Patents by Inventor Andrew A. Kostrzewski

Andrew A. Kostrzewski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7336299
    Abstract: A panoramic annular lens system (PAL), a unitary video camera and a PC-based software system that unwraps a 360° video image into a seamless, distortion free horizontal image image in real time. The PAL system of the preferred embodiment has a 360° horizontal field of view and a 90° vertical field of view in a 40 mm diameter compact package. The invention is not limited to any particular type of lens system. In fact, there are numerous lens systems for providing a 360° panoramic view. The video camera may be a CCD or CMOS based device having a pixel resolution of either 1280×1024 (high resolution) or 720×480 (NTSC). The unwrapping system is a radiometric ray tracing program carried out using a computer's graphics card capabilities to produce highly efficient regional transformation while minimizing software overhead. The result is real time, high resolution 30 fps conversion from a spherical distorted image to a flat panoramic image in Cartesian coordinates.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: February 26, 2008
    Assignee: Physical Optics Corporation
    Inventors: Andrew A Kostrzewski, Sookwang Ro, Il'ya Agurok, Mark Bennahmias
  • Patent number: 7317814
    Abstract: An authentication system using a correlator that correlates an input with a reference wherein at least one of the input and reference comprises a phase volume mask having structures, preferably points, that are each less than about six microns in size and can have an aspect ratio (AR) greater than 1:1 so as to produce a phase encoded random pattern having millions of combinations in a mask that is as small as one square millimeter. The random pattern can be convolved with a second pattern, such as a biometric pattern, to produce a phase convolved mask. The correlator preferably is a nonlinear joint transform correlator that can use “chirp” encoding to permit the input to be located in a different plane than the reference. The correlator optically Fourier transforms images of the reference and input that are thereafter nonlinearly transformed and inverse Fourier transformed by a processor to determine the presence or absence of a correlation spike indicative of authenticity.
    Type: Grant
    Filed: November 28, 2003
    Date of Patent: January 8, 2008
    Assignee: Physical Optics Corporation
    Inventors: Andrew A. Kostrzewski, Gajendra D. Savant, Tomasz P. Jannson, Joanna L. Jannson
  • Patent number: 6744909
    Abstract: An authentication system using a correlator that correlates an input with a reference wherein at least one of the input and reference comprises a phase volume mask having structures, preferably points, that are each less than about six microns in size and can have an aspect ratio (AR) greater than 1:1 so as to produce a phase encoded random pattern having millions of combinations in a mask that is as small as one square millimeter. The random pattern can be convolved with a second pattern, such as a biometric pattern, to produce a phase convolved mask. The correlator preferably is a nonlinear joint transform correlator that can use “chirp” encoding to permit the input to be located in a different plane than the reference. The correlator optically Fourier transforms images of the reference and input that are thereafter nonlinearly transformed and inverse Fourier transformed by a processor to determine the presence or absence of a correlation spike indicative of authenticity.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: June 1, 2004
    Assignee: Physical Optics Corporation
    Inventors: Andrew A. Kostrzewski, Gajendra D. Savant, Tomasz P. Jannson, Joanna L. Jannson
  • Publication number: 20040101168
    Abstract: An authentication system using a correlator that correlates an input with a reference wherein at least one of the input and reference comprises a phase volume mask having structures, preferably points, that are each less than about six microns in size and can have an aspect ratio (AR) greater than 1:1 so as to produce a phase encoded random pattern having millions of combinations in a mask that is as small as one square millimeter. The random pattern can be convolved with a second pattern, such as a biometric pattern, to produce a phase convolved mask. The correlator preferably is a nonlinear joint transform correlator that can use “chirp” encoding to permit the input to be located in a different plane than the reference. The correlator optically Fourier transforms images of the reference and input that are thereafter nonlinearly transformed and inverse Fourier transformed by a processor to determine the presence or absence of a correlation spike indicative of authenticity.
    Type: Application
    Filed: November 28, 2003
    Publication date: May 27, 2004
    Inventors: Andrew A. Kostrzewski, Gajendra D. Savant, Tomasz P. Jannson, Joanna L. Jannson
  • Patent number: 6595644
    Abstract: A dynamic time multiplexed holographic system including a holographic screen and a projector that projects successive perspective images onto the holographic screen. The projector includes a rotating polygon that provides successive image slices to the holographic screen and a spatial light modulator that provides successive image slices to the rotating polygon. The holographic screen refracts the successive perspective images perpendicular to the holographic screen.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: July 22, 2003
    Assignee: Physical Optics Corporation
    Inventors: Andrew A. Kostrzewski, Tin M. Aye, Tomasz P. Jannson, Gajendra D. Savant
  • Patent number: 6462888
    Abstract: A diffuser master is provided which is manufactured mechanically instead of holographically. The master can be made from a suitable substrate including relatively hard materials such as plastic, glass or metal. A substrate having a first side is worked to form a diffuser surface relief structure thereon. The substrate can be buffed using a buffing agent of a selected grit in order to form surface scratches in the first side of the substrate. The substrate can also be blasted with shot particles in order to form indentations and depressions in the first side. The substrate can alternatively be acid or alkali etched in order to form surface irregularities in the first side. The scratches, depressions or irregularities can be formed in order to create a desired surface relief and hence desired diffuser output characteristics.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: October 8, 2002
    Assignee: Physical Optics Corporation
    Inventors: Gajendra D. Savant, Kevin H. Yu, Andrew A. Kostrzewski
  • Publication number: 20020034006
    Abstract: A dynamic time multiplexed holographic system including a holographic screen and a projector that projects successive perspective images onto the holographic screen. The projector includes a rotating polygon that provides successive image slices to the holographic screen and a spatial light modulator that provides successive image slices to the rotating polygon. The holographic screen refracts the successive perspective images perpendicular to the holographic screen.
    Type: Application
    Filed: August 7, 2001
    Publication date: March 21, 2002
    Inventors: Andrew A. Kostrzewski, Tin M. Aye, Tomasz P. Jannson, Gajendra D. Savant
  • Publication number: 20010038492
    Abstract: A diffuser master is provided which is manufactured mechanically instead of holographically. The master can be made from a suitable substrate including relatively hard materials such as plastic, glass or metal. A substrate having a first side is worked to form a diffuser surface relief structure thereon. The substrate can be buffed using a buffing agent of a selected grit in order to form surface scratches in the first side of the substrate. The substrate can also be blasted with shot particles in order to form indentations and depressions in the first side. The substrate can alternatively be acid or alkali etched in order to form surface irregularities in the first side. The scratches, depressions or irregularities can be formed in order to create a desired surface relief and hence desired diffuser output characteristics.
    Type: Application
    Filed: January 12, 2001
    Publication date: November 8, 2001
    Applicant: Physical Optics Corporation
    Inventors: Gajendra D. Savant, Kevin H. Yu, Andrew A. Kostrzewski
  • Patent number: 6241903
    Abstract: A diffuser master is provided which is manufactured mechanically instead of holographically. The master can be made from a suitable substrate including relatively hard materials such as plastic, glass or metal. A substrate having a first side is worked to form a diffuser surface relief structure thereon. The substrate can be buffed using a buffing agent of a selected grit in order to form surface scratches in the first side of the substrate. The substrate can also be blasted with shot particles in order to form indentations and depressions in the first side. The substrate can alternatively be acid or alkali etched in order to form surface irregularities in the first side. The scratches, depressions or irregularities can be formed in order to create a desired surface relief and hence desired diffuser output characteristics.
    Type: Grant
    Filed: August 20, 1998
    Date of Patent: June 5, 2001
    Assignee: Physical Optics Corporation
    Inventors: Gajendra D. Savant, Kevin H. Yu, Andrew A. Kostrzewski
  • Publication number: 20010002355
    Abstract: A diffuser master is provided which is manufactured mechanically instead of holographically. The master can be made from a suitable substrate including relatively hard materials such as plastic, glass or metal. A substrate having a first side is worked to form a diffuser surface relief structure thereon. The substrate can be buffed using a buffing agent of a selected grit in order to form surface scratches in the first side of the substrate. The substrate can also be blasted with shot particles in order to form indentations and depressions in the first side. The substrate can alternatively be acid or alkali etched in order to form surface irregularities in the first side. The scratches, depressions or irregularities can be formed in order to create a desired surface relief and hence desired diffuser output characteristics.
    Type: Application
    Filed: January 12, 2001
    Publication date: May 31, 2001
    Applicant: Physical Optics Coporation
    Inventors: Gajendra D. Savant, Kevin H. Yu, Andrew A. Kostrzewski
  • Publication number: 20010001459
    Abstract: A diffuser master is provided which is manufactured mechanically instead of holographically. The master can be made from a suitable substrate including relatively hard materials such as plastic, glass or metal. A substrate having a first side is worked to form a diffuser surface relief structure thereon. The substrate can be buffed using a buffing agent of a selected grit in order to form surface scratches in the first side of the substrate. The substrate can also be blasted with shot particles in order to form indentations and depressions in the first side. The substrate can alternatively be acid or alkali etched in order to form surface irregularities in the first side. The scratches, depressions or irregularities can be formed in order to create a desired surface relief and hence desired diffuser output characteristics.
    Type: Application
    Filed: January 12, 2001
    Publication date: May 24, 2001
    Applicant: Physical Optics Corporation
    Inventors: Gajendra D. Savant, Kevin H. Yu, Andrew A. Kostrzewski
  • Patent number: 6137912
    Abstract: A method for compressing multiple channels of data using an MPEG-compatible motion estimation technique. The method determines the differences between frames within each channel and among the channels and encodes those differences. To facilitate compression, some of the frames are predicted and some of the frames are skipped. The differences between the current frame and the predicted frame for each channel are computed for each successive group of frames, and then compared, after each group of frames of each channel is encoded, to a threshold level E.sub.0. In the event that, for any of the groups of frames, the difference between the current frame and the predicted frame of any of the channels reaches the threshold, the method of the present system will insert an I-frame into the sequence of encoded frames, thus restarting the encoding process with an I-frame.
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: October 24, 2000
    Assignee: Physical Optics Corporation
    Inventors: Andrew A. Kostrzewski, Michael A. Piliavin