초록 ▼

A method is provided for recognizing an individual item at an identification station from a variety of known products for purposes of entry into an inventory and/or register system. A backlit viewplate is used and a digital image capturing device captures and stores a reference image of the viewplat

A method is provided for recognizing an individual item at an identification station from a variety of known products for purposes of entry into an inventory and/or register system. A backlit viewplate is used and a digital image capturing device captures and stores a reference image of the viewplate. A backlit image of the item to be identified adjacent the viewplate is then captured and converted into a digitized image signal representing the captured image. The digitized image signal is processed by subtraction of a representation of said stored reference image to remove viewplate artifact, to provide a background-compensated image signal. The background-compensated image signal is analyzed to generate image descriptors characterizing features of size and/or shape of the item, and the descriptors are compared with the data stored on a computerized product database to identify data sets with the highest correlation. Visual representations of products corresponding to the data sets with the highest correlation are displayed; and an operator confirms the recognition result for entry into the inventory and/or register system.

대표청구항 ▼

A method is provided for recognizing an individual item at an identification station from a variety of known products for purposes of entry into an inventory and/or register system. A backlit viewplate is used and a digital image capturing device captures and stores a reference image of the viewplat

A method is provided for recognizing an individual item at an identification station from a variety of known products for purposes of entry into an inventory and/or register system. A backlit viewplate is used and a digital image capturing device captures and stores a reference image of the viewplate. A backlit image of the item to be identified adjacent the viewplate is then captured and converted into a digitized image signal representing the captured image. The digitized image signal is processed by subtraction of a representation of said stored reference image to remove viewplate artifact, to provide a background-compensated image signal. The background-compensated image signal is analyzed to generate image descriptors characterizing features of size and/or shape of the item, and the descriptors are compared with the data stored on a computerized product database to identify data sets with the highest correlation. Visual representations of products corresponding to the data sets with the highest correlation are displayed; and an operator confirms the recognition result for entry into the inventory and/or register system. opening member is operated. 4. An opening device as claimed in claim 3, wherein said second preferential tear line comprises at least one portion extending at a constant distance from a relative portion of said first preferential tear line. 5. An opening device as claimed in claim 1, wherein said partition member is substantially circular; and in that said hole is formed in a central portion of said partition member. 6. An opening device as claimed in claim 1, wherein said peripheral member comprises a frame having connecting means for connection to a closable cap. 7. An opening device as claimed in claim 6, wherein said connecting means comprise a thread formed on said frame and which is engaged by a complementary thread carried by said cap. 8. A package for pourable food products, comprising: a container body having a top wall fitted with an opening device; said opening device comprising a peripheral member defining a pour opening; a partition member connected to said peripheral member to close said pour opening, and which is at least partly detachable from the peripheral member along at least a first preferential tear line; an opening member connected to a peripheral edge portion of said partition member and which is operated to detach the partition member from said peripheral member along said first preferential tear line and so expose said pour opening; an air inlet hole being formed in said partition member; a bridge member connecting said opening member to said partition member and having sealing means for sealing said hole and which are broken by operation of said opening member to allow air through the hole prior to commencing detachment of said partition member from said peripheral member, said opening member being arranged in a position overlaying said partition member, said sealing means and said hole which is broken by operation of said opening member; said opening member comprising a tongue having a first end portion connected to said partition member, a free, pull-up second end portion, and an intermediate portion connected to a central portion of said partition member by said bridge member wherein said partition member, said opening member, said bridge member, and said sealing means are one piece formed and made from a plastic material. 9. A package as claimed in claim 8, wherein said peripheral member is fitted to a wall of the package. 10. A package as claimed in claim 8, wherein at least part of said opening device is injection molded directly on to a sheet packaging material defining said package. 11. An opening device for a package containing a pourable food product, said device comprising: a peripheral member defining a pour opening; a partition member connected to said peripheral member to close said pour opening, the partition member at least partly detachable from the peripheral member along at least a first preferential tear line; and an opening member overlaying and connected to the partition member, the opening member including a tongue having a first end portion connected to a peripheral edge portion of the partition member, a free, pull-up second end portion, and an intermediate portion connected to a central portion of the partition member by a bridge member, the bridge member connecting the opening member to the partition member and having sealing means for sealing an air inlet hole formed in the partition member, wherein the opening member is operable to detach the partition member from the peripheral member along the first preferential tear line to expose the pour opening and is operable to open the sealing means to allow air through the hole prior to commencing detach of said partition member from the peripheral member, wherein the partition member, the opening member, the bridge member, and the sealing means are one piece structure and the one piece structure is formed of a thermoplastic.