baber/WOPTO huggingface dataset:
Patent WO-2020087732-A1 (WO)
Inventor: LI LU
IPC: G06T5/00
Filed: 2018-12-26
Abstract: Provided by the present invention is a neural network-based method for vein and artery identification, comprising: inputting an ultrasound image to be identified into a neural network model for processing; obtaining position information of a vein and an artery from said ultrasound image by means of the neural network model; and marking the vein and the artery differently according to the obtained position information and generating an ultrasound image comprising a vein mark and an artery mark. The present invention is used for automatically identifying arteries and veins in an ultrasound image. The described method is safe and efficient, may help doctors improve the accuracy of diagnosis, better assist doctors in identifying arteries and veins, and further assist doctors in performing venipuncture. Also provided by the present invention is a system for identifying a vein and an artery on the basis of a neural network.
Patent WO-2020118786-A1 (WO)
Inventor: YU XUEFENG
IPC: B01J27/185
Filed: 2018-12-28
Abstract: 提供一种铂/磷催化剂及其制备方法和应用。所述铂/磷催化剂是由以下的制备方法制得的：1)铂碳催化剂的合成：将碳载体、表面活性剂、碱和溶剂混合，得到基底混合液；再将基底混合液、还原剂和铂盐溶液混合反应，得到的固体产物为铂碳催化剂；2)铂碳催化剂的磷化：将铂碳催化剂、磷源和有机溶剂混合反应，得到的固体产物为铂/磷催化剂。所述铂/磷催化剂作为电催化剂应用在电化学析氢中。和现有的技术相比，所述制备方法可在低温低压甚至常温常压下达到调控金属铂表面电子结构调控的作用，从而得到一种合成简易，过程方便，成本低廉的高效电催化材料。
Patent WO-2020087758-A1 (WO)
Title: 异常流量数据识别方法、装置、计算机设备和存储介质
Inventor: SUN JIADI
IPC: H04L29/06
Filed: 2018-12-29
Abstract: 一种异常流量数据识别方法、装置、计算机设备和存储介质。该方法包括：对于包含多个流量数据样本的样本集，根据样本集中的各流量数据样本的自变量和对应的因变量，使用逻辑斯蒂函数拟合从自变量得到因变量的函数（110）；基于拟合后函数确定与异常流量识别指标对应的权重（120）；基于所述权重确定候选流量数据负样本的异常流量识别指标值的加权和（130），所述候选流量数据负样本是根据预定规则得到的从中产生异常流量数据的样本；如果所述加权和大于加权和阈值，则将该候选流量数据负样本识别为异常流量数据（140）。此方法下，充分考虑了多个异常流量识别指标在识别异常流量数据过程中重要性的不同，提高了识别异常流量的准确性。
Patent WO-2020150847-A1 (WO)
Inventor: LI LUYING
IPC: A41D15/04
Filed: 2019-12-24
Abstract: The present invention relates to a drawing-board backpack dual-use garment, comprising a garment body which can be used as a bag front body and bag rear body of a drawing-board backpack; in the direction of the garment body the neckline of said garment body is provided with a closable opening (701) for a drawing board to be inserted or removed; the lower part of the garment body is provided with a fifth connecting member (204) which can connect the lower part of the garment body together to form the bottom of the backpack, and/or comprises a first decoration which can be used as the bottom of the backpack; said first decoration can be connected to the lower part of the garment body, and can be used as a detachable second decoration of a backpack strap (205). In the present invention, the garment is designed as a structure which can transform into a drawing backpack, greatly improving the convenience of people's lives.
Patent WO-2019169979-A1 (WO)
Title: 一种影视作品的制作方法、装置及设备
Inventor: SHAO SHUAI
IPC: G06F16/70
Filed: 2019-01-28
Abstract: 本说明书公开一种影视作品的制作方法、装置及设备，该方法中可以通过预先训练的分析模型，对用户输入的影视元素进行分析，以确定出影视元素对应的特征属性，而后，从预先收集的各视频素材中筛选出与确定出的影视元素对应的特征属性相匹配的视频素材，进而通过预先训练出的制作模型以及确定出的影视元素对应的特征属性，对筛选出的视频素材进行编排，得到影视作品。
Patent WO-2020133629-A1 (WO)
Inventor: TANG LI
IPC: G09G3/36
Filed: 2019-01-29
Abstract: 本申请公开了一种显示装置的检修方法、驱动方法及显示装置，显示面板(110)上设有被相互独立的第一帧起始信号L_STV和第二帧起始信号R_STV分别控制的第一屏栅极驱动电路(121)和第二屏栅极驱动电路(122)。
Patent WO-2020154949-A1 (WO)
Inventor: CHEN JING
IPC: G06F3/041
Filed: 2019-01-30
Abstract: 本发明提供一种触控装置(10)、电子设备(1)、触控装置制备方法及加压治具(2000)，所述触控装置(10)包括触控基板(100)，所述触控基板(100)具有相对设置的内表面(100a)和外表面(100b)，所述内表面(100a)为曲面，所述内表面(100a)的一侧设置有拉伸层(200)，所述拉伸层(200)的一侧设置有触控图案(300)，所述拉伸层(200)可产生变形，以将所述触控图案(300)连接于所述触控基板(100)，所述外表面(100b)构成所述触控装置(10)的触控接触面。本申请的技术方案可以在三维曲面结构上实现触控功能。
Patent WO-2020164128-A1 (WO)
Title: Commande de rétroaction de retransmission
Inventor: TAO TAO
IPC: H04L1/18
Filed: 2019-02-15
Abstract: Des modes de réalisation de la présente invention concernent une rétroaction de demande de répétition automatique hybride (HARQ). Dans des modes de réalisation donnés à titre d'exemple, le procédé consiste à sélectionner, au niveau d'un dispositif réseau, un mode de rétroaction de retransmission entre un premier mode de rétroaction et un second mode de rétroaction, le premier mode de rétroaction étant utilisé pour une rétroaction de niveau bloc de transmission pour un dispositif terminal, et le second mode de rétroaction étant utilisé pour une combinaison de rétroaction de niveau groupe de bloc de code et de niveau TB pour le dispositif terminal; générer des informations de commande au moins en partie sur la base du mode de rétroaction de retransmission; et transmettre les informations de commande au dispositif terminal. De cette manière, le surdébit de la rétroaction de retransmission sera réduit et la flexibilité de la rétroaction de retransmission peut être améliorée.
Patent WO-2020168480-A1 (WO)
Inventor: LI YUEMING
IPC: B26B9/02
Filed: 2019-02-20
Abstract: 一种刮刀（100）具有刀片（102），刀片（102）至少有一个刃口，刃口中至少有一个为多弧段刃口（10204），多弧段刃口（10204）刃口为变直径的刃口。刀片刃口设计成多弧段刃，克服了现有技术中平面刃无法在凹凸不平的地方操作的问题，拓宽了单弧面刃的应用范围，清洁效果更佳。
Patent WO-2019205788-A1 (WO)
Title: Data storage method, storage server and cloud storage system
Inventor: WANG WEI
IPC: G06F11/10
Filed: 2019-02-21
Abstract: The embodiments of the present application provide a data storage method, a storage server and a cloud storage system. The data storage method is used for a cloud storage system comprising a plurality of storage servers and at least one index server. Said method comprises: acquiring stored various data slices of key video data by means of a storage server according to acquired data information of key video data sent by an index server; using a second erasure code algorithm and the various data slices of the key video data to obtain a second preset number of pieces of second redundant data of the key video data, the second preset number being greater than a first preset number; and storing the second redundant data in various storage servers, respectively. Compared to the traditional storage manner of backup, by increasing the number of pieces of redundant data of the key video, the present invention solves the problem that the storage space cost and the data security protection performance cannot be considered at the same time in cases where the data security protection performance is improved by means of backup.
Patent WO-2019174578-A1 (WO)
Title: Method and device for sending packet matching information, method and device for receiving packet matching information, storage medium and electronic device
Inventor: ZHAO YANJIE
IPC: H04L45/52
Filed: 2019-03-12
Abstract: Disclosed is a method for sending packet matching information, comprising: extracting, according to matching information signaling, from a packet received by an open flow exchange first matching information corresponding to the packet received by the open flow exchange, wherein the matching information instruction is an instruction indicated by an open flow controller after the open flow exchange performs matching information support capability negotiation with the open flow controller; and sending the extracted first matching information to the open flow controller. Also disclosed are a device for sending packet matching information, a method and device for receiving packet matching information, a storage medium and an electronic device.
Patent WO-2020029580-A1 (WO)
Inventor: YAN JIE
IPC: G05B13/04
Filed: 2019-03-14
Abstract: 本申请提供了一种训练用于生成自动驾驶策略的控制策略模型的方法和装置，首先利用低维训练数据确定隐特征空间和定义在该隐特征空间上的策略函数，随后以该隐特征空间为目标，监督将高维训练数据映射到该隐特征空间的编码器的训练，随后将该编码器和上述策略函数应用于真实交通环境，即，输入从真实交通环境中获取的高维数据，从而可以利用高维数据直接获得可用的自动驾驶策略。
Patent WO-2020155347-A1 (WO)
Title: Écran d'affichage à delo et son procédé de préparation
Inventor: YE JIAN
IPC: H01L51/56
Filed: 2019-03-26
Abstract: La présente invention concerne un écran d'affichage à DELO et son procédé de préparation. Pendant tout le processus d'évaporation d'une couche de film électroluminescente, une région dans laquelle un trou doit être ménagé dans une zone d'affichage n'est pas évaporée en continu jusqu'à n'importe quelle couche de film fonctionnelle électroluminescente, de cathode, et d'autre couche de film, moyennant quoi la fiabilité d'encapsulation de l'encapsulation en film mince au niveau de la région dans laquelle un trou doit être ménagé est augmentée. L'emplacement dans la zone d'affichage correspondant à un module de caméra comporte un trou circulaire, de telle sorte que le " sommet " d'un dispositif mobile intelligent est davantage rétréci, et l'écran se rapproche davantage d'un plein écran, ce qui permet d'obtenir un rapport écran-corps plus élevé.
Patent WO-2020082687-A1 (WO)
Title: File sharing method and apparatus based on cp-abe layered access control, and device and medium
Inventor: WANG SHULAN
IPC: H04L29/08
Filed: 2019-03-26
Abstract: The present invention is applicable to the technical field of ciphertext access control. Provided are a file sharing method and apparatus based on CP-ABE layered access control, and a device and a medium. The method comprises: when a file sharing request sent by a file owner is received, encrypting a set of files to be shared by means of a symmetric encryption algorithm and according to a content key set to obtain a file ciphertext set; encrypting the content key set by means of an encryption function and according to common parameters and an AND gate access control policy corresponding to an AND gate policy LSSS matrix to obtain a key ciphertext set corresponding to the content key set; and uploading the file ciphertext set and the key ciphertext set to a cloud server so as to realize cloud-end file sharing. Thus, while ciphertext layered access is realized by means of CP-ABE, the storage overhead, the communication overhead and the decryption computational complexity of a ciphertext are reduced, and the encryption efficiency, the decryption efficiency and the security degree of shared data are improved.
Patent WO-2019228045-A1 (WO)
Inventor: ZHU LIXIN
IPC: G09G3/20
Filed: 2019-03-28
Abstract: L'invention concerne un circuit de commande de synchronisation d'alimentation électrique (01), un procédé de commande, un circuit d'attaque d'affichage et un dispositif d'affichage. Le circuit de commande de synchronisation d'alimentation électrique (01) comprend : un sous-circuit de commande de retard (10), un sous-circuit de détection de retard (20) et un sous-circuit de sortie (30). Le sous-circuit de commande de retard (10) est connecté électriquement à une première borne de tension d'entrée (VIN1). Le sous-circuit de commande de retard (10) est conçu pour recevoir une première tension (V1) émise par la première borne de tension d'entrée (VIN1) et pour retarder et émettre la première tension (V1) selon une durée prédéterminée. Le sous-circuit de détection de retard (20) est connecté électriquement au sous-circuit de commande de retard (10) et au sous-circuit de sortie (30). Le sous-circuit de détection de retard (20) est conçu pour envoyer un signal de déclenchement (EM) au sous-circuit de sortie (30) lors de la réception de la première tension (V1). Le sous-circuit de sortie (30) est en outre connecté électriquement à la première borne de tension d'entrée (VIN1) et à une borne de sortie de signal (Vout). Le sous-circuit de sortie (30) est conçu pour être dans un état activé en réponse au signal de déclenchement (EM), de façon à émettre la première tension (V1) fournie par la première borne de tension d'entrée (VIN1) à la borne de sortie de signal (Vout) et permettre à la borne de sortie de signal d'émettre la première tension (V1). Le circuit de commande de synchronisation d'alimentation électrique (01) permet une commande plus précise de la synchronisation de sortie de la première tension (V1).
Patent WO-2020073618-A1 (WO)
Inventor: ZHAO SHUAI
IPC: F24F13/20
Filed: 2019-03-28
Abstract: 本申请公开一种空调室外机和空调器，其中，空调室外机包括：壳体，所述壳体开设有连通其内腔的第一安装口；和把手，所述把手安装于所述第一安装口，所述把手的内壁面形成有连通所述壳体的内腔以及外界的散热通道。本申请空调室外机提升了散热效果。
Patent WO-2020198940-A1 (WO)
Inventor: REN GUOBIN
IPC: A61K31/40
Filed: 2019-03-29
Abstract: Provided is a crystal form A of 2-(2,5-dioxopyrrolidin-1yl)ethylmethylfumarate. The crystal form has a good light irradiation stability, high-temperature stability and high-humidity stability.
Patent WO-2020057095-A1 (WO)
Inventor: MA BEIYUE
IPC: C04B35/573
Filed: 2019-03-29
Abstract: Provided is a method for preparing silicon carbide powder by using an induction furnace, comprising the following steps: step 1: performing high-temperature calcination of silicon-based solid material and crushing and sieving same to obtain a silicon-based clinker; step 2: according to a ratio of the silicon-based clinker to a reducing agent of 100:(10 to 45), mixing the two and ball milling to obtain a uniformly mixed material; step 3: (1) placing a small-sized graphite crucible in a large-sized graphite crucible and filling with natural graphite powder the place of contact between the two crucibles; (2) placing the uniformly mixed material into a small-sized graphite crucible, and covering the top end of the small graphite crucible pot with sufficient natural graphite powder; (3) placing the large-sized graphite crucible into the coil of the induction furnace and, at a temperature of 1300-1600°C, heating for 2 to 5 minutes to prepare silicon carbide powder made using an induction furnace.
Patent WO-2019185055-A1 (WO)
Inventor: CHEN ZHE
IPC: H04L5/00
Filed: 2019-03-29
Abstract: The present disclosure relates to wireless resource scheduling: a network side device determining a transmission length type of a first channel, and notifying a user equipment (UE), the network side device and the UE carrying out data transmission within a target time unit according to the transmission length type of the first channel.
Patent WO-2020034651-A1 (WO)
Title: Remote operation content synchronization system and method
Inventor: SHI YONGXIN
IPC: H04L29/08
Filed: 2019-04-15
Abstract: The present invention relates to the technical field of multimedia. In order to solve the problem of service performance loss in remote operations, the present invention provides a remote operation content synchronization system and method. The remote operation content synchronization system comprises a first terminal, a second terminal, and a server. The first terminal transmits an operation event generated on the basis of an operation acting on the first terminal interface, the operation event comprising an operation message and an operation type; multiple function modules are rendered on the first terminal interface. The server receives the operation event, and broadcasts the operation message, or stores and broadcasts the operation message, according to the operation type. The second terminal synchronizes the broadcast operation message; multiple function modules are rendered on the second terminal interface. The present invention alleviates the problem of service performance loss caused by high concurrent writes.
Patent WO-2020164194-A1 (WO)
Inventor: MA JIAN
IPC: A01G31/02
Filed: 2019-05-08
Abstract: 本发明涉及人工光栽培植物技术领域，具体提供了一种全人工光栽培植物的光环境方法，为植物生长提供全人工光源，所述光源包括波段为620-760nm的光波，所述620-760nm的光波光子数占整个光源光子数的比例为64-76％。本发明所采用的光源配比及光源组合方式，与传统的光源例如现有荧光灯、高压钠灯相比，能够大大提高植物的产量。本发明光源配比方案相对传统的LED灯光源配比方案，选取的光源波段更为精准，受其他植物生长参数影响小，在促进植物生长过程中更具有针对性，采用精准的光波的波段、峰值波长以及光量子占比的精准组合及配比，能够更加精准的对植物生长效果进行把控，从而促进植物生长。
Patent WO-2019223743-A1 (WO)
Inventor: WANG YUBIN
IPC: E04B1/348
Filed: 2019-05-23
Abstract: 一种装配式建筑的施工装置，施工装置（2）包括导向装置（3）、轨道装置（4）、行走起重装置（5）、行走支撑装置（6）、框架支撑装置（7）和立柱支撑装置（8），行走起重装置（5）通过横行走装置（5x）和纵行走装置（5y）实现起重机（5y-3）携带装配式建筑（1）的模块或部件沿X和Y方向运行。该施工装置结构简单，运行效率高。
Patent WO-2020237488-A1 (WO)
Title: Discontinuous reception method and apparatus, and electronic device and computer readable storage medium
Inventor: LI YANHUA
IPC: H04W52/02
Filed: 2019-05-27
Abstract: The present invention relates to a discontinuous reception method, comprising: monitoring a downlink channel according to a first monitoring parameter in a long cycle of discontinuous reception; determining a second monitoring parameter when entering a short cycle of discontinuous reception in the long cycle; and monitoring the downlink channel according to the second monitoring parameter in the short cycle; wherein the duration of each monitoring according to the second monitoring parameter is different from the duration of each monitoring according to the first monitoring parameter. According to embodiments of the present invention, the duration a user equipment monitors the downlink channel in the short cycle of discontinuous reception may be different from the duration the user equipment monitors the downlink channel in the long cycle of discontinuous reception when not entering the short cycle of discontinuous reception, and the present invention is convenient to flexibly configure the user equipment to monitor the downlink channel.
Patent WO-2019233452-A1 (WO)
Title: 光模块的温度补偿
Inventor: LI QING
IPC: G02B6/42
Filed: 2019-06-05
Abstract: 本公开提供一种光模块温度补偿方法。该方法包括：查找所述光模块的驱动芯片的指定管脚的当前第一状态对应的第一温度补偿表，从所述第一温度补偿表中获取与当前DDMI温度对应的补偿值进行温度补偿；当所述指定管脚从所述第一状态切换到第二状态时，获取所述第二状态对应的第二温度补偿表；确定所述第一温度补偿表中的与切换之前的DDMI温度对应的第一补偿值以及所述第二温度补偿表中的与切换之后的DDMI温度对应的第二补偿值：根据所述第一补偿值和所述第二补偿值之间的差值进行温度补偿。
Patent WO-2019238032-A1 (WO)
Inventor: SU JIN
IPC: G02C11/00
Filed: 2019-06-11
Abstract: 一种镜架结构及眼镜，镜架结构包括镜腿（31）以及与镜腿（31）连接的鼻托架（32），鼻托架（32）设有凹槽结构，凹槽结构包括架设部（321）以及U型的凹槽部（322），凹槽部（322）的一端与镜腿（31）连接，架设部（321）与凹槽部（322）连接以将鼻托架（32）架设在使用者面部，凹槽部（322）用于安装镜片结构。镜架结构能够方便地实现安装、拆卸镜片的功能，使得更换镜片简单容易。
Patent WO-2020258046-A1 (WO)
Inventor: GAO YUKAI
IPC: H04W74/02
Filed: 2019-06-25
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for DMRS transmission and reception. A method comprises determining, at a device, control information for scheduling a physical shared channel, the control information indicating a plurality of TCI states to be used for communication with a further device; in response to a plurality of transmission occasions of the physical shared channel being configured to be scheduled by the control information, determining, from the plurality of transmission occasions, a set of transmission occasions associated with one TCI state of the plurality of TCI states; determining, for the set of transmission occasions, respective resource allocations for transmitting at least one DMRS of the physical shared channel to the further device; and transmitting, based on the resource allocations and the TCI state, the at least one DMRS to the further device during the set of transmission occasions.
Patent WO-2020057216-A1 (WO)
Inventor: LIU FAZHI
IPC: G06F11/273
Filed: 2019-06-27
Abstract: A memory signal test board, conductive strips in one-to-one correspondence with first via holes being provided on a sidewall of a first PCB substrate, the via hole located in a first region being electrically connected to the corresponding conductive strip by means of first wiring, and the via hole located in a second region being electrically connected to the corresponding conductive strip by means of second wiring. During use, the pins of a memory are electrically connected to the via holes in the test board in a one-to-one manner, and by means of the first wiring and the second wiring, the pins of the memory are finally electrically connected to the conductive strips on the sidewall of the test board. The first wiring and the second wiring are distributed on different surfaces of the first PCB substrate, such that the density of the wiring on the surface of the first PCB substrate can be effectively reduced. In addition, the pins in the memory are finally electrically connected to the conductive strips on the sidewall of the test board, such that the signal transmitted to the conductive strip can be easily extracted, thereby implementing integrity testing of memory signals.
Patent WO-2021000330-A1 (WO)
Inventor: WONG KEITH
IPC: C09K11/06
Filed: 2019-07-04
Abstract: A series of highly luminescent cyclometalated rhodium (III) complexes, with photoluminescence quantum yields up to 0.65 in thin films, have been designed and prepared. The strong luminescence property is realized by the judicious choice of a strong σ-donor cyclometalating ligand with lower-lying intraligand state and the ability to raise the d-d excited state. This is the first report to demonstrate the capability of rhodium(III) complexes as high efficient light-emitting materials for organic light-emitting devices. Compelling external quantum efficiencies of up to 12.2%and operational half-lifetime of over 3, 000 hours have been achieved.
Patent WO-2020164224-A1 (WO)
Title: 一种探测装置及激光雷达
Inventor: REN JIANFENG
IPC: G01S17/02
Filed: 2019-07-05
Abstract: 提供了一种探测装置（100）及激光雷达。探测装置（100）包括：光纤阵列，包括多个光纤（10），多个光纤（10）的两端部阵列设置，且形成两端的信号光接收面（111）和信号光发射面（121），信号光接收面（111）的纵向面积大于信号光发射面（121）的纵向面积；探测器（20），探测器（20）与信号光发射面（121）连接，接收信号光发射面（121）发射的光信号。通过采用较小面积的探测器实现大范围探测应用，减少探测器面积，减少探测器数量，避免多个探测器由于接缝较大影响光信号接收效率，同时降低整体成本。
Patent WO-2020020036-A1 (WO)
Inventor: ZHAO JING
IPC: G06F9/455
Filed: 2019-07-17
Abstract: 本发明公开了一种在NFV体系中进行扩容的方法、缩容的方法、相关装置及存储介质，本发明可实现根据业务进行虚拟机的扩缩容。
Patent WO-2020244032-A1 (WO)
Title: Face image detection method and apparatus
Inventor: LIAN GUANGLEI
IPC: G06K9/00
Filed: 2019-07-18
Abstract: Embodiments of the present invention disclose a face image detection method and apparatus. A specific embodiment of the method comprises: acquiring a target image frame sequence; for each image frame comprised in the target image frame sequence, inputting the image frame into a pre-trained face detection model to acquire face position information; determining, on the basis of the acquired face position information, at least one face image sequence from the image frames comprised in the target image frame sequence, wherein a face image comprised in each face image sequence is used to indicate the same face; for each face image sequence in the at least one face image sequence, determining a quality score of each face image comprised in the face image sequence; and extracting a face image from the face image sequence on the basis of the acquired quality score, and outputting the face image. This embodiment extracts a high-quality face image from the target image sequence, thereby improving the accuracy for operations such as face recognition performed using the extracted face image.
Patent WO-2020020070-A1 (WO)
Title: Wet-process fixture lifting and fixing device and method
Inventor: SHEN BINGBING
IPC: H01L21/66
Filed: 2019-07-19
Abstract: A wet-process fixture lifting and fixing device and method. The device comprises a wafer base lifting mechanism (1), a wafer base fixing mechanism (7), and a wet-process fixture lifting mechanism (3). The wafer base lifting mechanism (1) is disposed above an opening of an immersion bath (4). The wafer base fixing mechanism (7) is disposed on the wafer base lifting mechanism (1). The wet-process fixture lifting mechanism (3) is connected to a wet-process fixture (2). In the wet-process fixture lifting and fixing device, the wet-process fixture lifting mechanism (3) collectively lifts all of the wet-process fixtures (2); the wafer base lifting mechanism (1) lifts a wafer base (5) in the wet-process fixture (2); the wafer base fixing mechanism (7) fixes the wafer base (5) in the wet-process fixture (2). The invention is easy to operate, and lifts and fixes multiple wafer bases (5) at the same time, thereby improving productivity, and ensuring precise operation and quality work.