An imaging device has a light field imager and a processor. The light field imager includes a microlens array, and a light field sensor positioned proximate to the microlens array, having a plurality of pixels and recording light field data of an optical target from light passing through the microle
An imaging device has a light field imager and a processor. The light field imager includes a microlens array, and a light field sensor positioned proximate to the microlens array, having a plurality of pixels and recording light field data of an optical target from light passing through the microlens array. The processor is configured to: receive the light field data of the optical target from the light field sensor, estimate signal to noise ratio and depth of the optical target in the light field data, select a subset of sub-aperture images based on the signal to noise ratio and depth, combine the selected subset of sub-aperture images, and perform image analysis on the combined subset of sub-aperture images.
대표청구항▼
1. An imaging device, comprising: a light field imager, comprising: a microlens array; anda light field sensor positioned proximate to the microlens array, having a plurality of pixels and recording light field data of an optical target from light passing through the microlens array; anda processor
1. An imaging device, comprising: a light field imager, comprising: a microlens array; anda light field sensor positioned proximate to the microlens array, having a plurality of pixels and recording light field data of an optical target from light passing through the microlens array; anda processor configured to: receive the light field data of the optical target from the light field sensor;estimate signal to noise ratio and depth of the optical target in the light field data;select a subset of sub-aperture images based on the signal to noise ratio and depth;combine the selected subset of sub-aperture images; andperform image analysis on the combined subset of sub-aperture images. 2. The imaging device of claim 1, wherein the light field data comprises a plurality of sub-aperture images. 3. The imaging device of claim 2, wherein estimating the signal to noise ratio is performed using sensor characterization. 4. The imaging device of claim 3, wherein sensor characterization includes sensor noise level, gain, exposure time, or any combination thereof. 5. The imaging device of claim 4, wherein sensor characterization is determined from pixel intensities. 6. The imaging device of claim 1, wherein estimating depth of the optical target from the light field imager is directly determined from the light field data. 7. The imaging device of claim 1, wherein estimating depth of the optical target from the light field imager is through registration of two sub-aperture images. 8. The imaging device of claim 1, comprising a pre-determined table of optimal subsets of sub-aperture images at different signal to noise ratios and depths of a theoretical optical target from the light field imager. 9. The imaging device of claim 8, wherein the subset of sub-aperture images is selected from the pre-determined table. 10. The imaging device of claim 1, wherein combining the subset of sub-aperture images includes a quantized shifting and adding together the subset of sub-aperture images. 11. The imaging device of claim 1, wherein the imaging device is an indicia scanner. 12. The imaging device of claim 1, wherein the image analysis is facial recognition. 13. The imaging device of claim 1, where the image analysis is iris recognition. 14. A method, comprising: capturing light field data of an optical target with a light field sensor;estimating signal to noise ratio and depth of the optical target in the light field data;selecting a subset of sub-aperture images based on the signal to noise ratio and depth;combining the selected subset of sub-aperture images; andperforming image analysis on the combined subset of sub-aperture images. 15. The method of claim 14, wherein the light field data comprises a plurality of sub-aperture images. 16. The method of claim 15, wherein estimating the signal to noise ratio is performed using sensor characterization of sensor noise level, gain, exposure time, or any combination thereof. 17. The method of claim 14, wherein estimating depth of the optical target from the light field imager is determined directly from the light field data. 18. The method of claim 14, wherein estimating depth of the optical target from the light field imager is through registration of two sub-aperture images. 19. The method of claim 16, wherein the subset of sub-aperture images is selected from a pre-determined table comprising optimal subsets of sub-aperture images at different signal to noise ratios and depths of a theoretical optical target from the light field imager. 20. The method of claim 19, wherein combining the subset of sub-aperture images includes a quantized shifting and adding together the subset of sub-aperture images.
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Caballero, Aldo M.; French, Daniel Brant; Hinson, Douglas M.; Kosecki, James C.; Mangicaro, David; Reynolds, Scott; Yeakley, Daniel Duane, Apparatus and methods for monitoring one or more portable data terminals.
Havens, William H.; Barber, Charles P.; Gannon, Colleen; Gardiner, Robert C.; Hennick, Robert J.; Pettinelli, John A., Apparatus operative for capture of image data.
Horn, Erik Van; Giordano, Patrick Anthony; Amundsen, Thomas; Olson, Daniel James; Brady, Robert Hugh; Colavito, Stephen; Saber, Kevin; Haggerty, Thomas; Wilz, Sr., David M., Bar code symbol reading system employing an extremely elongated laser scanning beam capable of reading poor and damaged quality bar code symbols with improved levels of performance.
Xian, Tao; Ellis, Duane; Good, Timothy; Zhu, Xiaoxun, Bar code symbol reading system supporting visual or/and audible display of product scan speed for throughput optimization in point of sale (POS) environments.
Todeschini, Erik; Deloge, Stephen Patrick; Meier, Timothy; Anderson, Donald; Hejl, Benjamin; Koziol, Thomas, Cloud-based system for reading of decodable indicia.
Kearney, Sean Philip; Giordano, Patrick Anthony; Cunningham, Charles Joseph; Bond, Desmond; Amundsen, Thomas, Decodable indicia reading terminal with combined illumination.
Biss, Charles E.; Havens, William H.; Robinson, Michael D.; Balschweit, Paul; Fitch, Timothy R.; McCall, Melvin D.; Gomez, Garrison; McClaude, Mark A.; Longacre, Andrew; Sonneville, Eunice, Device and system for processing image data representing bar codes.
Pitts, Colvin; Knight, Timothy James; Liang, Chia-Kai; Ng, Yi-Ren, Extended depth of field and variable center of perspective in light-field processing.
Edmonds, Shane Michael; Keaney, Sean Philip, Hybrid-type bioptical laser scanning and digital imaging system supporting automatic object motion detection at the edges of a 3D scanning volume.
Edmonds, Shane Michael; Kearney, Sean Philip, Hybrid-type bioptical laser scanning and digital imaging system supporting automatic object motion detection at the edges of a 3D scanning volume.
Kearney, Sean Philip, Hybrid-type bioptical laser scanning and imaging system supporting digital-imaging based bar code symbol reading at the surface of a laser scanning window.
Barber, Charles P.; Gerst, Carl W.; Smith, George S.; Hussey, Robert M.; Gardiner, Robert C.; Pankow, Matthew W., Imaging apparatus having imaging assembly.
Barber, Charles P.; Gerst, III, Carl W.; Smith, II, George S.; Hussey, Robert M.; Gardiner, Robert C.; Pankow, Matthew W., Imaging apparatus having imaging assembly.
Havens, William H.; Pitou, David Stewart; McColloch, Laurence Ray; Barber, Charles Paul; Gannon, Colleen Patricia, Imaging module having lead frame supported light source or sources.
Wang, Ynjiun P.; Ahearn, Kevin; Deloge, Stephen P.; Ehrhart, Michael A.; Havens, William H.; Hussey, Robert M.; Koziol, Thomas J.; Li, Jianhua; Li, Jingquan; Montoro, James; Powilleit, Sven M. A., Indicia reading terminal having spatial measurement functionality.
Havens, William H.; Wang, Ynjiun P.; Hennick, Robert J.; Gannon, Colleen; Anderson, Donald; Hunter, Vivian L.; Bremer, Edward C.; Feng, Chen, Indicia reading terminal including focus element with expanded range of focus distances.
Wang, Ynjiun P.; Bremer, Edward C.; Feng, Chen; Gannon, Colleen P.; Havens, William H.; Li, Jianhua; Meier, Timothy P., Indicia reading terminal processing plurality of frames of image data responsively to trigger signal activation.
Hennick, Robert J.; Havens, William H.; Meier, Timothy; McCloskey, Scott; Anderson, Donald; Wang, Ynjiun P.; Hussey, Robert M.; Van Horn, Erik; Kearney, Sean P., Indicia reading terminals and methods for decoding decodable indicia employing light field imaging.
Wilz, Sr., David M., Laser scanning bar code symbol reading system having intelligent scan sweep angle adjustment capabilities over the working range of the system for optimized bar code symbol reading performance.
Xian, Tao; Wang, Ynjiun P.; Liu, Yong; Feng, Chen, Laser scanning code symbol reading system employing multi-channel scan data signal processing with synchronized digital gain control (SDGC) for full range scanning.
Brady, Robert Hugh; Colavito, Stephen; Wilz, Sr., David; Teng, Zhipeng; Dixon, Myron Levon, Laser scanning code symbol reading system providing improved control over the length and intensity characteristics of a laser scan line projected therefrom using laser source blanking control.
Fritz, Bernard; Cox, James Allen; Reutiman, Peter L., Laser scanning system employing an optics module capable of forming a laser beam having an extended depth of focus (DOF) over the laser scanning field.
Havens, William; Kearney, Sean Philip, Laser scanning system using laser beam sources for producing long and short wavelengths in combination with beam-waist extending optics to extend the depth of field thereof while resolving high resolution bar code symbols having minimum code element widths.
Todeschini, Erik, Method and application for scanning a barcode with a smart device while continuously running and displaying an application on the smart device display.
Braho, Keith; El-Jaroudi, Amro; Pike, Jeffrey, Method and system for considering information about an expected response when performing speech recognition.
Van Horn, Erik; Olson, Daniel James, Method of and apparatus for managing and redeeming bar-coded coupons displayed from the light emitting display surfaces of information display devices.
Amundsen, Thomas; Kearney, Sean Philip; Edmonds, Shane Michael; Wang, Ynjiun Paul; Good, Timothy; Miraglia, Michael; Cunningham, IV, Charles Joseph; Zhu, Xiaoxun; Giordano, Patrick Anthony, Method of and system for detecting object weighing interferences.
Amundsen, Thomas; Kearney, Sean Philip; Edmonds, Shane Michael; Wang, Ynjiun Paul; Good, Timothy; Miraglia, Michael; Cunningham, IV, Charles Joseph; Zhu, Xiaoxun; Giordano, Patrick Anthony, Method of and system for detecting produce weighing interferences in a POS-based checkout/scale system.
Van Horn, Erik; Kearney, Sean Philip, Method of and system for reading visible and/or invisible code symbols in a user-transparent manner using visible/invisible illumination source switching during data capture and processing operations.
Berthiaume, Guy H.; Caballero, Aldo M.; Cairns, James A.; Havens, William H.; Koziol, Thomas J.; Stewart, James W.; Wang, Ynjiun P.; Yeakley, Daniel D., Methods and apparatus to change a feature set on data collection devices.
Plesko, George, Molded elastomeric flexural elements for use in a laser scanning assemblies and scanners, and methods of manufacturing, tuning and adjusting the same.
Van Horn, Erik; Kearney, Sean Philip; Giordano, Patrick Anthony; Good, Timothy; Dickinson, Chandler; Au, Ka Man; Wilz, Sr., David; Furlong, John A.; Hejl, Benjamin; Walczyk, Joseph A.; Coyle, Larry; Rosetti, James; Haggerty, Thomas, Multifunction point of sale system.
Good, Timothy, Omnidirectional laser scanning bar code symbol reader generating a laser scanning pattern with a highly non-uniform scan density with respect to line orientation.
Kotlarsky, Anatoly; Zhu, Xiaoxun; Veksland, Michael; Au, Ka Man; Giordano, Patrick; Yan, Weizhen; Ren, Jie; Smith, Taylor; Miraglia, Michael V.; Knowles, C. Harry; Mandal, Sudhin; De Foney, Shawn; Allen, Christopher; Wilz, Sr., David M., Optical code symbol reading system employing a LED-driven optical-waveguide structure for illuminating a manually-actuated trigger switch integrated within a hand-supportable system housing.
Kotlarsky, Anatoly; Zhu, Xiaoxun; Veksland, Michael; Au, Ka Man; Giordano, Patrick; Yan, Weizhen; Ren, Jie; Smith, Taylor; Miraglia, Michael V.; Knowles, C. Harry; Mandal, Sudhin; De Foney, Shawn; Allen, Christopher; Wilz, Sr., David M., Optical code symbol reading system employing an acoustic-waveguide structure for coupling sonic energy, produced from an electro-transducer, to sound wave ports formed in the system housing.
Kotlarsky, Anatoly; Zhu, Xiaoxun; Veksland, Michael; Au, Ka Man; Giordano, Patrick; Yan, Weizhen; Ren, Jie; Smith, Taylor; Miraglia, Michael V.; Knowles, C. Harry; Mandal, Sudhin; De Foney, Shawn; Allen, Christopher; Wilz, Sr., David M., Optical scanning system having an extended programming mode and method of unlocking restricted extended classes of features and functionalities embodied therewithin.
Barten, Henri Jozef Maria, POS-based code symbol reading system with integrated scale base and system housing having an improved produce weight capturing surface design.
Cunningham, Charles; Good, Timothy; Kearney, Sean Philip; Miraglia, Michael; Amundsen, Thomas; Giordano, Patrick; Wang, Yujiun Paul; Zhu, Xiaoxun, Point of sale (POS) based checkout system supporting a customer-transparent two-factor authentication process during product checkout operations.
Barber, Charles P.; Gerst, III, Carl W.; Smith, II, George S.; Hussey, Robert M.; Gardiner, Robert C.; Pankow, Matthew W., Reading apparatus having partial frame operating mode.
Murawski, Mark David; Russell, Philip E., Receiving application specific individual battery adjusted battery use profile data upon loading of work application for managing remaining power of a mobile device.
Soule, III, Robert M.; Berthiaume, Guy H.; Caballero, Aldo Mario; Conti, Brian V.; Harper, Jeffrey Dean; Hooks, Larry K.; Meggitt, Adam Edward; Sauerwein, James T.; Yeakley, Daniel D., Reprogramming system and method for devices including programming symbol.
Maloy, James D.; Kusar, Michael; Mranca, Alexander; Narayan, Venkatesh; Thorsen, Jeffrey, System and method for generating and updating location check digits.
Gomez, Garrison; Siegler, Thomas A.; Soule, III, Robert M.; Daddabbo, Nick; Sperduti, David, System and method to store and retrieve identifier associated information content.
Furlong, John A.; Hernandez, Mark Jose Antonio; Koch, Craig; Nahill, James; Cunningham, IV, Charles Joseph; Kearney, Sean Philip; Smith, Taylor, System having imaging assembly for use in output of image data.
Hendrickson, James; Scott, Debra Drylie; Littleton, Duane; Pecorari, John; Slusarczyk, Arkadiusz, Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environment.
Pease, Michael; Bouchat, Christopher; Dobeck, Brian Roman; Sauerwein, Jr., James T.; Youngblood, Eric, Terminal configurable for use within an unknown regulatory domain.
Harding, Andrew C.; Suhr, Jeffrey K.; Allen, Nicholas P., Testing automatic data collection devices, such as barcode, RFID and/or magnetic stripe readers.
Essinger, Steven; Zhu, Xiaoxun; Schnee, Michael; Liu, JiBin; Shen, Xin; Chen, LiangLiang; Lu, Jun, Wireless dual-function network device dynamically switching and reconfiguring from a wireless network router state of operation into a wireless network coordinator state of operation in a wireless communication network.
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