Abstract: In one example, a method is disclosed. The method includes, for each meter hash key of multiple meter hash keys generated from meter signatures in aggregated meter data: identifying a set of reference hash keys that match the meter hash key, and storing ones of the set of reference hash keys in respective data structures corresponding to media assets represented by the ones of the set of reference hash keys, where a first one of the data structures includes a sequence of reference hash keys that matches a corresponding sequence of meter hash keys. The method further includes: determining that the sequences of hash keys satisfy a validation criteria, and determining that the first one of the sequence of reference hash keys corresponds to a valid hash key match based on the determination that the sequences of hash keys satisfy the validation criteria.

Abstract: Methods, apparatus, systems and articles of manufacture to credit unidentified media are disclosed. Disclosed example apparatus include a database updater to store a first group of signatures representative of unidentified media in a database, the first group of signatures obtained from a first media meter to monitor a first media presentation device, the first group of signatures associated with a first media exposure category based on media source information reported by the first media meter. Disclosed example apparatus also include a media comparator to compare a second group of signatures with the first group of signatures, the second group of signatures obtained from a second media meter to monitor a second media presentation device. Disclosed example apparatus further include a reporter to credit media exposure represented by the second group of signatures to the first media exposure category when the second group of signatures matches the first group of signatures.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to generate a signature based on signature candidates. An example apparatus disclosed herein includes first means for determining an alignment point of a first candidate signature segment and a second candidate signature segment, the first candidate signature segment and the second candidate signature segment include time data and signature data, the alignment point based on the time data of the first candidate signature segment and the time data of the second candidate signature segment, means for comparing a first signature to a second signature at the alignment point, the first signature representative of media included in the first candidate signature segment, the second signature included in the second candidate signature segment, and means for stitching the second signature to the first signature based on the comparison to generate a stitched signature, the stitched signature to be used for media crediting.

Abstract: Methods, apparatus, systems and articles of manufacture to perform media device asset qualification are disclosed. An example apparatus includes at least one memory, and at least one processor to execute instructions to at least identify a first set of candidate media device assets for disqualification, the candidate media device assets including A) a signature and B) a media identifier that identifies media, generate a hash table using a second set of the candidate media device assets, determine one or more counts of matches between C) a first signature and a first media identifier of a first candidate media device asset of the second set and D) respective signatures and media identifiers of multiple ones of the second set using the hash table, the multiple ones of the second set not including the first candidate media device asset, and load the first signature into a reference database as a reference signature.

Abstract: A microfluidic apparatus includes a microfluidic chip for MicroOrganoSpheres (MOS) generation. A first channel is defined in a surface of the microfluidic chip and includes: a droplet generation portion including an inlet portion, a junction between the inlet portion and an emulsifying fluid channel, and a chamber downstream of the junction. A cross-sectional area of the chamber is larger than that of the inlet portion. The first channel includes a polymerization portion downstream of the droplet generation portion, the polymerization portion having a serpentine configuration. The apparatus includes a cartridge for MOS demulsification, including: a collection container; a substrate disposed on the collection container, and a membrane disposed between the collection container and the surface of the substrate. A second channel is defined in the surface of the substrate that faces the collection container and is fluidically connected to an output of the polymerization portion of the first channel.

Abstract: A microfluidic apparatus includes a microfluidic chip for MicroOrganoSpheres (MOS) generation. A first channel is defined in a surface of the microfluidic chip and includes: a droplet generation portion including an inlet portion, a junction between the inlet portion and an emulsifying fluid channel, and a chamber downstream of the junction. A cross-sectional area of the chamber is larger than that of the inlet portion. The first channel includes a polymerization portion downstream of the droplet generation portion, the polymerization portion having a serpentine configuration. The apparatus includes a cartridge for MOS demulsification, including: a collection container; a substrate disposed on the collection container, and a membrane disposed between the collection container and the surface of the substrate. A second channel is defined in the surface of the substrate that faces the collection container and is fluidically connected to an output of the polymerization portion of the first channel.

Abstract: A detection system that operates with reduced sample waste and dead volume, the system including: a module configured to introduce a sample spacer into a sample; at least one light source, wherein the light source illuminates the sample spacer and the sample, wherein illumination of the sample spacer produces scattered light; and a detection device configured to initiate acquisition of data related to the sample in response to scattered light detected by the detection device.

Abstract: Methods and apparatus to generate reference signatures are disclosed.

Abstract: An apparatus may include a grinder blade for flush cutting concrete, the grinder blade comprising: a distal side that defines a flush cutting plane and a proximal side opposite the distal side, and a locking hub receiver section unitarily formed from the grinder blade at a center portion and extending from the grinder blade a proximal direction to receive a locking hub with a plurality of fasteners disposed proximally to the grinder blade to secure the locking hub against the grinder blade.

Abstract: The present disclosure relates to processes for preparing a compound of formula I: The disclosure also provides compounds that are synthetic intermediates.

Abstract: Apparatus, systems, articles of manufacture, and methods to identify media using watermarks and signatures are disclosed. An example apparatus includes at least one memory, instructions, and processor circuitry to execute the instructions to: determine a first time and a category indicated by a watermark detected in the media, determine a search window based on the first time indicated by the watermark, the search window to at least one of (i) extend a first duration of time before the first time indicated by the watermark or (ii) extend a second duration of time after the first time indicated by the watermark, and compare (i) a query signature associated with a second time within the search window with (ii) a subset of reference signatures associated with the category to identify the media, the query signature generated from the media, the subset of reference signatures generated from reference media associated with the category.

Abstract: Disclosed herein are apparatuses, systems, as well as related methods, computing devices, and computer-readable media related to real time cell sorter cell sorting using embeddings. For example, in some embodiments a method may comprise receiving first cell sorter data. The first cell sorter data may include cell sorter data including microscopy data, hyperspectral imaging data, high-dimensional vector data, or one or more combinations thereof. In some embodiments, the cell sorter data may include quantitative fluorescence data expressed as one or more of antibodies bound per cell, antibody binding capacity (ABC), molecules of equivalent soluble fluorochrome (MESF), one or more other quantitative indicators of fluorescence, or one or more combinations thereof. In some embodiments, the quantitative fluorescence data includes one or more fluorescence signals from: one or more fluorescent proteins, one or more fluorescent dyes, one or more fluorescently conjugate antibodies, or one or more combinations thereof.

Abstract: Example apparatus disclosed herein are to obtain a first hash key, a second hash key and a third hash key representative of first reference media in response to a first query of a first table, the second hash key associated with a second time preceding a first time associated with the first hash key, the third hash key associated with a third time following the first time associated with the first hash key. Disclosed example apparatus are also to prequalify the first hash key as a candidate for subsequent signature processing associated with a first site signature in response to a determination that the second hash key corresponds to a second site signature preceding the first site signature in time and that the third hash key corresponds to a third site signature following the first site signature in time.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to generate a signature based on signature candidates. An example apparatus disclosed herein includes first means for determining an alignment point of a first candidate signature segment and a second candidate signature segment, the first candidate signature segment and the second candidate signature segment include time data and signature data, the alignment point based on the time data of the first candidate signature segment and the time data of the second candidate signature segment, means for comparing a first signature to a second signature at the alignment point, the first signature representative of media included in the first candidate signature segment, the second signature included in the second candidate signature segment, and means for stitching the second signature to the first signature based on the comparison to generate a stitched signature, the stitched signature to be used for media crediting.

Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for loading and roll-off of reference media assets. Example apparatus disclosed herein are to determine whether a first condition to prune a reference media asset is satisfied, and in response to a determination that the first condition is satisfied, determine whether a second condition to prune the reference media asset is satisfied. Disclosed example apparatus are also to, in response to a determination that the second condition is satisfied: segment the reference media asset into a plurality of segments based on a length of the reference media asset, prune a first one of the segments, and retain a second one of the segments in a database to compare with meter data to credit media exposure associated with the reference media asset.

Abstract: Methods and apparatus to identify alternate language versions of media based on signature matching are disclosed. Example apparatus disclosed herein include a signature matcher to compare signatures in monitored data with reference signatures to determine signature match strengths associated with portions of the monitored data, the reference signatures associated with reference media assets. Disclosed example apparatus also include a data segmenter to divide the monitored data into first and second segments, the first segments including temporally adjacent portions of the monitored data having signature match strengths that satisfy a threshold, the second segments including temporally adjacent portions of the monitored data having signature match strengths that do not satisfy the threshold.

Abstract: Methods, apparatus, systems and articles of manufacture to perform media device asset qualification are disclosed. An example apparatus includes at least one memory, and at least one processor to execute instructions to at least identify a first set of candidate media device assets for disqualification, the candidate media device assets including A) a signature and B) a media identifier that identifies media, generate a hash table using a second set of the candidate media device assets, determine one or more counts of matches between C) a first signature and a first media identifier of a first candidate media device asset of the second set and D) respective signatures and media identifiers of multiple ones of the second set using the hash table, the multiple ones of the second set not including the first candidate media device asset, and load the first signature into a reference database as a reference signature.

Abstract: Methods, apparatus, systems and articles of manufacture to credit media segments shared among multiple media assets are disclosed. Example methods disclosed herein include comparing a sequence of monitored media signatures with a library of reference signatures to determine a signature match, the monitored media signatures representative of a monitored media presentation. Disclosed example methods also include determining duration and offset of the signature match, the offset to represent a position of the signature match relative to a start of a reference media asset associated with the signature match. Disclosed example methods further include crediting a segment of the monitored media presentation represented by the signature match to an identifier of a class of media assets including the reference media asset in response to a determination that (i) the duration of the signature match does not exceed a first threshold and (ii) the offset does not exceed a second threshold.

Abstract: Methods and apparatus to generate reference signatures are disclosed. An example method includes collecting a first signature for media being presented to a plurality of households; crediting the media when the first signature matches a reference signature in a reference signature database; in response to determining that the first signature does not match a reference signature in the reference signature database and the first signature does not match an unidentified signature in an unknown signature database, storing the first signature in the unknown signature database; in response to determining that a second signature does not match the reference signature in the reference signature database and the second signature matches the unidentified signature in the unknown signature database, and increasing a count associated with the unidentified signature.

Abstract: A microfluidic apparatus includes a microfluidic chip for MicroOrganoSpheres (MOS) generation. A first channel is defined in a surface of the microfluidic chip and includes: a droplet generation portion including an inlet portion, a junction between the inlet portion and an emulsifying fluid channel, and a chamber downstream of the junction. A cross-sectional area of the chamber is larger than that of the inlet portion. The first channel includes a polymerization portion downstream of the droplet generation portion, the polymerization portion having a serpentine configuration. The apparatus includes a cartridge for MOS demulsification, including: a collection container; a substrate disposed on the collection container, and a membrane disposed between the collection container and the surface of the substrate. A second channel is defined in the surface of the substrate that faces the collection container and is fluidically connected to an output of the polymerization portion of the first channel.