Abstract: Disclosed herein are various methods of calibrating relative orientation between spatial orientation sensors, relative orientation between imaging sensor and spatial orientation sensor, and relative orientation between imaging sensors. The relative orientation of the spatial orientation sensors, imaging sensors is calculated with respect to a reference frame.

Abstract: Disclosed herein are methods for determining an angular offset between a visual axis of a person's eye and an optical axis of the eye, or an angular offset between a line of sight of the eye and the optical axis of the eye.

Abstract: Disclosed herein are various methods of calibrating relative orientation between imaging sensor and spatial orientation sensor, and relative orientation between imaging sensors.

Abstract: Disclosed herein are various methods of calibrating relative orientation between imaging sensor and spatial orientation sensor, and relative orientation between imaging sensors.

Abstract: Disclosed herein are various methods of calibrating relative orientation between spatial orientation sensors, relative orientation between imaging sensor and spatial orientation sensor, and relative orientation between imaging sensors. The relative orientation of the spatial orientation sensors, imaging sensors is calculated with respect to a reference frame.

Abstract: Disclosed herein are various methods of calibrating relative orientation between spatial orientation sensors, relative orientation between imaging sensor and spatial orientation sensor, and relative orientation between imaging sensors. The relative orientation of the spatial orientation sensors, imaging sensors is calculated with respect to a reference frame.

Abstract: Apparatus, systems and methods configured for eye tracking with slippage detection and correction are disclosed. In one example, a method comprises: obtaining a first image and a second image of a person's eye, with an imaging sensor; determining a position relationship between an eyeball center of the eye and the imaging sensor based on the first image and the second image.

Abstract: Method For Implementing A Quantizer In A Multimedia Compression And Encoding System is disclosed. In the Quantizer system of the present invention, several new quantization ideas are disclosed. In one embodiment, adjacent macroblocks are grouped together into macroblock groups. The macroblock groups are then assigned a common quantizer value. The common quantizer value may be selected based upon how the macroblocks are encoded, the type of macroblocks within the macroblock group (intra-blocks or inter-blocks), the history of the motion vectors associated with the macroblocks in the macroblock group, the residuals of the macroblocks in the macroblock group, and the energy of the macroblocks in the macroblock group. The quantizer value may be adjusted in a manner that is dependent on the current quantizer value. Specifically, if the quantizer value is at the low end of the quantizer scale, then only small adjustments are made.

Abstract: Apparatus, systems and methods configured for eye tracking with slippage detection and correction are disclosed. In one example, a method comprises: obtaining a first image and a second image of a person's eye, with an imaging sensor; determining a position relationship between an eyeball center of the eye and the imaging sensor based on the first image and the second image.

Abstract: Disclosed herein are various methods of calibrating relative orientation between imaging sensor and spatial orientation sensor, and relative orientation between imaging sensors.

Abstract: Apparatus, systems and methods configured for eye tracking with slippage detection and correction are disclosed. In one example, a method comprises: obtaining a first image and a second image of a person's eye, with an imaging sensor; determining a position relationship between an eyeball center of the eye and the imaging sensor based on the first image and the second image.

Abstract: Disclosed herein are various methods of calibrating relative orientation between spatial orientation sensors, relative orientation between imaging sensor and spatial orientation sensor, and relative orientation between imaging sensors. The relative orientation of the spatial orientation sensors, imaging sensors is calculated with respect to a reference frame.

Abstract: Apparatus, systems and methods configured for tracking head and eye movement are disclosed. In one example, an apparatus comprises an imaging sensor, a spatial orientation sensor and a computing device comprising a processor and a memory communicatively coupled with the processor. The imaging sensor is configured for capturing and recording images of an eye of a user when the user stares at a gaze point and rotates a head of the user about a first axis and about a second axis that is orthogonal to the first axis. The spatial orientation sensor is coupled to the imaging sensor such that the imaging sensor has a fixed position and a fixed orientation relative to the spatial orientation sensor and is configured for generating outputs during the rotations of the head of the user, wherein each of the outputs corresponds to one of the images of the eye.

Abstract: Method For Implementing A Quantizer In A Multimedia Compression And Encoding System is disclosed. In the Quantizer system of the present invention, several new quantization ideas are disclosed. In one embodiment, adjacent macroblocks are grouped together into macroblock groups. The macroblock groups are then assigned a common quantizer value. The common quantizer value may be selected based upon how the macroblocks are encoded, the type of macroblocks within the macroblock group (intra-blocks or inter-blocks), the history of the motion vectors associated with the macroblocks in the macroblock group, the residuals of the macroblocks in the macroblock group, and the energy of the macroblocks in the macroblock group. The quantizer value may be adjusted in a manner that is dependent on the current quantizer value. Specifically, if the quantizer value is at the low end of the quantizer scale, then only small adjustments are made.

Abstract: Apparatus, systems and methods configured for eye tracking with slippage detection and correction are disclosed. In one example, a method comprises: obtaining a first image and a second image of a person's eye, with an imaging sensor; determining a position relationship between an eyeball center of the eye and the imaging sensor based on the first image and the second image.

Abstract: Method For Implementing A Quantizer In A Multimedia Compression And Encoding System is disclosed. In the Quantizer system of the present invention, several new quantization ideas are disclosed. In one embodiment, adjacent macroblocks are grouped together into macroblock groups. The macroblock groups are then assigned a common quantizer value. The common quantizer value may be selected based upon how the macroblocks are encoded, the type of macroblocks within the macroblock group (intra-blocks or inter-blocks), the history of the motion vectors associated with the macroblocks in the macroblock group, the residuals of the macroblocks in the macroblock group, and the energy of the macroblocks in the macroblock group. The quantizer value may be adjusted in a manner that is dependent on the current quantizer value. Specifically, if the quantizer value is at the low end of the quantizer scale, then only small adjustments are made.

Abstract: Apparatus, systems and methods configured for tracking head and eye movement are disclosed. In one example, an apparatus comprises an imaging sensor, a spatial orientation sensor and a computing device comprising a processor and a memory communicatively coupled with the processor. The imaging sensor is configured for capturing and recording images of an eye of a user when the user stares at a gaze point and rotates a head of the user about a first axis and about a second axis that is orthogonal to the first axis. The spatial orientation sensor is coupled to the imaging sensor such that the imaging sensor has a fixed position and a fixed orientation relative to the spatial orientation sensor and is configured for generating outputs during the rotations of the head of the user, wherein each of the outputs corresponds to one of the images of the eye.

Abstract: Method For Implementing A Quantizer In A Multimedia Compression And Encoding System is disclosed. In the Quantizer system of the present invention, several new quantization ideas are disclosed. In one embodiment, adjacent macroblocks are grouped together into macroblock groups. The macroblock groups are then assigned a common quantizer value. The common quantizer value may be selected based upon how the macroblocks are encoded, the type of macroblocks within the macroblock group (intra-blocks or inter-blocks), the history of the motion vectors associated with the macroblocks in the macroblock group, the residuals of the macroblocks in the macroblock group, and the energy of the macroblocks in the macroblock group. The quantizer value may be adjusted in a manner that is dependent on the current quantizer value. Specifically, if the quantizer value is at the low end of the quantizer scale, then only small adjustments are made.

Abstract: Method For Implementing A Quantizer In A Multimedia Compression And Encoding System is disclosed. In the Quantizer system of the present invention, several new quantization ideas are disclosed. In one embodiment, adjacent macroblocks are grouped together into macroblock groups. The macroblock groups are then assigned a common quantizer value. The common quantizer value may be selected based upon how the macroblocks are encoded, the type of macroblocks within the macroblock group (intra-blocks or inter-blocks), the history of the motion vectors associated with the macroblocks in the macroblock group, the residuals of the macroblocks in the macroblock group, and the energy of the macroblocks in the macroblock group. The quantizer value may be adjusted in a manner that is dependent on the current quantizer value. Specifically, if the quantizer value is at the low end of the quantizer scale, then only small adjustments are made.

Abstract: Apparatus, systems and methods configured for tracking head and eye movement are disclosed. In one example, an apparatus comprises an imaging sensor, a spatial orientation sensor and a computing device comprising a processor and a memory communicatively coupled with the processor. The imaging sensor is configured for capturing and recording images of an eye of a user when the user stares at a gaze point and rotates a head of the user about a first axis and about a second axis that is orthogonal to the first axis. The spatial orientation sensor is coupled to the imaging sensor such that the imaging sensor has a fixed position and a fixed orientation relative to the spatial orientation sensor and is configured for generating outputs during the rotations of the head of the user, wherein each of the outputs corresponds to one of the images of the eye.