By Yi-Ping Hung (auth.), Domingo Mery, Luis Rueda (eds.)
These complaints are a manifestation of the superb scienti?c contributions offered on the moment IEEE Paci?c Rim Symposium on Video and photo expertise (PSIVT 2007), held in Santiago, Chile, in the course of December 17–19, 2007. The symposium supplied a discussion board for featuring and exploring the l- est examine and advancements in snapshot and video know-how. Discussing the probabilities and instructions in those ?elds settled a spot the place either educational study and commercial actions have been provided for mutual bene?t. the purpose of the symposium was once to advertise and disseminate ongoing examine on multi- dia and photo sensor applied sciences, snap shots and visualization, photograph research, a number of view imaging and processing, desktop imaginative and prescient functions, photograph and video coding, and multimedia processing. the amount is a recognition of the continued luck of the Paci?c Rim Symposium on Video and photo Te- nology for which the ?rst factor (PSIVT 2006) used to be final 12 months in Hsinchu, Taiwan, Republic of China. PSIVT 2007 offers facts of the transforming into stature of the Paci?c Rim s- enti?c neighborhood in video and photo expertise andof their impression all over the world. The symposium obtained contributions from 31 nations, registering a complete of one hundred fifty five papers, out of which seventy five have been permitted for booklet in those proce- ings, that's akin to an attractiveness expense of forty eight. 4%. The assessment strategy used to be performed in seven di?erent subject matters, each one composed of subject Co-chairs and a ProgramCommittee composed of across the world famous scientists, all specialists of their respective subject matter. every one paper used to be peer-reviewed by way of to ?ve reviewers.
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Additional info for Advances in Image and Video Technology: Second Pacific Rim Symposium, PSIVT 2007 Santiago, Chile, December 17-19, 2007 Proceedings
One or more frames that were already processed are used as reference frames. The current frame and the reference frame are divided in blocks to allow the motion estimation. The idea is to replace each block of the current frame with one block of the reference frame, reducing the temporal redundancy. The best similarity between each block of the current frame and the blocks of the reference frame is selected. This selection is done through a search algorithm and the similarity is defined through some distortion criterion .
After the interpolation, which generates four half-pixel samples, these results are sent to a transposition memory together with four non-interpolated samples. If just 1-D interpolation is needed, then the filter output is sent directly to the output memory. This process is repeated up to nine times to process all the 9x9 input block, completing the first 1-D filtering and filling the 8x9 samples transposition memory. After filling the transposition memory by shifting the lines vertically, the columns are shifted horizontally to the left side, sending the left column samples to the filter to be interpolated in the second dimension.
This DSP achieves high performance and low power consumption through increased parallelism and total focus on reduction in power dissipation. This DSP has an operating frequency of 200 MHZ . The EMIF unit of DSP offers configurable timing parameters so that it can be used as an interface to a variety of asynchronous memory types, including flash memory, SRAM, and EPROM . The FPGA here acts like a SRAM. The DSP reads the video data using EMIF unit and then applies nonuniformity correction coefficients to the data read and corrects them.