensitive area comprises an image output area, the image output area is a part of the photosensitive area, the area of the image output area is smaller than that of the photosensitive area, and the image output area is used for receiving light rays to output an image; the projection range of the light rays passing through the lens group on the image sensor is an imaging area, the image output area is positioned in the imaging area, and at least part of the photosensitive area is positioned outside the imaging area. The application also discloses a terminal. The imaging area covers the image output area, images can be output through the signal value of the image output area, and the imaging area does not need to cover all the photosensitive areas, so that the size of the lens group is designed to be small, the requirement for outputting the images through the image output area can be met, and the miniaturization of the imaging module and the installation and layout of the imaging module in the terminal are facilitated.
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申请号:201911389557.8 公开号:CN111071707A 主分类号:B65G23/44
摘要:【中文】本发明提出了一种用于摆动式提升机链条张紧的可伸缩中间节,该可伸缩中间节安装于提升机的非标中间机壳与尾部机壳之间,所述可伸缩中间节包括伸缩节上部、伸缩节下部、折叠组件和辅助拉力缓冲装置,所述伸缩节上部与伸缩节下部活动连接,所述伸缩节上部、伸缩节下部之间连接有可伸缩的折叠组件,所述辅助拉力缓冲装置包括丝杆、调整螺母、蝶形弹簧、上支撑架和下支撑架,所述上支撑架固定于伸缩节上部的外壁,所述下支撑架固定于伸缩节下部的外壁,所述丝杆的两端分别通过调整螺母与上支撑架、下支撑架相连,所述调整螺母与上支撑架、下支撑架之间设有蝶形弹簧,能够解决输送链的张紧问题,并且在允许范围内最大程度缩小尾部外形尺寸。 【EN】The invention provides a telescopic middle joint for tensioning a chain of a swing type elevator, which is arranged between a non-standard middle shell and a tail shell of the elevator, the telescopic middle joint comprises a telescopic joint upper part, a telescopic joint lower part, a folding assembly and an auxiliary tension buffering device, the telescopic joint upper part is movably connected with the telescopic joint lower part, the telescopic folding assembly is connected between the telescopic joint upper part and the telescopic joint lower part, the auxiliary tension buffering device comprises a screw rod, an adjusting nut, a belleville spring, an upper supporting frame and a lower supporting frame, the upper supporting frame is fixed on the outer wall of the telescopic joint upper part, the lower supporting frame is fixed on the outer wall of the telescopic joint lower part, two ends of the screw rod are respectively connected with the upper supporting frame and the lower supporting frame through the adjusting nut, the belleville spring is arranged between the adjusting nut and the, the tensioning problem of the conveying chain can be solved, and the tail outer dimension can be reduced to the maximum extent within an allowable range.
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