1. A compression method applied to a multi-view stereo imaging system, receiving a first, second, and third image captured at substantially the same time by a first, second, and third camera consecutively located, the method comprising:
estimating a disparity vector corresponding to a motion vector between the first and third image;
creating an intermediate image comprising an intermediate value of the estimated disparity vector;
creating a residual image created based on a difference between the intermediate image and the second image;
comparing the residual image to a threshold value; and
encoding and transmitting at least one of the first and third image, data regarding non-transmission of the residual image if the residual image is lower than the threshold value, and the residual image if the residual image is higher than the threshold value.
2. The method as claimed in claim 1, wherein the disparity vector is estimated over the first and third image by a block unit.
3. The method as claimed in claim 1, wherein the step of comparing the residual image with the threshold value calculates at least one of mean square error (MSE), sum of absolute difference (SAD), median absolute deviation (MAD), and peak signal-to noise-ratio (PSNR) based on a pixel value difference between the intermediate image and second image, and compares a calculation result with the threshold value.
4. A decompression method applied to a multi-view stereo imaging system, receiving a first, second, and third image is respectively captured by a first, second, and third camera consecutively located, the method comprising:
receiving compressed data for the first and third image, and decompressing the first and third image;
determining whether to receive a residual image created based on a difference between an intermediate image and the second image, wherein the intermediate image is created based on a disparity vector corresponding to a motion vector estimated based on the first and third image; and
decompressing the intermediate image as the second image by creating the intermediate image based on the decompressed first and third image when the residual image is received, and decompressing the second image by synthesizing the intermediate image and the transmitted residual image when the residual image is not received.
5. A compression and decompression method applied to a multi-view stereo imaging system, receiving a first, second, and third image is respectively captured at the same time by a first, second, and third camera consecutively located, the method comprising:
estimating a disparity vector corresponding to a motion vector between the first and third image;
creating an intermediate image comprising an intermediate value of the estimated disparity vector, a residual image based on a difference between the intermediate image and the second image, and comparing the residual image with a threshold value;
encoding and transmitting data regarding non-transmission of the residual image, when the residual image is lower than the threshold value, or the residual image, when the residual image is higher than the threshold value;
decompressing the transmitted first and third image, and determining whether to receive the residual image; and
decompressing the intermediate image as the second image by creating the intermediate image based on the decompressed first and third image, when the residual image is received, and decompressing the second image as the second image by synthesizing the intermediate image and the transmitted residual image when the residual image is not received.
6. A transmitter comprised in a multi-view stereo imaging system, receiving a first, second, and third image captured at the same time by a first, second, and third camera consecutively located, the system comprising:
an estimation unit for estimating a disparity vector corresponding to a motion vector between the first and third image;
an intermediate image creation unit for creating an intermediate image of the first and third image based on the estimated disparity vector;
a comparison unit for detecting a residual image created based on a difference between the intermediate image and second image, and determining whether to transmit the residual image by comparing the residual image with a threshold value; and
an encoding unit for encoding the first and third image, and for encoding one of the residual image or data regarding non-transmission of the residual image, depending on a comparison result of the residual image to the threshold value.
7. The transmitter as claimed in claim 6, wherein the comparison unit detects the residual image by calculating at least one of MSE, SAD, MAD, and PSNR, based on a pixel value difference between the intermediate image and the second image.
8. The transmitter as claimed in claim 6, wherein the encoding unit encodes data for the residual image, when the residual image is higher than the threshold value, and encodes data relating to non-transmission of the residual image, when the residual image is lower than the threshold value.
9. The transmitter as claimed in claim 6, wherein the estimation unit estimates by a block unit the disparity vector over the first and third image.
10. A receiver comprised in a multi-view stereo imaging system, for decompressing a first, second, and third image captured by cameras consecutively located, the system comprising:
a judgment unit for determining whether to receive a residual image created based on a difference between an intermediate image and second image, wherein the intermediate image being synthesized based on the first and third image;
an intermediate image synthesis unit for decompressing the first and third image, estimating a disparity vector corresponding to a motion vector between the first and third image, and creating an intermediate image of the first and third image based on the estimated disparity vector; and
a calculation unit for decompressing the intermediate image as the second image when the residual image is not received, and decompressing the second image by synthesizing the intermediate image and the transmitted residual image when the residual image is received.
11. A multi-view stereo imaging system receiving a first, second, and third image captured at the same time by a first, second, and third camera consecutively located, the system comprising:
an estimation unit for estimating a disparity vector corresponding to a motion vector between the first and third image;
an intermediate image creation unit for creating an intermediate image of the first and third image based on the estimated disparity vector;
a comparison unit for detecting a residual image created based on a difference between the intermediate image and the second image, and determining whether to transmit the residual image by comparing the residual image with a threshold value;
an encoding unit for encoding one of data for the residual image or data regarding non-transmission of the residual image, depending on a comparison result of the residual image to the threshold value;
a judgment unit for determining whether the residual image is received;
an intermediate image synthesis unit for synthesizing an intermediate image of the first and third image, based on the estimated disparity vector between the first and third image; and
a calculation unit for decompressing the intermediate image to the second image, when the residual image is not received, and decompressing the second image by synthesizing the intermediate image and the transmitted data for the residual image when the residual image is received.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A solder bump based microarray package, comprising:
a leadframe having a plurality of contact pads;
a die carried by the leadframe;
a plurality of bonding wires that electrically connect the die to the leadframe;
an encapsulant that encapsulates the die, the bonding wires and the leadframe while leaving said plurality of contact pads exposed and substantially co-planar with a bottom surface of the microarray package;
a pedestal member plated to one of said plurality of contact pads and protruding outwardly beyond the bottom surface of the microarray package by a first height, said pedestal member comprising a distal surface and sidewalls; and
a solder bump formed over the distal surface and the sidewalls of said pedestal member such that none of said pedestal member is exposed to the outside of the microarray package, wherein said first height is sufficient to shift a stress concentration point of its respective solder bump to contact pad interface axially from a first plane extending through the bottom surface of the microarray package to a second plane extending through said pedestal member.
2. The package of claim 1, wherein said pedestal member comprises a width that is greater than the width of its associated contact pad.
3. The package of claim 1, wherein said pedestal member comprises generally cylindrical sidewalls.
4. The package of claim 1, further comprising:
a plurality of pedestal members, each of said plurality of pedestal members plated to a respective contact pad and protruding outwardly beyond the bottom surface of the microarray package, each said pedestal member comprising a distal surface and generally cylindrical sidewalls, and each said pedestal member having a solder bump formed thereon.
5. The package of claim 1, wherein said first height is in the range of about 15 \u03bcm to about 35 \u03bcm.
6. The package of claim 5, wherein said first height is about 20 \u03bcm.
7. The package of claim 1, wherein said pedestal member is composed of substantially the same material as the contact pad to which it is plated.
8. The package of claim 7, wherein said pedestal member and contact pad are composed of copper.