Abstract: A method, apparatus, computer readable medium storing computer readable instructions are disclosed for processing volumetric image data. According to the method, 3-dimensional data points are collected. A plurality of 2-dimensional image maps is obtained from the 3-dimensional data points. At least one of the plurality of 2D image maps is extracted to form at least one image frame. A frame gallery is created from the at least one image frame.

Abstract: The disclosure relates to adjusting intensities of images. The method includes receiving information identifying of a plurality of regions within an image; receiving an intensity adjustment of at least one of the plurality of regions; adjusting the intensities of the at least one plurality of regions based on the received intensity adjustment; interconnecting at least two of the plurality of regions by applying a two-dimensional method; generating intensity adjustments for at least one pixel outside the plurality of regions based on the received intensity adjustment of at least one of the plurality of regions and the interconnection of at least two of the plurality of regions; and applying the generated intensity adjustments to the image.

Abstract: A method for controlling read rights of digital contents includes receiving, by a first service node, digital content information from a second service node implemented by a second server, wherein the digital content information includes digital contents and read rights of the digital contents, and both the first service node and the second service node are service nodes authenticated by a root service node, transmitting, by the first service node, a verification request to the root service node to verify whether the digital content information is authorized by the root service node, and parsing, by the first service node, the digital content information to obtain the digital contents and the read rights of the digital contents if a verification result shows that the digital content information is authorized by the root service node. An apparatus and system for implementing the method are also provided.

Abstract: A method for displaying an electronic document includes obtaining a reading mark of the electronic document, which is recorded at a last display of the electronic document; identifying a content of the electronic document corresponding to the reading mark under a current reading mode; and displaying the identified content. A reading device that performs the disclosed method is also provided.

Abstract: A digital right management method, including: encrypting, by a first user equipment which has access right to shared digital contents, a key of the digital contents with at least an equipment key of a second user equipment intended to share the digital contents to generate a ciphertext of the key of the digital contents; generating, by the first user equipment, from the ciphertext a new authorization certificate corresponding to the digital contents; and transmitting, by the first user equipment, the new authorization certificate and the digital contents to the second user equipment to instruct the second user equipment to share the digital contents in accordance with the new authorization certificate.

Abstract: A method for providing a digital content, including: determining, by a first device, a digital content to be synchronized in progress upon determining that a synchronization trigger condition is satisfied; obtaining, by the first device, current browsing progress information of the digital content; and transmitting, by the first device, a content identifier of the digital content and the current browsing progress information to a second device, to instruct the second device to store the current browsing progress information corresponding to the digital content identified by the content identifier.

Abstract: A method for digital content security cooperation, including: creating, by a first content possessing device, a cooperation content packet of digital contents and transmitting the created cooperation content packet to at least one of a second content possessing device or a first content cooperating device, wherein the cooperation content packet includes an attribute data block and a content data block; and performing, by the first content cooperating device receiving the cooperation content packet, privilege verification according to the cooperation content packet, and after the privilege verification is passed, updating the information in the content data block in the cooperation content packet, and transmitting the cooperation content packet including the updated information to at least one of a second content cooperating device or the first content possessing device.

Abstract: A method for improving a speed of rasterizing transparent images, comprising determining, from P graphic entity objects on a transparent page, M transparent images and N nontransparent images. Each of the N nontransparent images includes an intersecting area with one of the M transparent images, P is an integer larger than 0, M is an integer larger than 0 and smaller than or equal to P, N is an integer larger than or equal to 0 and smaller than P, and P=M+N. The method also comprises determining a page-level transparent area and a page-level de-transparentizing area of the P graphic entity objects. Contributions of the transparent images and the nontransparent images to the page-level transparent area and the page-level de-transparentizing area are calculated using different methods. The methods further comprises assembling the M transparent images according to the page-level transparent area and the page-level de-transparentizing area.

Abstract: The invention discloses a method and a device for providing location-based electronic information. In some embodiments, the method comprises the following steps: receiving an electronic information request carrying location information from a user terminal; querying pre-stored various electronic information for electronic information corresponding to the location information carried in the electronic information request; and providing the electronic information obtained from the query to the user terminal.

Abstract: A method of manufacturing a printed circuit board (PCB) is provided. The method includes defining an area on the PCB to be subjected to a controlled-depth milling. The area includes a warp. The method further includes providing a plurality of positioning holes adjacent to edges of the area of the PCB, installing positioning members in the positioning holes so as to fix the PCB on a flat surface of a table of a milling equipment, and milling the area of the PCB. A PCB is also provided. The PCB includes a controlled-depth area containing patterns and having a surface lower than a surface of the PCB. The PCB further includes a plurality of positioning holes formed adjacent to edges of the controlled-depth area.

Abstract: Disclosed is a method for treating wastewater containing at least one copper complex, comprising: 1) providing the wastewater containing the at least one copper complex, wherein the at least one copper complex is chosen from EDTA-Cu2+ complex and ammonia-Cu2+ complex; 2) adjusting pH of the wastewater containing the at least one copper complex to be within a range from 2.0 to 3.0, and adding ferrous sulfate to convert copper in the wastewater into a form of cuprous ions; and 3) adjusting pH of the wastewater obtained in step 2) to be within a range from 8.0 to 10.5, so that the cuprous ions in the wastewater are converted into precipitates of cuprous hydroxide and/or precipitates of cuprous oxide.

Abstract: A method for extracting a document structure is disclosed. The method may include determining a position of reference information in a layout file, and extracting items related to the reference information from the determined position of the layout file. An apparatus for extracting a document structure is also disclosed. The apparatus may include a processor configured to determine a position of reference information in a layout file; and to extract items related to the reference information from the determined position of the layout file. The apparatus may further include a storage device configured to store the extracted items.

Abstract: A method for detecting a registration offset is disclosed. The method includes transferring a first pattern to a metal layer on a first side of a printed circuit board (PCB) substrate. The first pattern has a reference scale. The method further includes transferring a second pattern to a metal layer on a second side opposite to the first side of the PCB substrate. The second pattern has a measurement scale. The second pattern is transferred by aligning an origin of the measurement scale with an origin of the reference scale in an apparatus such that at least a portion of the reference scale is overlapped with the measurement scale. The method includes etching the metal layers of the PCB substrate and measuring an offset in the patterns on the PCB substrate by using the reference scale and the measurement scale.

Abstract: Methods, apparatuses, and computer readable media are disclosed for processing content information in an online environment. The method may comprise receiving a request for a copying operation to copy displayed contents in a selected area of a display page. The request may include area information associated with the selected area and page identification information associated with the display page. The method may also comprise obtaining a layout page in a layout file stored on a server based on the received page identification information, the layout page corresponding to the display page. The method may further comprise searching contents corresponding to the displayed contents in the obtained layout page based on the area information and sending the contents to a client for performing the copying operation.

Abstract: A method for measuring data retention characteristic of an RRAM device includes: a) controlling a temperature of a sample stage to maintain the RRAM device at a predetermined temperature; b) setting the RRAM device to a high-resistance state or a low-resistance state; c) measuring data retention time by applying a predetermined voltage to the RRAM device so that a resistive state failure of the RRAM device occurs; d) repeating the steps a)-c) to perform a plurality of measurements; e) calculating a resistive state failure probability F(t) of the RRAM device from the data retention time in the plurality of measurements; and f) fitting the resistive state failure probability F(t), and calculating predicted data retention time tE by using parameters obtained from the fitting. The data retention time of the RRAM device may be predicted by combining voltage acceleration and temperature acceleration.